/ext-4.1.0_b3/builds/ext-core-debug-w-comments.js

/*
This file is part of Ext JS 4.1

Copyright (c) 2011-2012 Sencha Inc

Contact:  http://www.sencha.com/contact

Pre-release code in the Ext repository is intended for development purposes only and will
not always be stable. 

Use of pre-release code is permitted with your application at your own risk under standard
Ext license terms. Public redistribution is prohibited.

For early licensing, please contact us at licensing@sencha.com

Build date: 2012-02-21 23:18:31 (3a639ae9dd5443bffbde7bec9922e6fb07a923a8)
*/
/**
 * @class Ext
 * @singleton
 */
var Ext = Ext || {};
Ext._startTime = new Date().getTime();
(function() {
    var global = this,
        objectPrototype = Object.prototype,
        toString = objectPrototype.toString,
        enumerables = true,
        enumerablesTest = { toString: 1 },
        emptyFn = function(){},
        i;

    Ext.global = global;

    for (i in enumerablesTest) {
        enumerables = null;
    }

    if (enumerables) {
        enumerables = ['hasOwnProperty', 'valueOf', 'isPrototypeOf', 'propertyIsEnumerable',
                       'toLocaleString', 'toString', 'constructor'];
    }

    /**
     * An array containing extra enumerables for old browsers
     * @property {String[]}
     */
    Ext.enumerables = enumerables;

    /**
     * Copies all the properties of config to the specified object.
     * Note that if recursive merging and cloning without referencing the original objects / arrays is needed, use
     * {@link Ext.Object#merge} instead.
     * @param {Object} object The receiver of the properties
     * @param {Object} config The source of the properties
     * @param {Object} defaults A different object that will also be applied for default values
     * @return {Object} returns obj
     */
    Ext.apply = function(object, config, defaults) {
        if (defaults) {
            Ext.apply(object, defaults);
        }

        if (object && config && typeof config === 'object') {
            var i, j, k;

            for (i in config) {
                object[i] = config[i];
            }

            if (enumerables) {
                for (j = enumerables.length; j--;) {
                    k = enumerables[j];
                    if (config.hasOwnProperty(k)) {
                        object[k] = config[k];
                    }
                }
            }
        }

        return object;
    };

    Ext.buildSettings = Ext.apply({
        baseCSSPrefix: 'x-',
        scopeResetCSS: false
    }, Ext.buildSettings || {});

    Ext.apply(Ext, {

        /**
         * @property {String} [name='Ext']
         * <p>The name of the property in the global namespace (The <code>window</code> in browser environments) which refers to the current instance of Ext.</p>
         * <p>This is usually <code>"Ext"</code>, but if a sandboxed build of ExtJS is being used, this will be an alternative name.</p>
         * <p>If code is being generated for use by <code>eval</code> or to create a <code>new Function</code>, and the global instance
         * of Ext must be referenced, this is the name that should be built into the code.</p>
         */
        name: Ext.sandboxName || 'Ext',

        /**
         * A reusable empty function
         */
        emptyFn: emptyFn,

        /**
         * A zero length string which will pass a truth test. Useful for passing to methods
         * which use a truth test to reject <i>falsy</i> values where a string value must be cleared.
         */
        emptyString: new String(),

        baseCSSPrefix: Ext.buildSettings.baseCSSPrefix,

        /**
         * Copies all the properties of config to object if they don't already exist.
         * @param {Object} object The receiver of the properties
         * @param {Object} config The source of the properties
         * @return {Object} returns obj
         */
        applyIf: function(object, config) {
            var property;

            if (object) {
                for (property in config) {
                    if (object[property] === undefined) {
                        object[property] = config[property];
                    }
                }
            }

            return object;
        },

        /**
         * Iterates either an array or an object. This method delegates to
         * {@link Ext.Array#each Ext.Array.each} if the given value is iterable, and {@link Ext.Object#each Ext.Object.each} otherwise.
         *
         * @param {Object/Array} object The object or array to be iterated.
         * @param {Function} fn The function to be called for each iteration. See and {@link Ext.Array#each Ext.Array.each} and
         * {@link Ext.Object#each Ext.Object.each} for detailed lists of arguments passed to this function depending on the given object
         * type that is being iterated.
         * @param {Object} scope (Optional) The scope (`this` reference) in which the specified function is executed.
         * Defaults to the object being iterated itself.
         * @markdown
         */
        iterate: function(object, fn, scope) {
            if (Ext.isEmpty(object)) {
                return;
            }

            if (scope === undefined) {
                scope = object;
            }

            if (Ext.isIterable(object)) {
                Ext.Array.each.call(Ext.Array, object, fn, scope);
            }
            else {
                Ext.Object.each.call(Ext.Object, object, fn, scope);
            }
        }
    });

    Ext.apply(Ext, {

        /**
         * This method deprecated. Use {@link Ext#define Ext.define} instead.
         * @method
         * @param {Function} superclass
         * @param {Object} overrides
         * @return {Function} The subclass constructor from the <tt>overrides</tt> parameter, or a generated one if not provided.
         * @deprecated 4.0.0 Use {@link Ext#define Ext.define} instead
         */
        extend: function() {
            // inline overrides
            var objectConstructor = objectPrototype.constructor,
                inlineOverrides = function(o) {
                for (var m in o) {
                    if (!o.hasOwnProperty(m)) {
                        continue;
                    }
                    this[m] = o[m];
                }
            };

            return function(subclass, superclass, overrides) {
                // First we check if the user passed in just the superClass with overrides
                if (Ext.isObject(superclass)) {
                    overrides = superclass;
                    superclass = subclass;
                    subclass = overrides.constructor !== objectConstructor ? overrides.constructor : function() {
                        superclass.apply(this, arguments);
                    };
                }


                // We create a new temporary class
                var F = function() {},
                    subclassProto, superclassProto = superclass.prototype;

                F.prototype = superclassProto;
                subclassProto = subclass.prototype = new F();
                subclassProto.constructor = subclass;
                subclass.superclass = superclassProto;

                if (superclassProto.constructor === objectConstructor) {
                    superclassProto.constructor = superclass;
                }

                subclass.override = function(overrides) {
                    Ext.override(subclass, overrides);
                };

                subclassProto.override = inlineOverrides;
                subclassProto.proto = subclassProto;

                subclass.override(overrides);
                subclass.extend = function(o) {
                    return Ext.extend(subclass, o);
                };

                return subclass;
            };
        }(),

        /**
         * Proxy to {@link Ext.Base#override}. Please refer {@link Ext.Base#override} for further details.
         *
         * @param {Object} cls The class to override
         * @param {Object} overrides The properties to add to origClass. This should be specified as an object literal
         * containing one or more properties.
         * @method override
         * @markdown
         * @deprecated 4.1.0 Use {@link Ext#define Ext.define} instead
         */
        override: function(cls, overrides) {
            if (cls.$isClass) {
                return cls.override(overrides);
            }
            else {
                Ext.apply(cls.prototype, overrides);
            }
        }
    });

    // A full set of static methods to do type checking
    Ext.apply(Ext, {

        /**
         * Returns the given value itself if it's not empty, as described in {@link Ext#isEmpty}; returns the default
         * value (second argument) otherwise.
         *
         * @param {Object} value The value to test
         * @param {Object} defaultValue The value to return if the original value is empty
         * @param {Boolean} allowBlank (optional) true to allow zero length strings to qualify as non-empty (defaults to false)
         * @return {Object} value, if non-empty, else defaultValue
         */
        valueFrom: function(value, defaultValue, allowBlank){
            return Ext.isEmpty(value, allowBlank) ? defaultValue : value;
        },

        /**
         * Returns the type of the given variable in string format. List of possible values are:
         *
         * - `undefined`: If the given value is `undefined`
         * - `null`: If the given value is `null`
         * - `string`: If the given value is a string
         * - `number`: If the given value is a number
         * - `boolean`: If the given value is a boolean value
         * - `date`: If the given value is a `Date` object
         * - `function`: If the given value is a function reference
         * - `object`: If the given value is an object
         * - `array`: If the given value is an array
         * - `regexp`: If the given value is a regular expression
         * - `element`: If the given value is a DOM Element
         * - `textnode`: If the given value is a DOM text node and contains something other than whitespace
         * - `whitespace`: If the given value is a DOM text node and contains only whitespace
         *
         * @param {Object} value
         * @return {String}
         * @markdown
         */
        typeOf: function(value) {
            if (value === null) {
                return 'null';
            }

            var type = typeof value;

            if (type === 'undefined' || type === 'string' || type === 'number' || type === 'boolean') {
                return type;
            }

            var typeToString = toString.call(value);

            switch(typeToString) {
                case '[object Array]':
                    return 'array';
                case '[object Date]':
                    return 'date';
                case '[object Boolean]':
                    return 'boolean';
                case '[object Number]':
                    return 'number';
                case '[object RegExp]':
                    return 'regexp';
            }

            if (type === 'function') {
                return 'function';
            }

            if (type === 'object') {
                if (value.nodeType !== undefined) {
                    if (value.nodeType === 3) {
                        return (/\S/).test(value.nodeValue) ? 'textnode' : 'whitespace';
                    }
                    else {
                        return 'element';
                    }
                }

                return 'object';
            }

        },

        /**
         * Returns true if the passed value is empty, false otherwise. The value is deemed to be empty if it is either:
         *
         * - `null`
         * - `undefined`
         * - a zero-length array
         * - a zero-length string (Unless the `allowEmptyString` parameter is set to `true`)
         *
         * @param {Object} value The value to test
         * @param {Boolean} allowEmptyString (optional) true to allow empty strings (defaults to false)
         * @return {Boolean}
         * @markdown
         */
        isEmpty: function(value, allowEmptyString) {
            return (value === null) || (value === undefined) || (!allowEmptyString ? value === '' : false) || (Ext.isArray(value) && value.length === 0);
        },

        /**
         * Returns true if the passed value is a JavaScript Array, false otherwise.
         *
         * @param {Object} target The target to test
         * @return {Boolean}
         * @method
         */
        isArray: ('isArray' in Array) ? Array.isArray : function(value) {
            return toString.call(value) === '[object Array]';
        },

        /**
         * Returns true if the passed value is a JavaScript Date object, false otherwise.
         * @param {Object} object The object to test
         * @return {Boolean}
         */
        isDate: function(value) {
            return toString.call(value) === '[object Date]';
        },

        /**
         * Returns true if the passed value is a JavaScript Object, false otherwise.
         * @param {Object} value The value to test
         * @return {Boolean}
         * @method
         */
        isObject: (toString.call(null) === '[object Object]') ?
        function(value) {
            // check ownerDocument here as well to exclude DOM nodes
            return value !== null && value !== undefined && toString.call(value) === '[object Object]' && value.ownerDocument === undefined;
        } :
        function(value) {
            return toString.call(value) === '[object Object]';
        },

        /**
         * @private
         */
        isSimpleObject: function(value) {
            return value instanceof Object && value.constructor === Object;
        },
        /**
         * Returns true if the passed value is a JavaScript 'primitive', a string, number or boolean.
         * @param {Object} value The value to test
         * @return {Boolean}
         */
        isPrimitive: function(value) {
            var type = typeof value;

            return type === 'string' || type === 'number' || type === 'boolean';
        },

        /**
         * Returns true if the passed value is a JavaScript Function, false otherwise.
         * @param {Object} value The value to test
         * @return {Boolean}
         * @method
         */
        isFunction:
        // Safari 3.x and 4.x returns 'function' for typeof <NodeList>, hence we need to fall back to using
        // Object.prototype.toString (slower)
        (typeof document !== 'undefined' && typeof document.getElementsByTagName('body') === 'function') ? function(value) {
            return toString.call(value) === '[object Function]';
        } : function(value) {
            return typeof value === 'function';
        },

        /**
         * Returns true if the passed value is a number. Returns false for non-finite numbers.
         * @param {Object} value The value to test
         * @return {Boolean}
         */
        isNumber: function(value) {
            return typeof value === 'number' && isFinite(value);
        },

        /**
         * Validates that a value is numeric.
         * @param {Object} value Examples: 1, '1', '2.34'
         * @return {Boolean} True if numeric, false otherwise
         */
        isNumeric: function(value) {
            return !isNaN(parseFloat(value)) && isFinite(value);
        },

        /**
         * Returns true if the passed value is a string.
         * @param {Object} value The value to test
         * @return {Boolean}
         */
        isString: function(value) {
            return typeof value === 'string';
        },

        /**
         * Returns true if the passed value is a boolean.
         *
         * @param {Object} value The value to test
         * @return {Boolean}
         */
        isBoolean: function(value) {
            return typeof value === 'boolean';
        },

        /**
         * Returns true if the passed value is an HTMLElement
         * @param {Object} value The value to test
         * @return {Boolean}
         */
        isElement: function(value) {
            return value ? value.nodeType === 1 : false;
        },

        /**
         * Returns true if the passed value is a TextNode
         * @param {Object} value The value to test
         * @return {Boolean}
         */
        isTextNode: function(value) {
            return value ? value.nodeName === "#text" : false;
        },

        /**
         * Returns true if the passed value is defined.
         * @param {Object} value The value to test
         * @return {Boolean}
         */
        isDefined: function(value) {
            return typeof value !== 'undefined';
        },

        /**
         * Returns true if the passed value is iterable, false otherwise
         * @param {Object} value The value to test
         * @return {Boolean}
         */
        isIterable: function(value) {
            var type = typeof value,
                checkLength = false;
            if (value && type != 'string') {
                // Functions have a length property, so we need to filter them out
                if (type == 'function') {
                    // In Safari, NodeList/HTMLCollection both return "function" when using typeof, so we need
                    // to explicitly check them here.
                    if (Ext.isSafari) {
                        checkLength = value instanceof NodeList || value instanceof HTMLCollection;
                    }
                } else {
                    checkLength = true;
                }
            }
            return checkLength ? value.length !== undefined : false;
        }
    });

    Ext.apply(Ext, {

        /**
         * Clone almost any type of variable including array, object, DOM nodes and Date without keeping the old reference
         * @param {Object} item The variable to clone
         * @return {Object} clone
         */
        clone: function(item) {
            if (item === null || item === undefined) {
                return item;
            }

            // DOM nodes
            // TODO proxy this to Ext.Element.clone to handle automatic id attribute changing
            // recursively
            if (item.nodeType && item.cloneNode) {
                return item.cloneNode(true);
            }

            var type = toString.call(item);

            // Date
            if (type === '[object Date]') {
                return new Date(item.getTime());
            }

            var i, j, k, clone, key;

            // Array
            if (type === '[object Array]') {
                i = item.length;

                clone = [];

                while (i--) {
                    clone[i] = Ext.clone(item[i]);
                }
            }
            // Object
            else if (type === '[object Object]' && item.constructor === Object) {
                clone = {};

                for (key in item) {
                    clone[key] = Ext.clone(item[key]);
                }

                if (enumerables) {
                    for (j = enumerables.length; j--;) {
                        k = enumerables[j];
                        clone[k] = item[k];
                    }
                }
            }

            return clone || item;
        },

        /**
         * @private
         * Generate a unique reference of Ext in the global scope, useful for sandboxing
         */
        getUniqueGlobalNamespace: function() {
            var uniqueGlobalNamespace = this.uniqueGlobalNamespace;

            if (uniqueGlobalNamespace === undefined) {
                var i = 0;

                do {
                    uniqueGlobalNamespace = 'ExtBox' + (++i);
                } while (Ext.global[uniqueGlobalNamespace] !== undefined);

                Ext.global[uniqueGlobalNamespace] = Ext;
                this.uniqueGlobalNamespace = uniqueGlobalNamespace;
            }

            return uniqueGlobalNamespace;
        },
        
        /**
         * @private
         */
        functionFactoryCache: {},
        
        cacheableFunctionFactory: function() {
            var me = this,
                args = Array.prototype.slice.call(arguments),
                cache = me.functionFactoryCache,
                idx, fn, ln;
                
             if (Ext.isSandboxed) {
                ln = args.length;
                if (ln > 0) {
                    ln--;
                    args[ln] = 'var Ext=window.' + Ext.name + ';' + args[ln];
                }
            }
            idx = args.join('');
            fn = cache[idx];
            if (!fn) {
                fn = Function.prototype.constructor.apply(Function.prototype, args);
                
                cache[idx] = fn;
            }
            return fn;
        },
        
        functionFactory: function() {
            var me = this,
                args = Array.prototype.slice.call(arguments),
                ln;
                
            if (Ext.isSandboxed) {
                ln = args.length;
                if (ln > 0) {
                    ln--;
                    args[ln] = 'var Ext=window.' + Ext.name + ';' + args[ln];
                }
            }
     
            return Function.prototype.constructor.apply(Function.prototype, args);
        },

        /**
         * @property
         * @private
         */
        globalEval: ('execScript' in global) ? function(code) {
            global.execScript(code)
        } : function(code) {
            (function(){
                eval(code);
            })();
        },

        /**
         * @private
         * @property
         */
        Logger: {
            verbose: emptyFn,
            log: emptyFn,
            info: emptyFn,
            warn: emptyFn,
            error: function(message) {
                throw new Error(message);
            },
            deprecate: emptyFn
        }
    });

    /**
     * Old alias to {@link Ext#typeOf}
     * @deprecated 4.0.0 Use {@link Ext#typeOf} instead
     * @method
     * @inheritdoc Ext#typeOf
     */
    Ext.type = Ext.typeOf;

})();

/**
 * @author Jacky Nguyen <jacky@sencha.com>
 * @docauthor Jacky Nguyen <jacky@sencha.com>
 * @class Ext.Version
 *
 * A utility class that wrap around a string version number and provide convenient
 * method to perform comparison. See also: {@link Ext.Version#compare compare}. Example:

    var version = new Ext.Version('1.0.2beta');
    console.log("Version is " + version); // Version is 1.0.2beta

    console.log(version.getMajor()); // 1
    console.log(version.getMinor()); // 0
    console.log(version.getPatch()); // 2
    console.log(version.getBuild()); // 0
    console.log(version.getRelease()); // beta

    console.log(version.isGreaterThan('1.0.1')); // True
    console.log(version.isGreaterThan('1.0.2alpha')); // True
    console.log(version.isGreaterThan('1.0.2RC')); // False
    console.log(version.isGreaterThan('1.0.2')); // False
    console.log(version.isLessThan('1.0.2')); // True

    console.log(version.match(1.0)); // True
    console.log(version.match('1.0.2')); // True

 * @markdown
 */
(function() {

// Current core version
var version = '4.1.0beta', Version;
    Ext.Version = Version = Ext.extend(Object, {

        /**
         * @param {String/Number} version The version number in the follow standard format: major[.minor[.patch[.build[release]]]]
         * Examples: 1.0 or 1.2.3beta or 1.2.3.4RC
         * @return {Ext.Version} this
         */
        constructor: function(version) {
            var parts, releaseStartIndex;

            if (version instanceof Version) {
                return version;
            }

            this.version = this.shortVersion = String(version).toLowerCase().replace(/_/g, '.').replace(/[\-+]/g, '');

            releaseStartIndex = this.version.search(/([^\d\.])/);

            if (releaseStartIndex !== -1) {
                this.release = this.version.substr(releaseStartIndex, version.length);
                this.shortVersion = this.version.substr(0, releaseStartIndex);
            }

            this.shortVersion = this.shortVersion.replace(/[^\d]/g, '');

            parts = this.version.split('.');

            this.major = parseInt(parts.shift() || 0, 10);
            this.minor = parseInt(parts.shift() || 0, 10);
            this.patch = parseInt(parts.shift() || 0, 10);
            this.build = parseInt(parts.shift() || 0, 10);

            return this;
        },

        /**
         * Override the native toString method
         * @private
         * @return {String} version
         */
        toString: function() {
            return this.version;
        },

        /**
         * Override the native valueOf method
         * @private
         * @return {String} version
         */
        valueOf: function() {
            return this.version;
        },

        /**
         * Returns the major component value
         * @return {Number} major
         */
        getMajor: function() {
            return this.major || 0;
        },

        /**
         * Returns the minor component value
         * @return {Number} minor
         */
        getMinor: function() {
            return this.minor || 0;
        },

        /**
         * Returns the patch component value
         * @return {Number} patch
         */
        getPatch: function() {
            return this.patch || 0;
        },

        /**
         * Returns the build component value
         * @return {Number} build
         */
        getBuild: function() {
            return this.build || 0;
        },

        /**
         * Returns the release component value
         * @return {Number} release
         */
        getRelease: function() {
            return this.release || '';
        },

        /**
         * Returns whether this version if greater than the supplied argument
         * @param {String/Number} target The version to compare with
         * @return {Boolean} True if this version if greater than the target, false otherwise
         */
        isGreaterThan: function(target) {
            return Version.compare(this.version, target) === 1;
        },

        /**
         * Returns whether this version if greater than or equal to the supplied argument
         * @param {String/Number} target The version to compare with
         * @return {Boolean} True if this version if greater than or equal to the target, false otherwise
         */
        isGreaterThanOrEqual: function(target) {
            return Version.compare(this.version, target) >= 0;
        },

        /**
         * Returns whether this version if smaller than the supplied argument
         * @param {String/Number} target The version to compare with
         * @return {Boolean} True if this version if smaller than the target, false otherwise
         */
        isLessThan: function(target) {
            return Version.compare(this.version, target) === -1;
        },

        /**
         * Returns whether this version if less than or equal to the supplied argument
         * @param {String/Number} target The version to compare with
         * @return {Boolean} True if this version if less than or equal to the target, false otherwise
         */
        isLessThanOrEqual: function(target) {
            return Version.compare(this.version, target) <= 0;
        },

        /**
         * Returns whether this version equals to the supplied argument
         * @param {String/Number} target The version to compare with
         * @return {Boolean} True if this version equals to the target, false otherwise
         */
        equals: function(target) {
            return Version.compare(this.version, target) === 0;
        },

        /**
         * Returns whether this version matches the supplied argument. Example:
         * <pre><code>
         * var version = new Ext.Version('1.0.2beta');
         * console.log(version.match(1)); // True
         * console.log(version.match(1.0)); // True
         * console.log(version.match('1.0.2')); // True
         * console.log(version.match('1.0.2RC')); // False
         * </code></pre>
         * @param {String/Number} target The version to compare with
         * @return {Boolean} True if this version matches the target, false otherwise
         */
        match: function(target) {
            target = String(target);
            return this.version.substr(0, target.length) === target;
        },

        /**
         * Returns this format: [major, minor, patch, build, release]. Useful for comparison
         * @return {Number[]}
         */
        toArray: function() {
            return [this.getMajor(), this.getMinor(), this.getPatch(), this.getBuild(), this.getRelease()];
        },

        /**
         * Returns shortVersion version without dots and release
         * @return {String}
         */
        getShortVersion: function() {
            return this.shortVersion;
        },

        /**
         * Convenient alias to {@link Ext.Version#isGreaterThan isGreaterThan}
         * @param {String/Number} target
         * @return {Boolean}
         */
        gt: function() {
            return this.isGreaterThan.apply(this, arguments);
        },

        /**
         * Convenient alias to {@link Ext.Version#isLessThan isLessThan}
         * @param {String/Number} target
         * @return {Boolean}
         */
        lt: function() {
            return this.isLessThan.apply(this, arguments);
        },

        /**
         * Convenient alias to {@link Ext.Version#isGreaterThanOrEqual isGreaterThanOrEqual}
         * @param {String/Number} target
         * @return {Boolean}
         */
        gtEq: function() {
            return this.isGreaterThanOrEqual.apply(this, arguments);
        },

        /**
         * Convenient alias to {@link Ext.Version#isLessThanOrEqual isLessThanOrEqual}
         * @param {String/Number} target
         * @return {Boolean}
         */
        ltEq: function() {
            return this.isLessThanOrEqual.apply(this, arguments);
        }
    });

    Ext.apply(Version, {
        // @private
        releaseValueMap: {
            'dev': -6,
            'alpha': -5,
            'a': -5,
            'beta': -4,
            'b': -4,
            'rc': -3,
            '#': -2,
            'p': -1,
            'pl': -1
        },

        /**
         * Converts a version component to a comparable value
         *
         * @static
         * @param {Object} value The value to convert
         * @return {Object}
         */
        getComponentValue: function(value) {
            return !value ? 0 : (isNaN(value) ? this.releaseValueMap[value] || value : parseInt(value, 10));
        },

        /**
         * Compare 2 specified versions, starting from left to right. If a part contains special version strings,
         * they are handled in the following order:
         * 'dev' < 'alpha' = 'a' < 'beta' = 'b' < 'RC' = 'rc' < '#' < 'pl' = 'p' < 'anything else'
         *
         * @static
         * @param {String} current The current version to compare to
         * @param {String} target The target version to compare to
         * @return {Number} Returns -1 if the current version is smaller than the target version, 1 if greater, and 0 if they're equivalent
         */
        compare: function(current, target) {
            var currentValue, targetValue, i;

            current = new Version(current).toArray();
            target = new Version(target).toArray();

            for (i = 0; i < Math.max(current.length, target.length); i++) {
                currentValue = this.getComponentValue(current[i]);
                targetValue = this.getComponentValue(target[i]);

                if (currentValue < targetValue) {
                    return -1;
                } else if (currentValue > targetValue) {
                    return 1;
                }
            }

            return 0;
        }
    });

    Ext.apply(Ext, {
        /**
         * @private
         */
        versions: {},

        /**
         * @private
         */
        lastRegisteredVersion: null,

        /**
         * Set version number for the given package name.
         *
         * @param {String} packageName The package name, for example: 'core', 'touch', 'extjs'
         * @param {String/Ext.Version} version The version, for example: '1.2.3alpha', '2.4.0-dev'
         * @return {Ext}
         */
        setVersion: function(packageName, version) {
            Ext.versions[packageName] = new Version(version);
            Ext.lastRegisteredVersion = Ext.versions[packageName];

            return this;
        },

        /**
         * Get the version number of the supplied package name; will return the last registered version
         * (last Ext.setVersion call) if there's no package name given.
         *
         * @param {String} packageName (Optional) The package name, for example: 'core', 'touch', 'extjs'
         * @return {Ext.Version} The version
         */
        getVersion: function(packageName) {
            if (packageName === undefined) {
                return Ext.lastRegisteredVersion;
            }

            return Ext.versions[packageName];
        },

        /**
         * Create a closure for deprecated code.
         *
    // This means Ext.oldMethod is only supported in 4.0.0beta and older.
    // If Ext.getVersion('extjs') returns a version that is later than '4.0.0beta', for example '4.0.0RC',
    // the closure will not be invoked
    Ext.deprecate('extjs', '4.0.0beta', function() {
        Ext.oldMethod = Ext.newMethod;

        ...
    });

         * @param {String} packageName The package name
         * @param {String} since The last version before it's deprecated
         * @param {Function} closure The callback function to be executed with the specified version is less than the current version
         * @param {Object} scope The execution scope (<tt>this</tt>) if the closure
         * @markdown
         */
        deprecate: function(packageName, since, closure, scope) {
            if (Version.compare(Ext.getVersion(packageName), since) < 1) {
                closure.call(scope);
            }
        }
    }); // End Versioning

    Ext.setVersion('core', version);

})();

/**
 * @class Ext.String
 *
 * A collection of useful static methods to deal with strings
 * @singleton
 */

Ext.String = (function() {
    var trimRegex     = /^[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u2028\u2029\u202f\u205f\u3000]+|[\x09\x0a\x0b\x0c\x0d\x20\xa0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u2028\u2029\u202f\u205f\u3000]+$/g,
        escapeRe      = /('|\\)/g,
        formatRe      = /\{(\d+)\}/g,
        escapeRegexRe = /([-.*+?^${}()|[\]\/\\])/g,
        basicTrimRe   = /^\s+|\s+$/g,
        whitespaceRe  = /\s+/,
        varReplace    = /(^[^a-z]*|[^\w])/gi,
        charToEntity  = {
            '&': '&amp;',
            '>': '&gt;',
            '<': '&lt;',
            '"': '&quot;'
        },
        entityToChar  = {
            '&amp;': '&',
            '&gt;': '>',
            '&lt;': '<',
            '&quot;': '"'
        },
        keys = [],
        key,
        charToEntityRegex,
        entityToCharRegex,
        htmlEncodeReplaceFn = function(match, capture) {
            return charToEntity[capture];
        },
        htmlEncode = function(value) {
            return (!value) ? value : String(value).replace(charToEntityRegex, htmlEncodeReplaceFn);
        },
        htmlDecodeReplaceFn = function(match, capture) {
            return (capture in entityToChar) ? entityToChar[capture] : String.fromCharCode(parseInt(capture.substr(2), 10));
        },
        htmlDecode = function(value) {
            return (!value) ? value : String(value).replace(entityToCharRegex, htmlDecodeReplaceFn);
        };

        // Compile RexExps for HTML encode and decode functions
        for (key in charToEntity) {
            keys.push(key);
        }
        charToEntityRegex = new RegExp('(' + keys.join('|') + ')', 'g');

        keys = [];
        for (key in entityToChar) {
            keys.push(key);
        }
        entityToCharRegex = new RegExp('(' + keys.join('|') + '|&#[0-9]{1,5};' + ')', 'g');

    return {

        /**
         * Converts a string of characters into a legal, parseable Javascript `var` name as long as the passed
         * string contains at least one alphabetic character. Non alphanumeric characters, and *leading* non alphabetic
         * characters will be removed.
         * @param {String} s A string to be converted into a `var` name.
         * @return {String} A legal Javascript `var` name.
         */
        createVarName: function(s) {
            return s.replace(varReplace, '');
        },

        /**
         * Convert certain characters (&, <, >, and ") to their HTML character equivalents for literal display in web pages.
         * @param {String} value The string to encode
         * @return {String} The encoded text
         * @method
         */
        htmlEncode: htmlEncode,

        /**
         * Convert certain characters (&, <, >, and ") from their HTML character equivalents.
         * @param {String} value The string to decode
         * @return {String} The decoded text
         * @method
         */
        htmlDecode: htmlDecode,

        /**
         * Appends content to the query string of a URL, handling logic for whether to place
         * a question mark or ampersand.
         * @param {String} url The URL to append to.
         * @param {String} string The content to append to the URL.
         * @return {String} The resulting URL
         */
        urlAppend : function(url, string) {
            if (!Ext.isEmpty(string)) {
                return url + (url.indexOf('?') === -1 ? '?' : '&') + string;
            }

            return url;
        },

        /**
         * Trims whitespace from either end of a string, leaving spaces within the string intact.  Example:
         * @example
    var s = '  foo bar  ';
    alert('-' + s + '-');         //alerts "- foo bar -"
    alert('-' + Ext.String.trim(s) + '-');  //alerts "-foo bar-"

         * @param {String} string The string to escape
         * @return {String} The trimmed string
         */
        trim: function(string) {
            return string.replace(trimRegex, "");
        },

        /**
         * Capitalize the given string
         * @param {String} string
         * @return {String}
         */
        capitalize: function(string) {
            return string.charAt(0).toUpperCase() + string.substr(1);
        },

        /**
         * Uncapitalize the given string
         * @param {String} string
         * @return {String}
         */
        uncapitalize: function(string) {
            return string.charAt(0).toLowerCase() + string.substr(1);
        },

        /**
         * Truncate a string and add an ellipsis ('...') to the end if it exceeds the specified length
         * @param {String} value The string to truncate
         * @param {Number} length The maximum length to allow before truncating
         * @param {Boolean} word True to try to find a common word break
         * @return {String} The converted text
         */
        ellipsis: function(value, len, word) {
            if (value && value.length > len) {
                if (word) {
                    var vs = value.substr(0, len - 2),
                    index = Math.max(vs.lastIndexOf(' '), vs.lastIndexOf('.'), vs.lastIndexOf('!'), vs.lastIndexOf('?'));
                    if (index !== -1 && index >= (len - 15)) {
                        return vs.substr(0, index) + "...";
                    }
                }
                return value.substr(0, len - 3) + "...";
            }
            return value;
        },

        /**
         * Escapes the passed string for use in a regular expression
         * @param {String} string
         * @return {String}
         */
        escapeRegex: function(string) {
            return string.replace(escapeRegexRe, "\\$1");
        },

        /**
         * Escapes the passed string for ' and \
         * @param {String} string The string to escape
         * @return {String} The escaped string
         */
        escape: function(string) {
            return string.replace(escapeRe, "\\$1");
        },

        /**
         * Utility function that allows you to easily switch a string between two alternating values.  The passed value
         * is compared to the current string, and if they are equal, the other value that was passed in is returned.  If
         * they are already different, the first value passed in is returned.  Note that this method returns the new value
         * but does not change the current string.
         * <pre><code>
        // alternate sort directions
        sort = Ext.String.toggle(sort, 'ASC', 'DESC');

        // instead of conditional logic:
        sort = (sort == 'ASC' ? 'DESC' : 'ASC');
           </code></pre>
         * @param {String} string The current string
         * @param {String} value The value to compare to the current string
         * @param {String} other The new value to use if the string already equals the first value passed in
         * @return {String} The new value
         */
        toggle: function(string, value, other) {
            return string === value ? other : value;
        },

        /**
         * Pads the left side of a string with a specified character.  This is especially useful
         * for normalizing number and date strings.  Example usage:
         *
         * <pre><code>
    var s = Ext.String.leftPad('123', 5, '0');
    // s now contains the string: '00123'
           </code></pre>
         * @param {String} string The original string
         * @param {Number} size The total length of the output string
         * @param {String} character (optional) The character with which to pad the original string (defaults to empty string " ")
         * @return {String} The padded string
         */
        leftPad: function(string, size, character) {
            var result = String(string);
            character = character || " ";
            while (result.length < size) {
                result = character + result;
            }
            return result;
        },

        /**
         * Allows you to define a tokenized string and pass an arbitrary number of arguments to replace the tokens.  Each
         * token must be unique, and must increment in the format {0}, {1}, etc.  Example usage:
         * <pre><code>
    var cls = 'my-class', text = 'Some text';
    var s = Ext.String.format('&lt;div class="{0}">{1}&lt;/div>', cls, text);
    // s now contains the string: '&lt;div class="my-class">Some text&lt;/div>'
           </code></pre>
         * @param {String} string The tokenized string to be formatted
         * @param {String} value1 The value to replace token {0}
         * @param {String} value2 Etc...
         * @return {String} The formatted string
         */
        format: function(format) {
            var args = Ext.Array.toArray(arguments, 1);
            return format.replace(formatRe, function(m, i) {
                return args[i];
            });
        },

        /**
         * Returns a string with a specified number of repititions a given string pattern.
         * The pattern be separated by a different string.
         *
         *      var s = Ext.String.repeat('---', 4); // = '------------'
         *      var t = Ext.String.repeat('--', 3, '/'); // = '--/--/--'
         *
         * @param {String} pattern The pattern to repeat.
         * @param {Number} count The number of times to repeat the pattern (may be 0).
         * @param {String} sep An option string to separate each pattern.
         */
        repeat: function(pattern, count, sep) {
            for (var buf = [], i = count; i--; ) {
                buf.push(pattern);
            }
            return buf.join(sep || '');
        },

        /**
         * Splits a string of space separated words into an array, trimming as needed. If the
         * words are already an array, it is returned.
         *
         * @param {String/Array} words
         */
        splitWords: function (words) {
            if (words && typeof words == 'string') {
                return words.replace(basicTrimRe, '').split(whitespaceRe);
            }
            return words || [];
        }
    };
})();

/**
 * Old alias to {@link Ext.String#htmlEncode}
 * @deprecated Use {@link Ext.String#htmlEncode} instead
 * @method
 * @member Ext
 * @inheritdoc Ext.String#htmlEncode
 */
Ext.htmlEncode = Ext.String.htmlEncode;


/**
 * Old alias to {@link Ext.String#htmlDecode}
 * @deprecated Use {@link Ext.String#htmlDecode} instead
 * @method
 * @member Ext
 * @inheritdoc Ext.String#htmlDecode
 */
Ext.htmlDecode = Ext.String.htmlDecode;

/**
 * Old alias to {@link Ext.String#urlAppend}
 * @deprecated Use {@link Ext.String#urlAppend} instead
 * @method
 * @member Ext
 * @inheritdoc Ext.String#urlAppend
 */
Ext.urlAppend = Ext.String.urlAppend;
/**
 * @class Ext.Number
 *
 * A collection of useful static methods to deal with numbers
 * @singleton
 */

Ext.Number = new function() {

    var me = this,
        isToFixedBroken = (0.9).toFixed() !== '1',
        math = Math;

    Ext.apply(this, {
        /**
         * Checks whether or not the passed number is within a desired range.  If the number is already within the
         * range it is returned, otherwise the min or max value is returned depending on which side of the range is
         * exceeded. Note that this method returns the constrained value but does not change the current number.
         * @param {Number} number The number to check
         * @param {Number} min The minimum number in the range
         * @param {Number} max The maximum number in the range
         * @return {Number} The constrained value if outside the range, otherwise the current value
         */
        constrain: function(number, min, max) {
            number = parseFloat(number);

            if (!isNaN(min)) {
                number = math.max(number, min);
            }
            if (!isNaN(max)) {
                number = math.min(number, max);
            }
            return number;
        },

        /**
         * Snaps the passed number between stopping points based upon a passed increment value.
         *
         * The difference between this and {@link #snapInRange} is that {@link #snapInRange} uses the minValue
         * when calculating snap points:
         *
         *     r = Ext.Number.snap(56, 2, 55, 65);        // Returns 56 - snap points are zero based
         *
         *     r = Ext.Number.snapInRange(56, 2, 55, 65); // Returns 57 - snap points are based from minValue
         *
         * @param {Number} value The unsnapped value.
         * @param {Number} increment The increment by which the value must move.
         * @param {Number} minValue The minimum value to which the returned value must be constrained. Overrides the increment.
         * @param {Number} maxValue The maximum value to which the returned value must be constrained. Overrides the increment.
         * @return {Number} The value of the nearest snap target.
         */
        snap : function(value, increment, minValue, maxValue) {
            var m;

            // If no value passed, or minValue was passed and value is less than minValue (anything < undefined is false)
            // Then use the minValue (or zero if the value was undefined)
            if (value === undefined || value < minValue) {
                return minValue || 0;
            }

            if (increment) {
                m = value % increment;
                if (m !== 0) {
                    value -= m;
                    if (m * 2 >= increment) {
                        value += increment;
                    } else if (m * 2 < -increment) {
                        value -= increment;
                    }
                }
            }
            return me.constrain(value, minValue,  maxValue);
        },

        /**
         * Snaps the passed number between stopping points based upon a passed increment value.
         *
         * The difference between this and {@link #snap} is that {@link #snap} does not use the minValue
         * when calculating snap points:
         *
         *     r = Ext.Number.snap(56, 2, 55, 65);        // Returns 56 - snap points are zero based
         *
         *     r = Ext.Number.snapInRange(56, 2, 55, 65); // Returns 57 - snap points are based from minValue
         *
         * @param {Number} value The unsnapped value.
         * @param {Number} increment The increment by which the value must move.
         * @param {Number} [minValue=0] The minimum value to which the returned value must be constrained.
         * @param {Number} [maxValue=Infinity] The maximum value to which the returned value must be constrained.
         * @return {Number} The value of the nearest snap target.
         */
        snapInRange : function(value, increment, minValue, maxValue) {
            var tween;

            // default minValue to zero
            minValue = (minValue || 0);

            // If value is undefined, or less than minValue, use minValue
            if (value === undefined || value < minValue) {
                return minValue;
            }

            // Calculate how many snap points from the minValue the passed value is.
            if (increment && (tween = ((value - minValue) % increment))) {
                value -= tween;
                tween *= 2;
                if (tween >= increment) {
                    value += increment;
                }
            }

            // If constraining within a maximum, ensure the maximum is on a snap point
            if (maxValue !== undefined) {
                if (value > (maxValue = me.snapInRange(maxValue, increment, minValue))) {
                    value = maxValue;
                }
            }

            return value;
        },

        /**
         * Formats a number using fixed-point notation
         * @param {Number} value The number to format
         * @param {Number} precision The number of digits to show after the decimal point
         */
        toFixed: isToFixedBroken ? function(value, precision) {
            precision = precision || 0;
            var pow = math.pow(10, precision);
            return (math.round(value * pow) / pow).toFixed(precision);
        } : function(value, precision) {
            return value.toFixed(precision);
        },

        /**
         * Validate that a value is numeric and convert it to a number if necessary. Returns the specified default value if
         * it is not.

    Ext.Number.from('1.23', 1); // returns 1.23
    Ext.Number.from('abc', 1); // returns 1

         * @param {Object} value
         * @param {Number} defaultValue The value to return if the original value is non-numeric
         * @return {Number} value, if numeric, defaultValue otherwise
         */
        from: function(value, defaultValue) {
            if (isFinite(value)) {
                value = parseFloat(value);
            }

            return !isNaN(value) ? value : defaultValue;
        },

        /**
         * Returns a random integer between the specified range (inclusive)
         * @param {Number} from Lowest value to return.
         * @param {Number} to Highst value to return.
         * @return {Number} A random integer within the specified range.
         */
        randomInt: function (from, to) {
           return math.floor(math.random() * (to - from + 1) + from);
        }
    });

    /**
     * @deprecated 4.0.0 Please use {@link Ext.Number#from} instead.
     * @member Ext
     * @method num
     * @inheritdoc Ext.Number#from
     */
    Ext.num = function() {
        return me.from.apply(this, arguments);
    };
};
/**
 * @class Ext.Array
 * @singleton
 * @author Jacky Nguyen <jacky@sencha.com>
 * @docauthor Jacky Nguyen <jacky@sencha.com>
 *
 * A set of useful static methods to deal with arrays; provide missing methods for older browsers.
 */
(function() {

    var arrayPrototype = Array.prototype,
        slice = arrayPrototype.slice,
        supportsSplice = function () {
            var array = [],
                lengthBefore,
                j = 20;

            if (!array.splice) {
                return false;
            }

            // This detects a bug in IE8 splice method:
            // see http://social.msdn.microsoft.com/Forums/en-US/iewebdevelopment/thread/6e946d03-e09f-4b22-a4dd-cd5e276bf05a/

            while (j--) {
                array.push("A");
            }

            array.splice(15, 0, "F", "F", "F", "F", "F","F","F","F","F","F","F","F","F","F","F","F","F","F","F","F","F");

            lengthBefore = array.length; //41
            array.splice(13, 0, "XXX"); // add one element

            if (lengthBefore+1 != array.length) {
                return false;
            }
            // end IE8 bug

            return true;
        }(),
        supportsForEach = 'forEach' in arrayPrototype,
        supportsMap = 'map' in arrayPrototype,
        supportsIndexOf = 'indexOf' in arrayPrototype,
        supportsEvery = 'every' in arrayPrototype,
        supportsSome = 'some' in arrayPrototype,
        supportsFilter = 'filter' in arrayPrototype,
        supportsSort = function() {
            var a = [1,2,3,4,5].sort(function(){ return 0; });
            return a[0] === 1 && a[1] === 2 && a[2] === 3 && a[3] === 4 && a[4] === 5;
        }(),
        supportsSliceOnNodeList = true,
        ExtArray;

    try {
        // IE 6 - 8 will throw an error when using Array.prototype.slice on NodeList
        if (typeof document !== 'undefined') {
            slice.call(document.getElementsByTagName('body'));
        }
    } catch (e) {
        supportsSliceOnNodeList = false;
    }

    function fixArrayIndex (array, index) {
        return (index < 0) ? Math.max(0, array.length + index)
                           : Math.min(array.length, index);
    }

    /*
    Does the same work as splice, but with a slightly more convenient signature. The splice
    method has bugs in IE8, so this is the implementation we use on that platform.

    The rippling of items in the array can be tricky. Consider two use cases:

                  index=2
                  removeCount=2
                 /=====\
        +---+---+---+---+---+---+---+---+
        | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
        +---+---+---+---+---+---+---+---+
                         /  \/  \/  \/  \
                        /   /\  /\  /\   \
                       /   /  \/  \/  \   +--------------------------+
                      /   /   /\  /\   +--------------------------+   \
                     /   /   /  \/  +--------------------------+   \   \
                    /   /   /   /+--------------------------+   \   \   \
                   /   /   /   /                             \   \   \   \
                  v   v   v   v                               v   v   v   v
        +---+---+---+---+---+---+       +---+---+---+---+---+---+---+---+---+
        | 0 | 1 | 4 | 5 | 6 | 7 |       | 0 | 1 | a | b | c | 4 | 5 | 6 | 7 |
        +---+---+---+---+---+---+       +---+---+---+---+---+---+---+---+---+
        A                               B        \=========/
                                                 insert=[a,b,c]

    In case A, it is obvious that copying of [4,5,6,7] must be left-to-right so
    that we don't end up with [0,1,6,7,6,7]. In case B, we have the opposite; we
    must go right-to-left or else we would end up with [0,1,a,b,c,4,4,4,4].
    */
    function replaceSim (array, index, removeCount, insert) {
        var add = insert ? insert.length : 0,
            length = array.length,
            pos = fixArrayIndex(array, index);

        // we try to use Array.push when we can for efficiency...
        if (pos === length) {
            if (add) {
                array.push.apply(array, insert);
            }
        } else {
            var remove = Math.min(removeCount, length - pos),
                tailOldPos = pos + remove,
                tailNewPos = tailOldPos + add - remove,
                tailCount = length - tailOldPos,
                lengthAfterRemove = length - remove,
                i;

            if (tailNewPos < tailOldPos) { // case A
                for (i = 0; i < tailCount; ++i) {
                    array[tailNewPos+i] = array[tailOldPos+i];
                }
            } else if (tailNewPos > tailOldPos) { // case B
                for (i = tailCount; i--; ) {
                    array[tailNewPos+i] = array[tailOldPos+i];
                }
            } // else, add == remove (nothing to do)

            if (add && pos === lengthAfterRemove) {
                array.length = lengthAfterRemove; // truncate array
                array.push.apply(array, insert);
            } else {
                array.length = lengthAfterRemove + add; // reserves space
                for (i = 0; i < add; ++i) {
                    array[pos+i] = insert[i];
                }
            }
        }

        return array;
    }

    function replaceNative (array, index, removeCount, insert) {
        if (insert && insert.length) {
            if (index < array.length) {
                array.splice.apply(array, [index, removeCount].concat(insert));
            } else {
                array.push.apply(array, insert);
            }
        } else {
            array.splice(index, removeCount);
        }
        return array;
    }

    function eraseSim (array, index, removeCount) {
        return replaceSim(array, index, removeCount);
    }

    function eraseNative (array, index, removeCount) {
        array.splice(index, removeCount);
        return array;
    }

    function spliceSim (array, index, removeCount) {
        var pos = fixArrayIndex(array, index),
            removed = array.slice(index, fixArrayIndex(array, pos+removeCount));

        if (arguments.length < 4) {
            replaceSim(array, pos, removeCount);
        } else {
            replaceSim(array, pos, removeCount, slice.call(arguments, 3));
        }

        return removed;
    }

    function spliceNative (array) {
        return array.splice.apply(array, slice.call(arguments, 1));
    }

    var erase = supportsSplice ? eraseNative : eraseSim,
        replace = supportsSplice ? replaceNative : replaceSim,
        splice = supportsSplice ? spliceNative : spliceSim;

    // NOTE: from here on, use erase, replace or splice (not native methods)...

    ExtArray = Ext.Array = {
        /**
         * Iterates an array or an iterable value and invoke the given callback function for each item.
         *
         *     var countries = ['Vietnam', 'Singapore', 'United States', 'Russia'];
         *
         *     Ext.Array.each(countries, function(name, index, countriesItSelf) {
         *         console.log(name);
         *     });
         *
         *     var sum = function() {
         *         var sum = 0;
         *
         *         Ext.Array.each(arguments, function(value) {
         *             sum += value;
         *         });
         *
         *         return sum;
         *     };
         *
         *     sum(1, 2, 3); // returns 6
         *
         * The iteration can be stopped by returning false in the function callback.
         *
         *     Ext.Array.each(countries, function(name, index, countriesItSelf) {
         *         if (name === 'Singapore') {
         *             return false; // break here
         *         }
         *     });
         *
         * {@link Ext#each Ext.each} is alias for {@link Ext.Array#each Ext.Array.each}
         *
         * @param {Array/NodeList/Object} iterable The value to be iterated. If this
         * argument is not iterable, the callback function is called once.
         * @param {Function} fn The callback function. If it returns false, the iteration stops and this method returns
         * the current `index`.
         * @param {Object} fn.item The item at the current `index` in the passed `array`
         * @param {Number} fn.index The current `index` within the `array`
         * @param {Array} fn.allItems The `array` itself which was passed as the first argument
         * @param {Boolean} fn.return Return false to stop iteration.
         * @param {Object} scope (Optional) The scope (`this` reference) in which the specified function is executed.
         * @param {Boolean} reverse (Optional) Reverse the iteration order (loop from the end to the beginning)
         * Defaults false
         * @return {Boolean} See description for the `fn` parameter.
         */
        each: function(array, fn, scope, reverse) {
            array = ExtArray.from(array);

            var i,
                ln = array.length;

            if (reverse !== true) {
                for (i = 0; i < ln; i++) {
                    if (fn.call(scope || array[i], array[i], i, array) === false) {
                        return i;
                    }
                }
            }
            else {
                for (i = ln - 1; i > -1; i--) {
                    if (fn.call(scope || array[i], array[i], i, array) === false) {
                        return i;
                    }
                }
            }

            return true;
        },

        /**
         * Iterates an array and invoke the given callback function for each item. Note that this will simply
         * delegate to the native Array.prototype.forEach method if supported. It doesn't support stopping the
         * iteration by returning false in the callback function like {@link Ext.Array#each}. However, performance
         * could be much better in modern browsers comparing with {@link Ext.Array#each}
         *
         * @param {Array} array The array to iterate
         * @param {Function} fn The callback function.
         * @param {Object} fn.item The item at the current `index` in the passed `array`
         * @param {Number} fn.index The current `index` within the `array`
         * @param {Array}  fn.allItems The `array` itself which was passed as the first argument
         * @param {Object} scope (Optional) The execution scope (`this`) in which the specified function is executed.
         */
        forEach: supportsForEach ? function(array, fn, scope) {
            return array.forEach(fn, scope);
        } : function(array, fn, scope) {
            var i = 0,
                ln = array.length;

            for (; i < ln; i++) {
                fn.call(scope, array[i], i, array);
            }
        },

        /**
         * Get the index of the provided `item` in the given `array`, a supplement for the
         * missing arrayPrototype.indexOf in Internet Explorer.
         *
         * @param {Array} array The array to check
         * @param {Object} item The item to look for
         * @param {Number} from (Optional) The index at which to begin the search
         * @return {Number} The index of item in the array (or -1 if it is not found)
         */
        indexOf: supportsIndexOf ? function(array, item, from) {
            return array.indexOf(item, from);
         } : function(array, item, from) {
            var i, length = array.length;

            for (i = (from < 0) ? Math.max(0, length + from) : from || 0; i < length; i++) {
                if (array[i] === item) {
                    return i;
                }
            }

            return -1;
        },

        /**
         * Checks whether or not the given `array` contains the specified `item`
         *
         * @param {Array} array The array to check
         * @param {Object} item The item to look for
         * @return {Boolean} True if the array contains the item, false otherwise
         */
        contains: supportsIndexOf ? function(array, item) {
            return array.indexOf(item) !== -1;
        } : function(array, item) {
            var i, ln;

            for (i = 0, ln = array.length; i < ln; i++) {
                if (array[i] === item) {
                    return true;
                }
            }

            return false;
        },

        /**
         * Converts any iterable (numeric indices and a length property) into a true array.
         *
         *     function test() {
         *         var args = Ext.Array.toArray(arguments),
         *             fromSecondToLastArgs = Ext.Array.toArray(arguments, 1);
         *
         *         alert(args.join(' '));
         *         alert(fromSecondToLastArgs.join(' '));
         *     }
         *
         *     test('just', 'testing', 'here'); // alerts 'just testing here';
         *                                      // alerts 'testing here';
         *
         *     Ext.Array.toArray(document.getElementsByTagName('div')); // will convert the NodeList into an array
         *     Ext.Array.toArray('splitted'); // returns ['s', 'p', 'l', 'i', 't', 't', 'e', 'd']
         *     Ext.Array.toArray('splitted', 0, 3); // returns ['s', 'p', 'l', 'i']
         *
         * {@link Ext#toArray Ext.toArray} is alias for {@link Ext.Array#toArray Ext.Array.toArray}
         *
         * @param {Object} iterable the iterable object to be turned into a true Array.
         * @param {Number} start (Optional) a zero-based index that specifies the start of extraction. Defaults to 0
         * @param {Number} end (Optional) a zero-based index that specifies the end of extraction. Defaults to the last
         * index of the iterable value
         * @return {Array} array
         */
        toArray: function(iterable, start, end){
            if (!iterable || !iterable.length) {
                return [];
            }

            if (typeof iterable === 'string') {
                iterable = iterable.split('');
            }

            if (supportsSliceOnNodeList) {
                return slice.call(iterable, start || 0, end || iterable.length);
            }

            var array = [],
                i;

            start = start || 0;
            end = end ? ((end < 0) ? iterable.length + end : end) : iterable.length;

            for (i = start; i < end; i++) {
                array.push(iterable[i]);
            }

            return array;
        },

        /**
         * Plucks the value of a property from each item in the Array. Example:
         *
         *     Ext.Array.pluck(Ext.query("p"), "className"); // [el1.className, el2.className, ..., elN.className]
         *
         * @param {Array/NodeList} array The Array of items to pluck the value from.
         * @param {String} propertyName The property name to pluck from each element.
         * @return {Array} The value from each item in the Array.
         */
        pluck: function(array, propertyName) {
            var ret = [],
                i, ln, item;

            for (i = 0, ln = array.length; i < ln; i++) {
                item = array[i];

                ret.push(item[propertyName]);
            }

            return ret;
        },

        /**
         * Creates a new array with the results of calling a provided function on every element in this array.
         *
         * @param {Array} array
         * @param {Function} fn Callback function for each item
         * @param {Object} scope Callback function scope
         * @return {Array} results
         */
        map: supportsMap ? function(array, fn, scope) {
            return array.map(fn, scope);
        } : function(array, fn, scope) {
            var results = [],
                i = 0,
                len = array.length;

            for (; i < len; i++) {
                results[i] = fn.call(scope, array[i], i, array);
            }

            return results;
        },

        /**
         * Executes the specified function for each array element until the function returns a falsy value.
         * If such an item is found, the function will return false immediately.
         * Otherwise, it will return true.
         *
         * @param {Array} array
         * @param {Function} fn Callback function for each item
         * @param {Object} scope Callback function scope
         * @return {Boolean} True if no false value is returned by the callback function.
         */
        every: supportsEvery ? function(array, fn, scope) {
            return array.every(fn, scope);
        } : function(array, fn, scope) {
            var i = 0,
                ln = array.length;

            for (; i < ln; ++i) {
                if (!fn.call(scope, array[i], i, array)) {
                    return false;
                }
            }

            return true;
        },

        /**
         * Executes the specified function for each array element until the function returns a truthy value.
         * If such an item is found, the function will return true immediately. Otherwise, it will return false.
         *
         * @param {Array} array
         * @param {Function} fn Callback function for each item
         * @param {Object} scope Callback function scope
         * @return {Boolean} True if the callback function returns a truthy value.
         */
        some: supportsSome ? function(array, fn, scope) {
            return array.some(fn, scope);
        } : function(array, fn, scope) {
            var i = 0,
                ln = array.length;

            for (; i < ln; ++i) {
                if (fn.call(scope, array[i], i, array)) {
                    return true;
                }
            }

            return false;
        },

        /**
         * Filter through an array and remove empty item as defined in {@link Ext#isEmpty Ext.isEmpty}
         *
         * See {@link Ext.Array#filter}
         *
         * @param {Array} array
         * @return {Array} results
         */
        clean: function(array) {
            var results = [],
                i = 0,
                ln = array.length,
                item;

            for (; i < ln; i++) {
                item = array[i];

                if (!Ext.isEmpty(item)) {
                    results.push(item);
                }
            }

            return results;
        },

        /**
         * Returns a new array with unique items
         *
         * @param {Array} array
         * @return {Array} results
         */
        unique: function(array) {
            var clone = [],
                i = 0,
                ln = array.length,
                item;

            for (; i < ln; i++) {
                item = array[i];

                if (ExtArray.indexOf(clone, item) === -1) {
                    clone.push(item);
                }
            }

            return clone;
        },

        /**
         * Creates a new array with all of the elements of this array for which
         * the provided filtering function returns true.
         *
         * @param {Array} array
         * @param {Function} fn Callback function for each item
         * @param {Object} scope Callback function scope
         * @return {Array} results
         */
        filter: supportsFilter ? function(array, fn, scope) {
            return array.filter(fn, scope);
        } : function(array, fn, scope) {
            var results = [],
                i = 0,
                ln = array.length;

            for (; i < ln; i++) {
                if (fn.call(scope, array[i], i, array)) {
                    results.push(array[i]);
                }
            }

            return results;
        },

        /**
         * Converts a value to an array if it's not already an array; returns:
         *
         * - An empty array if given value is `undefined` or `null`
         * - Itself if given value is already an array
         * - An array copy if given value is {@link Ext#isIterable iterable} (arguments, NodeList and alike)
         * - An array with one item which is the given value, otherwise
         *
         * @param {Object} value The value to convert to an array if it's not already is an array
         * @param {Boolean} newReference (Optional) True to clone the given array and return a new reference if necessary,
         * defaults to false
         * @return {Array} array
         */
        from: function(value, newReference) {
            if (value === undefined || value === null) {
                return [];
            }

            if (Ext.isArray(value)) {
                return (newReference) ? slice.call(value) : value;
            }

            if (value && value.length !== undefined && typeof value !== 'string') {
                return ExtArray.toArray(value);
            }

            return [value];
        },

        /**
         * Removes the specified item from the array if it exists
         *
         * @param {Array} array The array
         * @param {Object} item The item to remove
         * @return {Array} The passed array itself
         */
        remove: function(array, item) {
            var index = ExtArray.indexOf(array, item);

            if (index !== -1) {
                erase(array, index, 1);
            }

            return array;
        },

        /**
         * Push an item into the array only if the array doesn't contain it yet
         *
         * @param {Array} array The array
         * @param {Object} item The item to include
         */
        include: function(array, item) {
            if (!ExtArray.contains(array, item)) {
                array.push(item);
            }
        },

        /**
         * Clone a flat array without referencing the previous one. Note that this is different
         * from Ext.clone since it doesn't handle recursive cloning. It's simply a convenient, easy-to-remember method
         * for Array.prototype.slice.call(array)
         *
         * @param {Array} array The array
         * @return {Array} The clone array
         */
        clone: function(array) {
            return slice.call(array);
        },

        /**
         * Merge multiple arrays into one with unique items.
         *
         * {@link Ext.Array#union} is alias for {@link Ext.Array#merge}
         *
         * @param {Array} array1
         * @param {Array} array2
         * @param {Array} etc
         * @return {Array} merged
         */
        merge: function() {
            var args = slice.call(arguments),
                array = [],
                i, ln;

            for (i = 0, ln = args.length; i < ln; i++) {
                array = array.concat(args[i]);
            }

            return ExtArray.unique(array);
        },

        /**
         * Merge multiple arrays into one with unique items that exist in all of the arrays.
         *
         * @param {Array} array1
         * @param {Array} array2
         * @param {Array} etc
         * @return {Array} intersect
         */
        intersect: function() {
            var intersect = [],
                arrays = slice.call(arguments),
                i, j, k, minArray, array, x, y, ln, arraysLn, arrayLn;

            if (!arrays.length) {
                return intersect;
            }

            // Find the smallest array
            for (i = x = 0,ln = arrays.length; i < ln,array = arrays[i]; i++) {
                if (!minArray || array.length < minArray.length) {
                    minArray = array;
                    x = i;
                }
            }

            minArray = ExtArray.unique(minArray);
            erase(arrays, x, 1);

            // Use the smallest unique'd array as the anchor loop. If the other array(s) do contain
            // an item in the small array, we're likely to find it before reaching the end
            // of the inner loop and can terminate the search early.
            for (i = 0,ln = minArray.length; i < ln,x = minArray[i]; i++) {
                var count = 0;

                for (j = 0,arraysLn = arrays.length; j < arraysLn,array = arrays[j]; j++) {
                    for (k = 0,arrayLn = array.length; k < arrayLn,y = array[k]; k++) {
                        if (x === y) {
                            count++;
                            break;
                        }
                    }
                }

                if (count === arraysLn) {
                    intersect.push(x);
                }
            }

            return intersect;
        },

        /**
         * Perform a set difference A-B by subtracting all items in array B from array A.
         *
         * @param {Array} arrayA
         * @param {Array} arrayB
         * @return {Array} difference
         */
        difference: function(arrayA, arrayB) {
            var clone = slice.call(arrayA),
                ln = clone.length,
                i, j, lnB;

            for (i = 0,lnB = arrayB.length; i < lnB; i++) {
                for (j = 0; j < ln; j++) {
                    if (clone[j] === arrayB[i]) {
                        erase(clone, j, 1);
                        j--;
                        ln--;
                    }
                }
            }

            return clone;
        },

        /**
         * Returns a shallow copy of a part of an array. This is equivalent to the native
         * call "Array.prototype.slice.call(array, begin, end)". This is often used when "array"
         * is "arguments" since the arguments object does not supply a slice method but can
         * be the context object to Array.prototype.slice.
         *
         * @param {Array} array The array (or arguments object).
         * @param {Number} begin The index at which to begin. Negative values are offsets from
         * the end of the array.
         * @param {Number} end The index at which to end. The copied items do not include
         * end. Negative values are offsets from the end of the array. If end is omitted,
         * all items up to the end of the array are copied.
         * @return {Array} The copied piece of the array.
         * @method
         */
        // Note: IE6 will return [] on slice.call(x, undefined).
        slice: ([1,2].slice(1, undefined).length ?
            function (array, begin, end) {
                return slice.call(array, begin, end);
            } :
            // at least IE6 uses arguments.length for variadic signature
            function (array, begin, end) {
                // After tested for IE 6, the one below is of the best performance
                // see http://jsperf.com/slice-fix
                if (typeof begin === 'undefined') {
                    return slice.call(array);
                }
                if (typeof end === 'undefined') {
                    return slice.call(array, begin);
                }
                return slice.call(array, begin, end);
            }
        ),

        /**
         * Sorts the elements of an Array.
         * By default, this method sorts the elements alphabetically and ascending.
         *
         * @param {Array} array The array to sort.
         * @param {Function} sortFn (optional) The comparison function.
         * @return {Array} The sorted array.
         */
        sort: supportsSort ? function(array, sortFn) {
            if (sortFn) {
                return array.sort(sortFn);
            } else {
                return array.sort();
            }
         } : function(array, sortFn) {
            var length = array.length,
                i = 0,
                comparison,
                j, min, tmp;

            for (; i < length; i++) {
                min = i;
                for (j = i + 1; j < length; j++) {
                    if (sortFn) {
                        comparison = sortFn(array[j], array[min]);
                        if (comparison < 0) {
                            min = j;
                        }
                    } else if (array[j] < array[min]) {
                        min = j;
                    }
                }
                if (min !== i) {
                    tmp = array[i];
                    array[i] = array[min];
                    array[min] = tmp;
                }
            }

            return array;
        },

        /**
         * Recursively flattens into 1-d Array. Injects Arrays inline.
         *
         * @param {Array} array The array to flatten
         * @return {Array} The 1-d array.
         */
        flatten: function(array) {
            var worker = [];

            function rFlatten(a) {
                var i, ln, v;

                for (i = 0, ln = a.length; i < ln; i++) {
                    v = a[i];

                    if (Ext.isArray(v)) {
                        rFlatten(v);
                    } else {
                        worker.push(v);
                    }
                }

                return worker;
            }

            return rFlatten(array);
        },

        /**
         * Returns the minimum value in the Array.
         *
         * @param {Array/NodeList} array The Array from which to select the minimum value.
         * @param {Function} comparisonFn (optional) a function to perform the comparision which determines minimization.
         * If omitted the "<" operator will be used. Note: gt = 1; eq = 0; lt = -1
         * @return {Object} minValue The minimum value
         */
        min: function(array, comparisonFn) {
            var min = array[0],
                i, ln, item;

            for (i = 0, ln = array.length; i < ln; i++) {
                item = array[i];

                if (comparisonFn) {
                    if (comparisonFn(min, item) === 1) {
                        min = item;
                    }
                }
                else {
                    if (item < min) {
                        min = item;
                    }
                }
            }

            return min;
        },

        /**
         * Returns the maximum value in the Array.
         *
         * @param {Array/NodeList} array The Array from which to select the maximum value.
         * @param {Function} comparisonFn (optional) a function to perform the comparision which determines maximization.
         * If omitted the ">" operator will be used. Note: gt = 1; eq = 0; lt = -1
         * @return {Object} maxValue The maximum value
         */
        max: function(array, comparisonFn) {
            var max = array[0],
                i, ln, item;

            for (i = 0, ln = array.length; i < ln; i++) {
                item = array[i];

                if (comparisonFn) {
                    if (comparisonFn(max, item) === -1) {
                        max = item;
                    }
                }
                else {
                    if (item > max) {
                        max = item;
                    }
                }
            }

            return max;
        },

        /**
         * Calculates the mean of all items in the array.
         *
         * @param {Array} array The Array to calculate the mean value of.
         * @return {Number} The mean.
         */
        mean: function(array) {
            return array.length > 0 ? ExtArray.sum(array) / array.length : undefined;
        },

        /**
         * Calculates the sum of all items in the given array.
         *
         * @param {Array} array The Array to calculate the sum value of.
         * @return {Number} The sum.
         */
        sum: function(array) {
            var sum = 0,
                i, ln, item;

            for (i = 0,ln = array.length; i < ln; i++) {
                item = array[i];

                sum += item;
            }

            return sum;
        },

        /**
         * Creates a map (object) keyed by the elements of the given array. The values in
         * the map are the index+1 of the array element. For example:
         * 
         *      var map = Ext.Array.toMap(['a','b','c']);
         *
         *      // map = { a: 1, b: 2, c: 3 };
         * 
         * Or a key property can be specified:
         * 
         *      var map = Ext.Array.toMap([
         *              { name: 'a' },
         *              { name: 'b' },
         *              { name: 'c' }
         *          ], 'name');
         *
         *      // map = { a: 1, b: 2, c: 3 };
         * 
         * Lastly, a key extractor can be provided:
         * 
         *      var map = Ext.Array.toMap([
         *              { name: 'a' },
         *              { name: 'b' },
         *              { name: 'c' }
         *          ], function (obj) { return obj.name.toUpperCase(); });
         *
         *      // map = { A: 1, B: 2, C: 3 };
         */
        toMap: function(array, getKey, scope) {
            var map = {},
                i = array.length;

            if (!getKey) {
                while (i--) {
                    map[array[i]] = i+1;
                }
            } else if (typeof getKey == 'string') {
                while (i--) {
                    map[array[i][getKey]] = i+1;
                }
            } else {
                while (i--) {
                    map[getKey.call(scope, array[i])] = i+1;
                }
            }

            return map;
        },


        /**
         * Removes items from an array. This is functionally equivalent to the splice method
         * of Array, but works around bugs in IE8's splice method and does not copy the
         * removed elements in order to return them (because very often they are ignored).
         *
         * @param {Array} array The Array on which to replace.
         * @param {Number} index The index in the array at which to operate.
         * @param {Number} removeCount The number of items to remove at index.
         * @return {Array} The array passed.
         * @method
         */
        erase: erase,

        /**
         * Inserts items in to an array.
         *
         * @param {Array} array The Array in which to insert.
         * @param {Number} index The index in the array at which to operate.
         * @param {Array} items The array of items to insert at index.
         * @return {Array} The array passed.
         */
        insert: function (array, index, items) {
            return replace(array, index, 0, items);
        },

        /**
         * Replaces items in an array. This is functionally equivalent to the splice method
         * of Array, but works around bugs in IE8's splice method and is often more convenient
         * to call because it accepts an array of items to insert rather than use a variadic
         * argument list.
         *
         * @param {Array} array The Array on which to replace.
         * @param {Number} index The index in the array at which to operate.
         * @param {Number} removeCount The number of items to remove at index (can be 0).
         * @param {Array} insert (optional) An array of items to insert at index.
         * @return {Array} The array passed.
         * @method
         */
        replace: replace,

        /**
         * Replaces items in an array. This is equivalent to the splice method of Array, but
         * works around bugs in IE8's splice method. The signature is exactly the same as the
         * splice method except that the array is the first argument. All arguments following
         * removeCount are inserted in the array at index.
         *
         * @param {Array} array The Array on which to replace.
         * @param {Number} index The index in the array at which to operate.
         * @param {Number} removeCount The number of items to remove at index (can be 0).
         * @param {Object...} elements The elements to add to the array. If you don't specify
         * any elements, splice simply removes elements from the array.
         * @return {Array} An array containing the removed items.
         * @method
         */
        splice: splice,

        /**
         * Pushes new items onto the end of an Array.
         *
         * Passed parameters may be single items, or arrays of items. If an Array is found in the argument list, all its
         * elements are pushed into the end of the target Array.
         *
         * @param {Array} target The Array onto which to push new items
         * @param {Object...} elements The elements to add to the array. Each parameter may
         * be an Array, in which case all the elements of that Array will be pushed into the end of the
         * destination Array.
         * @return {Array} An array containing all the new items push onto the end.
         *
         */
        push: function(array) {
            var len = arguments.length,
                i = 1,
                newItem;

            if (array === undefined) {
                array = [];
            } else if (!Ext.isArray(array)) {
                array = [array];
            }
            for (; i < len; i++) {
                newItem = arguments[i];
                Array.prototype.push[Ext.isArray(newItem) ? 'apply' : 'call'](array, newItem);
            }
            return array;
        }
    };

    /**
     * @method
     * @member Ext
     * @inheritdoc Ext.Array#each
     */
    Ext.each = ExtArray.each;

    /**
     * @method
     * @member Ext.Array
     * @inheritdoc Ext.Array#merge
     */
    ExtArray.union = ExtArray.merge;

    /**
     * Old alias to {@link Ext.Array#min}
     * @deprecated 4.0.0 Use {@link Ext.Array#min} instead
     * @method
     * @member Ext
     * @inheritdoc Ext.Array#min
     */
    Ext.min = ExtArray.min;

    /**
     * Old alias to {@link Ext.Array#max}
     * @deprecated 4.0.0 Use {@link Ext.Array#max} instead
     * @method
     * @member Ext
     * @inheritdoc Ext.Array#max
     */
    Ext.max = ExtArray.max;

    /**
     * Old alias to {@link Ext.Array#sum}
     * @deprecated 4.0.0 Use {@link Ext.Array#sum} instead
     * @method
     * @member Ext
     * @inheritdoc Ext.Array#sum
     */
    Ext.sum = ExtArray.sum;

    /**
     * Old alias to {@link Ext.Array#mean}
     * @deprecated 4.0.0 Use {@link Ext.Array#mean} instead
     * @method
     * @member Ext
     * @inheritdoc Ext.Array#mean
     */
    Ext.mean = ExtArray.mean;

    /**
     * Old alias to {@link Ext.Array#flatten}
     * @deprecated 4.0.0 Use {@link Ext.Array#flatten} instead
     * @method
     * @member Ext
     * @inheritdoc Ext.Array#flatten
     */
    Ext.flatten = ExtArray.flatten;

    /**
     * Old alias to {@link Ext.Array#clean}
     * @deprecated 4.0.0 Use {@link Ext.Array#clean} instead
     * @method
     * @member Ext
     * @inheritdoc Ext.Array#clean
     */
    Ext.clean = ExtArray.clean;

    /**
     * Old alias to {@link Ext.Array#unique}
     * @deprecated 4.0.0 Use {@link Ext.Array#unique} instead
     * @method
     * @member Ext
     * @inheritdoc Ext.Array#unique
     */
    Ext.unique = ExtArray.unique;

    /**
     * Old alias to {@link Ext.Array#pluck Ext.Array.pluck}
     * @deprecated 4.0.0 Use {@link Ext.Array#pluck Ext.Array.pluck} instead
     * @method
     * @member Ext
     * @inheritdoc Ext.Array#pluck
     */
    Ext.pluck = ExtArray.pluck;

    /**
     * @method
     * @member Ext
     * @inheritdoc Ext.Array#toArray
     */
    Ext.toArray = function() {
        return ExtArray.toArray.apply(ExtArray, arguments);
    };
})();

/**
 * @class Ext.Function
 *
 * A collection of useful static methods to deal with function callbacks
 * @singleton
 * @alternateClassName Ext.util.Functions
 */
Ext.Function = {

    /**
     * A very commonly used method throughout the framework. It acts as a wrapper around another method
     * which originally accepts 2 arguments for `name` and `value`.
     * The wrapped function then allows "flexible" value setting of either:
     *
     * - `name` and `value` as 2 arguments
     * - one single object argument with multiple key - value pairs
     *
     * For example:
     *
     *     var setValue = Ext.Function.flexSetter(function(name, value) {
     *         this[name] = value;
     *     });
     *
     *     // Afterwards
     *     // Setting a single name - value
     *     setValue('name1', 'value1');
     *
     *     // Settings multiple name - value pairs
     *     setValue({
     *         name1: 'value1',
     *         name2: 'value2',
     *         name3: 'value3'
     *     });
     *
     * @param {Function} setter
     * @returns {Function} flexSetter
     */
    flexSetter: function(fn) {
        return function(a, b) {
            var k, i;

            if (a === null) {
                return this;
            }

            if (typeof a !== 'string') {
                for (k in a) {
                    if (a.hasOwnProperty(k)) {
                        fn.call(this, k, a[k]);
                    }
                }

                if (Ext.enumerables) {
                    for (i = Ext.enumerables.length; i--;) {
                        k = Ext.enumerables[i];
                        if (a.hasOwnProperty(k)) {
                            fn.call(this, k, a[k]);
                        }
                    }
                }
            } else {
                fn.call(this, a, b);
            }

            return this;
        };
    },

    /**
     * Create a new function from the provided `fn`, change `this` to the provided scope, optionally
     * overrides arguments for the call. (Defaults to the arguments passed by the caller)
     *
     * {@link Ext#bind Ext.bind} is alias for {@link Ext.Function#bind Ext.Function.bind}
     *
     * @param {Function} fn The function to delegate.
     * @param {Object} scope (optional) The scope (`this` reference) in which the function is executed.
     * **If omitted, defaults to the default global environment object (usually the browser window).**
     * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)
     * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,
     * if a number the args are inserted at the specified position
     * @return {Function} The new function
     */
    bind: function(fn, scope, args, appendArgs) {
        if (arguments.length === 2) {
            return function() {
                return fn.apply(scope, arguments);
            };
        }

        var method = fn,
            slice = Array.prototype.slice;

        return function() {
            var callArgs = args || arguments;

            if (appendArgs === true) {
                callArgs = slice.call(arguments, 0);
                callArgs = callArgs.concat(args);
            }
            else if (typeof appendArgs == 'number') {
                callArgs = slice.call(arguments, 0); // copy arguments first
                Ext.Array.insert(callArgs, appendArgs, args);
            }

            return method.apply(scope || Ext.global, callArgs);
        };
    },

    /**
     * Create a new function from the provided `fn`, the arguments of which are pre-set to `args`.
     * New arguments passed to the newly created callback when it's invoked are appended after the pre-set ones.
     * This is especially useful when creating callbacks.
     *
     * For example:
     *
     *     var originalFunction = function(){
     *         alert(Ext.Array.from(arguments).join(' '));
     *     };
     *
     *     var callback = Ext.Function.pass(originalFunction, ['Hello', 'World']);
     *
     *     callback(); // alerts 'Hello World'
     *     callback('by Me'); // alerts 'Hello World by Me'
     *
     * {@link Ext#pass Ext.pass} is alias for {@link Ext.Function#pass Ext.Function.pass}
     *
     * @param {Function} fn The original function
     * @param {Array} args The arguments to pass to new callback
     * @param {Object} scope (optional) The scope (`this` reference) in which the function is executed.
     * @return {Function} The new callback function
     */
    pass: function(fn, args, scope) {
        if (!Ext.isArray(args)) {
            if (Ext.isIterable(args)) {
                args = Ext.Array.clone(args);
            } else {
                args = args !== undefined ? [args] : [];
            }
        };

        return function() {
            var fnArgs = [].concat(args);
            fnArgs.push.apply(fnArgs, arguments);
            return fn.apply(scope || this, fnArgs);
        };
    },

    /**
     * Create an alias to the provided method property with name `methodName` of `object`.
     * Note that the execution scope will still be bound to the provided `object` itself.
     *
     * @param {Object/Function} object
     * @param {String} methodName
     * @return {Function} aliasFn
     */
    alias: function(object, methodName) {
        return function() {
            return object[methodName].apply(object, arguments);
        };
    },

    /**
     * Create a "clone" of the provided method. The returned method will call the given
     * method passing along all arguments and the "this" pointer and return its result.
     *
     * @param {Function} method
     * @return {Function} cloneFn
     */
    clone: function(method) {
        return function() {
            return method.apply(this, arguments);
        };
    },

    /**
     * Creates an interceptor function. The passed function is called before the original one. If it returns false,
     * the original one is not called. The resulting function returns the results of the original function.
     * The passed function is called with the parameters of the original function. Example usage:
     *
     *     var sayHi = function(name){
     *         alert('Hi, ' + name);
     *     }
     *
     *     sayHi('Fred'); // alerts "Hi, Fred"
     *
     *     // create a new function that validates input without
     *     // directly modifying the original function:
     *     var sayHiToFriend = Ext.Function.createInterceptor(sayHi, function(name){
     *         return name == 'Brian';
     *     });
     *
     *     sayHiToFriend('Fred');  // no alert
     *     sayHiToFriend('Brian'); // alerts "Hi, Brian"
     *
     * @param {Function} origFn The original function.
     * @param {Function} newFn The function to call before the original
     * @param {Object} scope (optional) The scope (`this` reference) in which the passed function is executed.
     * **If omitted, defaults to the scope in which the original function is called or the browser window.**
     * @param {Object} returnValue (optional) The value to return if the passed function return false (defaults to null).
     * @return {Function} The new function
     */
    createInterceptor: function(origFn, newFn, scope, returnValue) {
        var method = origFn;
        if (!Ext.isFunction(newFn)) {
            return origFn;
        }
        else {
            return function() {
                var me = this,
                    args = arguments;
                newFn.target = me;
                newFn.method = origFn;
                return (newFn.apply(scope || me || Ext.global, args) !== false) ? origFn.apply(me || Ext.global, args) : returnValue || null;
            };
        }
    },

    /**
     * Creates a delegate (callback) which, when called, executes after a specific delay.
     *
     * @param {Function} fn The function which will be called on a delay when the returned function is called.
     * Optionally, a replacement (or additional) argument list may be specified.
     * @param {Number} delay The number of milliseconds to defer execution by whenever called.
     * @param {Object} scope (optional) The scope (`this` reference) used by the function at execution time.
     * @param {Array} args (optional) Override arguments for the call. (Defaults to the arguments passed by the caller)
     * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,
     * if a number the args are inserted at the specified position.
     * @return {Function} A function which, when called, executes the original function after the specified delay.
     */
    createDelayed: function(fn, delay, scope, args, appendArgs) {
        if (scope || args) {
            fn = Ext.Function.bind(fn, scope, args, appendArgs);
        }

        return function() {
            var me = this,
                args = Array.prototype.slice.call(arguments);

            setTimeout(function() {
                fn.apply(me, args);
            }, delay);
        };
    },

    /**
     * Calls this function after the number of millseconds specified, optionally in a specific scope. Example usage:
     *
     *     var sayHi = function(name){
     *         alert('Hi, ' + name);
     *     }
     *
     *     // executes immediately:
     *     sayHi('Fred');
     *
     *     // executes after 2 seconds:
     *     Ext.Function.defer(sayHi, 2000, this, ['Fred']);
     *
     *     // this syntax is sometimes useful for deferring
     *     // execution of an anonymous function:
     *     Ext.Function.defer(function(){
     *         alert('Anonymous');
     *     }, 100);
     *
     * {@link Ext#defer Ext.defer} is alias for {@link Ext.Function#defer Ext.Function.defer}
     *
     * @param {Function} fn The function to defer.
     * @param {Number} millis The number of milliseconds for the setTimeout call
     * (if less than or equal to 0 the function is executed immediately)
     * @param {Object} scope (optional) The scope (`this` reference) in which the function is executed.
     * **If omitted, defaults to the browser window.**
     * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller)
     * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding,
     * if a number the args are inserted at the specified position
     * @return {Number} The timeout id that can be used with clearTimeout
     */
    defer: function(fn, millis, scope, args, appendArgs) {
        fn = Ext.Function.bind(fn, scope, args, appendArgs);
        if (millis > 0) {
            return setTimeout(fn, millis);
        }
        fn();
        return 0;
    },

    /**
     * Create a combined function call sequence of the original function + the passed function.
     * The resulting function returns the results of the original function.
     * The passed function is called with the parameters of the original function. Example usage:
     *
     *     var sayHi = function(name){
     *         alert('Hi, ' + name);
     *     }
     *
     *     sayHi('Fred'); // alerts "Hi, Fred"
     *
     *     var sayGoodbye = Ext.Function.createSequence(sayHi, function(name){
     *         alert('Bye, ' + name);
     *     });
     *
     *     sayGoodbye('Fred'); // both alerts show
     *
     * @param {Function} originalFn The original function.
     * @param {Function} newFn The function to sequence
     * @param {Object} scope (optional) The scope (`this` reference) in which the passed function is executed.
     * If omitted, defaults to the scope in which the original function is called or the default global environment object (usually the browser window).
     * @return {Function} The new function
     */
    createSequence: function(originalFn, newFn, scope) {
        if (!newFn) {
            return originalFn;
        }
        else {
            return function() {
                var result = originalFn.apply(this, arguments);
                newFn.apply(scope || this, arguments);
                return result;
            };
        }
    },

    /**
     * Creates a delegate function, optionally with a bound scope which, when called, buffers
     * the execution of the passed function for the configured number of milliseconds.
     * If called again within that period, the impending invocation will be canceled, and the
     * timeout period will begin again.
     *
     * @param {Function} fn The function to invoke on a buffered timer.
     * @param {Number} buffer The number of milliseconds by which to buffer the invocation of the
     * function.
     * @param {Object} scope (optional) The scope (`this` reference) in which
     * the passed function is executed. If omitted, defaults to the scope specified by the caller.
     * @param {Array} args (optional) Override arguments for the call. Defaults to the arguments
     * passed by the caller.
     * @return {Function} A function which invokes the passed function after buffering for the specified time.
     */
    createBuffered: function(fn, buffer, scope, args) {
        var timerId;

        return function() {
            var callArgs = args || Array.prototype.slice.call(arguments, 0),
                me = scope || this;

            if (timerId) {
                clearTimeout(timerId);
            }

            timerId = setTimeout(function(){
                fn.apply(me, callArgs);
            }, buffer);
        };
    },

    /**
     * Creates a throttled version of the passed function which, when called repeatedly and
     * rapidly, invokes the passed function only after a certain interval has elapsed since the
     * previous invocation.
     *
     * This is useful for wrapping functions which may be called repeatedly, such as
     * a handler of a mouse move event when the processing is expensive.
     *
     * @param {Function} fn The function to execute at a regular time interval.
     * @param {Number} interval The interval **in milliseconds** on which the passed function is executed.
     * @param {Object} scope (optional) The scope (`this` reference) in which
     * the passed function is executed. If omitted, defaults to the scope specified by the caller.
     * @returns {Function} A function which invokes the passed function at the specified interval.
     */
    createThrottled: function(fn, interval, scope) {
        var lastCallTime, elapsed, lastArgs, timer, execute = function() {
            fn.apply(scope || this, lastArgs);
            lastCallTime = new Date().getTime();
        };

        return function() {
            elapsed = new Date().getTime() - lastCallTime;
            lastArgs = arguments;

            clearTimeout(timer);
            if (!lastCallTime || (elapsed >= interval)) {
                execute();
            } else {
                timer = setTimeout(execute, interval - elapsed);
            }
        };
    },

    /**
     * Adds behavior to an existing method that is executed before the
     * original behavior of the function.  For example:
     * 
     *     var soup = {
     *         contents: [],
     *         add: function(ingredient) {
     *             this.contents.push(ingredient);
     *         }
     *     };
     *     Ext.Function.interceptBefore(soup, "add", function(ingredient){
     *         if (!this.contents.length && ingredient !== "water") {
     *             // Always add water to start with
     *             this.contents.push("water");
     *         }
     *     });
     *     soup.add("onions");
     *     soup.add("salt");
     *     soup.contents; // will contain: water, onions, salt
     * 
     * @param {Object} object The target object
     * @param {String} methodName Name of the method to override
     * @param {Function} fn Function with the new behavior.  It will
     * be called with the same arguments as the original method.  The
     * return value of this function will be the return value of the
     * new method.
     * @param {Object} [scope] The scope to execute the interceptor function. Defaults to the object.
     * @return {Function} The new function just created.
     */
    interceptBefore: function(object, methodName, fn, scope) {
        var method = object[methodName] || Ext.emptyFn;

        return (object[methodName] = function() {
            var ret = fn.apply(scope || this, arguments);
            method.apply(this, arguments);

            return ret;
        });
    },

    /**
     * Adds behavior to an existing method that is executed after the
     * original behavior of the function.  For example:
     * 
     *     var soup = {
     *         contents: [],
     *         add: function(ingredient) {
     *             this.contents.push(ingredient);
     *         }
     *     };
     *     Ext.Function.interceptAfter(soup, "add", function(ingredient){
     *         // Always add a bit of extra salt
     *         this.contents.push("salt");
     *     });
     *     soup.add("water");
     *     soup.add("onions");
     *     soup.contents; // will contain: water, salt, onions, salt
     * 
     * @param {Object} object The target object
     * @param {String} methodName Name of the method to override
     * @param {Function} fn Function with the new behavior.  It will
     * be called with the same arguments as the original method.  The
     * return value of this function will be the return value of the
     * new method.
     * @param {Object} [scope] The scope to execute the interceptor function. Defaults to the object.
     * @return {Function} The new function just created.
     */
    interceptAfter: function(object, methodName, fn, scope) {
        var method = object[methodName] || Ext.emptyFn;

        return (object[methodName] = function() {
            method.apply(this, arguments);
            return fn.apply(scope || this, arguments);
        });
    }
};

/**
 * @method
 * @member Ext
 * @inheritdoc Ext.Function#defer
 */
Ext.defer = Ext.Function.alias(Ext.Function, 'defer');

/**
 * @method
 * @member Ext
 * @inheritdoc Ext.Function#pass
 */
Ext.pass = Ext.Function.alias(Ext.Function, 'pass');

/**
 * @method
 * @member Ext
 * @inheritdoc Ext.Function#bind
 */
Ext.bind = Ext.Function.alias(Ext.Function, 'bind');

/**
 * @author Jacky Nguyen <jacky@sencha.com>
 * @docauthor Jacky Nguyen <jacky@sencha.com>
 * @class Ext.Object
 *
 * A collection of useful static methods to deal with objects.
 *
 * @singleton
 */

(function() {

// The "constructor" for chain:
var TemplateClass = function(){};

var ExtObject = Ext.Object = {

    /**
     * Returns a new object with the given object as the prototype chain.
     * @param {Object} object The prototype chain for the new object.
     */
    chain: function (object) {
        TemplateClass.prototype = object;
        var result = new TemplateClass();
        TemplateClass.prototype = null;
        return result;
    },

    /**
     * Converts a `name` - `value` pair to an array of objects with support for nested structures. Useful to construct
     * query strings. For example:
     *
     *     var objects = Ext.Object.toQueryObjects('hobbies', ['reading', 'cooking', 'swimming']);
     *
     *     // objects then equals:
     *     [
     *         { name: 'hobbies', value: 'reading' },
     *         { name: 'hobbies', value: 'cooking' },
     *         { name: 'hobbies', value: 'swimming' },
     *     ];
     *
     *     var objects = Ext.Object.toQueryObjects('dateOfBirth', {
     *         day: 3,
     *         month: 8,
     *         year: 1987,
     *         extra: {
     *             hour: 4
     *             minute: 30
     *         }
     *     }, true); // Recursive
     *
     *     // objects then equals:
     *     [
     *         { name: 'dateOfBirth[day]', value: 3 },
     *         { name: 'dateOfBirth[month]', value: 8 },
     *         { name: 'dateOfBirth[year]', value: 1987 },
     *         { name: 'dateOfBirth[extra][hour]', value: 4 },
     *         { name: 'dateOfBirth[extra][minute]', value: 30 },
     *     ];
     *
     * @param {String} name
     * @param {Object/Array} value
     * @param {Boolean} [recursive=false] True to traverse object recursively
     * @return {Array}
     */
    toQueryObjects: function(name, value, recursive) {
        var self = ExtObject.toQueryObjects,
            objects = [],
            i, ln;

        if (Ext.isArray(value)) {
            for (i = 0, ln = value.length; i < ln; i++) {
                if (recursive) {
                    objects = objects.concat(self(name + '[' + i + ']', value[i], true));
                }
                else {
                    objects.push({
                        name: name,
                        value: value[i]
                    });
                }
            }
        }
        else if (Ext.isObject(value)) {
            for (i in value) {
                if (value.hasOwnProperty(i)) {
                    if (recursive) {
                        objects = objects.concat(self(name + '[' + i + ']', value[i], true));
                    }
                    else {
                        objects.push({
                            name: name,
                            value: value[i]
                        });
                    }
                }
            }
        }
        else {
            objects.push({
                name: name,
                value: value
            });
        }

        return objects;
    },

    /**
     * Takes an object and converts it to an encoded query string.
     *
     * Non-recursive:
     *
     *     Ext.Object.toQueryString({foo: 1, bar: 2}); // returns "foo=1&bar=2"
     *     Ext.Object.toQueryString({foo: null, bar: 2}); // returns "foo=&bar=2"
     *     Ext.Object.toQueryString({'some price': '$300'}); // returns "some%20price=%24300"
     *     Ext.Object.toQueryString({date: new Date(2011, 0, 1)}); // returns "date=%222011-01-01T00%3A00%3A00%22"
     *     Ext.Object.toQueryString({colors: ['red', 'green', 'blue']}); // returns "colors=red&colors=green&colors=blue"
     *
     * Recursive:
     *
     *     Ext.Object.toQueryString({
     *         username: 'Jacky',
     *         dateOfBirth: {
     *             day: 1,
     *             month: 2,
     *             year: 1911
     *         },
     *         hobbies: ['coding', 'eating', 'sleeping', ['nested', 'stuff']]
     *     }, true); // returns the following string (broken down and url-decoded for ease of reading purpose):
     *     // username=Jacky
     *     //    &dateOfBirth[day]=1&dateOfBirth[month]=2&dateOfBirth[year]=1911
     *     //    &hobbies[0]=coding&hobbies[1]=eating&hobbies[2]=sleeping&hobbies[3][0]=nested&hobbies[3][1]=stuff
     *
     * @param {Object} object The object to encode
     * @param {Boolean} [recursive=false] Whether or not to interpret the object in recursive format.
     * (PHP / Ruby on Rails servers and similar).
     * @return {String} queryString
     */
    toQueryString: function(object, recursive) {
        var paramObjects = [],
            params = [],
            i, j, ln, paramObject, value;

        for (i in object) {
            if (object.hasOwnProperty(i)) {
                paramObjects = paramObjects.concat(ExtObject.toQueryObjects(i, object[i], recursive));
            }
        }

        for (j = 0, ln = paramObjects.length; j < ln; j++) {
            paramObject = paramObjects[j];
            value = paramObject.value;

            if (Ext.isEmpty(value)) {
                value = '';
            }
            else if (Ext.isDate(value)) {
                value = Ext.Date.toString(value);
            }

            params.push(encodeURIComponent(paramObject.name) + '=' + encodeURIComponent(String(value)));
        }

        return params.join('&');
    },

    /**
     * Converts a query string back into an object.
     *
     * Non-recursive:
     *
     *     Ext.Object.fromQueryString("foo=1&bar=2"); // returns {foo: 1, bar: 2}
     *     Ext.Object.fromQueryString("foo=&bar=2"); // returns {foo: null, bar: 2}
     *     Ext.Object.fromQueryString("some%20price=%24300"); // returns {'some price': '$300'}
     *     Ext.Object.fromQueryString("colors=red&colors=green&colors=blue"); // returns {colors: ['red', 'green', 'blue']}
     *
     * Recursive:
     *
     *     Ext.Object.fromQueryString(
     *         "username=Jacky&"+
     *         "dateOfBirth[day]=1&dateOfBirth[month]=2&dateOfBirth[year]=1911&"+
     *         "hobbies[0]=coding&hobbies[1]=eating&hobbies[2]=sleeping&"+
     *         "hobbies[3][0]=nested&hobbies[3][1]=stuff", true);
     *
     *     // returns
     *     {
     *         username: 'Jacky',
     *         dateOfBirth: {
     *             day: '1',
     *             month: '2',
     *             year: '1911'
     *         },
     *         hobbies: ['coding', 'eating', 'sleeping', ['nested', 'stuff']]
     *     }
     *
     * @param {String} queryString The query string to decode
     * @param {Boolean} [recursive=false] Whether or not to recursively decode the string. This format is supported by
     * PHP / Ruby on Rails servers and similar.
     * @return {Object}
     */
    fromQueryString: function(queryString, recursive) {
        var parts = queryString.replace(/^\?/, '').split('&'),
            object = {},
            temp, components, name, value, i, ln,
            part, j, subLn, matchedKeys, matchedName,
            keys, key, nextKey;

        for (i = 0, ln = parts.length; i < ln; i++) {
            part = parts[i];

            if (part.length > 0) {
                components = part.split('=');
                name = decodeURIComponent(components[0]);
                value = (components[1] !== undefined) ? decodeURIComponent(components[1]) : '';

                if (!recursive) {
                    if (object.hasOwnProperty(name)) {
                        if (!Ext.isArray(object[name])) {
                            object[name] = [object[name]];
                        }

                        object[name].push(value);
                    }
                    else {
                        object[name] = value;
                    }
                }
                else {
                    matchedKeys = name.match(/(\[):?([^\]]*)\]/g);
                    matchedName = name.match(/^([^\[]+)/);


                    name = matchedName[0];
                    keys = [];

                    if (matchedKeys === null) {
                        object[name] = value;
                        continue;
                    }

                    for (j = 0, subLn = matchedKeys.length; j < subLn; j++) {
                        key = matchedKeys[j];
                        key = (key.length === 2) ? '' : key.substring(1, key.length - 1);
                        keys.push(key);
                    }

                    keys.unshift(name);

                    temp = object;

                    for (j = 0, subLn = keys.length; j < subLn; j++) {
                        key = keys[j];

                        if (j === subLn - 1) {
                            if (Ext.isArray(temp) && key === '') {
                                temp.push(value);
                            }
                            else {
                                temp[key] = value;
                            }
                        }
                        else {
                            if (temp[key] === undefined || typeof temp[key] === 'string') {
                                nextKey = keys[j+1];

                                temp[key] = (Ext.isNumeric(nextKey) || nextKey === '') ? [] : {};
                            }

                            temp = temp[key];
                        }
                    }
                }
            }
        }

        return object;
    },

    /**
     * Iterates through an object and invokes the given callback function for each iteration.
     * The iteration can be stopped by returning `false` in the callback function. For example:
     *
     *     var person = {
     *         name: 'Jacky'
     *         hairColor: 'black'
     *         loves: ['food', 'sleeping', 'wife']
     *     };
     *
     *     Ext.Object.each(person, function(key, value, myself) {
     *         console.log(key + ":" + value);
     *
     *         if (key === 'hairColor') {
     *             return false; // stop the iteration
     *         }
     *     });
     *
     * @param {Object} object The object to iterate
     * @param {Function} fn The callback function.
     * @param {String} fn.key
     * @param {Object} fn.value
     * @param {Object} fn.object The object itself
     * @param {Object} [scope] The execution scope (`this`) of the callback function
     */
    each: function(object, fn, scope) {
        for (var property in object) {
            if (object.hasOwnProperty(property)) {
                if (fn.call(scope || object, property, object[property], object) === false) {
                    return;
                }
            }
        }
    },

    /**
     * Merges any number of objects recursively without referencing them or their children.
     *
     *     var extjs = {
     *         companyName: 'Ext JS',
     *         products: ['Ext JS', 'Ext GWT', 'Ext Designer'],
     *         isSuperCool: true,
     *         office: {
     *             size: 2000,
     *             location: 'Palo Alto',
     *             isFun: true
     *         }
     *     };
     *
     *     var newStuff = {
     *         companyName: 'Sencha Inc.',
     *         products: ['Ext JS', 'Ext GWT', 'Ext Designer', 'Sencha Touch', 'Sencha Animator'],
     *         office: {
     *             size: 40000,
     *             location: 'Redwood City'
     *         }
     *     };
     *
     *     var sencha = Ext.Object.merge(extjs, newStuff);
     *
     *     // extjs and sencha then equals to
     *     {
     *         companyName: 'Sencha Inc.',
     *         products: ['Ext JS', 'Ext GWT', 'Ext Designer', 'Sencha Touch', 'Sencha Animator'],
     *         isSuperCool: true,
     *         office: {
     *             size: 40000,
     *             location: 'Redwood City'
     *             isFun: true
     *         }
     *     }
     *
     * @param {Object...} object Any number of objects to merge.
     * @return {Object} merged The object that is created as a result of merging all the objects passed in.
     */
    merge: function(source) {
        var i = 1,
            ln = arguments.length,
            mergeFn = ExtObject.merge,
            cloneFn = Ext.clone,
            object, key, value, sourceKey;

        for (; i < ln; i++) {
            object = arguments[i];

            for (key in object) {
                value = object[key];
                if (value && value.constructor === Object) {
                    sourceKey = source[key];
                    if (sourceKey && sourceKey.constructor === Object) {
                        mergeFn(sourceKey, value);
                    }
                    else {
                        source[key] = cloneFn(value);
                    }
                }
                else {
                    source[key] = value;
                }
            }
        }

        return source;
    },

    /**
     * @private
     * @param source
     */
    mergeIf: function(source) {
        var i = 1,
            ln = arguments.length,
            cloneFn = Ext.clone,
            object, key, value;

        for (; i < ln; i++) {
            object = arguments[i];

            for (key in object) {
                if (!(key in source)) {
                    value = object[key];

                    if (value && value.constructor === Object) {
                        source[key] = cloneFn(value);
                    }
                    else {
                        source[key] = value;
                    }
                }
            }
        }

        return source;
    },

    /**
     * Returns the first matching key corresponding to the given value.
     * If no matching value is found, null is returned.
     *
     *     var person = {
     *         name: 'Jacky',
     *         loves: 'food'
     *     };
     *
     *     alert(Ext.Object.getKey(person, 'food')); // alerts 'loves'
     *
     * @param {Object} object
     * @param {Object} value The value to find
     */
    getKey: function(object, value) {
        for (var property in object) {
            if (object.hasOwnProperty(property) && object[property] === value) {
                return property;
            }
        }

        return null;
    },

    /**
     * Gets all values of the given object as an array.
     *
     *     var values = Ext.Object.getValues({
     *         name: 'Jacky',
     *         loves: 'food'
     *     }); // ['Jacky', 'food']
     *
     * @param {Object} object
     * @return {Array} An array of values from the object
     */
    getValues: function(object) {
        var values = [],
            property;

        for (property in object) {
            if (object.hasOwnProperty(property)) {
                values.push(object[property]);
            }
        }

        return values;
    },

    /**
     * Gets all keys of the given object as an array.
     *
     *     var values = Ext.Object.getKeys({
     *         name: 'Jacky',
     *         loves: 'food'
     *     }); // ['name', 'loves']
     *
     * @param {Object} object
     * @return {String[]} An array of keys from the object
     * @method
     */
    getKeys: (typeof Object.keys == 'function')
        ? function(object){
            if (!object) {
                return [];
            }
            return Object.keys(object);
        }
        : function(object) {
            var keys = [],
                property;

            for (property in object) {
                if (object.hasOwnProperty(property)) {
                    keys.push(property);
                }
            }

            return keys;
        },

    /**
     * Gets the total number of this object's own properties
     *
     *     var size = Ext.Object.getSize({
     *         name: 'Jacky',
     *         loves: 'food'
     *     }); // size equals 2
     *
     * @param {Object} object
     * @return {Number} size
     */
    getSize: function(object) {
        var size = 0,
            property;

        for (property in object) {
            if (object.hasOwnProperty(property)) {
                size++;
            }
        }

        return size;
    },

    /**
     * @private
     */
    classify: function(object) {
        var prototype = object,
            objectProperties = [],
            propertyClassesMap = {},
            objectClass = function() {
                var i = 0,
                    ln = objectProperties.length,
                    property;

                for (; i < ln; i++) {
                    property = objectProperties[i];
                    this[property] = new propertyClassesMap[property];
                }
            },
            key, value;

        for (key in object) {
            if (object.hasOwnProperty(key)) {
                value = object[key];

                if (value && value.constructor === Object) {
                    objectProperties.push(key);
                    propertyClassesMap[key] = ExtObject.classify(value);
                }
            }
        }

        objectClass.prototype = prototype;

        return objectClass;
    }
};

/**
 * A convenient alias method for {@link Ext.Object#merge}.
 *
 * @member Ext
 * @method merge
 * @inheritdoc Ext.Object#merge
 */
Ext.merge = Ext.Object.merge;

/**
 * @private
 */
Ext.mergeIf = Ext.Object.mergeIf;

/**
 *
 * @member Ext
 * @method urlEncode
 * @inheritdoc Ext.Object#toQueryString
 * @deprecated 4.0.0 Use {@link Ext.Object#toQueryString} instead
 */
Ext.urlEncode = function() {
    var args = Ext.Array.from(arguments),
        prefix = '';

    // Support for the old `pre` argument
    if ((typeof args[1] === 'string')) {
        prefix = args[1] + '&';
        args[1] = false;
    }

    return prefix + ExtObject.toQueryString.apply(ExtObject, args);
};

/**
 * Alias for {@link Ext.Object#fromQueryString}.
 *
 * @member Ext
 * @method urlDecode
 * @inheritdoc Ext.Object#fromQueryString
 * @deprecated 4.0.0 Use {@link Ext.Object#fromQueryString} instead
 */
Ext.urlDecode = function() {
    return ExtObject.fromQueryString.apply(ExtObject, arguments);
};

})();

//<localeInfo useApply="true" />
/**
 * @class Ext.Date
 * A set of useful static methods to deal with date
 * Note that if Ext.Date is required and loaded, it will copy all methods / properties to
 * this object for convenience
 *
 * The date parsing and formatting syntax contains a subset of
 * <a href="http://www.php.net/date">PHP's date() function</a>, and the formats that are
 * supported will provide results equivalent to their PHP versions.
 *
 * The following is a list of all currently supported formats:
 * <pre class="">
Format  Description                                                               Example returned values
------  -----------------------------------------------------------------------   -----------------------
  d     Day of the month, 2 digits with leading zeros                             01 to 31
  D     A short textual representation of the day of the week                     Mon to Sun
  j     Day of the month without leading zeros                                    1 to 31
  l     A full textual representation of the day of the week                      Sunday to Saturday
  N     ISO-8601 numeric representation of the day of the week                    1 (for Monday) through 7 (for Sunday)
  S     English ordinal suffix for the day of the month, 2 characters             st, nd, rd or th. Works well with j
  w     Numeric representation of the day of the week                             0 (for Sunday) to 6 (for Saturday)
  z     The day of the year (starting from 0)                                     0 to 364 (365 in leap years)
  W     ISO-8601 week number of year, weeks starting on Monday                    01 to 53
  F     A full textual representation of a month, such as January or March        January to December
  m     Numeric representation of a month, with leading zeros                     01 to 12
  M     A short textual representation of a month                                 Jan to Dec
  n     Numeric representation of a month, without leading zeros                  1 to 12
  t     Number of days in the given month                                         28 to 31
  L     Whether it&#39;s a leap year                                                  1 if it is a leap year, 0 otherwise.
  o     ISO-8601 year number (identical to (Y), but if the ISO week number (W)    Examples: 1998 or 2004
        belongs to the previous or next year, that year is used instead)
  Y     A full numeric representation of a year, 4 digits                         Examples: 1999 or 2003
  y     A two digit representation of a year                                      Examples: 99 or 03
  a     Lowercase Ante meridiem and Post meridiem                                 am or pm
  A     Uppercase Ante meridiem and Post meridiem                                 AM or PM
  g     12-hour format of an hour without leading zeros                           1 to 12
  G     24-hour format of an hour without leading zeros                           0 to 23
  h     12-hour format of an hour with leading zeros                              01 to 12
  H     24-hour format of an hour with leading zeros                              00 to 23
  i     Minutes, with leading zeros                                               00 to 59
  s     Seconds, with leading zeros                                               00 to 59
  u     Decimal fraction of a second                                              Examples:
        (minimum 1 digit, arbitrary number of digits allowed)                     001 (i.e. 0.001s) or
                                                                                  100 (i.e. 0.100s) or
                                                                                  999 (i.e. 0.999s) or
                                                                                  999876543210 (i.e. 0.999876543210s)
  O     Difference to Greenwich time (GMT) in hours and minutes                   Example: +1030
  P     Difference to Greenwich time (GMT) with colon between hours and minutes   Example: -08:00
  T     Timezone abbreviation of the machine running the code                     Examples: EST, MDT, PDT ...
  Z     Timezone offset in seconds (negative if west of UTC, positive if east)    -43200 to 50400
  c     ISO 8601 date
        Notes:                                                                    Examples:
        1) If unspecified, the month / day defaults to the current month / day,   1991 or
           the time defaults to midnight, while the timezone defaults to the      1992-10 or
           browser's timezone. If a time is specified, it must include both hours 1993-09-20 or
           and minutes. The "T" delimiter, seconds, milliseconds and timezone     1994-08-19T16:20+01:00 or
           are optional.                                                          1995-07-18T17:21:28-02:00 or
        2) The decimal fraction of a second, if specified, must contain at        1996-06-17T18:22:29.98765+03:00 or
           least 1 digit (there is no limit to the maximum number                 1997-05-16T19:23:30,12345-0400 or
           of digits allowed), and may be delimited by either a '.' or a ','      1998-04-15T20:24:31.2468Z or
        Refer to the examples on the right for the various levels of              1999-03-14T20:24:32Z or
        date-time granularity which are supported, or see                         2000-02-13T21:25:33
        http://www.w3.org/TR/NOTE-datetime for more info.                         2001-01-12 22:26:34
  U     Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)                1193432466 or -2138434463
  MS    Microsoft AJAX serialized dates                                           \/Date(1238606590509)\/ (i.e. UTC milliseconds since epoch) or
                                                                                  \/Date(1238606590509+0800)\/
</pre>
 *
 * Example usage (note that you must escape format specifiers with '\\' to render them as character literals):
 * <pre><code>
// Sample date:
// 'Wed Jan 10 2007 15:05:01 GMT-0600 (Central Standard Time)'

var dt = new Date('1/10/2007 03:05:01 PM GMT-0600');
console.log(Ext.Date.format(dt, 'Y-m-d'));                          // 2007-01-10
console.log(Ext.Date.format(dt, 'F j, Y, g:i a'));                  // January 10, 2007, 3:05 pm
console.log(Ext.Date.format(dt, 'l, \\t\\he jS \\of F Y h:i:s A')); // Wednesday, the 10th of January 2007 03:05:01 PM
</code></pre>
 *
 * Here are some standard date/time patterns that you might find helpful.  They
 * are not part of the source of Ext.Date, but to use them you can simply copy this
 * block of code into any script that is included after Ext.Date and they will also become
 * globally available on the Date object.  Feel free to add or remove patterns as needed in your code.
 * <pre><code>
Ext.Date.patterns = {
    ISO8601Long:"Y-m-d H:i:s",
    ISO8601Short:"Y-m-d",
    ShortDate: "n/j/Y",
    LongDate: "l, F d, Y",
    FullDateTime: "l, F d, Y g:i:s A",
    MonthDay: "F d",
    ShortTime: "g:i A",
    LongTime: "g:i:s A",
    SortableDateTime: "Y-m-d\\TH:i:s",
    UniversalSortableDateTime: "Y-m-d H:i:sO",
    YearMonth: "F, Y"
};
</code></pre>
 *
 * Example usage:
 * <pre><code>
var dt = new Date();
console.log(Ext.Date.format(dt, Ext.Date.patterns.ShortDate));
</code></pre>
 * <p>Developer-written, custom formats may be used by supplying both a formatting and a parsing function
 * which perform to specialized requirements. The functions are stored in {@link #parseFunctions} and {@link #formatFunctions}.</p>
 * @singleton
 */

/*
 * Most of the date-formatting functions below are the excellent work of Baron Schwartz.
 * (see http://www.xaprb.com/blog/2005/12/12/javascript-closures-for-runtime-efficiency/)
 * They generate precompiled functions from format patterns instead of parsing and
 * processing each pattern every time a date is formatted. These functions are available
 * on every Date object.
 */

(function() {

// create private copy of Ext's Ext.util.Format.format() method
// - to remove unnecessary dependency
// - to resolve namespace conflict with MS-Ajax's implementation
function xf(format) {
    var args = Array.prototype.slice.call(arguments, 1);
    return format.replace(/\{(\d+)\}/g, function(m, i) {
        return args[i];
    });
}

Ext.Date = {
    /**
     * Returns the current timestamp
     * @return {Number} The current timestamp
     * @method
     */
    now: Date.now || function() {
        return +new Date();
    },

    /**
     * @private
     * Private for now
     */
    toString: function(date) {
        var pad = Ext.String.leftPad;

        return date.getFullYear() + "-"
            + pad(date.getMonth() + 1, 2, '0') + "-"
            + pad(date.getDate(), 2, '0') + "T"
            + pad(date.getHours(), 2, '0') + ":"
            + pad(date.getMinutes(), 2, '0') + ":"
            + pad(date.getSeconds(), 2, '0');
    },

    /**
     * Returns the number of milliseconds between two dates
     * @param {Date} dateA The first date
     * @param {Date} dateB (optional) The second date, defaults to now
     * @return {Number} The difference in milliseconds
     */
    getElapsed: function(dateA, dateB) {
        return Math.abs(dateA - (dateB || new Date()));
    },

    /**
     * Global flag which determines if strict date parsing should be used.
     * Strict date parsing will not roll-over invalid dates, which is the
     * default behaviour of javascript Date objects.
     * (see {@link #parse} for more information)
     * Defaults to <tt>false</tt>.
     * @type Boolean
    */
    useStrict: false,

    // private
    formatCodeToRegex: function(character, currentGroup) {
        // Note: currentGroup - position in regex result array (see notes for Ext.Date.parseCodes below)
        var p = utilDate.parseCodes[character];

        if (p) {
          p = typeof p == 'function'? p() : p;
          utilDate.parseCodes[character] = p; // reassign function result to prevent repeated execution
        }

        return p ? Ext.applyIf({
          c: p.c ? xf(p.c, currentGroup || "{0}") : p.c
        }, p) : {
            g: 0,
            c: null,
            s: Ext.String.escapeRegex(character) // treat unrecognised characters as literals
        };
    },

    /**
     * <p>An object hash in which each property is a date parsing function. The property name is the
     * format string which that function parses.</p>
     * <p>This object is automatically populated with date parsing functions as
     * date formats are requested for Ext standard formatting strings.</p>
     * <p>Custom parsing functions may be inserted into this object, keyed by a name which from then on
     * may be used as a format string to {@link #parse}.<p>
     * <p>Example:</p><pre><code>
Ext.Date.parseFunctions['x-date-format'] = myDateParser;
</code></pre>
     * <p>A parsing function should return a Date object, and is passed the following parameters:<div class="mdetail-params"><ul>
     * <li><code>date</code> : String<div class="sub-desc">The date string to parse.</div></li>
     * <li><code>strict</code> : Boolean<div class="sub-desc">True to validate date strings while parsing
     * (i.e. prevent javascript Date "rollover") (The default must be false).
     * Invalid date strings should return null when parsed.</div></li>
     * </ul></div></p>
     * <p>To enable Dates to also be <i>formatted</i> according to that format, a corresponding
     * formatting function must be placed into the {@link #formatFunctions} property.
     * @property parseFunctions
     * @type Object
     */
    parseFunctions: {
        "MS": function(input, strict) {
            // note: the timezone offset is ignored since the MS Ajax server sends
            // a UTC milliseconds-since-Unix-epoch value (negative values are allowed)
            var re = new RegExp('\\/Date\\(([-+])?(\\d+)(?:[+-]\\d{4})?\\)\\/');
            var r = (input || '').match(re);
            return r? new Date(((r[1] || '') + r[2]) * 1) : null;
        }
    },
    parseRegexes: [],

    /**
     * <p>An object hash in which each property is a date formatting function. The property name is the
     * format string which corresponds to the produced formatted date string.</p>
     * <p>This object is automatically populated with date formatting functions as
     * date formats are requested for Ext standard formatting strings.</p>
     * <p>Custom formatting functions may be inserted into this object, keyed by a name which from then on
     * may be used as a format string to {@link #format}. Example:</p><pre><code>
Ext.Date.formatFunctions['x-date-format'] = myDateFormatter;
</code></pre>
     * <p>A formatting function should return a string representation of the passed Date object, and is passed the following parameters:<div class="mdetail-params"><ul>
     * <li><code>date</code> : Date<div class="sub-desc">The Date to format.</div></li>
     * </ul></div></p>
     * <p>To enable date strings to also be <i>parsed</i> according to that format, a corresponding
     * parsing function must be placed into the {@link #parseFunctions} property.
     * @property formatFunctions
     * @type Object
     */
    formatFunctions: {
        "MS": function() {
            // UTC milliseconds since Unix epoch (MS-AJAX serialized date format (MRSF))
            return '\\/Date(' + this.getTime() + ')\\/';
        }
    },

    y2kYear : 50,

    /**
     * Date interval constant
     * @type String
     */
    MILLI : "ms",

    /**
     * Date interval constant
     * @type String
     */
    SECOND : "s",

    /**
     * Date interval constant
     * @type String
     */
    MINUTE : "mi",

    /** Date interval constant
     * @type String
     */
    HOUR : "h",

    /**
     * Date interval constant
     * @type String
     */
    DAY : "d",

    /**
     * Date interval constant
     * @type String
     */
    MONTH : "mo",

    /**
     * Date interval constant
     * @type String
     */
    YEAR : "y",

    /**
     * <p>An object hash containing default date values used during date parsing.</p>
     * <p>The following properties are available:<div class="mdetail-params"><ul>
     * <li><code>y</code> : Number<div class="sub-desc">The default year value. (defaults to undefined)</div></li>
     * <li><code>m</code> : Number<div class="sub-desc">The default 1-based month value. (defaults to undefined)</div></li>
     * <li><code>d</code> : Number<div class="sub-desc">The default day value. (defaults to undefined)</div></li>
     * <li><code>h</code> : Number<div class="sub-desc">The default hour value. (defaults to undefined)</div></li>
     * <li><code>i</code> : Number<div class="sub-desc">The default minute value. (defaults to undefined)</div></li>
     * <li><code>s</code> : Number<div class="sub-desc">The default second value. (defaults to undefined)</div></li>
     * <li><code>ms</code> : Number<div class="sub-desc">The default millisecond value. (defaults to undefined)</div></li>
     * </ul></div></p>
     * <p>Override these properties to customize the default date values used by the {@link #parse} method.</p>
     * <p><b>Note: In countries which experience Daylight Saving Time (i.e. DST), the <tt>h</tt>, <tt>i</tt>, <tt>s</tt>
     * and <tt>ms</tt> properties may coincide with the exact time in which DST takes effect.
     * It is the responsiblity of the developer to account for this.</b></p>
     * Example Usage:
     * <pre><code>
// set default day value to the first day of the month
Ext.Date.defaults.d = 1;

// parse a February date string containing only year and month values.
// setting the default day value to 1 prevents weird date rollover issues
// when attempting to parse the following date string on, for example, March 31st 2009.
Ext.Date.parse('2009-02', 'Y-m'); // returns a Date object representing February 1st 2009
</code></pre>
     * @property defaults
     * @type Object
     */
    defaults: {},

    /**
     * @property {String[]} dayNames
     * An array of textual day names.
     * Override these values for international dates.
     * Example:
     * <pre><code>
Ext.Date.dayNames = [
    'SundayInYourLang',
    'MondayInYourLang',
    ...
];
</code></pre>
     */
    //<locale type="array">
    dayNames : [
        "Sunday",
        "Monday",
        "Tuesday",
        "Wednesday",
        "Thursday",
        "Friday",
        "Saturday"
    ],
    //</locale>

    /**
     * @property {String[]} monthNames
     * An array of textual month names.
     * Override these values for international dates.
     * Example:
     * <pre><code>
Ext.Date.monthNames = [
    'JanInYourLang',
    'FebInYourLang',
    ...
];
</code></pre>
     */
    //<locale type="array">
    monthNames : [
        "January",
        "February",
        "March",
        "April",
        "May",
        "June",
        "July",
        "August",
        "September",
        "October",
        "November",
        "December"
    ],
    //</locale>

    /**
     * @property {Object} monthNumbers
     * An object hash of zero-based javascript month numbers (with short month names as keys. note: keys are case-sensitive).
     * Override these values for international dates.
     * Example:
     * <pre><code>
Ext.Date.monthNumbers = {
    'ShortJanNameInYourLang':0,
    'ShortFebNameInYourLang':1,
    ...
};
</code></pre>
     */
    //<locale type="object">
    monthNumbers : {
        Jan:0,
        Feb:1,
        Mar:2,
        Apr:3,
        May:4,
        Jun:5,
        Jul:6,
        Aug:7,
        Sep:8,
        Oct:9,
        Nov:10,
        Dec:11
    },
    //</locale>
    
    /**
     * @property {String} defaultFormat
     * <p>The date format string that the {@link Ext.util.Format#dateRenderer}
     * and {@link Ext.util.Format#date} functions use.  See {@link Ext.Date} for details.</p>
     * <p>This may be overridden in a locale file.</p>
     */
    //<locale>
    defaultFormat : "m/d/Y",
    //</locale>
    /**
     * Get the short month name for the given month number.
     * Override this function for international dates.
     * @param {Number} month A zero-based javascript month number.
     * @return {String} The short month name.
     */
    //<locale type="function">
    getShortMonthName : function(month) {
        return Ext.Date.monthNames[month].substring(0, 3);
    },
    //</locale>

    /**
     * Get the short day name for the given day number.
     * Override this function for international dates.
     * @param {Number} day A zero-based javascript day number.
     * @return {String} The short day name.
     */
    //<locale type="function">
    getShortDayName : function(day) {
        return Ext.Date.dayNames[day].substring(0, 3);
    },
    //</locale>

    /**
     * Get the zero-based javascript month number for the given short/full month name.
     * Override this function for international dates.
     * @param {String} name The short/full month name.
     * @return {Number} The zero-based javascript month number.
     */
    //<locale type="function">
    getMonthNumber : function(name) {
        // handle camel casing for english month names (since the keys for the Ext.Date.monthNumbers hash are case sensitive)
        return Ext.Date.monthNumbers[name.substring(0, 1).toUpperCase() + name.substring(1, 3).toLowerCase()];
    },
    //</locale>

    /**
     * Checks if the specified format contains hour information
     * @param {String} format The format to check
     * @return {Boolean} True if the format contains hour information
     * @method
     */
    formatContainsHourInfo : (function(){
        var stripEscapeRe = /(\\.)/g,
            hourInfoRe = /([gGhHisucUOPZ]|MS)/;
        return function(format){
            return hourInfoRe.test(format.replace(stripEscapeRe, ''));
        };
    })(),

    /**
     * Checks if the specified format contains information about
     * anything other than the time.
     * @param {String} format The format to check
     * @return {Boolean} True if the format contains information about
     * date/day information.
     * @method
     */
    formatContainsDateInfo : (function(){
        var stripEscapeRe = /(\\.)/g,
            dateInfoRe = /([djzmnYycU]|MS)/;

        return function(format){
            return dateInfoRe.test(format.replace(stripEscapeRe, ''));
        };
    })(),

    /**
     * The base format-code to formatting-function hashmap used by the {@link #format} method.
     * Formatting functions are strings (or functions which return strings) which
     * will return the appropriate value when evaluated in the context of the Date object
     * from which the {@link #format} method is called.
     * Add to / override these mappings for custom date formatting.
     * Note: Ext.Date.format() treats characters as literals if an appropriate mapping cannot be found.
     * Example:
     * <pre><code>
Ext.Date.formatCodes.x = "Ext.util.Format.leftPad(this.getDate(), 2, '0')";
console.log(Ext.Date.format(new Date(), 'X'); // returns the current day of the month
</code></pre>
     * @type Object
     */
    formatCodes : {
        d: "Ext.String.leftPad(this.getDate(), 2, '0')",
        D: "Ext.Date.getShortDayName(this.getDay())", // get localised short day name
        j: "this.getDate()",
        l: "Ext.Date.dayNames[this.getDay()]",
        N: "(this.getDay() ? this.getDay() : 7)",
        S: "Ext.Date.getSuffix(this)",
        w: "this.getDay()",
        z: "Ext.Date.getDayOfYear(this)",
        W: "Ext.String.leftPad(Ext.Date.getWeekOfYear(this), 2, '0')",
        F: "Ext.Date.monthNames[this.getMonth()]",
        m: "Ext.String.leftPad(this.getMonth() + 1, 2, '0')",
        M: "Ext.Date.getShortMonthName(this.getMonth())", // get localised short month name
        n: "(this.getMonth() + 1)",
        t: "Ext.Date.getDaysInMonth(this)",
        L: "(Ext.Date.isLeapYear(this) ? 1 : 0)",
        o: "(this.getFullYear() + (Ext.Date.getWeekOfYear(this) == 1 && this.getMonth() > 0 ? +1 : (Ext.Date.getWeekOfYear(this) >= 52 && this.getMonth() < 11 ? -1 : 0)))",
        Y: "Ext.String.leftPad(this.getFullYear(), 4, '0')",
        y: "('' + this.getFullYear()).substring(2, 4)",
        a: "(this.getHours() < 12 ? 'am' : 'pm')",
        A: "(this.getHours() < 12 ? 'AM' : 'PM')",
        g: "((this.getHours() % 12) ? this.getHours() % 12 : 12)",
        G: "this.getHours()",
        h: "Ext.String.leftPad((this.getHours() % 12) ? this.getHours() % 12 : 12, 2, '0')",
        H: "Ext.String.leftPad(this.getHours(), 2, '0')",
        i: "Ext.String.leftPad(this.getMinutes(), 2, '0')",
        s: "Ext.String.leftPad(this.getSeconds(), 2, '0')",
        u: "Ext.String.leftPad(this.getMilliseconds(), 3, '0')",
        O: "Ext.Date.getGMTOffset(this)",
        P: "Ext.Date.getGMTOffset(this, true)",
        T: "Ext.Date.getTimezone(this)",
        Z: "(this.getTimezoneOffset() * -60)",

        c: function() { // ISO-8601 -- GMT format
            for (var c = "Y-m-dTH:i:sP", code = [], i = 0, l = c.length; i < l; ++i) {
                var e = c.charAt(i);
                code.push(e == "T" ? "'T'" : utilDate.getFormatCode(e)); // treat T as a character literal
            }
            return code.join(" + ");
        },
        /*
        c: function() { // ISO-8601 -- UTC format
            return [
              "this.getUTCFullYear()", "'-'",
              "Ext.util.Format.leftPad(this.getUTCMonth() + 1, 2, '0')", "'-'",
              "Ext.util.Format.leftPad(this.getUTCDate(), 2, '0')",
              "'T'",
              "Ext.util.Format.leftPad(this.getUTCHours(), 2, '0')", "':'",
              "Ext.util.Format.leftPad(this.getUTCMinutes(), 2, '0')", "':'",
              "Ext.util.Format.leftPad(this.getUTCSeconds(), 2, '0')",
              "'Z'"
            ].join(" + ");
        },
        */

        U: "Math.round(this.getTime() / 1000)"
    },

    /**
     * Checks if the passed Date parameters will cause a javascript Date "rollover".
     * @param {Number} year 4-digit year
     * @param {Number} month 1-based month-of-year
     * @param {Number} day Day of month
     * @param {Number} hour (optional) Hour
     * @param {Number} minute (optional) Minute
     * @param {Number} second (optional) Second
     * @param {Number} millisecond (optional) Millisecond
     * @return {Boolean} true if the passed parameters do not cause a Date "rollover", false otherwise.
     */
    isValid : function(y, m, d, h, i, s, ms) {
        // setup defaults
        h = h || 0;
        i = i || 0;
        s = s || 0;
        ms = ms || 0;

        // Special handling for year < 100
        var dt = utilDate.add(new Date(y < 100 ? 100 : y, m - 1, d, h, i, s, ms), utilDate.YEAR, y < 100 ? y - 100 : 0);

        return y == dt.getFullYear() &&
            m == dt.getMonth() + 1 &&
            d == dt.getDate() &&
            h == dt.getHours() &&
            i == dt.getMinutes() &&
            s == dt.getSeconds() &&
            ms == dt.getMilliseconds();
    },

    /**
     * Parses the passed string using the specified date format.
     * Note that this function expects normal calendar dates, meaning that months are 1-based (i.e. 1 = January).
     * The {@link #defaults} hash will be used for any date value (i.e. year, month, day, hour, minute, second or millisecond)
     * which cannot be found in the passed string. If a corresponding default date value has not been specified in the {@link #defaults} hash,
     * the current date's year, month, day or DST-adjusted zero-hour time value will be used instead.
     * Keep in mind that the input date string must precisely match the specified format string
     * in order for the parse operation to be successful (failed parse operations return a null value).
     * <p>Example:</p><pre><code>
//dt = Fri May 25 2007 (current date)
var dt = new Date();

//dt = Thu May 25 2006 (today&#39;s month/day in 2006)
dt = Ext.Date.parse("2006", "Y");

//dt = Sun Jan 15 2006 (all date parts specified)
dt = Ext.Date.parse("2006-01-15", "Y-m-d");

//dt = Sun Jan 15 2006 15:20:01
dt = Ext.Date.parse("2006-01-15 3:20:01 PM", "Y-m-d g:i:s A");

// attempt to parse Sun Feb 29 2006 03:20:01 in strict mode
dt = Ext.Date.parse("2006-02-29 03:20:01", "Y-m-d H:i:s", true); // returns null
</code></pre>
     * @param {String} input The raw date string.
     * @param {String} format The expected date string format.
     * @param {Boolean} strict (optional) True to validate date strings while parsing (i.e. prevents javascript Date "rollover")
                        (defaults to false). Invalid date strings will return null when parsed.
     * @return {Date} The parsed Date.
     */
    parse : function(input, format, strict) {
        var p = utilDate.parseFunctions;
        if (p[format] == null) {
            utilDate.createParser(format);
        }
        return p[format](input, Ext.isDefined(strict) ? strict : utilDate.useStrict);
    },

    // Backwards compat
    parseDate: function(input, format, strict){
        return utilDate.parse(input, format, strict);
    },


    // private
    getFormatCode : function(character) {
        var f = utilDate.formatCodes[character];

        if (f) {
          f = typeof f == 'function'? f() : f;
          utilDate.formatCodes[character] = f; // reassign function result to prevent repeated execution
        }

        // note: unknown characters are treated as literals
        return f || ("'" + Ext.String.escape(character) + "'");
    },

    // private
    createFormat : function(format) {
        var code = [],
            special = false,
            ch = '';

        for (var i = 0; i < format.length; ++i) {
            ch = format.charAt(i);
            if (!special && ch == "\\") {
                special = true;
            } else if (special) {
                special = false;
                code.push("'" + Ext.String.escape(ch) + "'");
            } else {
                code.push(utilDate.getFormatCode(ch));
            }
        }
        utilDate.formatFunctions[format] = Ext.functionFactory("return " + code.join('+'));
    },

    // private
    createParser : (function() {
        var code = [
            "var dt, y, m, d, h, i, s, ms, o, z, zz, u, v,",
                "def = Ext.Date.defaults,",
                "results = String(input).match(Ext.Date.parseRegexes[{0}]);", // either null, or an array of matched strings

            "if(results){",
                "{1}",

                "if(u != null){", // i.e. unix time is defined
                    "v = new Date(u * 1000);", // give top priority to UNIX time
                "}else{",
                    // create Date object representing midnight of the current day;
                    // this will provide us with our date defaults
                    // (note: clearTime() handles Daylight Saving Time automatically)
                    "dt = Ext.Date.clearTime(new Date);",

                    // date calculations (note: these calculations create a dependency on Ext.Number.from())
                    "y = Ext.Number.from(y, Ext.Number.from(def.y, dt.getFullYear()));",
                    "m = Ext.Number.from(m, Ext.Number.from(def.m - 1, dt.getMonth()));",
                    "d = Ext.Number.from(d, Ext.Number.from(def.d, dt.getDate()));",

                    // time calculations (note: these calculations create a dependency on Ext.Number.from())
                    "h  = Ext.Number.from(h, Ext.Number.from(def.h, dt.getHours()));",
                    "i  = Ext.Number.from(i, Ext.Number.from(def.i, dt.getMinutes()));",
                    "s  = Ext.Number.from(s, Ext.Number.from(def.s, dt.getSeconds()));",
                    "ms = Ext.Number.from(ms, Ext.Number.from(def.ms, dt.getMilliseconds()));",

                    "if(z >= 0 && y >= 0){",
                        // both the year and zero-based day of year are defined and >= 0.
                        // these 2 values alone provide sufficient info to create a full date object

                        // create Date object representing January 1st for the given year
                        // handle years < 100 appropriately
                        "v = Ext.Date.add(new Date(y < 100 ? 100 : y, 0, 1, h, i, s, ms), Ext.Date.YEAR, y < 100 ? y - 100 : 0);",

                        // then add day of year, checking for Date "rollover" if necessary
                        "v = !strict? v : (strict === true && (z <= 364 || (Ext.Date.isLeapYear(v) && z <= 365))? Ext.Date.add(v, Ext.Date.DAY, z) : null);",
                    "}else if(strict === true && !Ext.Date.isValid(y, m + 1, d, h, i, s, ms)){", // check for Date "rollover"
                        "v = null;", // invalid date, so return null
                    "}else{",
                        // plain old Date object
                        // handle years < 100 properly
                        "v = Ext.Date.add(new Date(y < 100 ? 100 : y, m, d, h, i, s, ms), Ext.Date.YEAR, y < 100 ? y - 100 : 0);",
                    "}",
                "}",
            "}",

            "if(v){",
                // favour UTC offset over GMT offset
                "if(zz != null){",
                    // reset to UTC, then add offset
                    "v = Ext.Date.add(v, Ext.Date.SECOND, -v.getTimezoneOffset() * 60 - zz);",
                "}else if(o){",
                    // reset to GMT, then add offset
                    "v = Ext.Date.add(v, Ext.Date.MINUTE, -v.getTimezoneOffset() + (sn == '+'? -1 : 1) * (hr * 60 + mn));",
                "}",
            "}",

            "return v;"
        ].join('\n');

        return function(format) {
            var regexNum = utilDate.parseRegexes.length,
                currentGroup = 1,
                calc = [],
                regex = [],
                special = false,
                ch = "",
                i = 0,
                len = format.length,
                atEnd = [],
                obj;

            for (; i < len; ++i) {
                ch = format.charAt(i);
                if (!special && ch == "\\") {
                    special = true;
                } else if (special) {
                    special = false;
                    regex.push(Ext.String.escape(ch));
                } else {
                    obj = utilDate.formatCodeToRegex(ch, currentGroup);
                    currentGroup += obj.g;
                    regex.push(obj.s);
                    if (obj.g && obj.c) {
                        if (obj.calcAtEnd) {
                            atEnd.push(obj.c);
                        } else {
                            calc.push(obj.c);
                        }
                    }
                }
            }
            
            calc = calc.concat(atEnd);

            utilDate.parseRegexes[regexNum] = new RegExp("^" + regex.join('') + "$", 'i');
            utilDate.parseFunctions[format] = Ext.functionFactory("input", "strict", xf(code, regexNum, calc.join('')));
        };
    })(),

    // private
    parseCodes : {
        /*
         * Notes:
         * g = {Number} calculation group (0 or 1. only group 1 contributes to date calculations.)
         * c = {String} calculation method (required for group 1. null for group 0. {0} = currentGroup - position in regex result array)
         * s = {String} regex pattern. all matches are stored in results[], and are accessible by the calculation mapped to 'c'
         */
        d: {
            g:1,
            c:"d = parseInt(results[{0}], 10);\n",
            s:"(3[0-1]|[1-2][0-9]|0[1-9])" // day of month with leading zeroes (01 - 31)
        },
        j: {
            g:1,
            c:"d = parseInt(results[{0}], 10);\n",
            s:"(3[0-1]|[1-2][0-9]|[1-9])" // day of month without leading zeroes (1 - 31)
        },
        D: function() {
            for (var a = [], i = 0; i < 7; a.push(utilDate.getShortDayName(i)), ++i); // get localised short day names
            return {
                g:0,
                c:null,
                s:"(?:" + a.join("|") +")"
            };
        },
        l: function() {
            return {
                g:0,
                c:null,
                s:"(?:" + utilDate.dayNames.join("|") + ")"
            };
        },
        N: {
            g:0,
            c:null,
            s:"[1-7]" // ISO-8601 day number (1 (monday) - 7 (sunday))
        },
        //<locale type="object" property="parseCodes">
        S: {
            g:0,
            c:null,
            s:"(?:st|nd|rd|th)"
        },
        //</locale>
        w: {
            g:0,
            c:null,
            s:"[0-6]" // javascript day number (0 (sunday) - 6 (saturday))
        },
        z: {
            g:1,
            c:"z = parseInt(results[{0}], 10);\n",
            s:"(\\d{1,3})" // day of the year (0 - 364 (365 in leap years))
        },
        W: {
            g:0,
            c:null,
            s:"(?:\\d{2})" // ISO-8601 week number (with leading zero)
        },
        F: function() {
            return {
                g:1,
                c:"m = parseInt(Ext.Date.getMonthNumber(results[{0}]), 10);\n", // get localised month number
                s:"(" + utilDate.monthNames.join("|") + ")"
            };
        },
        M: function() {
            for (var a = [], i = 0; i < 12; a.push(utilDate.getShortMonthName(i)), ++i); // get localised short month names
            return Ext.applyIf({
                s:"(" + a.join("|") + ")"
            }, utilDate.formatCodeToRegex("F"));
        },
        m: {
            g:1,
            c:"m = parseInt(results[{0}], 10) - 1;\n",
            s:"(1[0-2]|0[1-9])" // month number with leading zeros (01 - 12)
        },
        n: {
            g:1,
            c:"m = parseInt(results[{0}], 10) - 1;\n",
            s:"(1[0-2]|[1-9])" // month number without leading zeros (1 - 12)
        },
        t: {
            g:0,
            c:null,
            s:"(?:\\d{2})" // no. of days in the month (28 - 31)
        },
        L: {
            g:0,
            c:null,
            s:"(?:1|0)"
        },
        o: function() {
            return utilDate.formatCodeToRegex("Y");
        },
        Y: {
            g:1,
            c:"y = parseInt(results[{0}], 10);\n",
            s:"(\\d{4})" // 4-digit year
        },
        y: {
            g:1,
            c:"var ty = parseInt(results[{0}], 10);\n"
                + "y = ty > Ext.Date.y2kYear ? 1900 + ty : 2000 + ty;\n", // 2-digit year
            s:"(\\d{1,2})"
        },
        /*
         * In the am/pm parsing routines, we allow both upper and lower case
         * even though it doesn't exactly match the spec. It gives much more flexibility
         * in being able to specify case insensitive regexes.
         */
        a: {
            g:1,
            c:"if (/(am)/i.test(results[{0}])) {\n"
                + "if (!h || h == 12) { h = 0; }\n"
                + "} else { if (!h || h < 12) { h = (h || 0) + 12; }}",
            s:"(am|pm|AM|PM)",
            calcAtEnd: true
        },
        A: {
            g:1,
            c:"if (/(am)/i.test(results[{0}])) {\n"
                + "if (!h || h == 12) { h = 0; }\n"
                + "} else { if (!h || h < 12) { h = (h || 0) + 12; }}",
            s:"(AM|PM|am|pm)",
            calcAtEnd: true
        },
        g: {
            g:1,
            c:"h = parseInt(results[{0}], 10);\n",
            s:"(1[0-2]|[0-9])" //  12-hr format of an hour without leading zeroes (1 - 12)
        },
        G: {
            g:1,
            c:"h = parseInt(results[{0}], 10);\n",
            s:"(2[0-3]|1[0-9]|[0-9])" // 24-hr format of an hour without leading zeroes (0 - 23)
        },
        h: {
            g:1,
            c:"h = parseInt(results[{0}], 10);\n",
            s:"(1[0-2]|0[1-9])" //  12-hr format of an hour with leading zeroes (01 - 12)
        },
        H: {
            g:1,
            c:"h = parseInt(results[{0}], 10);\n",
            s:"(2[0-3]|[0-1][0-9])" //  24-hr format of an hour with leading zeroes (00 - 23)
        },
        i: {
            g:1,
            c:"i = parseInt(results[{0}], 10);\n",
            s:"([0-5][0-9])" // minutes with leading zeros (00 - 59)
        },
        s: {
            g:1,
            c:"s = parseInt(results[{0}], 10);\n",
            s:"([0-5][0-9])" // seconds with leading zeros (00 - 59)
        },
        u: {
            g:1,
            c:"ms = results[{0}]; ms = parseInt(ms, 10)/Math.pow(10, ms.length - 3);\n",
            s:"(\\d+)" // decimal fraction of a second (minimum = 1 digit, maximum = unlimited)
        },
        O: {
            g:1,
            c:[
                "o = results[{0}];",
                "var sn = o.substring(0,1),", // get + / - sign
                    "hr = o.substring(1,3)*1 + Math.floor(o.substring(3,5) / 60),", // get hours (performs minutes-to-hour conversion also, just in case)
                    "mn = o.substring(3,5) % 60;", // get minutes
                "o = ((-12 <= (hr*60 + mn)/60) && ((hr*60 + mn)/60 <= 14))? (sn + Ext.String.leftPad(hr, 2, '0') + Ext.String.leftPad(mn, 2, '0')) : null;\n" // -12hrs <= GMT offset <= 14hrs
            ].join("\n"),
            s: "([+\-]\\d{4})" // GMT offset in hrs and mins
        },
        P: {
            g:1,
            c:[
                "o = results[{0}];",
                "var sn = o.substring(0,1),", // get + / - sign
                    "hr = o.substring(1,3)*1 + Math.floor(o.substring(4,6) / 60),", // get hours (performs minutes-to-hour conversion also, just in case)
                    "mn = o.substring(4,6) % 60;", // get minutes
                "o = ((-12 <= (hr*60 + mn)/60) && ((hr*60 + mn)/60 <= 14))? (sn + Ext.String.leftPad(hr, 2, '0') + Ext.String.leftPad(mn, 2, '0')) : null;\n" // -12hrs <= GMT offset <= 14hrs
            ].join("\n"),
            s: "([+\-]\\d{2}:\\d{2})" // GMT offset in hrs and mins (with colon separator)
        },
        T: {
            g:0,
            c:null,
            s:"[A-Z]{1,4}" // timezone abbrev. may be between 1 - 4 chars
        },
        Z: {
            g:1,
            c:"zz = results[{0}] * 1;\n" // -43200 <= UTC offset <= 50400
                  + "zz = (-43200 <= zz && zz <= 50400)? zz : null;\n",
            s:"([+\-]?\\d{1,5})" // leading '+' sign is optional for UTC offset
        },
        c: function() {
            var calc = [],
                arr = [
                    utilDate.formatCodeToRegex("Y", 1), // year
                    utilDate.formatCodeToRegex("m", 2), // month
                    utilDate.formatCodeToRegex("d", 3), // day
                    utilDate.formatCodeToRegex("H", 4), // hour
                    utilDate.formatCodeToRegex("i", 5), // minute
                    utilDate.formatCodeToRegex("s", 6), // second
                    {c:"ms = results[7] || '0'; ms = parseInt(ms, 10)/Math.pow(10, ms.length - 3);\n"}, // decimal fraction of a second (minimum = 1 digit, maximum = unlimited)
                    {c:[ // allow either "Z" (i.e. UTC) or "-0530" or "+08:00" (i.e. UTC offset) timezone delimiters. assumes local timezone if no timezone is specified
                        "if(results[8]) {", // timezone specified
                            "if(results[8] == 'Z'){",
                                "zz = 0;", // UTC
                            "}else if (results[8].indexOf(':') > -1){",
                                utilDate.formatCodeToRegex("P", 8).c, // timezone offset with colon separator
                            "}else{",
                                utilDate.formatCodeToRegex("O", 8).c, // timezone offset without colon separator
                            "}",
                        "}"
                    ].join('\n')}
                ];

            for (var i = 0, l = arr.length; i < l; ++i) {
                calc.push(arr[i].c);
            }

            return {
                g:1,
                c:calc.join(""),
                s:[
                    arr[0].s, // year (required)
                    "(?:", "-", arr[1].s, // month (optional)
                        "(?:", "-", arr[2].s, // day (optional)
                            "(?:",
                                "(?:T| )?", // time delimiter -- either a "T" or a single blank space
                                arr[3].s, ":", arr[4].s,  // hour AND minute, delimited by a single colon (optional). MUST be preceded by either a "T" or a single blank space
                                "(?::", arr[5].s, ")?", // seconds (optional)
                                "(?:(?:\\.|,)(\\d+))?", // decimal fraction of a second (e.g. ",12345" or ".98765") (optional)
                                "(Z|(?:[-+]\\d{2}(?::)?\\d{2}))?", // "Z" (UTC) or "-0530" (UTC offset without colon delimiter) or "+08:00" (UTC offset with colon delimiter) (optional)
                            ")?",
                        ")?",
                    ")?"
                ].join("")
            };
        },
        U: {
            g:1,
            c:"u = parseInt(results[{0}], 10);\n",
            s:"(-?\\d+)" // leading minus sign indicates seconds before UNIX epoch
        }
    },

    //Old Ext.Date prototype methods.
    // private
    dateFormat: function(date, format) {
        return utilDate.format(date, format);
    },

    /**
     * Compares if two dates are equal by comparing their values.
     * @param {Date} date1
     * @param {Date} date2
     * @return {Boolean} True if the date values are equal
     */
    isEqual: function(date1, date2) {
        // check we have 2 date objects
        if (date1 && date2) {
            return (date1.getTime() === date2.getTime());
        }
        // one or both isn't a date, only equal if both are falsey
        return !(date1 || date2);
    },

    /**
     * Formats a date given the supplied format string.
     * @param {Date} date The date to format
     * @param {String} format The format string
     * @return {String} The formatted date
     */
    format: function(date, format) {
        if (utilDate.formatFunctions[format] == null) {
            utilDate.createFormat(format);
        }
        var result = utilDate.formatFunctions[format].call(date);
        return result + '';
    },

    /**
     * Get the timezone abbreviation of the current date (equivalent to the format specifier 'T').
     *
     * Note: The date string returned by the javascript Date object's toString() method varies
     * between browsers (e.g. FF vs IE) and system region settings (e.g. IE in Asia vs IE in America).
     * For a given date string e.g. "Thu Oct 25 2007 22:55:35 GMT+0800 (Malay Peninsula Standard Time)",
     * getTimezone() first tries to get the timezone abbreviation from between a pair of parentheses
     * (which may or may not be present), failing which it proceeds to get the timezone abbreviation
     * from the GMT offset portion of the date string.
     * @param {Date} date The date
     * @return {String} The abbreviated timezone name (e.g. 'CST', 'PDT', 'EDT', 'MPST' ...).
     */
    getTimezone : function(date) {
        // the following list shows the differences between date strings from different browsers on a WinXP SP2 machine from an Asian locale:
        //
        // Opera  : "Thu, 25 Oct 2007 22:53:45 GMT+0800" -- shortest (weirdest) date string of the lot
        // Safari : "Thu Oct 25 2007 22:55:35 GMT+0800 (Malay Peninsula Standard Time)" -- value in parentheses always gives the correct timezone (same as FF)
        // FF     : "Thu Oct 25 2007 22:55:35 GMT+0800 (Malay Peninsula Standard Time)" -- value in parentheses always gives the correct timezone
        // IE     : "Thu Oct 25 22:54:35 UTC+0800 2007" -- (Asian system setting) look for 3-4 letter timezone abbrev
        // IE     : "Thu Oct 25 17:06:37 PDT 2007" -- (American system setting) look for 3-4 letter timezone abbrev
        //
        // this crazy regex attempts to guess the correct timezone abbreviation despite these differences.
        // step 1: (?:\((.*)\) -- find timezone in parentheses
        // step 2: ([A-Z]{1,4})(?:[\-+][0-9]{4})?(?: -?\d+)?) -- if nothing was found in step 1, find timezone from timezone offset portion of date string
        // step 3: remove all non uppercase characters found in step 1 and 2
        return date.toString().replace(/^.* (?:\((.*)\)|([A-Z]{1,4})(?:[\-+][0-9]{4})?(?: -?\d+)?)$/, "$1$2").replace(/[^A-Z]/g, "");
    },

    /**
     * Get the offset from GMT of the current date (equivalent to the format specifier 'O').
     * @param {Date} date The date
     * @param {Boolean} colon (optional) true to separate the hours and minutes with a colon (defaults to false).
     * @return {String} The 4-character offset string prefixed with + or - (e.g. '-0600').
     */
    getGMTOffset : function(date, colon) {
        var offset = date.getTimezoneOffset();
        return (offset > 0 ? "-" : "+")
            + Ext.String.leftPad(Math.floor(Math.abs(offset) / 60), 2, "0")
            + (colon ? ":" : "")
            + Ext.String.leftPad(Math.abs(offset % 60), 2, "0");
    },

    /**
     * Get the numeric day number of the year, adjusted for leap year.
     * @param {Date} date The date
     * @return {Number} 0 to 364 (365 in leap years).
     */
    getDayOfYear: function(date) {
        var num = 0,
            d = Ext.Date.clone(date),
            m = date.getMonth(),
            i;

        for (i = 0, d.setDate(1), d.setMonth(0); i < m; d.setMonth(++i)) {
            num += utilDate.getDaysInMonth(d);
        }
        return num + date.getDate() - 1;
    },

    /**
     * Get the numeric ISO-8601 week number of the year.
     * (equivalent to the format specifier 'W', but without a leading zero).
     * @param {Date} date The date
     * @return {Number} 1 to 53
     * @method
     */
    getWeekOfYear : (function() {
        // adapted from http://www.merlyn.demon.co.uk/weekcalc.htm
        var ms1d = 864e5, // milliseconds in a day
            ms7d = 7 * ms1d; // milliseconds in a week

        return function(date) { // return a closure so constants get calculated only once
            var DC3 = Date.UTC(date.getFullYear(), date.getMonth(), date.getDate() + 3) / ms1d, // an Absolute Day Number
                AWN = Math.floor(DC3 / 7), // an Absolute Week Number
                Wyr = new Date(AWN * ms7d).getUTCFullYear();

            return AWN - Math.floor(Date.UTC(Wyr, 0, 7) / ms7d) + 1;
        };
    })(),

    /**
     * Checks if the current date falls within a leap year.
     * @param {Date} date The date
     * @return {Boolean} True if the current date falls within a leap year, false otherwise.
     */
    isLeapYear : function(date) {
        var year = date.getFullYear();
        return !!((year & 3) == 0 && (year % 100 || (year % 400 == 0 && year)));
    },

    /**
     * Get the first day of the current month, adjusted for leap year.  The returned value
     * is the numeric day index within the week (0-6) which can be used in conjunction with
     * the {@link #monthNames} array to retrieve the textual day name.
     * Example:
     * <pre><code>
var dt = new Date('1/10/2007'),
    firstDay = Ext.Date.getFirstDayOfMonth(dt);
console.log(Ext.Date.dayNames[firstDay]); //output: 'Monday'
     * </code></pre>
     * @param {Date} date The date
     * @return {Number} The day number (0-6).
     */
    getFirstDayOfMonth : function(date) {
        var day = (date.getDay() - (date.getDate() - 1)) % 7;
        return (day < 0) ? (day + 7) : day;
    },

    /**
     * Get the last day of the current month, adjusted for leap year.  The returned value
     * is the numeric day index within the week (0-6) which can be used in conjunction with
     * the {@link #monthNames} array to retrieve the textual day name.
     * Example:
     * <pre><code>
var dt = new Date('1/10/2007'),
    lastDay = Ext.Date.getLastDayOfMonth(dt);
console.log(Ext.Date.dayNames[lastDay]); //output: 'Wednesday'
     * </code></pre>
     * @param {Date} date The date
     * @return {Number} The day number (0-6).
     */
    getLastDayOfMonth : function(date) {
        return utilDate.getLastDateOfMonth(date).getDay();
    },


    /**
     * Get the date of the first day of the month in which this date resides.
     * @param {Date} date The date
     * @return {Date}
     */
    getFirstDateOfMonth : function(date) {
        return new Date(date.getFullYear(), date.getMonth(), 1);
    },

    /**
     * Get the date of the last day of the month in which this date resides.
     * @param {Date} date The date
     * @return {Date}
     */
    getLastDateOfMonth : function(date) {
        return new Date(date.getFullYear(), date.getMonth(), utilDate.getDaysInMonth(date));
    },

    /**
     * Get the number of days in the current month, adjusted for leap year.
     * @param {Date} date The date
     * @return {Number} The number of days in the month.
     * @method
     */
    getDaysInMonth: (function() {
        var daysInMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

        return function(date) { // return a closure for efficiency
            var m = date.getMonth();

            return m == 1 && utilDate.isLeapYear(date) ? 29 : daysInMonth[m];
        };
    })(),

    /**
     * Get the English ordinal suffix of the current day (equivalent to the format specifier 'S').
     * @param {Date} date The date
     * @return {String} 'st, 'nd', 'rd' or 'th'.
     */
    //<locale type="function">
    getSuffix : function(date) {
        switch (date.getDate()) {
            case 1:
            case 21:
            case 31:
                return "st";
            case 2:
            case 22:
                return "nd";
            case 3:
            case 23:
                return "rd";
            default:
                return "th";
        }
    },
    //</locale>

    /**
     * Creates and returns a new Date instance with the exact same date value as the called instance.
     * Dates are copied and passed by reference, so if a copied date variable is modified later, the original
     * variable will also be changed.  When the intention is to create a new variable that will not
     * modify the original instance, you should create a clone.
     *
     * Example of correctly cloning a date:
     * <pre><code>
//wrong way:
var orig = new Date('10/1/2006');
var copy = orig;
copy.setDate(5);
console.log(orig);  //returns 'Thu Oct 05 2006'!

//correct way:
var orig = new Date('10/1/2006'),
    copy = Ext.Date.clone(orig);
copy.setDate(5);
console.log(orig);  //returns 'Thu Oct 01 2006'
     * </code></pre>
     * @param {Date} date The date
     * @return {Date} The new Date instance.
     */
    clone : function(date) {
        return new Date(date.getTime());
    },

    /**
     * Checks if the current date is affected by Daylight Saving Time (DST).
     * @param {Date} date The date
     * @return {Boolean} True if the current date is affected by DST.
     */
    isDST : function(date) {
        // adapted from http://sencha.com/forum/showthread.php?p=247172#post247172
        // courtesy of @geoffrey.mcgill
        return new Date(date.getFullYear(), 0, 1).getTimezoneOffset() != date.getTimezoneOffset();
    },

    /**
     * Attempts to clear all time information from this Date by setting the time to midnight of the same day,
     * automatically adjusting for Daylight Saving Time (DST) where applicable.
     * (note: DST timezone information for the browser's host operating system is assumed to be up-to-date)
     * @param {Date} date The date
     * @param {Boolean} clone true to create a clone of this date, clear the time and return it (defaults to false).
     * @return {Date} this or the clone.
     */
    clearTime : function(date, clone) {
        if (clone) {
            return Ext.Date.clearTime(Ext.Date.clone(date));
        }

        // get current date before clearing time
        var d = date.getDate();

        // clear time
        date.setHours(0);
        date.setMinutes(0);
        date.setSeconds(0);
        date.setMilliseconds(0);

        if (date.getDate() != d) { // account for DST (i.e. day of month changed when setting hour = 0)
            // note: DST adjustments are assumed to occur in multiples of 1 hour (this is almost always the case)
            // refer to http://www.timeanddate.com/time/aboutdst.html for the (rare) exceptions to this rule

            // increment hour until cloned date == current date
            for (var hr = 1, c = utilDate.add(date, Ext.Date.HOUR, hr); c.getDate() != d; hr++, c = utilDate.add(date, Ext.Date.HOUR, hr));

            date.setDate(d);
            date.setHours(c.getHours());
        };

        return date;
    },

    /**
     * Provides a convenient method for performing basic date arithmetic. This method
     * does not modify the Date instance being called - it creates and returns
     * a new Date instance containing the resulting date value.
     *
     * Examples:
     * <pre><code>
// Basic usage:
var dt = Ext.Date.add(new Date('10/29/2006'), Ext.Date.DAY, 5);
console.log(dt); //returns 'Fri Nov 03 2006 00:00:00'

// Negative values will be subtracted:
var dt2 = Ext.Date.add(new Date('10/1/2006'), Ext.Date.DAY, -5);
console.log(dt2); //returns 'Tue Sep 26 2006 00:00:00'

     * </code></pre>
     *
     * @param {Date} date The date to modify
     * @param {String} interval A valid date interval enum value.
     * @param {Number} value The amount to add to the current date.
     * @return {Date} The new Date instance.
     */
    add : function(date, interval, value) {
        var d = Ext.Date.clone(date),
            Date = Ext.Date;
        if (!interval || value === 0) return d;

        switch(interval.toLowerCase()) {
            case Ext.Date.MILLI:
                d.setMilliseconds(d.getMilliseconds() + value);
                break;
            case Ext.Date.SECOND:
                d.setSeconds(d.getSeconds() + value);
                break;
            case Ext.Date.MINUTE:
                d.setMinutes(d.getMinutes() + value);
                break;
            case Ext.Date.HOUR:
                d.setHours(d.getHours() + value);
                break;
            case Ext.Date.DAY:
                d.setDate(d.getDate() + value);
                break;
            case Ext.Date.MONTH:
                var day = date.getDate();
                if (day > 28) {
                    day = Math.min(day, Ext.Date.getLastDateOfMonth(Ext.Date.add(Ext.Date.getFirstDateOfMonth(date), Ext.Date.MONTH, value)).getDate());
                }
                d.setDate(day);
                d.setMonth(date.getMonth() + value);
                break;
            case Ext.Date.YEAR:
                var day = date.getDate();
                if (day > 28) {
                    day = Math.min(day, Ext.Date.getLastDateOfMonth(Ext.Date.add(Ext.Date.getFirstDateOfMonth(date), Ext.Date.YEAR, value)).getDate());
                }
                d.setDate(day);
                d.setFullYear(date.getFullYear() + value);
                break;
        }
        return d;
    },

    /**
     * Checks if a date falls on or between the given start and end dates.
     * @param {Date} date The date to check
     * @param {Date} start Start date
     * @param {Date} end End date
     * @return {Boolean} true if this date falls on or between the given start and end dates.
     */
    between : function(date, start, end) {
        var t = date.getTime();
        return start.getTime() <= t && t <= end.getTime();
    },

    //Maintains compatibility with old static and prototype window.Date methods.
    compat: function() {
        var nativeDate = window.Date,
            p, u,
            statics = ['useStrict', 'formatCodeToRegex', 'parseFunctions', 'parseRegexes', 'formatFunctions', 'y2kYear', 'MILLI', 'SECOND', 'MINUTE', 'HOUR', 'DAY', 'MONTH', 'YEAR', 'defaults', 'dayNames', 'monthNames', 'monthNumbers', 'getShortMonthName', 'getShortDayName', 'getMonthNumber', 'formatCodes', 'isValid', 'parseDate', 'getFormatCode', 'createFormat', 'createParser', 'parseCodes'],
            proto = ['dateFormat', 'format', 'getTimezone', 'getGMTOffset', 'getDayOfYear', 'getWeekOfYear', 'isLeapYear', 'getFirstDayOfMonth', 'getLastDayOfMonth', 'getDaysInMonth', 'getSuffix', 'clone', 'isDST', 'clearTime', 'add', 'between'];
            sLen    = statics.length,
            pLen    = proto.length,
            stat, prot, s;

        //Append statics
        for (s = 0; s < sLen; s++) {
            stat = statics[s];
            nativeDate[stat] = utilDate[stat];
        }

        //Append to prototype
        for (p = 0; p < pLen; p++) {
            prot = proto[p];
            nativeDate.prototype[prot] = function() {
                var args = Array.prototype.slice.call(arguments);
                args.unshift(this);
                return utilDate[prot].apply(utilDate, args);
            };
        }
    }
};

var utilDate = Ext.Date;

})();

/**
 * @author Jacky Nguyen <jacky@sencha.com>
 * @docauthor Jacky Nguyen <jacky@sencha.com>
 * @class Ext.Base
 *
 * The root of all classes created with {@link Ext#define}.
 *
 * Ext.Base is the building block of all Ext classes. All classes in Ext inherit from Ext.Base.
 * All prototype and static members of this class are inherited by all other classes.
 */
(function(flexSetter) {

var noArgs = [],
    Base = function(){};

    // This is the "$previous" method of a hook function on an instance. When called, it
    // calls through the class prototype by the name of the called method.
    function callHookParent () {
        var method = callHookParent.caller.caller; // skip callParent (our caller)
        return method.$owner.prototype[method.$name].apply(this, arguments);
    }

    // These static properties will be copied to every newly created class with {@link Ext#define}
    Ext.apply(Base, {
        $className: 'Ext.Base',

        $isClass: true,

        /**
         * Create a new instance of this Class.
         *
         *     Ext.define('My.cool.Class', {
         *         ...
         *     });
         *
         *     My.cool.Class.create({
         *         someConfig: true
         *     });
         *
         * All parameters are passed to the constructor of the class.
         *
         * @return {Object} the created instance.
         * @static
         * @inheritable
         */
        create: function() {
            return Ext.create.apply(Ext, [this].concat(Array.prototype.slice.call(arguments, 0)));
        },

        /**
         * @private
         * @param config
         */
        extend: function(parent) {
            var parentPrototype = parent.prototype,
                basePrototype, prototype, i, ln, name, statics;

            prototype = this.prototype = Ext.Object.chain(parentPrototype);
            prototype.self = this;

            this.superclass = prototype.superclass = parentPrototype;

            if (!parent.$isClass) {
                basePrototype = Ext.Base.prototype;

                for (i in basePrototype) {
                    if (i in prototype) {
                        prototype[i] = basePrototype[i];
                    }
                }
            }

            // Statics inheritance
            statics = parentPrototype.$inheritableStatics;

            if (statics) {
                for (i = 0,ln = statics.length; i < ln; i++) {
                    name = statics[i];

                    if (!this.hasOwnProperty(name)) {
                        this[name] = parent[name];
                    }
                }
            }

            if (parent.$onExtended) {
                this.$onExtended = parent.$onExtended.slice();
            }

            prototype.config = new prototype.configClass;
            prototype.initConfigList = prototype.initConfigList.slice();
            prototype.initConfigMap = Ext.clone(prototype.initConfigMap);
            prototype.configMap = Ext.Object.chain(prototype.configMap);
        },

        /**
         * @private
         * @param config
         */
        '$onExtended': [],

        /**
         * @private
         * @param config
         */
        triggerExtended: function() {
            var callbacks = this.$onExtended,
                ln = callbacks.length,
                i, callback;

            if (ln > 0) {
                for (i = 0; i < ln; i++) {
                    callback = callbacks[i];
                    callback.fn.apply(callback.scope || this, arguments);
                }
            }
        },

        /**
         * @private
         * @param config
         */
        onExtended: function(fn, scope) {
            this.$onExtended.push({
                fn: fn,
                scope: scope
            });

            return this;
        },

        /**
         * @private
         * @param config
         */
        addConfig: function(config, fullMerge) {
            var prototype = this.prototype,
                configNameCache = Ext.Class.configNameCache,
                hasConfig = prototype.configMap,
                initConfigList = prototype.initConfigList,
                initConfigMap = prototype.initConfigMap,
                defaultConfig = prototype.config,
                initializedName, name, value;

            for (name in config) {
                if (config.hasOwnProperty(name)) {
                    if (!hasConfig[name]) {
                        hasConfig[name] = true;
                    }

                    value = config[name];

                    initializedName = configNameCache[name].initialized;

                    if (!initConfigMap[name] && value !== null && !prototype[initializedName]) {
                        initConfigMap[name] = true;
                        initConfigList.push(name);
                    }
                }
            }

            if (fullMerge) {
                Ext.merge(defaultConfig, config);
            }
            else {
                Ext.mergeIf(defaultConfig, config);
            }

            prototype.configClass = Ext.Object.classify(defaultConfig);
        },

        /**
         * Add / override static properties of this class.
         *
         *     Ext.define('My.cool.Class', {
         *         ...
         *     });
         *
         *     My.cool.Class.addStatics({
         *         someProperty: 'someValue',      // My.cool.Class.someProperty = 'someValue'
         *         method1: function() { ... },    // My.cool.Class.method1 = function() { ... };
         *         method2: function() { ... }     // My.cool.Class.method2 = function() { ... };
         *     });
         *
         * @param {Object} members
         * @return {Ext.Base} this
         * @static
         * @inheritable
         */
        addStatics: function(members) {
            var member, name;

            for (name in members) {
                if (members.hasOwnProperty(name)) {
                    member = members[name];
                    this[name] = member;
                }
            }

            return this;
        },

        /**
         * @private
         * @param {Object} members
         */
        addInheritableStatics: function(members) {
            var inheritableStatics,
                hasInheritableStatics,
                prototype = this.prototype,
                name, member;

            inheritableStatics = prototype.$inheritableStatics;
            hasInheritableStatics = prototype.$hasInheritableStatics;

            if (!inheritableStatics) {
                inheritableStatics = prototype.$inheritableStatics = [];
                hasInheritableStatics = prototype.$hasInheritableStatics = {};
            }


            for (name in members) {
                if (members.hasOwnProperty(name)) {
                    member = members[name];
                    this[name] = member;

                    if (!hasInheritableStatics[name]) {
                        hasInheritableStatics[name] = true;
                        inheritableStatics.push(name);
                    }
                }
            }

            return this;
        },

        /**
         * Add methods / properties to the prototype of this class.
         *
         *     Ext.define('My.awesome.Cat', {
         *         constructor: function() {
         *             ...
         *         }
         *     });
         *
         *      My.awesome.Cat.implement({
         *          meow: function() {
         *             alert('Meowww...');
         *          }
         *      });
         *
         *      var kitty = new My.awesome.Cat;
         *      kitty.meow();
         *
         * @param {Object} members
         * @static
         * @inheritable
         */
        addMembers: function(members) {
            var prototype = this.prototype,
                enumerables = Ext.enumerables,
                names = [],
                i, ln, name, member;


            for (name in members) {
                names.push(name);
            }

            if (enumerables) {
                names.push.apply(names, enumerables);
            }

            for (i = 0,ln = names.length; i < ln; i++) {
                name = names[i];

                if (members.hasOwnProperty(name)) {
                    member = members[name];

                    if (typeof member == 'function' && !member.$isClass && member !== Ext.emptyFn) {
                        member.$owner = this;
                        member.$name = name;
                    }

                    prototype[name] = member;
                }
            }

            return this;
        },

        /**
         * @private
         * @param name
         * @param member
         */
        addMember: function(name, member) {
            if (typeof member == 'function' && !member.$isClass && member !== Ext.emptyFn) {
                member.$owner = this;
                member.$name = name;
            }

            this.prototype[name] = member;

            return this;
        },

        /**
         * @private
         */
        implement: function() {
            this.addMembers.apply(this, arguments);
        },

        /**
         * Borrow another class' members to the prototype of this class.
         *
         *     Ext.define('Bank', {
         *         money: '$$$',
         *         printMoney: function() {
         *             alert('$$$$$$$');
         *         }
         *     });
         *
         *     Ext.define('Thief', {
         *         ...
         *     });
         *
         *     Thief.borrow(Bank, ['money', 'printMoney']);
         *
         *     var steve = new Thief();
         *
         *     alert(steve.money); // alerts '$$$'
         *     steve.printMoney(); // alerts '$$$$$$$'
         *
         * @param {Ext.Base} fromClass The class to borrow members from
         * @param {Array/String} members The names of the members to borrow
         * @return {Ext.Base} this
         * @static
         * @inheritable
         * @private
         */
        borrow: function(fromClass, members) {
            var prototype = this.prototype,
                fromPrototype = fromClass.prototype,
                i, ln, name, fn, toBorrow;

            members = Ext.Array.from(members);

            for (i = 0,ln = members.length; i < ln; i++) {
                name = members[i];

                toBorrow = fromPrototype[name];

                if (typeof toBorrow == 'function') {
                    fn = function() {
                        return toBorrow.apply(this, arguments);
                    };


                    fn.$owner = this;
                    fn.$name = name;

                    prototype[name] = fn;
                }
                else {
                    prototype[name] = toBorrow;
                }
            }

            return this;
        },

        /**
         * Override members of this class. Overridden methods can be invoked via
         * {@link Ext.Base#callParent}.
         *
         *     Ext.define('My.Cat', {
         *         constructor: function() {
         *             alert("I'm a cat!");
         *         }
         *     });
         *
         *     My.Cat.override({
         *         constructor: function() {
         *             alert("I'm going to be a cat!");
         *
         *             var instance = this.callParent(arguments);
         *
         *             alert("Meeeeoooowwww");
         *
         *             return instance;
         *         }
         *     });
         *
         *     var kitty = new My.Cat(); // alerts "I'm going to be a cat!"
         *                               // alerts "I'm a cat!"
         *                               // alerts "Meeeeoooowwww"
         *
         * As of 4.1, direct use of this method is deprecated. Use {@link Ext#define Ext.define}
         * instead:
         *
         *     Ext.define('My.CatOverride', {
         *         override: 'My.Cat',
         *         constructor: function() {
         *             alert("I'm going to be a cat!");
         *
         *             var instance = this.callParent(arguments);
         *
         *             alert("Meeeeoooowwww");
         *
         *             return instance;
         *         }
         *     });
         *
         * The above accomplishes the same result but can be managed by the {@link Ext.Loader}
         * which can properly order the override and its target class and the build process
         * can determine whether the override is needed based on the required state of the
         * target class (My.Cat).
         *
         * @param {Object} members The properties to add to this class. This should be
         * specified as an object literal containing one or more properties.
         * @return {Ext.Base} this class
         * @static
         * @inheritable
         * @markdown
         * @deprecated 4.1.0 Use {@link Ext#define Ext.define} instead
         */
        override: function(members) {
            var me = this,
                enumerables = Ext.enumerables,
                target = me.prototype,
                cloneFunction = Ext.Function.clone,
                name, index, member, statics, names, previous;

            if (arguments.length === 2) {
                name = members;
                members = {};
                members[name] = arguments[1];
                enumerables = null;
            }

            do {
                names = []; // clean slate for prototype (1st pass) and static (2nd pass)
                statics = null; // not needed 1st pass, but needs to be cleared for 2nd pass

                for (name in members) { // hasOwnProperty is checked in the next loop...
                    if (name == 'statics') {
                        statics = members[name];
                    } else {
                        names.push(name);
                    }
                }

                if (enumerables) {
                    names.push.apply(names, enumerables);
                }

                for (index = names.length; index--; ) {
                    name = names[index];

                    if (members.hasOwnProperty(name)) {
                        member = members[name];

                        if (typeof member == 'function' && !member.$className && member !== Ext.emptyFn) {
                            if (typeof member.$owner != 'undefined') {
                                member = cloneFunction(member);
                            }


                            member.$owner = me;
                            member.$name = name;

                            previous = target[name];
                            if (previous) {
                                member.$previous = previous;
                            }
                        }

                        target[name] = member;
                    }
                }

                target = me; // 2nd pass is for statics
                members = statics; // statics will be null on 2nd pass
            } while (members);

            return this;
        },

        // Documented downwards
        callParent: function(args) {
            var method;

            // This code is intentionally inlined for the least number of debugger stepping
            return (method = this.callParent.caller) && (method.$previous ||
                  ((method = method.$owner ? method : method.caller) &&
                        method.$owner.superclass.$class[method.$name])).apply(this, args || noArgs);
        },

        /**
         * Used internally by the mixins pre-processor
         * @private
         * @inheritable
         */
        mixin: function(name, mixinClass) {
            var mixin = mixinClass.prototype,
                prototype = this.prototype,
                key;

            if (typeof mixin.onClassMixedIn != 'undefined') {
                mixin.onClassMixedIn.call(mixinClass, this);
            }

            if (!prototype.hasOwnProperty('mixins')) {
                if ('mixins' in prototype) {
                    prototype.mixins = Ext.Object.chain(prototype.mixins);
                }
                else {
                    prototype.mixins = {};
                }
            }

            for (key in mixin) {
                if (key === 'mixins') {
                    Ext.merge(prototype.mixins, mixin[key]);
                }
                else if (typeof prototype[key] == 'undefined' && key != 'mixinId' && key != 'config') {
                    prototype[key] = mixin[key];
                }
            }

            if ('config' in mixin) {
                this.addConfig(mixin.config, false);
            }

            prototype.mixins[name] = mixin;
        },

        /**
         * Get the current class' name in string format.
         *
         *     Ext.define('My.cool.Class', {
         *         constructor: function() {
         *             alert(this.self.getName()); // alerts 'My.cool.Class'
         *         }
         *     });
         *
         *     My.cool.Class.getName(); // 'My.cool.Class'
         *
         * @return {String} className
         * @static
         * @inheritable
         */
        getName: function() {
            return Ext.getClassName(this);
        },

        /**
         * Create aliases for existing prototype methods. Example:
         *
         *     Ext.define('My.cool.Class', {
         *         method1: function() { ... },
         *         method2: function() { ... }
         *     });
         *
         *     var test = new My.cool.Class();
         *
         *     My.cool.Class.createAlias({
         *         method3: 'method1',
         *         method4: 'method2'
         *     });
         *
         *     test.method3(); // test.method1()
         *
         *     My.cool.Class.createAlias('method5', 'method3');
         *
         *     test.method5(); // test.method3() -> test.method1()
         *
         * @param {String/Object} alias The new method name, or an object to set multiple aliases. See
         * {@link Ext.Function#flexSetter flexSetter}
         * @param {String/Object} origin The original method name
         * @static
         * @inheritable
         * @method
         */
        createAlias: flexSetter(function(alias, origin) {
            this.override(alias, function() {
                return this[origin].apply(this, arguments);
            });
        }),

        /**
         * @private
         */
        addXtype: function(xtype) {
            var prototype = this.prototype,
                xtypesMap = prototype.xtypesMap,
                xtypes = prototype.xtypes,
                xtypesChain = prototype.xtypesChain;

            if (!prototype.hasOwnProperty('xtypesMap')) {
                xtypesMap = prototype.xtypesMap = Ext.merge({}, prototype.xtypesMap || {});
                xtypes = prototype.xtypes = prototype.xtypes ? [].concat(prototype.xtypes) : [];
                xtypesChain = prototype.xtypesChain = prototype.xtypesChain ? [].concat(prototype.xtypesChain) : [];
                prototype.xtype = xtype;
            }

            if (!xtypesMap[xtype]) {
                xtypesMap[xtype] = true;
                xtypes.push(xtype);
                xtypesChain.push(xtype);
                Ext.ClassManager.setAlias(this, 'widget.' + xtype);
            }

            return this;
        }
    });

    Base.implement({
        isInstance: true,

        $className: 'Ext.Base',

        configClass: Ext.emptyFn,

        initConfigList: [],

        configMap: {},

        initConfigMap: {},

        /**
         * Get the reference to the class from which this object was instantiated. Note that unlike {@link Ext.Base#self},
         * `this.statics()` is scope-independent and it always returns the class from which it was called, regardless of what
         * `this` points to during run-time
         *
         *     Ext.define('My.Cat', {
         *         statics: {
         *             totalCreated: 0,
         *             speciesName: 'Cat' // My.Cat.speciesName = 'Cat'
         *         },
         *
         *         constructor: function() {
         *             var statics = this.statics();
         *
         *             alert(statics.speciesName);     // always equals to 'Cat' no matter what 'this' refers to
         *                                             // equivalent to: My.Cat.speciesName
         *
         *             alert(this.self.speciesName);   // dependent on 'this'
         *
         *             statics.totalCreated++;
         *         },
         *
         *         clone: function() {
         *             var cloned = new this.self;                      // dependent on 'this'
         *
         *             cloned.groupName = this.statics().speciesName;   // equivalent to: My.Cat.speciesName
         *
         *             return cloned;
         *         }
         *     });
         *
         *
         *     Ext.define('My.SnowLeopard', {
         *         extend: 'My.Cat',
         *
         *         statics: {
         *             speciesName: 'Snow Leopard'     // My.SnowLeopard.speciesName = 'Snow Leopard'
         *         },
         *
         *         constructor: function() {
         *             this.callParent();
         *         }
         *     });
         *
         *     var cat = new My.Cat();                 // alerts 'Cat', then alerts 'Cat'
         *
         *     var snowLeopard = new My.SnowLeopard(); // alerts 'Cat', then alerts 'Snow Leopard'
         *
         *     var clone = snowLeopard.clone();
         *     alert(Ext.getClassName(clone));         // alerts 'My.SnowLeopard'
         *     alert(clone.groupName);                 // alerts 'Cat'
         *
         *     alert(My.Cat.totalCreated);             // alerts 3
         *
         * @protected
         * @return {Ext.Class}
         */
        statics: function() {
            var method = this.statics.caller,
                self = this.self;

            if (!method) {
                return self;
            }

            return method.$owner;
        },

        /**
         * Call the "parent" method of the current method. That is the method previously
         * overridden by derivation or by an override (see {@link Ext#define}).
         *
         *      Ext.define('My.Base', {
         *          constructor: function (x) {
         *              this.x = x;
         *          },
         *
         *          statics: {
         *              method: function (x) {
         *                  return x;
         *              }
         *          }
         *      });
         *
         *      Ext.define('My.Derived', {
         *          extend: 'My.Base',
         *
         *          constructor: function () {
         *              this.callParent([21]);
         *          }
         *      });
         *
         *      var obj = new My.Derived();
         *
         *      alert(obj.x);  // alerts 21
         *
         * This can be used with an override as follows:
         *
         *      Ext.define('My.DerivedOverride', {
         *          override: 'My.Derived',
         *
         *          constructor: function (x) {
         *              this.callParent([x*2]); // calls original My.Derived constructor
         *          }
         *      });
         *
         *      var obj = new My.Derived();
         *
         *      alert(obj.x);  // now alerts 42
         *
         * This also works with static methods.
         *
         *      Ext.define('My.Derived2', {
         *          extend: 'My.Base',
         *
         *          statics: {
         *              method: function (x) {
         *                  return this.callParent([x*2]); // calls My.Base.method
         *              }
         *          }
         *      });
         *
         *      alert(My.Base.method(10);     // alerts 10
         *      alert(My.Derived2.method(10); // alerts 20
         *
         * Lastly, it also works with overridden static methods.
         *
         *      Ext.define('My.Derived2Override', {
         *          override: 'My.Derived2',
         *
         *          statics: {
         *              method: function (x) {
         *                  return this.callParent([x*2]); // calls My.Derived2.method
         *              }
         *          }
         *      });
         *
         *      alert(My.Derived2.method(10); // now alerts 40
         *
         * @protected
         * @param {Array/Arguments} args The arguments, either an array or the `arguments` object
         * from the current method, for example: `this.callParent(arguments)`
         * @return {Object} Returns the result of calling the parent method
         */
        callParent: function(args) {
            // NOTE: this code is deliberately as few expressions (and no function calls)
            // as possible so that a debugger can skip over this noise with the minimum number
            // of steps. Basically, just hit Step Into until you are where you really wanted
            // to be.
            var method,
                superMethod = (method = this.callParent.caller) && (method.$previous ||
                        ((method = method.$owner ? method : method.caller) &&
                                method.$owner.superclass[method.$name]));


            return superMethod.apply(this, args || noArgs);
        },

        /**
         * @property {Ext.Class} self
         *
         * Get the reference to the current class from which this object was instantiated. Unlike {@link Ext.Base#statics},
         * `this.self` is scope-dependent and it's meant to be used for dynamic inheritance. See {@link Ext.Base#statics}
         * for a detailed comparison
         *
         *     Ext.define('My.Cat', {
         *         statics: {
         *             speciesName: 'Cat' // My.Cat.speciesName = 'Cat'
         *         },
         *
         *         constructor: function() {
         *             alert(this.self.speciesName); / dependentOL on 'this'
         *         },
         *
         *         clone: function() {
         *             return new this.self();
         *         }
         *     });
         *
         *
         *     Ext.define('My.SnowLeopard', {
         *         extend: 'My.Cat',
         *         statics: {
         *             speciesName: 'Snow Leopard'         // My.SnowLeopard.speciesName = 'Snow Leopard'
         *         }
         *     });
         *
         *     var cat = new My.Cat();                     // alerts 'Cat'
         *     var snowLeopard = new My.SnowLeopard();     // alerts 'Snow Leopard'
         *
         *     var clone = snowLeopard.clone();
         *     alert(Ext.getClassName(clone));             // alerts 'My.SnowLeopard'
         *
         * @protected
         */
        self: Base,

        // Default constructor, simply returns `this`
        constructor: function() {
            return this;
        },

        hookMethod: function (name, hookFn) {
            var me = this,
                owner = me.self;


            hookFn.$owner = owner;
            hookFn.$name = name;

            if (me.hasOwnProperty(name)) {
                hookFn.$previous = me[name]; // already hooked, so call previous hook
            } else {
                hookFn.$previous = callHookParent; // special "previous" to call on prototype
            }

            me[name] = hookFn;
        },

        hookMethods: function (hooks) {
            Ext.Object.each(hooks, this.hookMethod, this);
        },

        /**
         * Initialize configuration for this class. a typical example:
         *
         *     Ext.define('My.awesome.Class', {
         *         // The default config
         *         config: {
         *             name: 'Awesome',
         *             isAwesome: true
         *         },
         *
         *         constructor: function(config) {
         *             this.initConfig(config);
         *         }
         *     });
         *
         *     var awesome = new My.awesome.Class({
         *         name: 'Super Awesome'
         *     });
         *
         *     alert(awesome.getName()); // 'Super Awesome'
         *
         * @protected
         * @param {Object} config
         * @return {Object} mixins The mixin prototypes as key - value pairs
         */
        initConfig: function(config) {
            var instanceConfig = config,
                configNameCache = Ext.Class.configNameCache,
                defaultConfig = new this.configClass,
                defaultConfigList = this.initConfigList,
                hasConfig = this.configMap,
                nameMap, i, ln, name, initializedName;

            this.initConfig = Ext.emptyFn;

            this.initialConfig = instanceConfig || {};

            this.config = config = (instanceConfig) ? Ext.merge(defaultConfig, config) : defaultConfig;

            if (instanceConfig) {
                defaultConfigList = defaultConfigList.slice();

                for (name in instanceConfig) {
                    if (hasConfig[name]) {
                        if (instanceConfig[name] !== null) {
                            defaultConfigList.push(name);
                            this[configNameCache[name].initialized] = false;
                        }
                    }
                }
            }

            for (i = 0,ln = defaultConfigList.length; i < ln; i++) {
                name = defaultConfigList[i];
                nameMap = configNameCache[name];
                initializedName = nameMap.initialized;

                if (!this[initializedName]) {
                    this[initializedName] = true;
                    this[nameMap.set].call(this, config[name]);
                }
            }

            return this;
        },

        /**
         * @private
         * @param config
         */
        hasConfig: function(name) {
            return Boolean(this.configMap[name]);
        },

        /**
         * @private
         */
        setConfig: function(config, applyIfNotSet) {
            if (!config) {
                return this;
            }

            var configNameCache = Ext.Class.configNameCache,
                currentConfig = this.config,
                hasConfig = this.configMap,
                initialConfig = this.initialConfig,
                name, value;

            applyIfNotSet = Boolean(applyIfNotSet);

            for (name in config) {
                if (applyIfNotSet && initialConfig.hasOwnProperty(name)) {
                    continue;
                }

                value = config[name];
                currentConfig[name] = value;

                if (hasConfig[name]) {
                    this[configNameCache[name].set](value);
                }
            }

            return this;
        },

        /**
         * @private
         * @param name
         */
        getConfig: function(name) {
            var configNameCache = Ext.Class.configNameCache;

            return this[configNameCache[name].get]();
        },

        /**
         *
         * @param name
         */
        getInitialConfig: function(name) {
            var config = this.config;

            if (!name) {
                return config;
            }
            else {
                return config[name];
            }
        },

        /**
         * @private
         * @param names
         * @param callback
         * @param scope
         */
        onConfigUpdate: function(names, callback, scope) {
            var self = this.self,
                i, ln, name,
                updaterName, updater, newUpdater;

            names = Ext.Array.from(names);

            scope = scope || this;

            for (i = 0,ln = names.length; i < ln; i++) {
                name = names[i];
                updaterName = 'update' + Ext.String.capitalize(name);
                updater = this[updaterName] || Ext.emptyFn;
                newUpdater = function() {
                    updater.apply(this, arguments);
                    scope[callback].apply(scope, arguments);
                };
                newUpdater.$name = updaterName;
                newUpdater.$owner = self;

                this[updaterName] = newUpdater;
            }
        },

        destroy: function() {
            this.destroy = Ext.emptyFn;
        }
    });

    /**
     * Call the original method that was previously overridden with {@link Ext.Base#override}
     *
     *     Ext.define('My.Cat', {
     *         constructor: function() {
     *             alert("I'm a cat!");
     *         }
     *     });
     *
     *     My.Cat.override({
     *         constructor: function() {
     *             alert("I'm going to be a cat!");
     *
     *             var instance = this.callOverridden();
     *
     *             alert("Meeeeoooowwww");
     *
     *             return instance;
     *         }
     *     });
     *
     *     var kitty = new My.Cat(); // alerts "I'm going to be a cat!"
     *                               // alerts "I'm a cat!"
     *                               // alerts "Meeeeoooowwww"
     *
     * @param {Array/Arguments} args The arguments, either an array or the `arguments` object
     * from the current method, for example: `this.callOverridden(arguments)`
     * @return {Object} Returns the result of calling the overridden method
     * @protected
     * @deprecated as of 4.1. Use {@link #callParent} instead.
     */
    Base.prototype.callOverridden = Base.prototype.callParent;

    Ext.Base = Base;

})(Ext.Function.flexSetter);

/**
 * @author Jacky Nguyen <jacky@sencha.com>
 * @docauthor Jacky Nguyen <jacky@sencha.com>
 * @class Ext.Class
 *
 * Handles class creation throughout the framework. This is a low level factory that is used by Ext.ClassManager and generally
 * should not be used directly. If you choose to use Ext.Class you will lose out on the namespace, aliasing and depency loading
 * features made available by Ext.ClassManager. The only time you would use Ext.Class directly is to create an anonymous class.
 *
 * If you wish to create a class you should use {@link Ext#define Ext.define} which aliases
 * {@link Ext.ClassManager#create Ext.ClassManager.create} to enable namespacing and dynamic dependency resolution.
 *
 * Ext.Class is the factory and **not** the superclass of everything. For the base class that **all** Ext classes inherit
 * from, see {@link Ext.Base}.
 */
(function() {
    var ExtClass,
        Base = Ext.Base,
        baseStaticMembers = [],
        baseStaticMember, baseStaticMemberLength;

    for (baseStaticMember in Base) {
        if (Base.hasOwnProperty(baseStaticMember)) {
            baseStaticMembers.push(baseStaticMember);
        }
    }

    baseStaticMemberLength = baseStaticMembers.length;

    // Creates a constructor that has nothing extra in its scope chain.
    function makeCtor (className) {
        function constructor () {
            return this.constructor.apply(this, arguments);
        };
        return constructor;
    }

    /**
     * @method constructor
     * Create a new anonymous class.
     *
     * @param {Object} data An object represent the properties of this class
     * @param {Function} onCreated Optional, the callback function to be executed when this class is fully created.
     * Note that the creation process can be asynchronous depending on the pre-processors used.
     *
     * @return {Ext.Base} The newly created class
     */
    Ext.Class = ExtClass = function(Class, data, onCreated) {
        if (typeof Class != 'function') {
            onCreated = data;
            data = Class;
            Class = null;
        }

        if (!data) {
            data = {};
        }

        Class = ExtClass.create(Class, data);

        ExtClass.process(Class, data, onCreated);

        return Class;
    };

    Ext.apply(ExtClass, {
        /**
         * @private
         * @param Class
         * @param data
         * @param hooks
         */
        onBeforeCreated: function(Class, data, hooks) {
            Class.addMembers(data);

            hooks.onCreated.call(Class, Class);
        },

        /**
         * @private
         * @param Class
         * @param classData
         * @param onClassCreated
         */
        create: function(Class, data) {
            var name, i;

            if (!Class) {
                // This "helped" a bit in IE8 when we create 450k instances (3400ms->2700ms),
                // but removes some flexibility as a result because overrides cannot override
                // the constructor method... kept in case we want to reconsider because it is
                // more involved than just use the pass 'constructor'
                //
                //if (data.hasOwnProperty('constructor')) {
                //    Class = data.constructor;
                //    delete data.constructor;
                //    Class.$owner = Class;
                //    Class.$name = 'constructor';
                //} else {
                Class = makeCtor(
                );
                //}
            }

            for (i = 0; i < baseStaticMemberLength; i++) {
                name = baseStaticMembers[i];
                Class[name] = Base[name];
            }

            return Class;
        },

        /**
         * @private
         * @param Class
         * @param data
         * @param onCreated
         */
        process: function(Class, data, onCreated) {
            var preprocessorStack = data.preprocessors || ExtClass.defaultPreprocessors,
                registeredPreprocessors = this.preprocessors,
                hooks = {
                    onBeforeCreated: this.onBeforeCreated
                },
                preprocessors = [],
                preprocessor, preprocessorsProperties,
                i, ln, j, subLn, preprocessorProperty, process;

            delete data.preprocessors;

            for (i = 0,ln = preprocessorStack.length; i < ln; i++) {
                preprocessor = preprocessorStack[i];

                if (typeof preprocessor == 'string') {
                    preprocessor = registeredPreprocessors[preprocessor];
                    preprocessorsProperties = preprocessor.properties;

                    if (preprocessorsProperties === true) {
                        preprocessors.push(preprocessor.fn);
                    }
                    else if (preprocessorsProperties) {
                        for (j = 0,subLn = preprocessorsProperties.length; j < subLn; j++) {
                            preprocessorProperty = preprocessorsProperties[j];

                            if (data.hasOwnProperty(preprocessorProperty)) {
                                preprocessors.push(preprocessor.fn);
                                break;
                            }
                        }
                    }
                }
                else {
                    preprocessors.push(preprocessor);
                }
            }

            hooks.onCreated = onCreated ? onCreated : Ext.emptyFn;
            hooks.preprocessors = preprocessors;

            this.doProcess(Class, data, hooks);
        },
        
        doProcess: function(Class, data, hooks){
            var me = this,
                preprocessor = hooks.preprocessors.shift();

            if (!preprocessor) {
                hooks.onBeforeCreated.apply(me, arguments);
                return;
            }

            if (preprocessor.call(me, Class, data, hooks, me.doProcess) !== false) {
                me.doProcess(Class, data, hooks);
            }
        },

        /** @private */
        preprocessors: {},

        /**
         * Register a new pre-processor to be used during the class creation process
         *
         * @param {String} name The pre-processor's name
         * @param {Function} fn The callback function to be executed. Typical format:
         *
         *     function(cls, data, fn) {
         *         // Your code here
         *
         *         // Execute this when the processing is finished.
         *         // Asynchronous processing is perfectly ok
         *         if (fn) {
         *             fn.call(this, cls, data);
         *         }
         *     });
         *
         * @param {Function} fn.cls The created class
         * @param {Object} fn.data The set of properties passed in {@link Ext.Class} constructor
         * @param {Function} fn.fn The callback function that **must** to be executed when this
         * pre-processor finishes, regardless of whether the processing is synchronous or aynchronous.
         * @return {Ext.Class} this
         * @private
         * @static
         */
        registerPreprocessor: function(name, fn, properties, position, relativeTo) {
            if (!position) {
                position = 'last';
            }

            if (!properties) {
                properties = [name];
            }

            this.preprocessors[name] = {
                name: name,
                properties: properties || false,
                fn: fn
            };

            this.setDefaultPreprocessorPosition(name, position, relativeTo);

            return this;
        },

        /**
         * Retrieve a pre-processor callback function by its name, which has been registered before
         *
         * @param {String} name
         * @return {Function} preprocessor
         * @private
         * @static
         */
        getPreprocessor: function(name) {
            return this.preprocessors[name];
        },

        /**
         * @private
         */
        getPreprocessors: function() {
            return this.preprocessors;
        },

        /**
         * @private
         */
        defaultPreprocessors: [],

        /**
         * Retrieve the array stack of default pre-processors
         * @return {Function[]} defaultPreprocessors
         * @private
         * @static
         */
        getDefaultPreprocessors: function() {
            return this.defaultPreprocessors;
        },

        /**
         * Set the default array stack of default pre-processors
         *
         * @private
         * @param {Array} preprocessors
         * @return {Ext.Class} this
         * @static
         */
        setDefaultPreprocessors: function(preprocessors) {
            this.defaultPreprocessors = Ext.Array.from(preprocessors);

            return this;
        },

        /**
         * Insert this pre-processor at a specific position in the stack, optionally relative to
         * any existing pre-processor. For example:
         *
         *     Ext.Class.registerPreprocessor('debug', function(cls, data, fn) {
         *         // Your code here
         *
         *         if (fn) {
         *             fn.call(this, cls, data);
         *         }
         *     }).setDefaultPreprocessorPosition('debug', 'last');
         *
         * @private
         * @param {String} name The pre-processor name. Note that it needs to be registered with
         * {@link Ext#registerPreprocessor registerPreprocessor} before this
         * @param {String} offset The insertion position. Four possible values are:
         * 'first', 'last', or: 'before', 'after' (relative to the name provided in the third argument)
         * @param {String} relativeName
         * @return {Ext.Class} this
         * @static
         */
        setDefaultPreprocessorPosition: function(name, offset, relativeName) {
            var defaultPreprocessors = this.defaultPreprocessors,
                index;

            if (typeof offset == 'string') {
                if (offset === 'first') {
                    defaultPreprocessors.unshift(name);

                    return this;
                }
                else if (offset === 'last') {
                    defaultPreprocessors.push(name);

                    return this;
                }

                offset = (offset === 'after') ? 1 : -1;
            }

            index = Ext.Array.indexOf(defaultPreprocessors, relativeName);

            if (index !== -1) {
                Ext.Array.splice(defaultPreprocessors, Math.max(0, index + offset), 0, name);
            }

            return this;
        },

        configNameCache: {},

        getConfigNameMap: function(name) {
            var cache = this.configNameCache,
                map = cache[name],
                capitalizedName;

            if (!map) {
                capitalizedName = name.charAt(0).toUpperCase() + name.substr(1);

                map = cache[name] = {
                    internal: name,
                    initialized: '_is' + capitalizedName + 'Initialized',
                    apply: 'apply' + capitalizedName,
                    update: 'update' + capitalizedName,
                    'set': 'set' + capitalizedName,
                    'get': 'get' + capitalizedName,
                    doSet : 'doSet' + capitalizedName,
                    changeEvent: name.toLowerCase() + 'change'
                }
            }

            return map;
        }
    });

    /**
     * @cfg {String} extend
     * The parent class that this class extends. For example:
     *
     *     Ext.define('Person', {
     *         say: function(text) { alert(text); }
     *     });
     *
     *     Ext.define('Developer', {
     *         extend: 'Person',
     *         say: function(text) { this.callParent(["print "+text]); }
     *     });
     */
    ExtClass.registerPreprocessor('extend', function(Class, data) {
        var Base = Ext.Base,
            basePrototype = Base.prototype,
            extend = data.extend,
            Parent, parentPrototype, i;

        delete data.extend;

        if (extend && extend !== Object) {
            Parent = extend;
        }
        else {
            Parent = Base;
        }

        parentPrototype = Parent.prototype;

        if (!Parent.$isClass) {
            for (i in basePrototype) {
                if (!parentPrototype[i]) {
                    parentPrototype[i] = basePrototype[i];
                }
            }
        }

        Class.extend(Parent);

        Class.triggerExtended.apply(Class, arguments);

        if (data.onClassExtended) {
            Class.onExtended(data.onClassExtended);
            delete data.onClassExtended;
        }

    }, true);

    /**
     * @cfg {Object} statics
     * List of static methods for this class. For example:
     *
     *     Ext.define('Computer', {
     *          statics: {
     *              factory: function(brand) {
     *                  // 'this' in static methods refer to the class itself
     *                  return new this(brand);
     *              }
     *          },
     *
     *          constructor: function() { ... }
     *     });
     *
     *     var dellComputer = Computer.factory('Dell');
     */
    ExtClass.registerPreprocessor('statics', function(Class, data) {
        Class.addStatics(data.statics);

        delete data.statics;
    });

    /**
     * @cfg {Object} inheritableStatics
     * List of inheritable static methods for this class.
     * Otherwise just like {@link #statics} but subclasses inherit these methods.
     */
    ExtClass.registerPreprocessor('inheritableStatics', function(Class, data) {
        Class.addInheritableStatics(data.inheritableStatics);

        delete data.inheritableStatics;
    });

    /**
     * @cfg {Object} config
     * List of configuration options with their default values, for which automatically
     * accessor methods are generated.  For example:
     *
     *     Ext.define('SmartPhone', {
     *          config: {
     *              hasTouchScreen: false,
     *              operatingSystem: 'Other',
     *              price: 500
     *          },
     *          constructor: function(cfg) {
     *              this.initConfig(cfg);
     *          }
     *     });
     *
     *     var iPhone = new SmartPhone({
     *          hasTouchScreen: true,
     *          operatingSystem: 'iOS'
     *     });
     *
     *     iPhone.getPrice(); // 500;
     *     iPhone.getOperatingSystem(); // 'iOS'
     *     iPhone.getHasTouchScreen(); // true;
     */
    ExtClass.registerPreprocessor('config', function(Class, data) {
        var config = data.config,
            prototype = Class.prototype;

        delete data.config;

        Ext.Object.each(config, function(name, value) {
            var nameMap = ExtClass.getConfigNameMap(name),
                internalName = nameMap.internal,
                initializedName = nameMap.initialized,
                applyName = nameMap.apply,
                updateName = nameMap.update,
                setName = nameMap.set,
                getName = nameMap.get,
                hasOwnSetter = (setName in prototype) || data.hasOwnProperty(setName),
                hasOwnApplier = (applyName in prototype) || data.hasOwnProperty(applyName),
                hasOwnUpdater = (updateName in prototype) || data.hasOwnProperty(updateName),
                optimizedGetter, customGetter;

            if (value === null || (!hasOwnSetter && !hasOwnApplier && !hasOwnUpdater)) {
                prototype[internalName] = value;
                prototype[initializedName] = true;
            }
            else {
                prototype[initializedName] = false;
            }

            if (!hasOwnSetter) {
                data[setName] = function(value) {
                    var oldValue = this[internalName],
                        applier = this[applyName],
                        updater = this[updateName];

                    if (!this[initializedName]) {
                        this[initializedName] = true;
                    }

                    if (applier) {
                        value = applier.call(this, value, oldValue);
                    }

                    if (typeof value != 'undefined') {
                        this[internalName] = value;

                        if (updater && value !== oldValue) {
                            updater.call(this, value, oldValue);
                        }
                    }

                    return this;
                }
            }

            if (!(getName in prototype) || data.hasOwnProperty(getName)) {
                customGetter = data[getName] || false;

                if (customGetter) {
                    optimizedGetter = function() {
                        return customGetter.apply(this, arguments);
                    };
                }
                else {
                    optimizedGetter = function() {
                        return this[internalName];
                    };
                }

                data[getName] = function() {
                    var currentGetter;

                    if (!this[initializedName]) {
                        this[initializedName] = true;
                        this[setName](this.config[name]);
                    }

                    currentGetter = this[getName];

                    if ('$previous' in currentGetter) {
                        currentGetter.$previous = optimizedGetter;
                    }
                    else {
                        this[getName] = optimizedGetter;
                    }

                    return optimizedGetter.apply(this, arguments);
                };
            }
        });

        Class.addConfig(config, true);
    });

    /**
     * @cfg {String[]/Object} mixins
     * List of classes to mix into this class. For example:
     *
     *     Ext.define('CanSing', {
     *          sing: function() {
     *              alert("I'm on the highway to hell...")
     *          }
     *     });
     *
     *     Ext.define('Musician', {
     *          mixins: ['CanSing']
     *     })
     *
     * In this case the Musician class will get a `sing` method from CanSing mixin.
     *
     * But what if the Musician already has a `sing` method? Or you want to mix
     * in two classes, both of which define `sing`?  In such a cases it's good
     * to define mixins as an object, where you assign a name to each mixin:
     *
     *     Ext.define('Musician', {
     *          mixins: {
     *              canSing: 'CanSing'
     *          },
     * 
     *          sing: function() {
     *              // delegate singing operation to mixin
     *              this.mixins.canSing.sing.call(this);
     *          }
     *     })
     *
     * In this case the `sing` method of Musician will overwrite the
     * mixed in `sing` method. But you can access the original mixed in method
     * through special `mixins` property.
     */
    ExtClass.registerPreprocessor('mixins', function(Class, data, hooks) {
        var mixins = data.mixins,
            name, mixin, i, ln;

        delete data.mixins;

        Ext.Function.interceptBefore(hooks, 'onCreated', function() {
            if (mixins instanceof Array) {
                for (i = 0,ln = mixins.length; i < ln; i++) {
                    mixin = mixins[i];
                    name = mixin.prototype.mixinId || mixin.$className;

                    Class.mixin(name, mixin);
                }
            }
            else {
                for (name in mixins) {
                    if (mixins.hasOwnProperty(name)) {
                        Class.mixin(name, mixins[name]);
                    }
                }
            }
        });
    });

    // Backwards compatible
    Ext.extend = function(Class, Parent, members) {
        if (arguments.length === 2 && Ext.isObject(Parent)) {
            members = Parent;
            Parent = Class;
            Class = null;
        }

        var cls;

        if (!Parent) {
            throw new Error("[Ext.extend] Attempting to extend from a class which has not been loaded on the page.");
        }

        members.extend = Parent;
        members.preprocessors = [
            'extend'
            ,'statics'
            ,'inheritableStatics'
            ,'mixins'
            ,'config'
        ];

        if (Class) {
            cls = new ExtClass(Class, members);
        }
        else {
            cls = new ExtClass(members);
        }

        cls.prototype.override = function(o) {
            for (var m in o) {
                if (o.hasOwnProperty(m)) {
                    this[m] = o[m];
                }
            }
        };

        return cls;
    };

})();

/**
 * @author Jacky Nguyen <jacky@sencha.com>
 * @docauthor Jacky Nguyen <jacky@sencha.com>
 * @class Ext.ClassManager
 *
 * Ext.ClassManager manages all classes and handles mapping from string class name to
 * actual class objects throughout the whole framework. It is not generally accessed directly, rather through
 * these convenient shorthands:
 *
 * - {@link Ext#define Ext.define}
 * - {@link Ext#create Ext.create}
 * - {@link Ext#widget Ext.widget}
 * - {@link Ext#getClass Ext.getClass}
 * - {@link Ext#getClassName Ext.getClassName}
 *
 * # Basic syntax:
 *
 *     Ext.define(className, properties);
 *
 * in which `properties` is an object represent a collection of properties that apply to the class. See
 * {@link Ext.ClassManager#create} for more detailed instructions.
 *
 *     Ext.define('Person', {
 *          name: 'Unknown',
 *
 *          constructor: function(name) {
 *              if (name) {
 *                  this.name = name;
 *              }
 *
 *              return this;
 *          },
 *
 *          eat: function(foodType) {
 *              alert("I'm eating: " + foodType);
 *
 *              return this;
 *          }
 *     });
 *
 *     var aaron = new Person("Aaron");
 *     aaron.eat("Sandwich"); // alert("I'm eating: Sandwich");
 *
 * Ext.Class has a powerful set of extensible {@link Ext.Class#registerPreprocessor pre-processors} which takes care of
 * everything related to class creation, including but not limited to inheritance, mixins, configuration, statics, etc.
 *
 * # Inheritance:
 *
 *     Ext.define('Developer', {
 *          extend: 'Person',
 *
 *          constructor: function(name, isGeek) {
 *              this.isGeek = isGeek;
 *
 *              // Apply a method from the parent class' prototype
 *              this.callParent([name]);
 *
 *              return this;
 *
 *          },
 *
 *          code: function(language) {
 *              alert("I'm coding in: " + language);
 *
 *              this.eat("Bugs");
 *
 *              return this;
 *          }
 *     });
 *
 *     var jacky = new Developer("Jacky", true);
 *     jacky.code("JavaScript"); // alert("I'm coding in: JavaScript");
 *                               // alert("I'm eating: Bugs");
 *
 * See {@link Ext.Base#callParent} for more details on calling superclass' methods
 *
 * # Mixins:
 *
 *     Ext.define('CanPlayGuitar', {
 *          playGuitar: function() {
 *             alert("F#...G...D...A");
 *          }
 *     });
 *
 *     Ext.define('CanComposeSongs', {
 *          composeSongs: function() { ... }
 *     });
 *
 *     Ext.define('CanSing', {
 *          sing: function() {
 *              alert("I'm on the highway to hell...")
 *          }
 *     });
 *
 *     Ext.define('Musician', {
 *          extend: 'Person',
 *
 *          mixins: {
 *              canPlayGuitar: 'CanPlayGuitar',
 *              canComposeSongs: 'CanComposeSongs',
 *              canSing: 'CanSing'
 *          }
 *     })
 *
 *     Ext.define('CoolPerson', {
 *          extend: 'Person',
 *
 *          mixins: {
 *              canPlayGuitar: 'CanPlayGuitar',
 *              canSing: 'CanSing'
 *          },
 *
 *          sing: function() {
 *              alert("Ahem....");
 *
 *              this.mixins.canSing.sing.call(this);
 *
 *              alert("[Playing guitar at the same time...]");
 *
 *              this.playGuitar();
 *          }
 *     });
 *
 *     var me = new CoolPerson("Jacky");
 *
 *     me.sing(); // alert("Ahem...");
 *                // alert("I'm on the highway to hell...");
 *                // alert("[Playing guitar at the same time...]");
 *                // alert("F#...G...D...A");
 *
 * # Config:
 *
 *     Ext.define('SmartPhone', {
 *          config: {
 *              hasTouchScreen: false,
 *              operatingSystem: 'Other',
 *              price: 500
 *          },
 *
 *          isExpensive: false,
 *
 *          constructor: function(config) {
 *              this.initConfig(config);
 *
 *              return this;
 *          },
 *
 *          applyPrice: function(price) {
 *              this.isExpensive = (price > 500);
 *
 *              return price;
 *          },
 *
 *          applyOperatingSystem: function(operatingSystem) {
 *              if (!(/^(iOS|Android|BlackBerry)$/i).test(operatingSystem)) {
 *                  return 'Other';
 *              }
 *
 *              return operatingSystem;
 *          }
 *     });
 *
 *     var iPhone = new SmartPhone({
 *          hasTouchScreen: true,
 *          operatingSystem: 'iOS'
 *     });
 *
 *     iPhone.getPrice(); // 500;
 *     iPhone.getOperatingSystem(); // 'iOS'
 *     iPhone.getHasTouchScreen(); // true;
 *     iPhone.hasTouchScreen(); // true
 *
 *     iPhone.isExpensive; // false;
 *     iPhone.setPrice(600);
 *     iPhone.getPrice(); // 600
 *     iPhone.isExpensive; // true;
 *
 *     iPhone.setOperatingSystem('AlienOS');
 *     iPhone.getOperatingSystem(); // 'Other'
 *
 * # Statics:
 *
 *     Ext.define('Computer', {
 *          statics: {
 *              factory: function(brand) {
 *                 // 'this' in static methods refer to the class itself
 *                  return new this(brand);
 *              }
 *          },
 *
 *          constructor: function() { ... }
 *     });
 *
 *     var dellComputer = Computer.factory('Dell');
 *
 * Also see {@link Ext.Base#statics} and {@link Ext.Base#self} for more details on accessing
 * static properties within class methods
 *
 * @singleton
 */
(function(Class, alias, arraySlice, arrayFrom, global) {

    var Manager = Ext.ClassManager = {

        /**
         * @property {Object} classes
         * All classes which were defined through the ClassManager. Keys are the
         * name of the classes and the values are references to the classes.
         * @private
         */
        classes: {},

        /**
         * @private
         */
        existCache: {},

        /**
         * @private
         */
        namespaceRewrites: [{
            from: 'Ext.',
            to: Ext
        }],

        /**
         * @private
         */
        maps: {
            alternateToName: {},
            aliasToName: {},
            nameToAliases: {},
            nameToAlternates: {},
            overridesByName: {}
        },

        /** @private */
        enableNamespaceParseCache: true,

        /** @private */
        namespaceParseCache: {},

        /** @private */
        instantiators: [],

        /**
         * Checks if a class has already been created.
         *
         * @param {String} className
         * @return {Boolean} exist
         */
        isCreated: function(className) {
            var existCache = this.existCache,
                i, ln, part, root, parts;


            if (this.classes[className] || existCache[className]) {
                return true;
            }

            root = global;
            parts = this.parseNamespace(className);

            for (i = 0, ln = parts.length; i < ln; i++) {
                part = parts[i];

                if (typeof part != 'string') {
                    root = part;
                } else {
                    if (!root || !root[part]) {
                        return false;
                    }

                    root = root[part];
                }
            }

            existCache[className] = true;

            this.triggerCreated(className);

            return true;
        },

        /**
         * @private
         */
        createdListeners: [],

        /**
         * @private
         */
        nameCreatedListeners: {},

        /**
         * @private
         */
        triggerCreated: function(className) {
            var listeners = this.createdListeners,
                nameListeners = this.nameCreatedListeners,
                i, ln, listener;

            for (i = 0,ln = listeners.length; i < ln; i++) {
                listener = listeners[i];
                listener.fn.call(listener.scope, className);
            }

            listeners = nameListeners[className];

            if (listeners) {
                for (i = 0,ln = listeners.length; i < ln; i++) {
                    listener = listeners[i];
                    listener.fn.call(listener.scope, className);
                }

                delete nameListeners[className];
            }
        },

        /**
         * @private
         */
        onCreated: function(fn, scope, className) {
            var listeners = this.createdListeners,
                nameListeners = this.nameCreatedListeners,
                listener = {
                    fn: fn,
                    scope: scope
                };

            if (className) {
                if (this.isCreated(className)) {
                    fn.call(scope, className);
                    return;
                }

                if (!nameListeners[className]) {
                    nameListeners[className] = [];
                }

                nameListeners[className].push(listener);
            }
            else {
                listeners.push(listener);
            }
        },

        /**
         * Supports namespace rewriting
         * @private
         */
        parseNamespace: function(namespace) {

            var cache = this.namespaceParseCache;

            if (this.enableNamespaceParseCache) {
                if (cache.hasOwnProperty(namespace)) {
                    return cache[namespace];
                }
            }

            var parts = [],
                rewrites = this.namespaceRewrites,
                root = global,
                name = namespace,
                rewrite, from, to, i, ln;

            for (i = 0, ln = rewrites.length; i < ln; i++) {
                rewrite = rewrites[i];
                from = rewrite.from;
                to = rewrite.to;

                if (name === from || name.substring(0, from.length) === from) {
                    name = name.substring(from.length);

                    if (typeof to != 'string') {
                        root = to;
                    } else {
                        parts = parts.concat(to.split('.'));
                    }

                    break;
                }
            }

            parts.push(root);

            parts = parts.concat(name.split('.'));

            if (this.enableNamespaceParseCache) {
                cache[namespace] = parts;
            }

            return parts;
        },

        /**
         * Creates a namespace and assign the `value` to the created object
         *
         *     Ext.ClassManager.setNamespace('MyCompany.pkg.Example', someObject);
         *
         *     alert(MyCompany.pkg.Example === someObject); // alerts true
         *
         * @param {String} name
         * @param {Object} value
         */
        setNamespace: function(name, value) {
            var root = global,
                parts = this.parseNamespace(name),
                ln = parts.length - 1,
                leaf = parts[ln],
                i, part;

            for (i = 0; i < ln; i++) {
                part = parts[i];

                if (typeof part != 'string') {
                    root = part;
                } else {
                    if (!root[part]) {
                        root[part] = {};
                    }

                    root = root[part];
                }
            }

            root[leaf] = value;

            return root[leaf];
        },

        /**
         * The new Ext.ns, supports namespace rewriting
         * @private
         */
        createNamespaces: function() {
            var root = global,
                parts, part, i, j, ln, subLn;

            for (i = 0, ln = arguments.length; i < ln; i++) {
                parts = this.parseNamespace(arguments[i]);

                for (j = 0, subLn = parts.length; j < subLn; j++) {
                    part = parts[j];

                    if (typeof part != 'string') {
                        root = part;
                    } else {
                        if (!root[part]) {
                            root[part] = {};
                        }

                        root = root[part];
                    }
                }
            }

            return root;
        },

        /**
         * Sets a name reference to a class.
         *
         * @param {String} name
         * @param {Object} value
         * @return {Ext.ClassManager} this
         */
        set: function(name, value) {
            var me = this,
                maps = me.maps,
                nameToAlternates = maps.nameToAlternates,
                targetName = me.getName(value),
                alternates;

            me.classes[name] = me.setNamespace(name, value);

            if (targetName && targetName !== name) {
                maps.alternateToName[name] = targetName;
                alternates = nameToAlternates[targetName] || (nameToAlternates[targetName] = []);
                alternates.push(name);
            }

            return this;
        },

        /**
         * Retrieve a class by its name.
         *
         * @param {String} name
         * @return {Ext.Class} class
         */
        get: function(name) {
            var classes = this.classes;

            if (classes[name]) {
                return classes[name];
            }

            var root = global,
                parts = this.parseNamespace(name),
                part, i, ln;

            for (i = 0, ln = parts.length; i < ln; i++) {
                part = parts[i];

                if (typeof part != 'string') {
                    root = part;
                } else {
                    if (!root || !root[part]) {
                        return null;
                    }

                    root = root[part];
                }
            }

            return root;
        },

        /**
         * Register the alias for a class.
         *
         * @param {Ext.Class/String} cls a reference to a class or a className
         * @param {String} alias Alias to use when referring to this class
         */
        setAlias: function(cls, alias) {
            var aliasToNameMap = this.maps.aliasToName,
                nameToAliasesMap = this.maps.nameToAliases,
                className;

            if (typeof cls == 'string') {
                className = cls;
            } else {
                className = this.getName(cls);
            }

            if (alias && aliasToNameMap[alias] !== className) {

                aliasToNameMap[alias] = className;
            }

            if (!nameToAliasesMap[className]) {
                nameToAliasesMap[className] = [];
            }

            if (alias) {
                Ext.Array.include(nameToAliasesMap[className], alias);
            }

            return this;
        },

        /**
         * Get a reference to the class by its alias.
         *
         * @param {String} alias
         * @return {Ext.Class} class
         */
        getByAlias: function(alias) {
            return this.get(this.getNameByAlias(alias));
        },

        /**
         * Get the name of a class by its alias.
         *
         * @param {String} alias
         * @return {String} className
         */
        getNameByAlias: function(alias) {
            return this.maps.aliasToName[alias] || '';
        },

        /**
         * Get the name of a class by its alternate name.
         *
         * @param {String} alternate
         * @return {String} className
         */
        getNameByAlternate: function(alternate) {
            return this.maps.alternateToName[alternate] || '';
        },

        /**
         * Get the aliases of a class by the class name
         *
         * @param {String} name
         * @return {Array} aliases
         */
        getAliasesByName: function(name) {
            return this.maps.nameToAliases[name] || [];
        },

        /**
         * Get the name of the class by its reference or its instance;
         * usually invoked by the shorthand {@link Ext#getClassName Ext.getClassName}
         *
         *     Ext.ClassManager.getName(Ext.Action); // returns "Ext.Action"
         *
         * @param {Ext.Class/Object} object
         * @return {String} className
         */
        getName: function(object) {
            return object && object.$className || '';
        },

        /**
         * Get the class of the provided object; returns null if it's not an instance
         * of any class created with Ext.define. This is usually invoked by the shorthand {@link Ext#getClass Ext.getClass}
         *
         *     var component = new Ext.Component();
         *
         *     Ext.ClassManager.getClass(component); // returns Ext.Component
         *
         * @param {Object} object
         * @return {Ext.Class} class
         */
        getClass: function(object) {
            return object && object.self || null;
        },

        /**
         * @private
         */
        applyOverrides: function (name) {
            var me = this,
                overridesByName = me.maps.overridesByName,
                overrides = overridesByName[name],
                length = overrides && overrides.length || 0,
                createOverride = me.createOverride,
                i;

            delete overridesByName[name];

            for (i = 0; i < length; ++i) {
                createOverride.apply(me, overrides[i]);
            }
        },

        /**
         * Defines a class.
         * @deprecated 4.1.0 Use {@link Ext#define} instead, as that also supports creating overrides.
         */
        create: function(className, data, createdFn) {

            data.$className = className;

            return new Class(data, function() {
                var postprocessorStack = data.postprocessors || Manager.defaultPostprocessors,
                    registeredPostprocessors = Manager.postprocessors,
                    postprocessors = [],
                    postprocessor, i, ln, j, subLn, postprocessorProperties, postprocessorProperty,
                    alternateNames;

                delete data.postprocessors;

                for (i = 0,ln = postprocessorStack.length; i < ln; i++) {
                    postprocessor = postprocessorStack[i];

                    if (typeof postprocessor == 'string') {
                        postprocessor = registeredPostprocessors[postprocessor];
                        postprocessorProperties = postprocessor.properties;

                        if (postprocessorProperties === true) {
                            postprocessors.push(postprocessor.fn);
                        }
                        else if (postprocessorProperties) {
                            for (j = 0,subLn = postprocessorProperties.length; j < subLn; j++) {
                                postprocessorProperty = postprocessorProperties[j];

                                if (data.hasOwnProperty(postprocessorProperty)) {
                                    postprocessors.push(postprocessor.fn);
                                    break;
                                }
                            }
                        }
                    }
                    else {
                        postprocessors.push(postprocessor);
                    }
                }

                data.postprocessors = postprocessors;
                data.createdFn = createdFn;
                Manager.processCreate(className, this, data);

                //TODO: Take this out, hook into classCreated instead
                Manager.applyOverrides(className);
                alternateNames = Manager.maps.nameToAlternates[className];

                for (i = 0, ln = alternateNames && alternateNames.length || 0; i < ln; ++i) {
                    Manager.applyOverrides(alternateNames[i]);
                }
            });
        },
        
        processCreate: function(className, cls, clsData){
            var me = this,
                postprocessor = clsData.postprocessors.shift(),
                createdFn = clsData.createdFn;

            if (!postprocessor) {
                me.set(className, cls);

                if (createdFn) {
                     createdFn.call(cls, cls);
                }

                me.triggerCreated(className);
                return;
            }

            if (postprocessor.call(me, className, cls, clsData, me.processCreate) !== false) {
                me.processCreate(className, cls, clsData);
            }
        },

        createOverride: function (overrideName, data, createdFn) {
            var me = this,
                className = data.override,
                cls = me.get(className),
                overrideBody, overridesByName, overrides;

            if (cls) {
                // We use a "faux class" here because it has all the mechanics we need to
                // work with the loader via uses/requires and loader history (for build).
                // This way we don't have to refactor any of the class-loader relationship.

                // hoist any 'requires' or 'uses' from the body onto the faux class:
                overrideBody = Ext.apply({}, data);
                delete overrideBody.requires;
                delete overrideBody.uses;
                delete overrideBody.override;

                me.create(overrideName, {
                        requires: data.requires,
                        uses: data.uses,
                        override: className
                    }, function () {
                        this.active = true;
                        if (cls.override) { // if (normal class)
                            cls.override(overrideBody);
                        } else { // else (singleton)
                            cls.self.override(overrideBody);
                        }

                        if (createdFn) {
                            // called once the override is applied and with the context of the
                            // overridden class (the override itself is a meaningless, name-only
                            // thing).
                            createdFn.call(cls);
                        }
                    });
            } else {
                // The class is not loaded and may never load, but in case it does we add
                // the override arguments to an internal map keyed by the className. When
                // (or if) the class loads, we will call this method again with those same
                // arguments to complete the override.
                overridesByName = me.maps.overridesByName;
                overrides = overridesByName[className] || (overridesByName[className] = []);
                overrides.push(Array.prototype.slice.call(arguments, 0));

                // place an inactive stub in the namespace (appeases the Loader and could
                // be useful diagnostically)
                me.setNamespace(overrideName, {
                    override: className
                });
            }
        },

        /**
         * Instantiate a class by its alias; usually invoked by the convenient shorthand {@link Ext#createByAlias Ext.createByAlias}
         * If {@link Ext.Loader} is {@link Ext.Loader#setConfig enabled} and the class has not been defined yet, it will
         * attempt to load the class via synchronous loading.
         *
         *     var window = Ext.ClassManager.instantiateByAlias('widget.window', { width: 600, height: 800, ... });
         *
         * @param {String} alias
         * @param {Object...} args Additional arguments after the alias will be passed to the
         * class constructor.
         * @return {Object} instance
         */
        instantiateByAlias: function() {
            var alias = arguments[0],
                args = arraySlice.call(arguments),
                className = this.getNameByAlias(alias);

            if (!className) {
                className = this.maps.aliasToName[alias];



                Ext.syncRequire(className);
            }

            args[0] = className;

            return this.instantiate.apply(this, args);
        },

        /**
         * @private
         */
        instantiate: function() {
            var name = arguments[0],
                nameType = typeof name,
                args = arraySlice.call(arguments, 1),
                alias = name,
                possibleName, cls;

            if (nameType != 'function') {
                if (nameType != 'string' && args.length === 0) {
                    args = [name];
                    name = name.xclass;
                }


                cls = this.get(name);
            }
            else {
                cls = name;
            }

            // No record of this class name, it's possibly an alias, so look it up
            if (!cls) {
                possibleName = this.getNameByAlias(name);

                if (possibleName) {
                    name = possibleName;

                    cls = this.get(name);
                }
            }

            // Still no record of this class name, it's possibly an alternate name, so look it up
            if (!cls) {
                possibleName = this.getNameByAlternate(name);

                if (possibleName) {
                    name = possibleName;

                    cls = this.get(name);
                }
            }

            // Still not existing at this point, try to load it via synchronous mode as the last resort
            if (!cls) {

                Ext.syncRequire(name);

                cls = this.get(name);
            }


            return this.getInstantiator(args.length)(cls, args);
        },

        /**
         * @private
         * @param name
         * @param args
         */
        dynInstantiate: function(name, args) {
            args = arrayFrom(args, true);
            args.unshift(name);

            return this.instantiate.apply(this, args);
        },

        /**
         * @private
         * @param length
         */
        getInstantiator: function(length) {
            var instantiators = this.instantiators,
                instantiator;

            instantiator = instantiators[length];

            if (!instantiator) {
                var i = length,
                    args = [];

                for (i = 0; i < length; i++) {
                    args.push('a[' + i + ']');
                }

                instantiator = instantiators[length] = new Function('c', 'a', 'return new c(' + args.join(',') + ')');
            }

            return instantiator;
        },

        /**
         * @private
         */
        postprocessors: {},

        /**
         * @private
         */
        defaultPostprocessors: [],

        /**
         * Register a post-processor function.
         *
         * @private
         * @param {String} name
         * @param {Function} postprocessor
         */
        registerPostprocessor: function(name, fn, properties, position, relativeTo) {
            if (!position) {
                position = 'last';
            }

            if (!properties) {
                properties = [name];
            }

            this.postprocessors[name] = {
                name: name,
                properties: properties || false,
                fn: fn
            };

            this.setDefaultPostprocessorPosition(name, position, relativeTo);

            return this;
        },

        /**
         * Set the default post processors array stack which are applied to every class.
         *
         * @private
         * @param {String/Array} The name of a registered post processor or an array of registered names.
         * @return {Ext.ClassManager} this
         */
        setDefaultPostprocessors: function(postprocessors) {
            this.defaultPostprocessors = arrayFrom(postprocessors);

            return this;
        },

        /**
         * Insert this post-processor at a specific position in the stack, optionally relative to
         * any existing post-processor
         *
         * @private
         * @param {String} name The post-processor name. Note that it needs to be registered with
         * {@link Ext.ClassManager#registerPostprocessor} before this
         * @param {String} offset The insertion position. Four possible values are:
         * 'first', 'last', or: 'before', 'after' (relative to the name provided in the third argument)
         * @param {String} relativeName
         * @return {Ext.ClassManager} this
         */
        setDefaultPostprocessorPosition: function(name, offset, relativeName) {
            var defaultPostprocessors = this.defaultPostprocessors,
                index;

            if (typeof offset == 'string') {
                if (offset === 'first') {
                    defaultPostprocessors.unshift(name);

                    return this;
                }
                else if (offset === 'last') {
                    defaultPostprocessors.push(name);

                    return this;
                }

                offset = (offset === 'after') ? 1 : -1;
            }

            index = Ext.Array.indexOf(defaultPostprocessors, relativeName);

            if (index !== -1) {
                Ext.Array.splice(defaultPostprocessors, Math.max(0, index + offset), 0, name);
            }

            return this;
        },

        /**
         * Converts a string expression to an array of matching class names. An expression can either refers to class aliases
         * or class names. Expressions support wildcards:
         *
         *      // returns ['Ext.window.Window']
         *     var window = Ext.ClassManager.getNamesByExpression('widget.window');
         *
         *     // returns ['widget.panel', 'widget.window', ...]
         *     var allWidgets = Ext.ClassManager.getNamesByExpression('widget.*');
         *
         *     // returns ['Ext.data.Store', 'Ext.data.ArrayProxy', ...]
         *     var allData = Ext.ClassManager.getNamesByExpression('Ext.data.*');
         *
         * @param {String} expression
         * @return {String[]} classNames
         */
        getNamesByExpression: function(expression) {
            var nameToAliasesMap = this.maps.nameToAliases,
                names = [],
                name, alias, aliases, possibleName, regex, i, ln;


            if (expression.indexOf('*') !== -1) {
                expression = expression.replace(/\*/g, '(.*?)');
                regex = new RegExp('^' + expression + '$');

                for (name in nameToAliasesMap) {
                    if (nameToAliasesMap.hasOwnProperty(name)) {
                        aliases = nameToAliasesMap[name];

                        if (name.search(regex) !== -1) {
                            names.push(name);
                        }
                        else {
                            for (i = 0, ln = aliases.length; i < ln; i++) {
                                alias = aliases[i];

                                if (alias.search(regex) !== -1) {
                                    names.push(name);
                                    break;
                                }
                            }
                        }
                    }
                }

            } else {
                possibleName = this.getNameByAlias(expression);

                if (possibleName) {
                    names.push(possibleName);
                } else {
                    possibleName = this.getNameByAlternate(expression);

                    if (possibleName) {
                        names.push(possibleName);
                    } else {
                        names.push(expression);
                    }
                }
            }

            return names;
        }
    };

    /**
     * @cfg {String[]} alias
     * @member Ext.Class
     * List of short aliases for class names.  Most useful for defining xtypes for widgets:
     *
     *     Ext.define('MyApp.CoolPanel', {
     *         extend: 'Ext.panel.Panel',
     *         alias: ['widget.coolpanel'],
     *         title: 'Yeah!'
     *     });
     *
     *     // Using Ext.create
     *     Ext.create('widget.coolpanel');
     *
     *     // Using the shorthand for defining widgets by xtype
     *     Ext.widget('panel', {
     *         items: [
     *             {xtype: 'coolpanel', html: 'Foo'},
     *             {xtype: 'coolpanel', html: 'Bar'}
     *         ]
     *     });
     *
     * Besides "widget" for xtype there are alias namespaces like "feature" for ftype and "plugin" for ptype.
     */
    Manager.registerPostprocessor('alias', function(name, cls, data) {
        var aliases = data.alias,
            i, ln;

        for (i = 0,ln = aliases.length; i < ln; i++) {
            alias = aliases[i];

            this.setAlias(cls, alias);
        }

    }, ['xtype', 'alias']);

    /**
     * @cfg {Boolean} singleton
     * @member Ext.Class
     * When set to true, the class will be instantiated as singleton.  For example:
     *
     *     Ext.define('Logger', {
     *         singleton: true,
     *         log: function(msg) {
     *             console.log(msg);
     *         }
     *     });
     *
     *     Logger.log('Hello');
     */
    Manager.registerPostprocessor('singleton', function(name, cls, data, fn) {
        fn.call(this, name, new cls(), data);
        return false;
    });

    /**
     * @cfg {String/String[]} alternateClassName
     * @member Ext.Class
     * Defines alternate names for this class.  For example:
     *
     *     Ext.define('Developer', {
     *         alternateClassName: ['Coder', 'Hacker'],
     *         code: function(msg) {
     *             alert('Typing... ' + msg);
     *         }
     *     });
     *
     *     var joe = Ext.create('Developer');
     *     joe.code('stackoverflow');
     *
     *     var rms = Ext.create('Hacker');
     *     rms.code('hack hack');
     */
    Manager.registerPostprocessor('alternateClassName', function(name, cls, data) {
        var alternates = data.alternateClassName,
            i, ln, alternate;

        if (!(alternates instanceof Array)) {
            alternates = [alternates];
        }

        for (i = 0, ln = alternates.length; i < ln; i++) {
            alternate = alternates[i];


            this.set(alternate, cls);
        }
    });

    Ext.apply(Ext, {
        /**
         * Instantiate a class by either full name, alias or alternate name.
         *
         * If {@link Ext.Loader} is {@link Ext.Loader#setConfig enabled} and the class has
         * not been defined yet, it will attempt to load the class via synchronous loading.
         *
         * For example, all these three lines return the same result:
         *
         *      // alias
         *      var window = Ext.create('widget.window', {
         *          width: 600,
         *          height: 800,
         *          ...
         *      });
         *
         *      // alternate name
         *      var window = Ext.create('Ext.Window', {
         *          width: 600,
         *          height: 800,
         *          ...
         *      });
         *
         *      // full class name
         *      var window = Ext.create('Ext.window.Window', {
         *          width: 600,
         *          height: 800,
         *          ...
         *      });
         *
         *      // single object with xclass property:
         *      var window = Ext.create({
         *          xclass: 'Ext.window.Window', // any valid value for 'name' (above)
         *          width: 600,
         *          height: 800,
         *          ...
         *      });
         *
         * @param {String} [name] The class name or alias. Can be specified as `xclass`
         * property if only one object parameter is specified.
         * @param {Object...} [args] Additional arguments after the name will be passed to
         * the class' constructor.
         * @return {Object} instance
         * @member Ext
         * @method create
         */
        create: alias(Manager, 'instantiate'),

        /**
         * Convenient shorthand to create a widget by its xtype or a config object.
         * See also {@link Ext.ClassManager#instantiateByAlias}.
         *
         *      var button = Ext.widget('button'); // Equivalent to Ext.create('widget.button');
         *
         *      var panel = Ext.widget('panel', { // Equivalent to Ext.create('widget.panel')
         *          title: 'Panel'
         *      });
         *
         *      var grid = Ext.widget({
         *          xtype: 'grid',
         *          ...
         *      });
         *
         * If a {@link Ext.Component component} instance is passed, it is simply returned.
         *
         * @member Ext
         * @param {String} [name] The xtype of the widget to create.
         * @param {Object} [config] The configuration object for the widget constructor.
         * @return {Object} The widget instance
         */
        widget: function(name, config) {
            // forms:
            //      1: (xtype)
            //      2: (xtype, config)
            //      3: (config)
            //      4: (xtype, component)
            //      5: (component)
            //      
            var xtype = name,
                alias, className, T, load;

            if (typeof xtype != 'string') { // if (form 3 or 5)
                // first arg is config or component
                config = name; // arguments[0]
                if (config.isComponent) {
                    return config;
                }
                xtype = config.xtype;
            }

            alias = 'widget.' + xtype;
            className = Manager.getNameByAlias(alias);

            // this is needed to support demand loading of the class
            if (!className) {
                load = true;
            }
            
            T = Manager.get(className);
            if (load || !T) {
                return Manager.instantiateByAlias(alias, config || {});
            }
            return new T(config);
        },

        /**
         * Convenient shorthand, see {@link Ext.ClassManager#instantiateByAlias}
         * @member Ext
         * @method createByAlias
         */
        createByAlias: alias(Manager, 'instantiateByAlias'),

        /**
         * @method
         * Defines a class or override. A basic class is defined like this:
         *
         *      Ext.define('My.awesome.Class', {
         *          someProperty: 'something',
         *
         *          someMethod: function() {
         *              alert(s + this.someProperty);
         *          }
         *
         *          ...
         *      });
         *
         *      var obj = new My.awesome.Class();
         *
         *      obj.someMethod('Say '); // alerts 'Say something'
         *
         * To defines an override, include the `override` property. The content of an
         * override is aggregated with the specified class in order to extend or modify
         * that class. This can be as simple as setting default property values or it can
         * extend and/or replace methods. This can also extend the statics of the class.
         *
         * One use for an override is to break a large class into manageable pieces.
         *
         *      // File: /src/app/Panel.js
         *
         *      Ext.define('My.app.Panel', {
         *          extend: 'Ext.panel.Panel',
         *          requires: [
         *              'My.app.PanelPart2',
         *              'My.app.PanelPart3'
         *          ]
         *
         *          constructor: function (config) {
         *              this.callParent(arguments); // calls Ext.panel.Panel's constructor
         *              //...
         *          },
         *
         *          statics: {
         *              method: function () {
         *                  return 'abc';
         *              }
         *          }
         *      });
         *
         *      // File: /src/app/PanelPart2.js
         *      Ext.define('My.app.PanelPart2', {
         *          override: 'My.app.Panel',
         *
         *          constructor: function (config) {
         *              this.callParent(arguments); // calls My.app.Panel's constructor
         *              //...
         *          }
         *      });
         *
         * Another use of overrides is to provide optional parts of classes that can be
         * independently required. In this case, the class may even be unaware of the
         * override altogether.
         *
         *      Ext.define('My.ux.CoolTip', {
         *          override: 'Ext.tip.ToolTip',
         *
         *          constructor: function (config) {
         *              this.callParent(arguments); // calls Ext.tip.ToolTip's constructor
         *              //...
         *          }
         *      });
         *
         * The above override can now be required as normal.
         *
         *      Ext.define('My.app.App', {
         *          requires: [
         *              'My.ux.CoolTip'
         *          ]
         *      });
         *
         * Overrides can also contain statics:
         *
         *      Ext.define('My.app.BarMod', {
         *          override: 'Ext.foo.Bar',
         *
         *          statics: {
         *              method: function (x) {
         *                  return this.callParent([x * 2]); // call Ext.foo.Bar.method
         *              }
         *          }
         *      });
         *
         * IMPORTANT: An override is only included in a build if the class it overrides is
         * required. Otherwise, the override, like the target class, is not included.
         *
         * @param {String} className The class name to create in string dot-namespaced format, for example:
         * 'My.very.awesome.Class', 'FeedViewer.plugin.CoolPager'
         * It is highly recommended to follow this simple convention:
         *  - The root and the class name are 'CamelCased'
         *  - Everything else is lower-cased
         * @param {Object} data The key - value pairs of properties to apply to this class. Property names can be of any valid
         * strings, except those in the reserved listed below:
         *  - `mixins`
         *  - `statics`
         *  - `config`
         *  - `alias`
         *  - `self`
         *  - `singleton`
         *  - `alternateClassName`
         *  - `override`
         *
         * @param {Function} createdFn Optional callback to execute after the class is created, the execution scope of which
         * (`this`) will be the newly created class itself.
         * @return {Ext.Base}
         * @markdown
         * @member Ext
         * @method define
         */
        define: function (className, data, createdFn) {
            if (data.override) {
                return Manager.createOverride.apply(Manager, arguments);
            }

            return Manager.create.apply(Manager, arguments);
        },

        /**
         * Convenient shorthand, see {@link Ext.ClassManager#getName}
         * @member Ext
         * @method getClassName
         */
        getClassName: alias(Manager, 'getName'),

        /**
         * Returns the displayName property or className or object. When all else fails, returns "Anonymous".
         * @param {Object} object
         * @return {String}
         */
        getDisplayName: function(object) {
            if (object) {
                if (object.displayName) {
                    return object.displayName;
                }

                if (object.$name && object.$class) {
                    return Ext.getClassName(object.$class) + '#' + object.$name;
                }

                if (object.$className) {
                    return object.$className;
                }
            }

            return 'Anonymous';
        },

        /**
         * Convenient shorthand, see {@link Ext.ClassManager#getClass}
         * @member Ext
         * @method getClass
         */
        getClass: alias(Manager, 'getClass'),

        /**
         * Creates namespaces to be used for scoping variables and classes so that they are not global.
         * Specifying the last node of a namespace implicitly creates all other nodes. Usage:
         *
         *     Ext.namespace('Company', 'Company.data');
         *
         *     // equivalent and preferable to the above syntax
         *     Ext.ns('Company.data');
         *
         *     Company.Widget = function() { ... };
         *
         *     Company.data.CustomStore = function(config) { ... };
         *
         * @param {String...} namespaces
         * @return {Object} The namespace object.
         * (If multiple arguments are passed, this will be the last namespace created)
         * @member Ext
         * @method namespace
         */
        namespace: alias(Manager, 'createNamespaces')
    });

    /**
     * Old name for {@link Ext#widget}.
     * @deprecated 4.0.0 Use {@link Ext#widget} instead.
     * @method createWidget
     * @member Ext
     */
    Ext.createWidget = Ext.widget;

    /**
     * Convenient alias for {@link Ext#namespace Ext.namespace}.
     * @inheritdoc Ext#namespace
     * @member Ext
     * @method ns
     */
    Ext.ns = Ext.namespace;

    Class.registerPreprocessor('className', function(cls, data) {
        if (data.$className) {
            cls.$className = data.$className;
        }
    }, true, 'first');

    Class.registerPreprocessor('alias', function(cls, data) {
        var prototype = cls.prototype,
            xtypes = arrayFrom(data.xtype),
            aliases = arrayFrom(data.alias),
            widgetPrefix = 'widget.',
            widgetPrefixLength = widgetPrefix.length,
            xtypesChain = Array.prototype.slice.call(prototype.xtypesChain || []),
            xtypesMap = Ext.merge({}, prototype.xtypesMap || {}),
            i, ln, alias, xtype;

        for (i = 0,ln = aliases.length; i < ln; i++) {
            alias = aliases[i];


            if (alias.substring(0, widgetPrefixLength) === widgetPrefix) {
                xtype = alias.substring(widgetPrefixLength);
                Ext.Array.include(xtypes, xtype);
            }
        }

        cls.xtype = data.xtype = xtypes[0];
        data.xtypes = xtypes;

        for (i = 0,ln = xtypes.length; i < ln; i++) {
            xtype = xtypes[i];

            if (!xtypesMap[xtype]) {
                xtypesMap[xtype] = true;
                xtypesChain.push(xtype);
            }
        }

        data.xtypesChain = xtypesChain;
        data.xtypesMap = xtypesMap;

        Ext.Function.interceptAfter(data, 'onClassCreated', function() {
            var mixins = prototype.mixins,
                key, mixin;

            for (key in mixins) {
                if (mixins.hasOwnProperty(key)) {
                    mixin = mixins[key];

                    xtypes = mixin.xtypes;

                    if (xtypes) {
                        for (i = 0,ln = xtypes.length; i < ln; i++) {
                            xtype = xtypes[i];

                            if (!xtypesMap[xtype]) {
                                xtypesMap[xtype] = true;
                                xtypesChain.push(xtype);
                            }
                        }
                    }
                }
            }
        });

        for (i = 0,ln = xtypes.length; i < ln; i++) {
            xtype = xtypes[i];


            Ext.Array.include(aliases, widgetPrefix + xtype);
        }

        data.alias = aliases;

    }, ['xtype', 'alias']);

})(Ext.Class, Ext.Function.alias, Array.prototype.slice, Ext.Array.from, Ext.global);

/**
 * @author Jacky Nguyen <jacky@sencha.com>
 * @docauthor Jacky Nguyen <jacky@sencha.com>
 * @class Ext.Loader
 *
 * Ext.Loader is the heart of the new dynamic dependency loading capability in Ext JS 4+. It is most commonly used
 * via the {@link Ext#require} shorthand. Ext.Loader supports both asynchronous and synchronous loading
 * approaches, and leverage their advantages for the best development flow. We'll discuss about the pros and cons of each approach:
 *
 * # Asynchronous Loading #
 *
 * - Advantages:
 *     + Cross-domain
 *     + No web server needed: you can run the application via the file system protocol (i.e: `file://path/to/your/index
 *  .html`)
 *     + Best possible debugging experience: error messages come with the exact file name and line number
 *
 * - Disadvantages:
 *     + Dependencies need to be specified before-hand
 *
 * ### Method 1: Explicitly include what you need: ###
 *
 *     // Syntax
 *     Ext.require({String/Array} expressions);
 *
 *     // Example: Single alias
 *     Ext.require('widget.window');
 *
 *     // Example: Single class name
 *     Ext.require('Ext.window.Window');
 *
 *     // Example: Multiple aliases / class names mix
 *     Ext.require(['widget.window', 'layout.border', 'Ext.data.Connection']);
 *
 *     // Wildcards
 *     Ext.require(['widget.*', 'layout.*', 'Ext.data.*']);
 *
 * ### Method 2: Explicitly exclude what you don't need: ###
 *
 *     // Syntax: Note that it must be in this chaining format.
 *     Ext.exclude({String/Array} expressions)
 *        .require({String/Array} expressions);
 *
 *     // Include everything except Ext.data.*
 *     Ext.exclude('Ext.data.*').require('*');
 *
 *     // Include all widgets except widget.checkbox*,
 *     // which will match widget.checkbox, widget.checkboxfield, widget.checkboxgroup, etc.
 *     Ext.exclude('widget.checkbox*').require('widget.*');
 *
 * # Synchronous Loading on Demand #
 *
 * - Advantages:
 *     + There's no need to specify dependencies before-hand, which is always the convenience of including ext-all.js
 *  before
 *
 * - Disadvantages:
 *     + Not as good debugging experience since file name won't be shown (except in Firebug at the moment)
 *     + Must be from the same domain due to XHR restriction
 *     + Need a web server, same reason as above
 *
 * There's one simple rule to follow: Instantiate everything with Ext.create instead of the `new` keyword
 *
 *     Ext.create('widget.window', { ... }); // Instead of new Ext.window.Window({...});
 *
 *     Ext.create('Ext.window.Window', {}); // Same as above, using full class name instead of alias
 *
 *     Ext.widget('window', {}); // Same as above, all you need is the traditional `xtype`
 *
 * Behind the scene, {@link Ext.ClassManager} will automatically check whether the given class name / alias has already
 *  existed on the page. If it's not, Ext.Loader will immediately switch itself to synchronous mode and automatic load the given
 *  class and all its dependencies.
 *
 * # Hybrid Loading - The Best of Both Worlds #
 *
 * It has all the advantages combined from asynchronous and synchronous loading. The development flow is simple:
 *
 * ### Step 1: Start writing your application using synchronous approach.
 *
 * Ext.Loader will automatically fetch all dependencies on demand as they're needed during run-time. For example:
 *
 *     Ext.onReady(function(){
 *         var window = Ext.createWidget('window', {
 *             width: 500,
 *             height: 300,
 *             layout: {
 *                 type: 'border',
 *                 padding: 5
 *             },
 *             title: 'Hello Dialog',
 *             items: [{
 *                 title: 'Navigation',
 *                 collapsible: true,
 *                 region: 'west',
 *                 width: 200,
 *                 html: 'Hello',
 *                 split: true
 *             }, {
 *                 title: 'TabPanel',
 *                 region: 'center'
 *             }]
 *         });
 *
 *         window.show();
 *     })
 *
 * ### Step 2: Along the way, when you need better debugging ability, watch the console for warnings like these: ###
 *
 *     [Ext.Loader] Synchronously loading 'Ext.window.Window'; consider adding Ext.require('Ext.window.Window') before your application's code
 *     ClassManager.js:432
 *     [Ext.Loader] Synchronously loading 'Ext.layout.container.Border'; consider adding Ext.require('Ext.layout.container.Border') before your application's code
 *
 * Simply copy and paste the suggested code above `Ext.onReady`, i.e:
 *
 *     Ext.require('Ext.window.Window');
 *     Ext.require('Ext.layout.container.Border');
 *
 *     Ext.onReady(...);
 *
 * Everything should now load via asynchronous mode.
 *
 * # Deployment #
 *
 * It's important to note that dynamic loading should only be used during development on your local machines.
 * During production, all dependencies should be combined into one single JavaScript file. Ext.Loader makes
 * the whole process of transitioning from / to between development / maintenance and production as easy as
 * possible. Internally {@link Ext.Loader#history Ext.Loader.history} maintains the list of all dependencies your application
 * needs in the exact loading sequence. It's as simple as concatenating all files in this array into one,
 * then include it on top of your application.
 *
 * This process will be automated with Sencha Command, to be released and documented towards Ext JS 4 Final.
 *
 * @singleton
 */

(function(Manager, Class, flexSetter, alias, pass, arrayFrom, arrayErase, arrayInclude) {

    var
        dependencyProperties = ['extend', 'mixins', 'requires'],
        Loader;

    Loader = Ext.Loader = {

        /**
         * @private
         */
        isInHistory: {},

        /**
         * An array of class names to keep track of the dependency loading order.
         * This is not guaranteed to be the same everytime due to the asynchronous
         * nature of the Loader.
         *
         * @property {Array} history
         */
        history: [],

        /**
         * Configuration
         * @private
         */
        config: {
            /**
             * @cfg {Boolean} enabled
             * Whether or not to enable the dynamic dependency loading feature.
             */
            enabled: false,

            /**
             * @cfg {Boolean} disableCaching
             * Appends current timestamp to script files to prevent caching.
             */
            disableCaching: true,

            /**
             * @cfg {String} disableCachingParam
             * The get parameter name for the cache buster's timestamp.
             */
            disableCachingParam: '_dc',

            /**
             * @cfg {Object} paths
             * The mapping from namespaces to file paths
             *
             *     {
             *         'Ext': '.', // This is set by default, Ext.layout.container.Container will be
             *                     // loaded from ./layout/Container.js
             *
             *         'My': './src/my_own_folder' // My.layout.Container will be loaded from
             *                                     // ./src/my_own_folder/layout/Container.js
             *     }
             *
             * Note that all relative paths are relative to the current HTML document.
             * If not being specified, for example, <code>Other.awesome.Class</code>
             * will simply be loaded from <code>./Other/awesome/Class.js</code>
             */
            paths: {
                'Ext': '.'
            }
        },

        /**
         * Set the configuration for the loader. This should be called right after ext-(debug).js
         * is included in the page, and before Ext.onReady. i.e:
         *
         *     <script type="text/javascript" src="ext-core-debug.js"></script>
         *     <script type="text/javascript">
         *         Ext.Loader.setConfig({
         *           enabled: true,
         *           paths: {
         *               'My': 'my_own_path'
         *           }
         *         });
         *     </script>
         *     <script type="text/javascript">
         *         Ext.require(...);
         *
         *         Ext.onReady(function() {
         *           // application code here
         *         });
         *     </script>
         *
         * Refer to config options of {@link Ext.Loader} for the list of possible properties
         *
         * @param {Object} config The config object to override the default values
         * @return {Ext.Loader} this
         */
        setConfig: function(name, value) {
            if (Ext.isObject(name) && arguments.length === 1) {
                Ext.merge(this.config, name);
            }
            else {
                this.config[name] = (Ext.isObject(value)) ? Ext.merge(this.config[name], value) : value;
            }

            return this;
        },

        /**
         * Get the config value corresponding to the specified name. If no name is given, will return the config object
         * @param {String} name The config property name
         * @return {Object}
         */
        getConfig: function(name) {
            if (name) {
                return this.config[name];
            }

            return this.config;
        },

        /**
         * Sets the path of a namespace.
         * For Example:
         *
         *     Ext.Loader.setPath('Ext', '.');
         *
         * @param {String/Object} name See {@link Ext.Function#flexSetter flexSetter}
         * @param {String} path See {@link Ext.Function#flexSetter flexSetter}
         * @return {Ext.Loader} this
         * @method
         */
        setPath: flexSetter(function(name, path) {
            this.config.paths[name] = path;

            return this;
        }),

        /**
         * Translates a className to a file path by adding the
         * the proper prefix and converting the .'s to /'s. For example:
         *
         *     Ext.Loader.setPath('My', '/path/to/My');
         *
         *     alert(Ext.Loader.getPath('My.awesome.Class')); // alerts '/path/to/My/awesome/Class.js'
         *
         * Note that the deeper namespace levels, if explicitly set, are always resolved first. For example:
         *
         *     Ext.Loader.setPath({
         *         'My': '/path/to/lib',
         *         'My.awesome': '/other/path/for/awesome/stuff',
         *         'My.awesome.more': '/more/awesome/path'
         *     });
         *
         *     alert(Ext.Loader.getPath('My.awesome.Class')); // alerts '/other/path/for/awesome/stuff/Class.js'
         *
         *     alert(Ext.Loader.getPath('My.awesome.more.Class')); // alerts '/more/awesome/path/Class.js'
         *
         *     alert(Ext.Loader.getPath('My.cool.Class')); // alerts '/path/to/lib/cool/Class.js'
         *
         *     alert(Ext.Loader.getPath('Unknown.strange.Stuff')); // alerts 'Unknown/strange/Stuff.js'
         *
         * @param {String} className
         * @return {String} path
         */
        getPath: function(className) {
            var path = '',
                paths = this.config.paths,
                prefix = this.getPrefix(className);

            if (prefix.length > 0) {
                if (prefix === className) {
                    return paths[prefix];
                }

                path = paths[prefix];
                className = className.substring(prefix.length + 1);
            }

            if (path.length > 0) {
                path += '/';
            }

            return path.replace(/\/\.\//g, '/') + className.replace(/\./g, "/") + '.js';
        },

        /**
         * @private
         * @param {String} className
         */
        getPrefix: function(className) {
            var paths = this.config.paths,
                prefix, deepestPrefix = '';

            if (paths.hasOwnProperty(className)) {
                return className;
            }

            for (prefix in paths) {
                if (paths.hasOwnProperty(prefix) && prefix + '.' === className.substring(0, prefix.length + 1)) {
                    if (prefix.length > deepestPrefix.length) {
                        deepestPrefix = prefix;
                    }
                }
            }

            return deepestPrefix;
        },

        /**
         * Loads all classes by the given names and all their direct dependencies; optionally executes the given callback function when
         * finishes, within the optional scope. This method is aliased by {@link Ext#require Ext.require} for convenience
         * @param {String/Array} expressions Can either be a string or an array of string
         * @param {Function} fn (Optional) The callback function
         * @param {Object} scope (Optional) The execution scope (`this`) of the callback function
         * @param {String/Array} excludes (Optional) Classes to be excluded, useful when being used with expressions
         */
        require: function(expressions, fn, scope, excludes) {
            if (fn) {
                fn.call(scope);
            }
        },

        /**
         * Synchronously loads all classes by the given names and all their direct dependencies; optionally executes the given callback function when finishes, within the optional scope. This method is aliased by {@link Ext#syncRequire} for convenience
         * @param {String/Array} expressions Can either be a string or an array of string
         * @param {Function} fn (Optional) The callback function
         * @param {Object} scope (Optional) The execution scope (`this`) of the callback function
         * @param {String/Array} excludes (Optional) Classes to be excluded, useful when being used with expressions
         */
        syncRequire: function() {},

        /**
         * Explicitly exclude files from being loaded. Useful when used in conjunction with a broad include expression.
         * Can be chained with more `require` and `exclude` methods, eg:
         *
         *     Ext.exclude('Ext.data.*').require('*');
         *
         *     Ext.exclude('widget.button*').require('widget.*');
         *
         * @param {Array} excludes
         * @return {Object} object contains `require` method for chaining
         */
        exclude: function(excludes) {
            var me = this;

            return {
                require: function(expressions, fn, scope) {
                    return me.require(expressions, fn, scope, excludes);
                },

                syncRequire: function(expressions, fn, scope) {
                    return me.syncRequire(expressions, fn, scope, excludes);
                }
            };
        },

        /**
         * Add a new listener to be executed when all required scripts are fully loaded
         *
         * @param {Function} fn The function callback to be executed
         * @param {Object} scope The execution scope (<code>this</code>) of the callback function
         * @param {Boolean} withDomReady Whether or not to wait for document dom ready as well
         */
        onReady: function(fn, scope, withDomReady, options) {
            var oldFn;

            if (withDomReady !== false && Ext.onDocumentReady) {
                oldFn = fn;

                fn = function() {
                    Ext.onDocumentReady(oldFn, scope, options);
                };
            }

            fn.call(scope);
        }
    };

    Ext.apply(Loader, {
        /**
         * @private
         */
        documentHead: typeof document != 'undefined' && (document.head || document.getElementsByTagName('head')[0]),

        /**
         * Flag indicating whether there are still files being loaded
         * @private
         */
        isLoading: false,

        /**
         * Maintain the queue for all dependencies. Each item in the array is an object of the format:
         *
         *     {
         *          requires: [...], // The required classes for this queue item
         *          callback: function() { ... } // The function to execute when all classes specified in requires exist
         *     }
         *
         * @private
         */
        queue: [],

        /**
         * Maintain the list of files that have already been handled so that they never get double-loaded
         * @private
         */
        isClassFileLoaded: {},

        /**
         * @private
         */
        isFileLoaded: {},

        /**
         * Maintain the list of listeners to execute when all required scripts are fully loaded
         * @private
         */
        readyListeners: [],

        /**
         * Contains optional dependencies to be loaded last
         * @private
         */
        optionalRequires: [],

        /**
         * Map of fully qualified class names to an array of dependent classes.
         * @private
         */
        requiresMap: {},

        /**
         * @private
         */
        numPendingFiles: 0,

        /**
         * @private
         */
        numLoadedFiles: 0,

        /** @private */
        hasFileLoadError: false,

        /**
         * @private
         */
        classNameToFilePathMap: {},

        /**
         * @private
         */
        syncModeEnabled: false,

        scriptElements: {},

        /**
         * Refresh all items in the queue. If all dependencies for an item exist during looping,
         * it will execute the callback and call refreshQueue again. Triggers onReady when the queue is
         * empty
         * @private
         */
        refreshQueue: function() {
            var queue = this.queue,
                ln = queue.length,
                i, item, j, requires, references;

            if (ln === 0) {
                this.triggerReady();
                return;
            }

            for (i = 0; i < ln; i++) {
                item = queue[i];

                if (item) {
                    requires = item.requires;
                    references = item.references;

                    // Don't bother checking when the number of files loaded
                    // is still less than the array length
                    if (requires.length > this.numLoadedFiles) {
                        continue;
                    }

                    j = 0;

                    do {
                        if (Manager.isCreated(requires[j])) {
                            // Take out from the queue
                            arrayErase(requires, j, 1);
                        }
                        else {
                            j++;
                        }
                    } while (j < requires.length);

                    if (item.requires.length === 0) {
                        arrayErase(queue, i, 1);
                        item.callback.call(item.scope);
                        this.refreshQueue();
                        break;
                    }
                }
            }

            return this;
        },

        /**
         * Inject a script element to document's head, call onLoad and onError accordingly
         * @private
         */
        injectScriptElement: function(url, onLoad, onError, scope) {
            var script = document.createElement('script'),
                me = this,
                onLoadFn = function() {
                    me.cleanupScriptElement(script);
                    onLoad.call(scope);
                },
                onErrorFn = function() {
                    me.cleanupScriptElement(script);
                    onError.call(scope);
                };

            script.type = 'text/javascript';
            script.src = url;
            script.onload = onLoadFn;
            script.onerror = onErrorFn;
            script.onreadystatechange = function() {
                if (this.readyState === 'loaded' || this.readyState === 'complete') {
                    onLoadFn();
                }
            };

            this.documentHead.appendChild(script);

            return script;
        },

        removeScriptElement: function(url) {
            var scriptElements = this.scriptElements;

            if (scriptElements[url]) {
                this.cleanupScriptElement(scriptElements[url], true);
                delete scriptElements[url];
            }

            return this;
        },

        /**
         * @private
         */
        cleanupScriptElement: function(script, remove) {
            script.onload = null;
            script.onreadystatechange = null;
            script.onerror = null;

            if (remove) {
                this.documentHead.removeChild(script);
            }

            return this;
        },

        /**
         * Load a script file, supports both asynchronous and synchronous approaches
         * @private
         */
        loadScriptFile: function(url, onLoad, onError, scope, synchronous) {
            var me = this,
                isFileLoaded = this.isFileLoaded,
                scriptElements = this.scriptElements,
                noCacheUrl = url + (this.getConfig('disableCaching') ? ('?' + this.getConfig('disableCachingParam') + '=' + Ext.Date.now()) : ''),
                isCrossOriginRestricted = false,
                xhr, status, onScriptError;

            if (isFileLoaded[url]) {
                return this;
            }

            scope = scope || this;

            this.isLoading = true;

            if (!synchronous) {
                onScriptError = function() {
                };

                if (!Ext.isReady && Ext.onDocumentReady) {
                    Ext.onDocumentReady(function() {
                        if (!isFileLoaded[url]) {
                            scriptElements[url] = me.injectScriptElement(noCacheUrl, onLoad, onScriptError, scope);
                        }
                    });
                }
                else {
                    scriptElements[url] = this.injectScriptElement(noCacheUrl, onLoad, onScriptError, scope);
                }
            }
            else {
                if (typeof XMLHttpRequest != 'undefined') {
                    xhr = new XMLHttpRequest();
                } else {
                    xhr = new ActiveXObject('Microsoft.XMLHTTP');
                }

                try {
                    xhr.open('GET', noCacheUrl, false);
                    xhr.send(null);
                } catch (e) {
                    isCrossOriginRestricted = true;
                }

                status = (xhr.status === 1223) ? 204 : xhr.status;

                if (!isCrossOriginRestricted) {
                    isCrossOriginRestricted = (status === 0);
                }

                if (isCrossOriginRestricted
                ) {
                }
                else if (status >= 200 && status < 300
                ) {
                    // Debugger friendly, file names are still shown even though they're eval'ed code
                    // Breakpoints work on both Firebug and Chrome's Web Inspector
                    Ext.globalEval(xhr.responseText + "\n//@ sourceURL=" + url);

                    onLoad.call(scope);
                }
                else {
                }

                // Prevent potential IE memory leak
                xhr = null;
            }
        },

        // documented above
        syncRequire: function() {
            var syncModeEnabled = this.syncModeEnabled;

            if (!syncModeEnabled) {
                this.syncModeEnabled = true;
            }

            this.require.apply(this, arguments);

            if (!syncModeEnabled) {
                this.syncModeEnabled = false;
            }

            this.refreshQueue();
        },

        // documented above
        require: function(expressions, fn, scope, excludes) {
            var excluded = {},
                included = {},
                queue = this.queue,
                classNameToFilePathMap = this.classNameToFilePathMap,
                isClassFileLoaded = this.isClassFileLoaded,
                excludedClassNames = [],
                possibleClassNames = [],
                classNames = [],
                references = [],
                callback,
                syncModeEnabled,
                filePath, expression, exclude, className,
                possibleClassName, i, j, ln, subLn;

            if (excludes) {
                excludes = arrayFrom(excludes);

                for (i = 0,ln = excludes.length; i < ln; i++) {
                    exclude = excludes[i];

                    if (typeof exclude == 'string' && exclude.length > 0) {
                        excludedClassNames = Manager.getNamesByExpression(exclude);

                        for (j = 0,subLn = excludedClassNames.length; j < subLn; j++) {
                            excluded[excludedClassNames[j]] = true;
                        }
                    }
                }
            }

            expressions = arrayFrom(expressions);

            if (fn) {
                if (fn.length > 0) {
                    callback = function() {
                        var classes = [],
                            i, ln, name;

                        for (i = 0,ln = references.length; i < ln; i++) {
                            name = references[i];
                            classes.push(Manager.get(name));
                        }

                        return fn.apply(this, classes);
                    };
                }
                else {
                    callback = fn;
                }
            }
            else {
                callback = Ext.emptyFn;
            }

            scope = scope || Ext.global;

            for (i = 0,ln = expressions.length; i < ln; i++) {
                expression = expressions[i];

                if (typeof expression == 'string' && expression.length > 0) {
                    possibleClassNames = Manager.getNamesByExpression(expression);
                    subLn = possibleClassNames.length;

                    for (j = 0; j < subLn; j++) {
                        possibleClassName = possibleClassNames[j];

                        if (excluded[possibleClassName] !== true) {
                            references.push(possibleClassName);

                            if (!Manager.isCreated(possibleClassName) && !included[possibleClassName]) {
                                included[possibleClassName] = true;
                                classNames.push(possibleClassName);
                            }
                        }
                    }
                }
            }

            // If the dynamic dependency feature is not being used, throw an error
            // if the dependencies are not defined
            if (classNames.length > 0) {
                if (!this.config.enabled) {
                    throw new Error("Ext.Loader is not enabled, so dependencies cannot be resolved dynamically. " +
                             "Missing required class" + ((classNames.length > 1) ? "es" : "") + ": " + classNames.join(', '));
                }
            }
            else {
                callback.call(scope);
                return this;
            }

            syncModeEnabled = this.syncModeEnabled;

            if (!syncModeEnabled) {
                queue.push({
                    requires: classNames.slice(), // this array will be modified as the queue is processed,
                                                  // so we need a copy of it
                    callback: callback,
                    scope: scope
                });
            }

            ln = classNames.length;

            for (i = 0; i < ln; i++) {
                className = classNames[i];

                filePath = this.getPath(className);

                // If we are synchronously loading a file that has already been asychronously loaded before
                // we need to destroy the script tag and revert the count
                // This file will then be forced loaded in synchronous
                if (syncModeEnabled && isClassFileLoaded.hasOwnProperty(className)) {
                    this.numPendingFiles--;
                    this.removeScriptElement(filePath);
                    delete isClassFileLoaded[className];
                }

                if (!isClassFileLoaded.hasOwnProperty(className)) {
                    isClassFileLoaded[className] = false;

                    classNameToFilePathMap[className] = filePath;

                    this.numPendingFiles++;

                    this.loadScriptFile(
                        filePath,
                        pass(this.onFileLoaded, [className, filePath], this),
                        pass(this.onFileLoadError, [className, filePath], this),
                        this,
                        syncModeEnabled
                    );
                }
            }

            if (syncModeEnabled) {
                callback.call(scope);

                if (ln === 1) {
                    return Manager.get(className);
                }
            }

            return this;
        },

        /**
         * @private
         * @param {String} className
         * @param {String} filePath
         */
        onFileLoaded: function(className, filePath) {
            this.numLoadedFiles++;

            this.isClassFileLoaded[className] = true;
            this.isFileLoaded[filePath] = true;

            this.numPendingFiles--;

            if (this.numPendingFiles === 0) {
                this.refreshQueue();
            }

        },

        /**
         * @private
         */
        onFileLoadError: function(className, filePath, errorMessage, isSynchronous) {
            this.numPendingFiles--;
            this.hasFileLoadError = true;

        },

        /**
         * @private
         */
        addOptionalRequires: function(requires) {
            var optionalRequires = this.optionalRequires,
                i, ln, require;

            requires = arrayFrom(requires);

            for (i = 0, ln = requires.length; i < ln; i++) {
                require = requires[i];

                arrayInclude(optionalRequires, require);
            }

            return this;
        },

        /**
         * @private
         */
        triggerReady: function(force) {
            var readyListeners = this.readyListeners,
                optionalRequires = this.optionalRequires,
                listener;

            if (this.isLoading || force) {
                this.isLoading = false;

                if (optionalRequires.length !== 0) {
                    // Clone then empty the array to eliminate potential recursive loop issue
                    optionalRequires = optionalRequires.slice();

                    // Empty the original array
                    this.optionalRequires.length = 0;

                    this.require(optionalRequires, pass(this.triggerReady, [true], this), this);
                    return this;
                }

                while (readyListeners.length) {
                    listener = readyListeners.shift();
                    listener.fn.call(listener.scope);

                    if (this.isLoading) {
                        return this;
                    }
                }
            }

            return this;
        },

        // Documented above already
        onReady: function(fn, scope, withDomReady, options) {
            var oldFn;

            if (withDomReady !== false && Ext.onDocumentReady) {
                oldFn = fn;

                fn = function() {
                    Ext.onDocumentReady(oldFn, scope, options);
                };
            }

            if (!this.isLoading) {
                fn.call(scope);
            }
            else {
                this.readyListeners.push({
                    fn: fn,
                    scope: scope
                });
            }
        },

        /**
         * @private
         * @param {String} className
         */
        historyPush: function(className) {
            var isInHistory = this.isInHistory;

            if (className && this.isClassFileLoaded.hasOwnProperty(className) && !isInHistory[className]) {
                isInHistory[className] = true;
                this.history.push(className);
            }

            return this;
        }
    });

    /**
     * Turns on or off the "cache buster" applied to dynamically loaded scripts. Normally
     * dynamically loaded scripts have an extra query parameter appended to avoid stale
     * cached scripts. This method can be used to disable this mechanism, and is primarily
     * useful for testing. This is done using a cookie.
     * @param {Boolean} disable True to disable the cache buster.
     * @param {String} [path="/"] An optional path to scope the cookie.
     * @private
     */
    Ext.disableCacheBuster = function (disable, path) {
        var date = new Date();
        date.setTime(date.getTime() + (disable ? 10*365 : -1) * 24*60*60*1000);
        date = date.toGMTString();
        document.cookie = 'ext-cache=1; expires=' + date + '; path='+(path || '/');
    };


    /**
     * Convenient alias of {@link Ext.Loader#require}. Please see the introduction documentation of
     * {@link Ext.Loader} for examples.
     * @member Ext
     * @method require
     */
    Ext.require = alias(Loader, 'require');

    /**
     * Synchronous version of {@link Ext#require}, convenient alias of {@link Ext.Loader#syncRequire}.
     *
     * @member Ext
     * @method syncRequire
     */
    Ext.syncRequire = alias(Loader, 'syncRequire');

    /**
     * Convenient shortcut to {@link Ext.Loader#exclude}
     * @member Ext
     * @method exclude
     */
    Ext.exclude = alias(Loader, 'exclude');

    /**
     * @member Ext
     * @method onReady
     */
    Ext.onReady = function(fn, scope, options) {
        Loader.onReady(fn, scope, true, options);
    };

    /**
     * @cfg {String[]} requires
     * @member Ext.Class
     * List of classes that have to be loaded before instantiating this class.
     * For example:
     *
     *     Ext.define('Mother', {
     *         requires: ['Child'],
     *         giveBirth: function() {
     *             // we can be sure that child class is available.
     *             return new Child();
     *         }
     *     });
     */
    Class.registerPreprocessor('loader', function(cls, data, hooks, continueFn) {
        var me = this,
            dependencies = [],
            className = Manager.getName(cls),
            i, j, ln, subLn, value, propertyName, propertyValue;

        /*
        Loop through the dependencyProperties, look for string class names and push
        them into a stack, regardless of whether the property's value is a string, array or object. For example:
        {
              extend: 'Ext.MyClass',
              requires: ['Ext.some.OtherClass'],
              mixins: {
                  observable: 'Ext.util.Observable';
              }
        }
        which will later be transformed into:
        {
              extend: Ext.MyClass,
              requires: [Ext.some.OtherClass],
              mixins: {
                  observable: Ext.util.Observable;
              }
        }
        */

        for (i = 0,ln = dependencyProperties.length; i < ln; i++) {
            propertyName = dependencyProperties[i];

            if (data.hasOwnProperty(propertyName)) {
                propertyValue = data[propertyName];

                if (typeof propertyValue == 'string') {
                    dependencies.push(propertyValue);
                }
                else if (propertyValue instanceof Array) {
                    for (j = 0, subLn = propertyValue.length; j < subLn; j++) {
                        value = propertyValue[j];

                        if (typeof value == 'string') {
                            dependencies.push(value);
                        }
                    }
                }
                else if (typeof propertyValue != 'function') {
                    for (j in propertyValue) {
                        if (propertyValue.hasOwnProperty(j)) {
                            value = propertyValue[j];

                            if (typeof value == 'string') {
                                dependencies.push(value);
                            }
                        }
                    }
                }
            }
        }

        if (dependencies.length === 0) {
            return;
        }


        Loader.require(dependencies, function() {
            for (i = 0,ln = dependencyProperties.length; i < ln; i++) {
                propertyName = dependencyProperties[i];

                if (data.hasOwnProperty(propertyName)) {
                    propertyValue = data[propertyName];

                    if (typeof propertyValue == 'string') {
                        data[propertyName] = Manager.get(propertyValue);
                    }
                    else if (propertyValue instanceof Array) {
                        for (j = 0, subLn = propertyValue.length; j < subLn; j++) {
                            value = propertyValue[j];

                            if (typeof value == 'string') {
                                data[propertyName][j] = Manager.get(value);
                            }
                        }
                    }
                    else if (typeof propertyValue != 'function') {
                        for (var k in propertyValue) {
                            if (propertyValue.hasOwnProperty(k)) {
                                value = propertyValue[k];

                                if (typeof value == 'string') {
                                    data[propertyName][k] = Manager.get(value);
                                }
                            }
                        }
                    }
                }
            }

            continueFn.call(me, cls, data, hooks);
        });

        return false;
    }, true, 'after', 'className');

    /**
     * @cfg {String[]} uses
     * @member Ext.Class
     * List of optional classes to load together with this class. These aren't neccessarily loaded before
     * this class is created, but are guaranteed to be available before Ext.onReady listeners are
     * invoked. For example:
     *
     *     Ext.define('Mother', {
     *         uses: ['Child'],
     *         giveBirth: function() {
     *             // This code might, or might not work:
     *             // return new Child();
     *
     *             // Instead use Ext.create() to load the class at the spot if not loaded already:
     *             return Ext.create('Child');
     *         }
     *     });
     */
    Manager.registerPostprocessor('uses', function(name, cls, data) {
        var uses = arrayFrom(data.uses),
            items = [],
            i, ln, item;

        for (i = 0,ln = uses.length; i < ln; i++) {
            item = uses[i];

            if (typeof item == 'string') {
                items.push(item);
            }
        }

        Loader.addOptionalRequires(items);
    });

    Manager.onCreated(function(className) {
        this.historyPush(className);
    }, Loader);

})(Ext.ClassManager, Ext.Class, Ext.Function.flexSetter, Ext.Function.alias,
   Ext.Function.pass, Ext.Array.from, Ext.Array.erase, Ext.Array.include);

/**
 * @author Brian Moeskau <brian@sencha.com>
 * @docauthor Brian Moeskau <brian@sencha.com>
 *
 * A wrapper class for the native JavaScript Error object that adds a few useful capabilities for handling
 * errors in an Ext application. When you use Ext.Error to {@link #raise} an error from within any class that
 * uses the Ext 4 class system, the Error class can automatically add the source class and method from which
 * the error was raised. It also includes logic to automatically log the eroor to the console, if available,
 * with additional metadata about the error. In all cases, the error will always be thrown at the end so that
 * execution will halt.
 *
 * Ext.Error also offers a global error {@link #handle handling} method that can be overridden in order to
 * handle application-wide errors in a single spot. You can optionally {@link #ignore} errors altogether,
 * although in a real application it's usually a better idea to override the handling function and perform
 * logging or some other method of reporting the errors in a way that is meaningful to the application.
 *
 * At its simplest you can simply raise an error as a simple string from within any code:
 *
 * Example usage:
 *
 *     Ext.Error.raise('Something bad happened!');
 *
 * If raised from plain JavaScript code, the error will be logged to the console (if available) and the message
 * displayed. In most cases however you'll be raising errors from within a class, and it may often be useful to add
 * additional metadata about the error being raised.  The {@link #raise} method can also take a config object.
 * In this form the `msg` attribute becomes the error description, and any other data added to the config gets
 * added to the error object and, if the console is available, logged to the console for inspection.
 *
 * Example usage:
 *
 *     Ext.define('Ext.Foo', {
 *         doSomething: function(option){
 *             if (someCondition === false) {
 *                 Ext.Error.raise({
 *                     msg: 'You cannot do that!',
 *                     option: option,   // whatever was passed into the method
 *                     'error code': 100 // other arbitrary info
 *                 });
 *             }
 *         }
 *     });
 *
 * If a console is available (that supports the `console.dir` function) you'll see console output like:
 *
 *     An error was raised with the following data:
 *     option:         Object { foo: "bar"}
 *         foo:        "bar"
 *     error code:     100
 *     msg:            "You cannot do that!"
 *     sourceClass:   "Ext.Foo"
 *     sourceMethod:  "doSomething"
 *
 *     uncaught exception: You cannot do that!
 *
 * As you can see, the error will report exactly where it was raised and will include as much information as the
 * raising code can usefully provide.
 *
 * If you want to handle all application errors globally you can simply override the static {@link #handle} method
 * and provide whatever handling logic you need. If the method returns true then the error is considered handled
 * and will not be thrown to the browser. If anything but true is returned then the error will be thrown normally.
 *
 * Example usage:
 *
 *     Ext.Error.handle = function(err) {
 *         if (err.someProperty == 'NotReallyAnError') {
 *             // maybe log something to the application here if applicable
 *             return true;
 *         }
 *         // any non-true return value (including none) will cause the error to be thrown
 *     }
 *
 */
Ext.Error = Ext.extend(Error, {
    statics: {
        /**
         * @property {Boolean} ignore
         * Static flag that can be used to globally disable error reporting to the browser if set to true
         * (defaults to false). Note that if you ignore Ext errors it's likely that some other code may fail
         * and throw a native JavaScript error thereafter, so use with caution. In most cases it will probably
         * be preferable to supply a custom error {@link #handle handling} function instead.
         *
         * Example usage:
         *
         *     Ext.Error.ignore = true;
         *
         * @static
         */
        ignore: false,

        /**
         * @property {Boolean} notify
         * Static flag that can be used to globally control error notification to the user. Unlike
         * Ex.Error.ignore, this does not effect exceptions. They are still thrown. This value can be
         * set to false to disable the alert notification (default is true for IE6 and IE7).
         *
         * Only the first error will generate an alert. Internally this flag is set to false when the
         * first error occurs prior to displaying the alert.
         *
         * This flag is not used in a release build.
         *
         * Example usage:
         *
         *     Ext.Error.notify = false;
         *
         * @static
         */
        //notify: Ext.isIE6 || Ext.isIE7,

        /**
         * Raise an error that can include additional data and supports automatic console logging if available.
         * You can pass a string error message or an object with the `msg` attribute which will be used as the
         * error message. The object can contain any other name-value attributes (or objects) to be logged
         * along with the error.
         *
         * Note that after displaying the error message a JavaScript error will ultimately be thrown so that
         * execution will halt.
         *
         * Example usage:
         *
         *     Ext.Error.raise('A simple string error message');
         *
         *     // or...
         *
         *     Ext.define('Ext.Foo', {
         *         doSomething: function(option){
         *             if (someCondition === false) {
         *                 Ext.Error.raise({
         *                     msg: 'You cannot do that!',
         *                     option: option,   // whatever was passed into the method
         *                     'error code': 100 // other arbitrary info
         *                 });
         *             }
         *         }
         *     });
         *
         * @param {String/Object} err The error message string, or an object containing the attribute "msg" that will be
         * used as the error message. Any other data included in the object will also be logged to the browser console,
         * if available.
         * @static
         */
        raise: function(err){
            err = err || {};
            if (Ext.isString(err)) {
                err = { msg: err };
            }

            var method = this.raise.caller;

            if (method) {
                if (method.$name) {
                    err.sourceMethod = method.$name;
                }
                if (method.$owner) {
                    err.sourceClass = method.$owner.$className;
                }
            }

            if (Ext.Error.handle(err) !== true) {
                var msg = Ext.Error.prototype.toString.call(err);

                Ext.log({
                    msg: msg,
                    level: 'error',
                    dump: err,
                    stack: true
                });

                throw new Ext.Error(err);
            }
        },

        /**
         * Globally handle any Ext errors that may be raised, optionally providing custom logic to
         * handle different errors individually. Return true from the function to bypass throwing the
         * error to the browser, otherwise the error will be thrown and execution will halt.
         *
         * Example usage:
         *
         *     Ext.Error.handle = function(err) {
         *         if (err.someProperty == 'NotReallyAnError') {
         *             // maybe log something to the application here if applicable
         *             return true;
         *         }
         *         // any non-true return value (including none) will cause the error to be thrown
         *     }
         *
         * @param {Ext.Error} err The Ext.Error object being raised. It will contain any attributes that were originally
         * raised with it, plus properties about the method and class from which the error originated (if raised from a
         * class that uses the Ext 4 class system).
         * @static
         */
        handle: function(){
            return Ext.Error.ignore;
        }
    },

    // This is the standard property that is the name of the constructor.
    name: 'Ext.Error',

    /**
     * Creates new Error object.
     * @param {String/Object} config The error message string, or an object containing the
     * attribute "msg" that will be used as the error message. Any other data included in
     * the object will be applied to the error instance and logged to the browser console, if available.
     */
    constructor: function(config){
        if (Ext.isString(config)) {
            config = { msg: config };
        }

        var me = this;

        Ext.apply(me, config);

        me.message = me.message || me.msg; // 'message' is standard ('msg' is non-standard)
        // note: the above does not work in old WebKit (me.message is readonly) (Safari 4)
    },

    /**
     * Provides a custom string representation of the error object. This is an override of the base JavaScript
     * `Object.toString` method, which is useful so that when logged to the browser console, an error object will
     * be displayed with a useful message instead of `[object Object]`, the default `toString` result.
     *
     * The default implementation will include the error message along with the raising class and method, if available,
     * but this can be overridden with a custom implementation either at the prototype level (for all errors) or on
     * a particular error instance, if you want to provide a custom description that will show up in the console.
     * @return {String} The error message. If raised from within the Ext 4 class system, the error message will also
     * include the raising class and method names, if available.
     */
    toString: function(){
        var me = this,
            className = me.className ? me.className  : '',
            methodName = me.methodName ? '.' + me.methodName + '(): ' : '',
            msg = me.msg || '(No description provided)';

        return className + methodName + msg;
    }
});

/*
 * Create a function that will throw an error if called (in debug mode) with a message that
 * indicates the method has been removed.
 * @param {String} suggestion Optional text to include in the message (a workaround perhaps).
 * @return {Function} The generated function.
 * @private
 */
Ext.deprecated = function (suggestion) {
    return Ext.emptyFn;
};

/*
 * This mechanism is used to notify the user of the first error encountered on the page. This
 * was previously internal to Ext.Error.raise and is a desirable feature since errors often
 * slip silently under the radar. It cannot live in Ext.Error.raise since there are times
 * where exceptions are handled in a try/catch.
 */


/**
 * @class Ext.JSON
 * Modified version of Douglas Crockford's JSON.js that doesn't
 * mess with the Object prototype
 * http://www.json.org/js.html
 * @singleton
 */
Ext.JSON = new(function() {
    var me = this,
    encodingFunction,
    decodingFunction,
    useNative = null,
    useHasOwn = !! {}.hasOwnProperty,
    isNative = function() {
        if (useNative === null) {
            useNative = Ext.USE_NATIVE_JSON && window.JSON && JSON.toString() == '[object JSON]';
        }
        return useNative;
    },
    pad = function(n) {
        return n < 10 ? "0" + n : n;
    },
    doDecode = function(json) {
        return eval("(" + json + ')');
    },
    doEncode = function(o, newline) {
        // http://jsperf.com/is-undefined
        if (o === null || o === undefined) {
            return "null";
        } else if (Ext.isDate(o)) {
            return Ext.JSON.encodeDate(o);
        } else if (Ext.isString(o)) {
            return encodeString(o);
        }
        // Allow custom zerialization by adding a toJSON method to any object type.
        // Date/String have a toJSON in some environments, so check these first.
        else if (o.toJSON) {
            return o.toJSON();
        } else if (Ext.isArray(o)) {
            return encodeArray(o, newline);
        } else if (typeof o == "number") {
            //don't use isNumber here, since finite checks happen inside isNumber
            return isFinite(o) ? String(o) : "null";
        } else if (Ext.isBoolean(o)) {
            return String(o);
        } else if (Ext.isObject(o)) {
            return encodeObject(o, newline);
        } else if (typeof o === "function") {
            return "null";
        }
        return 'undefined';
    },
    m = {
        "\b": '\\b',
        "\t": '\\t',
        "\n": '\\n',
        "\f": '\\f',
        "\r": '\\r',
        '"': '\\"',
        "\\": '\\\\',
        '\x0b': '\\u000b' //ie doesn't handle \v
    },
    charToReplace = /[\\\"\x00-\x1f\x7f-\uffff]/g,
    encodeString = function(s) {
        return '"' + s.replace(charToReplace, function(a) {
            var c = m[a];
            return typeof c === 'string' ? c : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
        }) + '"';
    },


    encodeArray = function(o, newline) {

        var a = ["[", ""], // Note empty string in case there are no serializable members.
            len = o.length,
            i;
        for (i = 0; i < len; i += 1) {
            a.push(doEncode(o[i]), ',');
        }
        // Overwrite trailing comma (or empty string)
        a[a.length - 1] = ']';
        return a.join("");
    },

    encodeObject = function(o, newline) {

        var a = ["{", ""], // Note empty string in case there are no serializable members.
            i;
        for (i in o) {
            if (!useHasOwn || o.hasOwnProperty(i)) {
                a.push(doEncode(i), ":", doEncode(o[i]), ',');
            }
        }
        // Overwrite trailing comma (or empty string)
        a[a.length - 1] = '}';
        return a.join("");
    };

    /**
     * The function which {@link #encode} uses to encode all javascript values to their JSON representations
     * when {@link Ext#USE_NATIVE_JSON} is `false`.
     * 
     * This is made public so that it can be replaced with a custom implementation.
     *
     * @param {Object} o Any javascript value to be converted to its JSON representation
     * @return {String} The JSON representation of the passed value.
     * @method
     */
    me.encodeValue = doEncode;

    /**
     * Encodes a Date. This returns the actual string which is inserted into the JSON string as the literal expression.
     * **The returned value includes enclosing double quotation marks.**
     *
     * The default return format is "yyyy-mm-ddThh:mm:ss".
     *
     * To override this:
     *    Ext.JSON.encodeDate = function(d) {
     *        return Ext.Date.format(d, '"Y-m-d"');
     *    };
     *
     * @param {Date} d The Date to encode
     * @return {String} The string literal to use in a JSON string.
     */
    me.encodeDate = function(o) {
        return '"' + o.getFullYear() + "-"
        + pad(o.getMonth() + 1) + "-"
        + pad(o.getDate()) + "T"
        + pad(o.getHours()) + ":"
        + pad(o.getMinutes()) + ":"
        + pad(o.getSeconds()) + '"';
    };

    /**
     * Encodes an Object, Array or other value.
     * 
     * If the environment's native JSON encoding is not being used ({@link Ext#USE_NATIVE_JSON} is not set, or the environment does not support it), then 
     * ExtJS's encoding will be used. This allows the developer to add a `toJSON` method to their classes which need serializing to return a valid
     * JSON representation of the object.
     * 
     * @param {Object} o The variable to encode
     * @return {String} The JSON string
     */
    me.encode = function(o) {
        if (!encodingFunction) {
            // setup encoding function on first access
            encodingFunction = isNative() ? JSON.stringify : me.encodeValue;
        }
        return encodingFunction(o);
    };

    /**
     * Decodes (parses) a JSON string to an object. If the JSON is invalid, this function throws a SyntaxError unless the safe option is set.
     * @param {String} json The JSON string
     * @param {Boolean} safe (optional) Whether to return null or throw an exception if the JSON is invalid.
     * @return {Object} The resulting object
     */
    me.decode = function(json, safe) {
        if (!decodingFunction) {
            // setup decoding function on first access
            decodingFunction = isNative() ? JSON.parse : doDecode;
        }
        try {
            return decodingFunction(json);
        } catch (e) {
            if (safe === true) {
                return null;
            }
            Ext.Error.raise({
                sourceClass: "Ext.JSON",
                sourceMethod: "decode",
                msg: "You're trying to decode an invalid JSON String: " + json
            });
        }
    };
})();
/**
 * Shorthand for {@link Ext.JSON#encode}
 * @member Ext
 * @method encode
 * @inheritdoc Ext.JSON#encode
 */
Ext.encode = Ext.JSON.encode;
/**
 * Shorthand for {@link Ext.JSON#decode}
 * @member Ext
 * @method decode
 * @inheritdoc Ext.JSON#decode
 */
Ext.decode = Ext.JSON.decode;
/**
 * @class Ext
 *
 * The Ext namespace (global object) encapsulates all classes, singletons, and
 * utility methods provided by Sencha's libraries.
 *
 * Most user interface Components are at a lower level of nesting in the namespace,
 * but many common utility functions are provided as direct properties of the Ext namespace.
 *
 * Also many frequently used methods from other classes are provided as shortcuts
 * within the Ext namespace. For example {@link Ext#getCmp Ext.getCmp} aliases
 * {@link Ext.ComponentManager#get Ext.ComponentManager.get}.
 *
 * Many applications are initiated with {@link Ext#onReady Ext.onReady} which is
 * called once the DOM is ready. This ensures all scripts have been loaded,
 * preventing dependency issues. For example:
 *
 *     Ext.onReady(function(){
 *         new Ext.Component({
 *             renderTo: document.body,
 *             html: 'DOM ready!'
 *         });
 *     });
 *
 * For more information about how to use the Ext classes, see:
 *
 * - <a href="http://www.sencha.com/learn/">The Learning Center</a>
 * - <a href="http://www.sencha.com/learn/Ext_FAQ">The FAQ</a>
 * - <a href="http://www.sencha.com/forum/">The forums</a>
 *
 * @singleton
 */
Ext.apply(Ext, {
    userAgent: navigator.userAgent.toLowerCase(),
    cache: {},
    idSeed: 1000,
    windowId: 'ext-window',
    documentId: 'ext-document',

    /**
     * True when the document is fully initialized and ready for action
     */
    isReady: false,

    /**
     * True to automatically uncache orphaned Ext.Elements periodically
     */
    enableGarbageCollector: true,

    /**
     * True to automatically purge event listeners during garbageCollection.
     */
    enableListenerCollection: true,
    
    /**
     * Generates unique ids. If the element already has an id, it is unchanged
     * @param {HTMLElement/Ext.Element} [el] The element to generate an id for
     * @param {String} prefix (optional) Id prefix (defaults "ext-gen")
     * @return {String} The generated Id.
     */
    id: function(el, prefix) {
        var me = this,
            sandboxPrefix = '';
        el = Ext.getDom(el, true) || {};
        if (el === document) {
            el.id = me.documentId;
        }
        else if (el === window) {
            el.id = me.windowId;
        }
        if (!el.id) {
            if (me.isSandboxed) {
                sandboxPrefix = Ext.sandboxName.toLowerCase() + '-';
            }
            el.id = sandboxPrefix + (prefix || "ext-gen") + (++Ext.idSeed);
        }
        return el.id;
    },

    /**
     * Returns the current document body as an {@link Ext.Element}.
     * @return Ext.Element The document body
     */
    getBody: function() {
        var body;
        return function() {
            return body || (body = Ext.get(document.body));
        };
    }(),

    /**
     * Returns the current document head as an {@link Ext.Element}.
     * @return Ext.Element The document head
     * @method
     */
    getHead: function() {
        var head;
        return function() {
            return head || (head = Ext.get(document.getElementsByTagName("head")[0]));
        };
    }(),

    /**
     * Returns the current HTML document object as an {@link Ext.Element}.
     * @return Ext.Element The document
     */
    getDoc: function() {
        var doc;
        return function() {
            return doc || (doc = Ext.get(document));
        };
    }(),

    /**
     * This is shorthand reference to {@link Ext.ComponentManager#get}.
     * Looks up an existing {@link Ext.Component Component} by {@link Ext.Component#id id}
     *
     * @param {String} id The component {@link Ext.Component#id id}
     * @return Ext.Component The Component, `undefined` if not found, or `null` if a
     * Class was found.
    */
    getCmp: function(id) {
        return Ext.ComponentManager.get(id);
    },

    /**
     * Returns the current orientation of the mobile device
     * @return {String} Either 'portrait' or 'landscape'
     */
    getOrientation: function() {
        return window.innerHeight > window.innerWidth ? 'portrait' : 'landscape';
    },

    /**
     * Attempts to destroy any objects passed to it by removing all event listeners, removing them from the
     * DOM (if applicable) and calling their destroy functions (if available).  This method is primarily
     * intended for arguments of type {@link Ext.Element} and {@link Ext.Component}, but any subclass of
     * {@link Ext.util.Observable} can be passed in.  Any number of elements and/or components can be
     * passed into this function in a single call as separate arguments.
     *
     * @param {Ext.Element/Ext.Component/Ext.Element[]/Ext.Component[]...} args
     * An {@link Ext.Element}, {@link Ext.Component}, or an Array of either of these to destroy
     */
    destroy: function() {
        var ln = arguments.length,
        i, arg;

        for (i = 0; i < ln; i++) {
            arg = arguments[i];
            if (arg) {
                if (Ext.isArray(arg)) {
                    this.destroy.apply(this, arg);
                }
                else if (Ext.isFunction(arg.destroy)) {
                    arg.destroy();
                }
                else if (arg.dom) {
                    arg.remove();
                }
            }
        }
    },

    /**
     * Execute a callback function in a particular scope. If no function is passed the call is ignored.
     *
     * For example, these lines are equivalent:
     *
     *     Ext.callback(myFunc, this, [arg1, arg2]);
     *     Ext.isFunction(myFunc) && myFunc.apply(this, [arg1, arg2]);
     *
     * @param {Function} callback The callback to execute
     * @param {Object} [scope] The scope to execute in
     * @param {Array} [args] The arguments to pass to the function
     * @param {Number} [delay] Pass a number to delay the call by a number of milliseconds.
     */
    callback: function(callback, scope, args, delay){
        if(Ext.isFunction(callback)){
            args = args || [];
            scope = scope || window;
            if (delay) {
                Ext.defer(callback, delay, scope, args);
            } else {
                callback.apply(scope, args);
            }
        }
    },

    /**
     * Alias for {@link Ext.String#htmlEncode}.
     * @inheritdoc Ext.String#htmlEncode
     */
    htmlEncode : function(value) {
        return Ext.String.htmlEncode(value);
    },

    /**
     * Alias for {@link Ext.String#htmlDecode}.
     * @inheritdoc Ext.String#htmlDecode
     */
    htmlDecode : function(value) {
         return Ext.String.htmlDecode(value);
    },

    /**
     * Alias for {@link Ext.String#urlAppend}.
     * @inheritdoc Ext.String#urlAppend
     */
    urlAppend : function(url, s) {
        return Ext.String.urlAppend(url, s);
    }
});


Ext.ns = Ext.namespace;

// for old browsers
window.undefined = window.undefined;

/**
 * @class Ext
 */
(function(){
/*
FF 3.6      - Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.17) Gecko/20110420 Firefox/3.6.17
FF 4.0.1    - Mozilla/5.0 (Windows NT 5.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1
FF 5.0      - Mozilla/5.0 (Windows NT 6.1; WOW64; rv:5.0) Gecko/20100101 Firefox/5.0

IE6         - Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1;)
IE7         - Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1;)
IE8         - Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)
IE9         - Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)

Chrome 11   - Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.24 (KHTML, like Gecko) Chrome/11.0.696.60 Safari/534.24

Safari 5    - Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.21.1 (KHTML, like Gecko) Version/5.0.5 Safari/533.21.1

Opera 11.11 - Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11
*/
    var check = function(regex){
            return regex.test(Ext.userAgent);
        },
        isStrict = document.compatMode == "CSS1Compat",
        version = function (is, regex) {
            var m;
            return (is && (m = regex.exec(Ext.userAgent))) ? parseFloat(m[1]) : 0;
        },
        docMode = document.documentMode,
        isOpera = check(/opera/),
        isOpera10_5 = isOpera && check(/version\/10\.5/),
        isChrome = check(/\bchrome\b/),
        isWebKit = check(/webkit/),
        isSafari = !isChrome && check(/safari/),
        isSafari2 = isSafari && check(/applewebkit\/4/), // unique to Safari 2
        isSafari3 = isSafari && check(/version\/3/),
        isSafari4 = isSafari && check(/version\/4/),
        isSafari5 = isSafari && check(/version\/5/),
        isIE = !isOpera && check(/msie/),
        isIE7 = isIE && ((check(/msie 7/) && docMode != 8 && docMode != 9) || docMode == 7),
        isIE8 = isIE && ((check(/msie 8/) && docMode != 7 && docMode != 9) || docMode == 8),
        isIE9 = isIE && ((check(/msie 9/) && docMode != 7 && docMode != 8) || docMode == 9),
        isIE6 = isIE && check(/msie 6/),
        isGecko = !isWebKit && check(/gecko/),
        isGecko3 = isGecko && check(/rv:1\.9/),
        isGecko4 = isGecko && check(/rv:2\.0/),
        isGecko5 = isGecko && check(/rv:5\./),
        isGecko10 = isGecko && check(/rv:10\./),
        isFF3_0 = isGecko3 && check(/rv:1\.9\.0/),
        isFF3_5 = isGecko3 && check(/rv:1\.9\.1/),
        isFF3_6 = isGecko3 && check(/rv:1\.9\.2/),
        isWindows = check(/windows|win32/),
        isMac = check(/macintosh|mac os x/),
        isLinux = check(/linux/),
        scrollbarSize = null,
        chromeVersion = version(true, /\bchrome\/(\d+\.\d+)/),
        firefoxVersion = version(true, /\bfirefox\/(\d+\.\d+)/),
        ieVersion = version(isIE, /msie (\d+\.\d+)/),
        operaVersion = version(isOpera, /version\/(\d+\.\d+)/),
        safariVersion = version(isSafari, /version\/(\d+\.\d+)/),
        webKitVersion = version(isWebKit, /webkit\/(\d+\.\d+)/),
        isSecure = /^https/i.test(window.location.protocol);

    // remove css image flicker
    try {
        document.execCommand("BackgroundImageCache", false, true);
    } catch(e) {}



    var nullLog = function () {};
    nullLog.info = nullLog.warn = nullLog.error = Ext.emptyFn;

    Ext.setVersion('extjs', '4.1.0');
    Ext.apply(Ext, {
        /**
         * @property {String} SSL_SECURE_URL
         * URL to a blank file used by Ext when in secure mode for iframe src and onReady src
         * to prevent the IE insecure content warning (`'about:blank'`, except for IE
         * in secure mode, which is `'javascript:""'`).
         */
        SSL_SECURE_URL : isSecure && isIE ? 'javascript:\'\'' : 'about:blank',

        /**
         * @property {Boolean} enableFx
         * True if the {@link Ext.fx.Anim} Class is available.
         */

        /**
         * @property {Boolean} scopeResetCSS
         * True to scope the reset CSS to be just applied to Ext components. Note that this
         * wraps root containers with an additional element. Also remember that when you turn
         * on this option, you have to use ext-all-scoped (unless you use the bootstrap.js to
         * load your javascript, in which case it will be handled for you).
         */
        scopeResetCSS : Ext.buildSettings.scopeResetCSS,
        
        /**
         * @property {String} resetCls
         * The css class used to wrap Ext components when the {@link #scopeResetCSS} option
         * is used.
         */
        resetCls: Ext.buildSettings.baseCSSPrefix + 'reset',

        /**
         * @property {Boolean} enableNestedListenerRemoval
         * **Experimental.** True to cascade listener removal to child elements when an element
         * is removed. Currently not optimized for performance.
         */
        enableNestedListenerRemoval : false,

        /**
         * @property {Boolean} USE_NATIVE_JSON
         * Indicates whether to use native browser parsing for JSON methods.
         * This option is ignored if the browser does not support native JSON methods.
         *
         * **Note:** Native JSON methods will not work with objects that have functions.
         * Also, property names must be quoted, otherwise the data will not parse.
         */
        USE_NATIVE_JSON : false,

        /**
         * Returns the dom node for the passed String (id), dom node, or Ext.Element.
         * Optional 'strict' flag is needed for IE since it can return 'name' and
         * 'id' elements by using getElementById.
         *
         * Here are some examples:
         *
         *     // gets dom node based on id
         *     var elDom = Ext.getDom('elId');
         *     // gets dom node based on the dom node
         *     var elDom1 = Ext.getDom(elDom);
         *
         *     // If we don&#39;t know if we are working with an
         *     // Ext.Element or a dom node use Ext.getDom
         *     function(el){
         *         var dom = Ext.getDom(el);
         *         // do something with the dom node
         *     }
         *
         * **Note:** the dom node to be found actually needs to exist (be rendered, etc)
         * when this method is called to be successful.
         *
         * @param {String/HTMLElement/Ext.Element} el
         * @return HTMLElement
         */
        getDom : function(el, strict) {
            if (!el || !document) {
                return null;
            }
            if (el.dom) {
                return el.dom;
            } else {
                if (typeof el == 'string') {
                    var e = Ext.getElementById(el);
                    // IE returns elements with the 'name' and 'id' attribute.
                    // we do a strict check to return the element with only the id attribute
                    if (e && isIE && strict) {
                        if (el == e.getAttribute('id')) {
                            return e;
                        } else {
                            return null;
                        }
                    }
                    return e;
                } else {
                    return el;
                }
            }
        },

        /**
         * Removes a DOM node from the document.
         *
         * Removes this element from the document, removes all DOM event listeners, and
         * deletes the cache reference. All DOM event listeners are removed from this element.
         * If {@link Ext#enableNestedListenerRemoval Ext.enableNestedListenerRemoval} is
         * `true`, then DOM event listeners are also removed from all child nodes.
         * The body node will be ignored if passed in.
         *
         * @param {HTMLElement} node The node to remove
         * @method
         */
        removeNode : isIE6 || isIE7 ? function() {
            var d;
            return function(n){
                if(n && n.tagName != 'BODY'){
                    (Ext.enableNestedListenerRemoval) ? Ext.EventManager.purgeElement(n) : Ext.EventManager.removeAll(n);
                    d = d || document.createElement('div');
                    d.appendChild(n);
                    d.innerHTML = '';
                    delete Ext.cache[n.id];
                }
            };
        }() : function(n) {
            if (n && n.parentNode && n.tagName != 'BODY') {
                (Ext.enableNestedListenerRemoval) ? Ext.EventManager.purgeElement(n) : Ext.EventManager.removeAll(n);
                n.parentNode.removeChild(n);
                delete Ext.cache[n.id];
            }
        },

        isStrict: isStrict,

        isIEQuirks: isIE && !isStrict,

        /**
         * True if the detected browser is Opera.
         * @type Boolean
         */
        isOpera : isOpera,

        /**
         * True if the detected browser is Opera 10.5x.
         * @type Boolean
         */
        isOpera10_5 : isOpera10_5,

        /**
         * True if the detected browser uses WebKit.
         * @type Boolean
         */
        isWebKit : isWebKit,

        /**
         * True if the detected browser is Chrome.
         * @type Boolean
         */
        isChrome : isChrome,

        /**
         * True if the detected browser is Safari.
         * @type Boolean
         */
        isSafari : isSafari,

        /**
         * True if the detected browser is Safari 3.x.
         * @type Boolean
         */
        isSafari3 : isSafari3,

        /**
         * True if the detected browser is Safari 4.x.
         * @type Boolean
         */
        isSafari4 : isSafari4,

        /**
         * True if the detected browser is Safari 5.x.
         * @type Boolean
         */
        isSafari5 : isSafari5,

        /**
         * True if the detected browser is Safari 2.x.
         * @type Boolean
         */
        isSafari2 : isSafari2,

        /**
         * True if the detected browser is Internet Explorer.
         * @type Boolean
         */
        isIE : isIE,

        /**
         * True if the detected browser is Internet Explorer 6.x.
         * @type Boolean
         */
        isIE6 : isIE6,

        /**
         * True if the detected browser is Internet Explorer 7.x.
         * @type Boolean
         */
        isIE7 : isIE7,

        /**
         * True if the detected browser is Internet Explorer 8.x.
         * @type Boolean
         */
        isIE8 : isIE8,

        /**
         * True if the detected browser is Internet Explorer 9.x.
         * @type Boolean
         */
        isIE9 : isIE9,

        /**
         * True if the detected browser uses the Gecko layout engine (e.g. Mozilla, Firefox).
         * @type Boolean
         */
        isGecko : isGecko,

        /**
         * True if the detected browser uses a Gecko 1.9+ layout engine (e.g. Firefox 3.x).
         * @type Boolean
         */
        isGecko3 : isGecko3,

        /**
         * True if the detected browser uses a Gecko 2.0+ layout engine (e.g. Firefox 4.x).
         * @type Boolean
         */
        isGecko4 : isGecko4,

        /**
         * True if the detected browser uses a Gecko 5.0+ layout engine (e.g. Firefox 5.x).
         * @type Boolean
         */
        isGecko5 : isGecko5,

        /**
         * True if the detected browser uses a Gecko 5.0+ layout engine (e.g. Firefox 5.x).
         * @type Boolean
         */
        isGecko10 : isGecko10,

        /**
         * True if the detected browser uses FireFox 3.0
         * @type Boolean
         */
        isFF3_0 : isFF3_0,

        /**
         * True if the detected browser uses FireFox 3.5
         * @type Boolean
         */
        isFF3_5 : isFF3_5,

        /**
         * True if the detected browser uses FireFox 3.6
         * @type Boolean
         */
        isFF3_6 : isFF3_6,

        /**
         * True if the detected browser uses FireFox 4
         * @type Boolean
         */
        isFF4 : 4 <= firefoxVersion && firefoxVersion < 5,

        /**
         * True if the detected browser uses FireFox 5
         * @type Boolean
         */
        isFF5 : 5 <= firefoxVersion && firefoxVersion < 6,

        /**
         * True if the detected browser uses FireFox 10
         * @type Boolean
         */
        isFF10 : 10 <= firefoxVersion && firefoxVersion < 11,

        /**
         * True if the detected platform is Linux.
         * @type Boolean
         */
        isLinux : isLinux,

        /**
         * True if the detected platform is Windows.
         * @type Boolean
         */
        isWindows : isWindows,

        /**
         * True if the detected platform is Mac OS.
         * @type Boolean
         */
        isMac : isMac,

        /**
         * The current version of Chrome (0 if the browser is not Chrome).
         * @type Number
         */
        chromeVersion: chromeVersion,

        /**
         * The current version of Firefox (0 if the browser is not Firefox).
         * @type Number
         */
        firefoxVersion: firefoxVersion,

        /**
         * The current version of IE (0 if the browser is not IE). This does not account
         * for the documentMode of the current page, which is factored into {@link #isIE7},
         * {@link #isIE8} and {@link #isIE9}. Thus this is not always true:
         *
         *     Ext.isIE8 == (Ext.ieVersion == 8)
         *
         * @type Number
         */
        ieVersion: ieVersion,

        /**
         * The current version of Opera (0 if the browser is not Opera).
         * @type Number
         */
        operaVersion: operaVersion,

        /**
         * The current version of Safari (0 if the browser is not Safari).
         * @type Number
         */
        safariVersion: safariVersion,

        /**
         * The current version of WebKit (0 if the browser does not use WebKit).
         * @type Number
         */
        webKitVersion: webKitVersion,

        /**
         * True if the page is running over SSL
         * @type Boolean
         */
        isSecure: isSecure,
        
        /**
         * URL to a 1x1 transparent gif image used by Ext to create inline icons with
         * CSS background images. In older versions of IE, this defaults to
         * "http://sencha.com/s.gif" and you should change this to a URL on your server.
         * For other browsers it uses an inline data URL.
         * @type String
         */
        BLANK_IMAGE_URL : (isIE6 || isIE7) ? '/' + '/www.sencha.com/s.gif' : 'data:image/gif;base64,R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==',

        /**
         * Utility method for returning a default value if the passed value is empty.
         *
         * The value is deemed to be empty if it is:
         *
         * - null
         * - undefined
         * - an empty array
         * - a zero length string (Unless the `allowBlank` parameter is `true`)
         *
         * @param {Object} value The value to test
         * @param {Object} defaultValue The value to return if the original value is empty
         * @param {Boolean} [allowBlank=false] true to allow zero length strings to qualify as non-empty.
         * @return {Object} value, if non-empty, else defaultValue
         * @deprecated 4.0.0 Use {@link Ext#valueFrom} instead
         */
        value : function(v, defaultValue, allowBlank){
            return Ext.isEmpty(v, allowBlank) ? defaultValue : v;
        },

        /**
         * Escapes the passed string for use in a regular expression.
         * @param {String} str
         * @return {String}
         * @deprecated 4.0.0 Use {@link Ext.String#escapeRegex} instead
         */
        escapeRe : function(s) {
            return s.replace(/([-.*+?^${}()|[\]\/\\])/g, "\\$1");
        },

        /**
         * Applies event listeners to elements by selectors when the document is ready.
         * The event name is specified with an `@` suffix.
         *
         *     Ext.addBehaviors({
         *         // add a listener for click on all anchors in element with id foo
         *         '#foo a@click' : function(e, t){
         *             // do something
         *         },
         *      
         *         // add the same listener to multiple selectors (separated by comma BEFORE the @)
         *         '#foo a, #bar span.some-class@mouseover' : function(){
         *             // do something
         *         }
         *     });
         *
         * @param {Object} obj The list of behaviors to apply
         */
        addBehaviors : function(o){
            if(!Ext.isReady){
                Ext.onReady(function(){
                    Ext.addBehaviors(o);
                });
            } else {
                var cache = {}, // simple cache for applying multiple behaviors to same selector does query multiple times
                    parts,
                    b,
                    s;
                for (b in o) {
                    if ((parts = b.split('@'))[1]) { // for Object prototype breakers
                        s = parts[0];
                        if(!cache[s]){
                            cache[s] = Ext.select(s);
                        }
                        cache[s].on(parts[1], o[b]);
                    }
                }
                cache = null;
            }
        },

        /**
         * Returns the size of the browser scrollbars. This can differ depending on
         * operating system settings, such as the theme or font size.
         * @param {Boolean} [force] true to force a recalculation of the value.
         * @return {Object} An object containing scrollbar sizes.
         * @return.width {Number} The width of the vertical scrollbar.
         * @return.height {Number} The height of the horizontal scrollbar.
         */
        getScrollbarSize: function (force) {
            if (!Ext.isReady) {
                return {};
            }

            if (force || !scrollbarSize) {
                var db = document.body,
                    div = document.createElement('div');

                div.style.width = div.style.height = '100px';
                div.style.overflow = 'scroll';
                div.style.position = 'absolute';

                db.appendChild(div); // now we can measure the div...

                // at least in iE9 the div is not 100px - the scrollbar size is removed!
                scrollbarSize = {
                    width: div.offsetWidth - div.clientWidth,
                    height: div.offsetHeight - div.clientHeight
                };

                db.removeChild(div);
            }

            return scrollbarSize;
        },

        /**
         * Utility method for getting the width of the browser's vertical scrollbar. This
         * can differ depending on operating system settings, such as the theme or font size.
         *
         * This method is deprected in favor of {@link #getScrollbarSize}.
         *
         * @param {Boolean} [force] true to force a recalculation of the value.
         * @return {Number} The width of a vertical scrollbar.
         * @deprecated
         */
        getScrollBarWidth: function(force){
            var size = Ext.getScrollbarSize(force);
            return size.width + 2; // legacy fudge factor
        },

        /**
         * Copies a set of named properties fom the source object to the destination object.
         *
         * Example:
         *
         *     ImageComponent = Ext.extend(Ext.Component, {
         *         initComponent: function() {
         *             this.autoEl = { tag: 'img' };
         *             MyComponent.superclass.initComponent.apply(this, arguments);
         *             this.initialBox = Ext.copyTo({}, this.initialConfig, 'x,y,width,height');
         *         }
         *     });
         *
         * Important note: To borrow class prototype methods, use {@link Ext.Base#borrow} instead.
         *
         * @param {Object} dest The destination object.
         * @param {Object} source The source object.
         * @param {String/String[]} names Either an Array of property names, or a comma-delimited list
         * of property names to copy.
         * @param {Boolean} [usePrototypeKeys] Defaults to false. Pass true to copy keys off of the
         * prototype as well as the instance.
         * @return {Object} The modified object.
         */
        copyTo : function(dest, source, names, usePrototypeKeys){
            if(typeof names == 'string'){
                names = names.split(/[,;\s]/);
            }

            var n,
                nLen = names.length,
                name;

            for(n = 0; n < nLen; n++) {
                name = names[n];

                if(usePrototypeKeys || source.hasOwnProperty(name)){
                    dest[name] = source[name];
                }
            }

            return dest;
        },

        /**
         * Attempts to destroy and then remove a set of named properties of the passed object.
         * @param {Object} o The object (most likely a Component) who's properties you wish to destroy.
         * @param {String...} args One or more names of the properties to destroy and remove from the object.
         */
        destroyMembers : function(o){
            for (var i = 1, a = arguments, len = a.length; i < len; i++) {
                Ext.destroy(o[a[i]]);
                delete o[a[i]];
            }
        },

        /**
         * Logs a message. If a console is present it will be used. On Opera, the method
         * "opera.postError" is called. In other cases, the message is logged to an array
         * "Ext.log.out". An attached debugger can watch this array and view the log. The
         * log buffer is limited to a maximum of "Ext.log.max" entries (defaults to 250).
         * The `Ext.log.out` array can also be written to a popup window by entering the
         * following in the URL bar (a "bookmarklet"):
         *
         *    javascript:void(Ext.log.show());
         *
         * If additional parameters are passed, they are joined and appended to the message.
         * A technique for tracing entry and exit of a function is this:
         *
         *      function foo () {
         *          Ext.log({ indent: 1 }, '>> foo');
         *
         *          // log statements in here or methods called from here will be indented
         *          // by one step
         *
         *          Ext.log({ outdent: 1 }, '<< foo');
         *      }
         *
         * This method does nothing in a release build.
         *
         * @param {String/Object} message The message to log or an options object with any
         * of the following properties:
         *
         *  - `msg`: The message to log (required).
         *  - `level`: One of: "error", "warn", "info" or "log" (the default is "log").
         *  - `dump`: An object to dump to the log as part of the message.
         *  - `stack`: True to include a stack trace in the log.
         *  - `indent`: Cause subsequent log statements to be indented one step.
         *  - `outdent`: Cause this and following statements to be one step less indented.
         *
         * @method
         */
        log :
            nullLog,

        /**
         * Partitions the set into two sets: a true set and a false set.
         *
         * Example 1:
         *
         *     Ext.partition([true, false, true, true, false]);
         *     // returns [[true, true, true], [false, false]]
         *
         * Example 2:
         *
         *     Ext.partition(
         *         Ext.query("p"),
         *         function(val){
         *             return val.className == "class1"
         *         }
         *     );
         *     // true are those paragraph elements with a className of "class1",
         *     // false set are those that do not have that className.
         *
         * @param {Array/NodeList} arr The array to partition
         * @param {Function} truth (optional) a function to determine truth.
         * If this is omitted the element itself must be able to be evaluated for its truthfulness.
         * @return {Array} [array of truish values, array of falsy values]
         * @deprecated 4.0.0 Will be removed in the next major version
         */
        partition : function(arr, truth){
            var ret = [[],[]],
            	a, v,
                aLen = arr.length;

            for (a = 0; a < aLen; a++) {
                v = arr[a];
                ret[ (truth && truth(v, a, arr)) || (!truth && v) ? 0 : 1].push(v);
            }

            return ret;
        },

        /**
         * Invokes a method on each item in an Array.
         *
         * Example:
         *
         *     Ext.invoke(Ext.query("p"), "getAttribute", "id");
         *     // [el1.getAttribute("id"), el2.getAttribute("id"), ..., elN.getAttribute("id")]
         *
         * @param {Array/NodeList} arr The Array of items to invoke the method on.
         * @param {String} methodName The method name to invoke.
         * @param {Object...} args Arguments to send into the method invocation.
         * @return {Array} The results of invoking the method on each item in the array.
         * @deprecated 4.0.0 Will be removed in the next major version
         */
        invoke : function(arr, methodName){
            var ret  = [],
                args = Array.prototype.slice.call(arguments, 2),
                a, v,
                aLen = arr.length;

            for (a = 0; a < aLen; a++) {
                v = arr[a];

                if (v && typeof v[methodName] == 'function') {
                    ret.push(v[methodName].apply(v, args));
                } else {
                    ret.push(undefined);
                }
            }

            return ret;
        },

        /**
         * Zips N sets together.
         *
         * Example 1:
         *
         *     Ext.zip([1,2,3],[4,5,6]); // [[1,4],[2,5],[3,6]]
         *
         * Example 2:
         *
         *     Ext.zip(
         *         [ "+", "-", "+"],
         *         [  12,  10,  22],
         *         [  43,  15,  96],
         *         function(a, b, c){
         *             return "$" + a + "" + b + "." + c
         *         }
         *     ); // ["$+12.43", "$-10.15", "$+22.96"]
         *
         * @param {Array/NodeList...} arr This argument may be repeated. Array(s)
         * to contribute values.
         * @param {Function} zipper (optional) The last item in the argument list.
         * This will drive how the items are zipped together.
         * @return {Array} The zipped set.
         * @deprecated 4.0.0 Will be removed in the next major version
         */
        zip : function(){
            var parts = Ext.partition(arguments, function( val ){ return typeof val != 'function'; }),
                arrs = parts[0],
                fn = parts[1][0],
                len = Ext.max(Ext.pluck(arrs, "length")),
                ret = [];

            for (var i = 0; i < len; i++) {
                ret[i] = [];
                if(fn){
                    ret[i] = fn.apply(fn, Ext.pluck(arrs, i));
                }else{
                    for (var j = 0, aLen = arrs.length; j < aLen; j++){
                        ret[i].push( arrs[j][i] );
                    }
                }
            }
            return ret;
        },

        /**
         * Turns an array into a sentence, joined by a specified connector - e.g.:
         * 
         *     Ext.toSentence(['Adama', 'Tigh', 'Roslin']); //'Adama, Tigh and Roslin'
         *     Ext.toSentence(['Adama', 'Tigh', 'Roslin'], 'or'); //'Adama, Tigh or Roslin'
         * 
         * @param {String[]} items The array to create a sentence from
         * @param {String} connector The string to use to connect the last two words.
         * Usually 'and' or 'or' - defaults to 'and'.
         * @return {String} The sentence string
         * @deprecated 4.0.0 Will be removed in the next major version
         */
        toSentence: function(items, connector) {
            var length = items.length;

            if (length <= 1) {
                return items[0];
            } else {
                var head = items.slice(0, length - 1),
                    tail = items[length - 1];

                return Ext.util.Format.format("{0} {1} {2}", head.join(", "), connector || 'and', tail);
            }
        },

        /**
         * @property {Boolean} useShims
         * By default, Ext intelligently decides whether floating elements should be shimmed.
         * If you are using flash, you may want to set this to true.
         */
        useShims: isIE6
    });
})();

/**
 * Loads Ext.app.Application class and starts it up with given configuration after the page is ready.
 *
 * See Ext.app.Application for details.
 *
 * @param {Object} config
 */
Ext.application = function(config) {
    Ext.require('Ext.app.Application');

    Ext.onReady(function() {
        new Ext.app.Application(config);
    });
};

//<localeInfo useApply="true" />
/**
 * @class Ext.util.Format

This class is a centralized place for formatting functions. It includes
functions to format various different types of data, such as text, dates and numeric values.

__Localization__
This class contains several options for localization. These can be set once the library has loaded,
all calls to the functions from that point will use the locale settings that were specified.
Options include:
- thousandSeparator
- decimalSeparator
- currenyPrecision
- currencySign
- currencyAtEnd
This class also uses the default date format defined here: {@link Ext.Date#defaultFormat}.

__Using with renderers__
There are two helper functions that return a new function that can be used in conjunction with
grid renderers:

    columns: [{
        dataIndex: 'date',
        renderer: Ext.util.Format.dateRenderer('Y-m-d')
    }, {
        dataIndex: 'time',
        renderer: Ext.util.Format.numberRenderer('0.000')
    }]

Functions that only take a single argument can also be passed directly:
    columns: [{
        dataIndex: 'cost',
        renderer: Ext.util.Format.usMoney
    }, {
        dataIndex: 'productCode',
        renderer: Ext.util.Format.uppercase
    }]

__Using with XTemplates__
XTemplates can also directly use Ext.util.Format functions:

    new Ext.XTemplate([
        'Date: {startDate:date("Y-m-d")}',
        'Cost: {cost:usMoney}'
    ]);

 * @markdown
 * @singleton
 */
(function() {
    Ext.ns('Ext.util');

    Ext.util.Format = {};
    var UtilFormat     = Ext.util.Format,
        stripTagsRE    = /<\/?[^>]+>/gi,
        stripScriptsRe = /(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)/ig,
        nl2brRe        = /\r?\n/g,

        // A RegExp to remove from a number format string, all characters except digits and '.'
        formatCleanRe  = /[^\d\.]/g,

        // A RegExp to remove from a number format string, all characters except digits and the local decimal separator.
        // Created on first use. The local decimal separator character must be initialized for this to be created.
        I18NFormatCleanRe;

    Ext.apply(UtilFormat, {
        /**
         * @property {String} thousandSeparator
         * <p>The character that the {@link #number} function uses as a thousand separator.</p>
         * <p>This may be overridden in a locale file.</p>
         */
        //<locale>
        thousandSeparator: ',',
        //</locale>

        /**
         * @property {String} decimalSeparator
         * <p>The character that the {@link #number} function uses as a decimal point.</p>
         * <p>This may be overridden in a locale file.</p>
         */
        //<locale>
        decimalSeparator: '.',
        //</locale>

        /**
         * @property {Number} currencyPrecision
         * <p>The number of decimal places that the {@link #currency} function displays.</p>
         * <p>This may be overridden in a locale file.</p>
         */
        //<locale>
        currencyPrecision: 2,
        //</locale>

        /**
         * @property {String} currencySign
         * <p>The currency sign that the {@link #currency} function displays.</p>
         * <p>This may be overridden in a locale file.</p>
         */
         //<locale>
        currencySign: '$',
        //</locale>

        /**
         * @property {Boolean} currencyAtEnd
         * <p>This may be set to <code>true</code> to make the {@link #currency} function
         * append the currency sign to the formatted value.</p>
         * <p>This may be overridden in a locale file.</p>
         */
        //<locale>
        currencyAtEnd: false,
        //</locale>

        /**
         * Checks a reference and converts it to empty string if it is undefined
         * @param {Object} value Reference to check
         * @return {Object} Empty string if converted, otherwise the original value
         */
        undef : function(value) {
            return value !== undefined ? value : "";
        },

        /**
         * Checks a reference and converts it to the default value if it's empty
         * @param {Object} value Reference to check
         * @param {String} defaultValue The value to insert of it's undefined (defaults to "")
         * @return {String}
         */
        defaultValue : function(value, defaultValue) {
            return value !== undefined && value !== '' ? value : defaultValue;
        },

        /**
         * Returns a substring from within an original string
         * @param {String} value The original text
         * @param {Number} start The start index of the substring
         * @param {Number} length The length of the substring
         * @return {String} The substring
         */
        substr : function(value, start, length) {
            return String(value).substr(start, length);
        },

        /**
         * Converts a string to all lower case letters
         * @param {String} value The text to convert
         * @return {String} The converted text
         */
        lowercase : function(value) {
            return String(value).toLowerCase();
        },

        /**
         * Converts a string to all upper case letters
         * @param {String} value The text to convert
         * @return {String} The converted text
         */
        uppercase : function(value) {
            return String(value).toUpperCase();
        },

        /**
         * Format a number as US currency
         * @param {Number/String} value The numeric value to format
         * @return {String} The formatted currency string
         */
        usMoney : function(v) {
            return UtilFormat.currency(v, '$', 2);
        },

        /**
         * Format a number as a currency
         * @param {Number/String} value The numeric value to format
         * @param {String} sign The currency sign to use (defaults to {@link #currencySign})
         * @param {Number} decimals The number of decimals to use for the currency (defaults to {@link #currencyPrecision})
         * @param {Boolean} end True if the currency sign should be at the end of the string (defaults to {@link #currencyAtEnd})
         * @return {String} The formatted currency string
         */
        currency: function(v, currencySign, decimals, end) {
            var negativeSign = '',
                format = ",0",
                i = 0;
            v = v - 0;
            if (v < 0) {
                v = -v;
                negativeSign = '-';
            }
            decimals = Ext.isDefined(decimals) ? decimals : UtilFormat.currencyPrecision;
            format += format + (decimals > 0 ? '.' : '');
            for (; i < decimals; i++) {
                format += '0';
            }
            v = UtilFormat.number(v, format);
            if ((end || UtilFormat.currencyAtEnd) === true) {
                return Ext.String.format("{0}{1}{2}", negativeSign, v, currencySign || UtilFormat.currencySign);
            } else {
                return Ext.String.format("{0}{1}{2}", negativeSign, currencySign || UtilFormat.currencySign, v);
            }
        },

        /**
         * Formats the passed date using the specified format pattern.
         * @param {String/Date} value The value to format. If a string is passed, it is converted to a Date by the Javascript
         * Date object's <a href="http://www.w3schools.com/jsref/jsref_parse.asp">parse()</a> method.
         * @param {String} format (Optional) Any valid date format string. Defaults to {@link Ext.Date#defaultFormat}.
         * @return {String} The formatted date string.
         */
        date: function(v, format) {
            if (!v) {
                return "";
            }
            if (!Ext.isDate(v)) {
                v = new Date(Date.parse(v));
            }
            return Ext.Date.dateFormat(v, format || Ext.Date.defaultFormat);
        },

        /**
         * Returns a date rendering function that can be reused to apply a date format multiple times efficiently
         * @param {String} format Any valid date format string. Defaults to {@link Ext.Date#defaultFormat}.
         * @return {Function} The date formatting function
         */
        dateRenderer : function(format) {
            return function(v) {
                return UtilFormat.date(v, format);
            };
        },

        /**
         * Strips all HTML tags
         * @param {Object} value The text from which to strip tags
         * @return {String} The stripped text
         */
        stripTags : function(v) {
            return !v ? v : String(v).replace(stripTagsRE, "");
        },

        /**
         * Strips all script tags
         * @param {Object} value The text from which to strip script tags
         * @return {String} The stripped text
         */
        stripScripts : function(v) {
            return !v ? v : String(v).replace(stripScriptsRe, "");
        },

        /**
         * Simple format for a file size (xxx bytes, xxx KB, xxx MB)
         * @param {Number/String} size The numeric value to format
         * @return {String} The formatted file size
         */
        fileSize : function(size) {
            if (size < 1024) {
                return size + " bytes";
            } else if (size < 1048576) {
                return (Math.round(((size*10) / 1024))/10) + " KB";
            } else {
                return (Math.round(((size*10) / 1048576))/10) + " MB";
            }
        },

        /**
         * It does simple math for use in a template, for example:<pre><code>
         * var tpl = new Ext.Template('{value} * 10 = {value:math("* 10")}');
         * </code></pre>
         * @return {Function} A function that operates on the passed value.
         * @method
         */
        math : function(){
            var fns = {};

            return function(v, a){
                if (!fns[a]) {
                    fns[a] = Ext.functionFactory('v', 'return v ' + a + ';');
                }
                return fns[a](v);
            };
        }(),

        /**
         * Rounds the passed number to the required decimal precision.
         * @param {Number/String} value The numeric value to round.
         * @param {Number} precision The number of decimal places to which to round the first parameter's value.
         * @return {Number} The rounded value.
         */
        round : function(value, precision) {
            var result = Number(value);
            if (typeof precision == 'number') {
                precision = Math.pow(10, precision);
                result = Math.round(value * precision) / precision;
            }
            return result;
        },

        /**
         * <p>Formats the passed number according to the passed format string.</p>
         * <p>The number of digits after the decimal separator character specifies the number of
         * decimal places in the resulting string. The <u>local-specific</u> decimal character is used in the result.</p>
         * <p>The <i>presence</i> of a thousand separator character in the format string specifies that
         * the <u>locale-specific</u> thousand separator (if any) is inserted separating thousand groups.</p>
         * <p>By default, "," is expected as the thousand separator, and "." is expected as the decimal separator.</p>
         * <p><b>New to Ext JS 4</b></p>
         * <p>Locale-specific characters are always used in the formatted output when inserting
         * thousand and decimal separators.</p>
         * <p>The format string must specify separator characters according to US/UK conventions ("," as the
         * thousand separator, and "." as the decimal separator)</p>
         * <p>To allow specification of format strings according to local conventions for separator characters, add
         * the string <code>/i</code> to the end of the format string.</p>
         * <div style="margin-left:40px">examples (123456.789):
         * <div style="margin-left:10px">
         * 0 - (123456) show only digits, no precision<br>
         * 0.00 - (123456.78) show only digits, 2 precision<br>
         * 0.0000 - (123456.7890) show only digits, 4 precision<br>
         * 0,000 - (123,456) show comma and digits, no precision<br>
         * 0,000.00 - (123,456.78) show comma and digits, 2 precision<br>
         * 0,0.00 - (123,456.78) shortcut method, show comma and digits, 2 precision<br>
         * To allow specification of the formatting string using UK/US grouping characters (,) and decimal (.) for international numbers, add /i to the end.
         * For example: 0.000,00/i
         * </div></div>
         * @param {Number} v The number to format.
         * @param {String} format The way you would like to format this text.
         * @return {String} The formatted number.
         */
        number : function(v, formatString) {
            if (!formatString) {
                return v;
            }
            v = Ext.Number.from(v, NaN);
            if (isNaN(v)) {
                return '';
            }
            var comma = UtilFormat.thousandSeparator,
                dec   = UtilFormat.decimalSeparator,
                i18n  = false,
                neg   = v < 0,
                hasComma,
                psplit;

            v = Math.abs(v);

            // The "/i" suffix allows caller to use a locale-specific formatting string.
            // Clean the format string by removing all but numerals and the decimal separator.
            // Then split the format string into pre and post decimal segments according to *what* the
            // decimal separator is. If they are specifying "/i", they are using the local convention in the format string.
            if (formatString.substr(formatString.length - 2) == '/i') {
                if (!I18NFormatCleanRe) {
                    I18NFormatCleanRe = new RegExp('[^\\d\\' + UtilFormat.decimalSeparator + ']','g');
                }
                formatString = formatString.substr(0, formatString.length - 2);
                i18n   = true;
                hasComma = formatString.indexOf(comma) != -1;
                psplit = formatString.replace(I18NFormatCleanRe, '').split(dec);
            } else {
                hasComma = formatString.indexOf(',') != -1;
                psplit = formatString.replace(formatCleanRe, '').split('.');
            }

            if (psplit.length > 2) {
            } else if (psplit.length > 1) {
                v = Ext.Number.toFixed(v, psplit[1].length);
            } else {
                v = Ext.Number.toFixed(v, 0);
            }

            var fnum = v.toString();

            psplit = fnum.split('.');

            if (hasComma) {
                var cnum = psplit[0],
                    parr = [],
                    j    = cnum.length,
                    m    = Math.floor(j / 3),
                    n    = cnum.length % 3 || 3,
                    i;

                for (i = 0; i < j; i += n) {
                    if (i !== 0) {
                        n = 3;
                    }

                    parr[parr.length] = cnum.substr(i, n);
                    m -= 1;
                }
                fnum = parr.join(comma);
                if (psplit[1]) {
                    fnum += dec + psplit[1];
                }
            } else {
                if (psplit[1]) {
                    fnum = psplit[0] + dec + psplit[1];
                }
            }

            if (neg) {
                /*
                 * Edge case. If we have a very small negative number it will get rounded to 0,
                 * however the initial check at the top will still report as negative. Replace
                 * everything but 1-9 and check if the string is empty to determine a 0 value.
                 */
                neg = fnum.replace(/[^1-9]/g, '') !== '';
            }

            return (neg ? '-' : '') + formatString.replace(/[\d,?\.?]+/, fnum);
        },

        /**
         * Returns a number rendering function that can be reused to apply a number format multiple times efficiently
         * @param {String} format Any valid number format string for {@link #number}
         * @return {Function} The number formatting function
         */
        numberRenderer : function(format) {
            return function(v) {
                return UtilFormat.number(v, format);
            };
        },

        /**
         * Selectively do a plural form of a word based on a numeric value. For example, in a template,
         * {commentCount:plural("Comment")}  would result in "1 Comment" if commentCount was 1 or would be "x Comments"
         * if the value is 0 or greater than 1.
         * @param {Number} value The value to compare against
         * @param {String} singular The singular form of the word
         * @param {String} plural (optional) The plural form of the word (defaults to the singular with an "s")
         */
        plural : function(v, s, p) {
            return v +' ' + (v == 1 ? s : (p ? p : s+'s'));
        },

        /**
         * Converts newline characters to the HTML tag &lt;br/>
         * @param {String} The string value to format.
         * @return {String} The string with embedded &lt;br/> tags in place of newlines.
         */
        nl2br : function(v) {
            return Ext.isEmpty(v) ? '' : v.replace(nl2brRe, '<br/>');
        },

        /**
         * Alias for {@link Ext.String#capitalize}.
         * @method
         * @inheritdoc Ext.String#capitalize
         */
        capitalize: Ext.String.capitalize,

        /**
         * Alias for {@link Ext.String#ellipsis}.
         * @method
         * @inheritdoc Ext.String#ellipsis
         */
        ellipsis: Ext.String.ellipsis,

        /**
         * Alias for {@link Ext.String#format}.
         * @method
         * @inheritdoc Ext.String#format
         */
        format: Ext.String.format,

        /**
         * Alias for {@link Ext.String#htmlDecode}.
         * @method
         * @inheritdoc Ext.String#htmlDecode
         */
        htmlDecode: Ext.String.htmlDecode,

        /**
         * Alias for {@link Ext.String#htmlEncode}.
         * @method
         * @inheritdoc Ext.String#htmlEncode
         */
        htmlEncode: Ext.String.htmlEncode,

        /**
         * Alias for {@link Ext.String#leftPad}.
         * @method
         * @inheritdoc Ext.String#leftPad
         */
        leftPad: Ext.String.leftPad,

        /**
         * Alias for {@link Ext.String#trim}.
         * @method
         * @inheritdoc Ext.String#trim
         */
        trim : Ext.String.trim,

        /**
         * Parses a number or string representing margin sizes into an object. Supports CSS-style margin declarations
         * (e.g. 10, "10", "10 10", "10 10 10" and "10 10 10 10" are all valid options and would return the same result)
         * @param {Number/String} v The encoded margins
         * @return {Object} An object with margin sizes for top, right, bottom and left
         */
        parseBox : function(box) {
        	box = Ext.isEmpty(box) ? '' : box;
            if (Ext.isNumber(box)) {
                box = box.toString();
            }
            var parts  = box.split(' '),
                ln = parts.length;

            if (ln == 1) {
                parts[1] = parts[2] = parts[3] = parts[0];
            }
            else if (ln == 2) {
                parts[2] = parts[0];
                parts[3] = parts[1];
            }
            else if (ln == 3) {
                parts[3] = parts[1];
            }

            return {
                top   :parseInt(parts[0], 10) || 0,
                right :parseInt(parts[1], 10) || 0,
                bottom:parseInt(parts[2], 10) || 0,
                left  :parseInt(parts[3], 10) || 0
            };
        },

        /**
         * Escapes the passed string for use in a regular expression
         * @param {String} str
         * @return {String}
         */
        escapeRegex : function(s) {
            return s.replace(/([\-.*+?\^${}()|\[\]\/\\])/g, "\\$1");
        }
    });
})();

/**
 * Provides the ability to execute one or more arbitrary tasks in a asynchronous manner.
 * Generally, you can use the singleton {@link Ext.TaskManager} instead, but if needed,
 * you can create separate instances of TaskRunner. Any number of separate tasks can be
 * started at any time and will run independently of each other.
 * 
 * Example usage:
 *
 *      // Start a simple clock task that updates a div once per second
 *      var updateClock = function () {
 *          Ext.fly('clock').update(new Date().format('g:i:s A'));
 *      }
 *
 *      var runner = new Ext.util.TaskRunner();
 *      var task = runner.start({
 *          run: updateClock,
 *          interval: 1000
 *      }
 *
 * The equivalent using TaskManager:
 *
 *      var task = Ext.TaskManager.start({
 *          run: updateClock,
 *          interval: 1000
 *      });
 *
 * To end a running task:
 * 
 *      task.destroy();
 *
 * If a task needs to be started and stopped repeated over time, you can create a
 * {@link Ext.util.TaskRunner.Task Task} instance.
 *
 *      var task = runner.newTask({
 *          run: function () {
 *              // useful code
 *          },
 *          interval: 1000
 *      });
 *      
 *      task.start();
 *      
 *      // ...
 *      
 *      task.stop();
 *      
 *      // ...
 *      
 *      task.start();
 *
 * A re-usable, one-shot task can be managed similar to the above:
 *
 *      var task = runner.newTask({
 *          run: function () {
 *              // useful code to run once
 *          },
 *          repeat: 1
 *      });
 *      
 *      task.start();
 *      
 *      // ...
 *      
 *      task.start();
 *
 * See the {@link #start} method for details about how to configure a task object.
 *
 * Also see {@link Ext.util.DelayedTask}. 
 * 
 * @constructor
 * @param {Number/Object} [interval=10] The minimum precision in milliseconds supported by this
 * TaskRunner instance. Alternatively, a config object to apply to the new instance.
 */
Ext.define('Ext.util.TaskRunner', {
    /**
     * @cfg interval
     * The timer resolution.
     */
    interval: 10,

    /**
     * @property timerId
     * The id of the current timer.
     * @private
     */
    timerId: null,

    constructor: function (interval) {
        var me = this;

        if (typeof interval == 'number') {
            me.interval = interval;
        } else if (interval) {
            Ext.apply(me, interval);
        }

        me.tasks = [];
        me.timerFn = Ext.Function.bind(me.onTick, me);
    },

    /**
     * Creates a new {@link Ext.util.TaskRunner.Task Task} instance. These instances can
     * be easily started and stopped.
     * @param {Object} config The config object. For details on the supported properties,
     * see {@link #start}.
     */
    newTask: function (config) {
        var task = new Ext.util.TaskRunner.Task(config);
        task.manager = this;
        return task;
    },

    /**
     * Starts a new task.
     *
     * Before each invocation, Ext injects the property `taskRunCount` into the task object
     * so that calculations based on the repeat count can be performed.
     * 
     * The returned task will contain a `destroy` method that can be used to destroy the
     * task and cancel further calls. This is equivalent to the {@link #stop} method.
     *
     * @param {Object} task A config object that supports the following properties:
     * @param {Function} task.run The function to execute each time the task is invoked. The
     * function will be called at each interval and passed the `args` argument if specified,
     * and the current invocation count if not.
     * 
     * If a particular scope (`this` reference) is required, be sure to specify it using
     * the `scope` argument.
     *
     * @param {Boolean} task.run.return `false` from this function to terminate the task.
     *
     * @param {Number} task.interval The frequency in milliseconds with which the task
     * should be invoked.
     *
     * @param {Object[]} task.args An array of arguments to be passed to the function
     * specified by `run`. If not specified, the current invocation count is passed.
     *
     * @param {Object} task.scope The scope (`this` reference) in which to execute the
     * `run` function. Defaults to the task config object.
     *
     * @param {Number} task.duration The length of time in milliseconds to invoke the task
     * before stopping automatically (defaults to indefinite).
     *
     * @param {Number} task.repeat The number of times to invoke the task before stopping
     * automatically (defaults to indefinite).
     * @return {Object} The task
     */
    start: function(task) {
        var me = this,
            now = new Date().getTime();

        if (!task.pending) {
            me.tasks.push(task);
            task.pending = true; // don't allow the task to be added to me.tasks again
        }

        task.stopped = false; // might have been previously stopped...
        task.taskRunTime = task.taskStartTime = now;
        task.taskRunCount = 0;

        if (!me.firing) {
            me.startTimer(task.interval, now);
        }

        return task;
    },

    /**
     * Stops an existing running task.
     * @param {Object} task The task to stop
     * @return {Object} The task
     */
    stop: function(task) {
        // NOTE: we don't attempt to remove the task from me.tasks at this point because
        // this could be called from inside a task which would then corrupt the state of
        // the loop in onTick
        if (!task.stopped) {
            task.stopped = true;

            if (task.onStop) {
                task.onStop.call(task.scope || task);
            }
        }

        return task;
    },

    /**
     * Stops all tasks that are currently running.
     */
    stopAll: function() {
        // onTick will take care of cleaning up the mess after this point...
        Ext.each(this.tasks, this.stop, this);
    },

    //-------------------------------------------------------------------------

    firing: false,

    nextExpires: 1e99,

    // private
    onTick: function () {
        var me = this,
            tasks = me.tasks,
            now = new Date().getTime(),
            nextExpires = 1e99,
            len = tasks.length,
            expires, newTasks, i, task, rt, remove;

        me.timerId = null;
        me.firing = true; // ensure we don't startTimer during this loop...

        // tasks.length can be > len if start is called during a task.run call... so we
        // first check len to avoid tasks.length reference but eventually we need to also
        // check tasks.length. we avoid repeating use of tasks.length by setting len at
        // that time (to help the next loop)
        for (i = 0; i < len || i < (len = tasks.length); ++i) {
            task = tasks[i];

            if (!(remove = task.stopped)) {
                expires = task.taskRunTime + task.interval;

                if (expires <= now) {
                    rt = task.run.apply(task.scope || task, task.args || [++task.taskRunCount]);
                    task.taskRunTime = now;
                    if (rt === false || task.taskRunCount === task.repeat) {
                        me.stop(task);
                        remove = true;
                    } else {
                        remove = task.stopped; // in case stop was called by run
                        expires = now + task.interval;
                    }
                }

                if (!remove && task.duration && task.duration <= (now - task.taskStartTime)) {
                    me.stop(task);
                    remove = true;
                }
            }

            if (remove) {
                task.pending = false; // allow the task to be added to me.tasks again

                // once we detect that a task needs to be removed, we copy the tasks that
                // will carry forward into newTasks... this way we avoid O(N*N) to remove
                // each task from the tasks array (and ripple the array down) and also the
                // potentially wasted effort of making a new tasks[] even if all tasks are
                // going into the next wave.
                if (!newTasks) {
                    newTasks = tasks.slice(0, i);
                    // we don't set me.tasks here because callbacks can also start tasks,
                    // which get added to me.tasks... so we will visit them in this loop
                    // and account for their expirations in nextExpires...
                }
            } else {
                if (newTasks) {
                    newTasks.push(task); // we've cloned the tasks[], so keep this one...
                }

                if (nextExpires > expires) {
                    nextExpires = expires; // track the nearest expiration time
                }
            }
        }

        if (newTasks) {
            // only now can we copy the newTasks to me.tasks since no user callbacks can
            // take place
            me.tasks = newTasks;
        }

        me.firing = false; // we're done, so allow startTimer afterwards

        if (me.tasks.length) {
            // we create a new Date here because all the callbacks could have taken a long
            // time... we want to base the next timeout on the current time (after the
            // callback storm):
            me.startTimer(nextExpires - now, new Date().getTime());
        }
    },

    // private
    startTimer: function (timeout, now) {
        var me = this,
            expires = now + timeout,
            timerId = me.timerId;

        // Check to see if this request is enough in advance of the current timer. If so,
        // we reschedule the timer based on this new expiration.
        if (timerId && me.nextExpires - expires > me.interval) {
            clearTimeout(timerId);
            timerId = null;
        }

        if (!timerId) {
            if (timeout < me.interval) {
                timeout = me.interval;
            }

            me.timerId = setTimeout(me.timerFn, timeout);
            me.nextExpires = expires;
        }
    }
},
function () {
    var me = this,
        proto = me.prototype;

    /**
     * Destroys this instance, stopping all tasks that are currently running.
     * @method destroy
     */
    proto.destroy = proto.stopAll;

    /**
    * @class Ext.TaskManager
    * @extends Ext.util.TaskRunner
    * @singleton
    *
    * A static {@link Ext.util.TaskRunner} instance that can be used to start and stop
    * arbitrary tasks. See {@link Ext.util.TaskRunner} for supported methods and task
    * config properties.
    *
    *    // Start a simple clock task that updates a div once per second
    *    var task = {
    *       run: function(){
    *           Ext.fly('clock').update(new Date().format('g:i:s A'));
    *       },
    *       interval: 1000 //1 second
    *    }
    *
    *    Ext.TaskManager.start(task);
    *
    * See the {@link #start} method for details about how to configure a task object.
    */
    Ext.util.TaskManager = Ext.TaskManager = new me();

    /**
     * Instances of this class are created by {@link Ext.util.TaskRunner#newTask} method.
     * 
     * For details on config properties, see {@link Ext.util.TaskRunner#start}.
     * @class Ext.util.TaskRunner.Task
     */
    me.Task = new Ext.Class({
        isTask: true,

        /**
         * This flag is set to `true` by {@link #stop}.
         * @private
         */
        stopped: true, // this avoids the odd combination of !stopped && !pending

        constructor: function (config) {
            Ext.apply(this, config);
        },

        /**
         * Restarts this task, clearing it duration, expiration and run count.
         * @param {Number} [interval] Optionally reset this task's interval.
         */
        restart: function (interval) {
            if (interval !== undefined) {
                this.interval = interval;
            }

            this.manager.start(this);
        },

        /**
         * Starts this task if it is not already started.
         * @param {Number} [interval] Optionally reset this task's interval.
         */
        start: function (interval) {
            if (this.stopped) {
                this.restart(interval);
            }
        },

        /**
         * Stops this task.
         */
        stop: function () {
            this.manager.stop(this);
        }
    });

    proto = me.Task.prototype;

    /**
     * Destroys this instance, stopping this task's execution.
     * @method destroy
     */
    proto.destroy = proto.stop;
});

/**
 * @class Ext.perf.Accumulator
 * @private
 */
Ext.define('Ext.perf.Accumulator', function () {
    var currentFrame = null,
        khrome = Ext.global['chrome'],
        formatTpl,
        // lazy init on first request for timestamp (avoids infobar in IE until needed)
        // Also avoids kicking off Chrome's microsecond timer until first needed
        getTimestamp = function () {

            getTimestamp = function () {
                return new Date().getTime();
            }

            // If Chrome is started with the --enable-benchmarking switch
            if (Ext.isChrome && khrome && khrome.Interval) {
                var interval = new khrome.Interval();
                interval.start();
                getTimestamp = function () {
                    return interval.microseconds() / 1000;
                }
            }
            else if (window.ActiveXObject) {
                try {
                    // the above technique is not very accurate for small intervals...
                    var toolbox = new ActiveXObject('SenchaToolbox.Toolbox');
                    getTimestamp = function () {
                        return toolbox.milliseconds;
                    };
                } catch (e) {
                    // ignore
                }
            } else if (Date.now) {
                getTimestamp = Date.now;
            }

            Ext.perf.getTimestamp = Ext.perf.Accumulator.getTimestamp = getTimestamp;
            return getTimestamp();
        };

    function adjustSet (set, time) {
        set.sum += time;
        set.min = Math.min(set.min, time);
        set.max = Math.max(set.max, time);
    }

    function leaveFrame (time) {
        var totalTime = time ? time : (getTimestamp() - this.time), // do this first
            me = this, // me = frame
            accum = me.accum;

        ++accum.count;
        if (! --accum.depth) {
            adjustSet(accum.total, totalTime);
        }
        adjustSet(accum.pure, totalTime - me.childTime);

        currentFrame = me.parent;
        if (currentFrame) {
            ++currentFrame.accum.childCount;
            currentFrame.childTime += totalTime;
        }
    }

    function makeSet () {
        return {
            min: Number.MAX_VALUE,
            max: 0,
            sum: 0
        }
    }

    function makeTap (me, fn) {
        return function () {
            var frame = me.enter(),
                ret = fn.apply(this, arguments);

            frame.leave();
            return ret;
        };
    }

    function round (x) {
        return Math.round(x * 100) / 100;
    }

    function setToJSON (count, childCount, calibration, set) {
        var data = {
            avg: 0,
            min: set.min,
            max: set.max,
            sum: 0
        };

        if (count) {
            calibration = calibration || 0;
            data.sum = set.sum - childCount * calibration;
            data.avg = data.sum / count;
            // min and max cannot be easily corrected since we don't know the number of
            // child calls for them.
        }

        return data;
    }

    return {
        constructor: function (name) {
            var me = this;

            me.count = me.childCount = me.depth = me.maxDepth = 0;
            me.pure = makeSet();
            me.total = makeSet();
            me.name = name;
        },

        statics: {
            getTimestamp: getTimestamp
        },

        format: function (calibration) {
            if (!formatTpl) {
                formatTpl = new Ext.XTemplate([
                        '{name} - {count} call(s)',
                        '<tpl if="count">',
                            '<tpl if="childCount">',
                                ' ({childCount} children)',
                            '</tpl>',
                            '<tpl if="depth - 1">',
                                ' ({depth} deep)',
                            '</tpl>',
                            '<tpl for="times">',
                                ', {type}: {[this.time(values.sum)]} msec (',
                                     //'min={[this.time(values.min)]}, ',
                                     'avg={[this.time(values.sum / parent.count)]}',
                                     //', max={[this.time(values.max)]}',
                                     ')',
                            '</tpl>',
                        '</tpl>'
                    ].join(''), {
                        time: function (t) {
                            return Math.round(t * 100) / 100;
                        }
                    });
            }

            var data = this.getData(calibration);
            data.name = this.name;
            data.pure.type = 'Pure';
            data.total.type = 'Total';
            data.times = [data.pure, data.total];
            return formatTpl.apply(data);
        },

        getData: function (calibration) {
            var me = this;

            return {
                count: me.count,
                childCount: me.childCount,
                depth: me.maxDepth,
                pure: setToJSON(me.count, me.childCount, calibration, me.pure),
                total: setToJSON(me.count, me.childCount, calibration, me.total)
            };
        },

        enter: function () {
            var me = this,
                frame = {
                    accum: me,
                    leave: leaveFrame,
                    childTime: 0,
                    parent: currentFrame
                };

            ++me.depth;
            if (me.maxDepth < me.depth) {
                me.maxDepth = me.depth;
            }

            currentFrame = frame;
            frame.time = getTimestamp(); // do this last
            return frame;
        },

        monitor: function (fn, scope, args) {
            var frame = this.enter();
            if (args) {
                fn.apply(scope, args);
            } else {
                fn.call(scope);
            }
            frame.leave();
        },

        report: function () {
            Ext.log(this.format());
        },

        tap: function (className, methodName) {
            var me = this,
                methods = typeof methodName == 'string' ? [methodName] : methodName,
                klass, statik, i, parts, length, name, src;

            var tapFunc = function(){
                if (typeof className == 'string') {
                    klass = Ext.global;
                    parts = className.split('.');
                    for (i = 0, length = parts.length; i < length; ++i) {
                        klass = klass[parts[i]];
                    }
                } else {
                    klass = className;
                }

                for (i = 0, length = methods.length; i < length; ++i) {
                    name = methods[i];
                    statik = name.charAt(0) == '!';

                    if (statik) {
                        name = name.substring(1);
                    } else {
                        statik = !(name in klass.prototype);
                    }

                    src = statik ? klass : klass.prototype;
                    src[name] = makeTap(me, src[name]);
                }
            };

            Ext.ClassManager.onCreated(tapFunc, me, className);

            return me;
        }
    };
}(),

function () {
    Ext.perf.getTimestamp = this.getTimestamp;
});

/**
 * @class Ext.perf.Monitor
 * @singleton
 * @private
 */
Ext.define('Ext.perf.Monitor', {
    singleton: true,
    alternateClassName: 'Ext.Perf',

    requires: [
        'Ext.perf.Accumulator'
    ],

    constructor: function () {
        this.accumulators = [];
        this.accumulatorsByName = {};
    },

    calibrate: function () {
        var accum = new Ext.perf.Accumulator('$'),
            total = accum.total,
            getTimestamp = Ext.perf.Accumulator.getTimestamp,
            count = 0,
            frame,
            endTime,
            startTime;

        startTime = getTimestamp();

        do {
            frame = accum.enter();
            frame.leave();
            ++count;
        } while (total.sum < 100);

        endTime = getTimestamp();

        return (endTime - startTime) / count;
    },

    get: function (name) {
        var me = this,
            accum = me.accumulatorsByName[name];

        if (!accum) {
            me.accumulatorsByName[name] = accum = new Ext.perf.Accumulator(name);
            me.accumulators.push(accum);
        }

        return accum;
    },

    enter: function (name) {
        return this.get(name).enter();
    },

    monitor: function (name, fn, scope) {
        this.get(name).monitor(fn, scope);
    },

    report: function () {
        var me = this,
            accumulators = me.accumulators,
            calibration = me.calibrate(),
            report = ['Calibration: ' + Math.round(calibration * 100) / 100 + ' msec/sample'];

        accumulators.sort(function (a, b) {
            return (a.name < b.name) ? -1 : ((b.name < a.name) ? 1 : 0);
        });

        Ext.each(accumulators, function (accum) {
            report.push(accum.format(calibration));
        });
        Ext.log(report.join('\n'));
    },

    getData: function (all) {
        var ret = {},
            accumulators = this.accumulators;

        Ext.each(accumulators, function (accum) {
            if (all || accum.count) {
                ret[accum.name] = accum.getData();
            }
        });

        return ret;
    },

    setup: function (config) {
        if (!config) {
            config = {
                /*insertHtml: {
                    'Ext.dom.Helper': 'insertHtml'
                },*/
                /*xtplCompile: {
                    'Ext.XTemplateCompiler': 'compile'
                },*/
//                doInsert: {
//                    'Ext.Template': 'doInsert'
//                },
//                applyOut: {
//                    'Ext.XTemplate': 'applyOut'
//                },
                render: {
                    'Ext.AbstractComponent': 'render'
                },
//                fnishRender: {
//                    'Ext.AbstractComponent': 'finishRender'
//                },
//                renderSelectors: {
//                    'Ext.AbstractComponent': 'applyRenderSelectors'
//                },
//                compAddCls: {
//                    'Ext.AbstractComponent': 'addCls'
//                },
//                compRemoveCls: {
//                    'Ext.AbstractComponent': 'removeCls'
//                },
//                getStyle: {
//                    'Ext.core.Element': 'getStyle'
//                },
//                setStyle: {
//                    'Ext.core.Element': 'setStyle'
//                },
//                addCls: {
//                    'Ext.core.Element': 'addCls'
//                },
//                removeCls: {
//                    'Ext.core.Element': 'removeCls'
//                },
//                measure: {
//                    'Ext.layout.component.Component': 'measureAutoDimensions'
//                },
//                moveItem: {
//                    'Ext.layout.Layout': 'moveItem'
//                },
//                layoutFlush: {
//                    'Ext.layout.Context': 'flush'
//                },
                layout: {
                    'Ext.layout.Context': 'run'
                }
            };
        }

        this.currentConfig = config;

        var key, prop;
        for (key in config) {
            if (config.hasOwnProperty(key)) {
                prop = config[key];
                var accum = Ext.Perf.get(key),
                    className, methods;

                for (className in prop) {
                    if (prop.hasOwnProperty(className)) {
                        methods = prop[className];
                        accum.tap(className, methods);
                    }
                }
            }
        }
    }
});

/**
 * @class Ext.is
 * 
 * Determines information about the current platform the application is running on.
 * 
 * @singleton
 */
Ext.is = {
    init : function(navigator) {
        var platforms = this.platforms,
            ln = platforms.length,
            i, platform;

        navigator = navigator || window.navigator;

        for (i = 0; i < ln; i++) {
            platform = platforms[i];
            this[platform.identity] = platform.regex.test(navigator[platform.property]);
        }

        /**
         * @property Desktop True if the browser is running on a desktop machine
         * @type {Boolean}
         */
        this.Desktop = this.Mac || this.Windows || (this.Linux && !this.Android);
        /**
         * @property Tablet True if the browser is running on a tablet (iPad)
         */
        this.Tablet = this.iPad;
        /**
         * @property Phone True if the browser is running on a phone.
         * @type {Boolean}
         */
        this.Phone = !this.Desktop && !this.Tablet;
        /**
         * @property iOS True if the browser is running on iOS
         * @type {Boolean}
         */
        this.iOS = this.iPhone || this.iPad || this.iPod;
        
        /**
         * @property Standalone Detects when application has been saved to homescreen.
         * @type {Boolean}
         */
        this.Standalone = !!window.navigator.standalone;
    },
    
    /**
     * @property iPhone True when the browser is running on a iPhone
     * @type {Boolean}
     */
    platforms: [{
        property: 'platform',
        regex: /iPhone/i,
        identity: 'iPhone'
    },
    
    /**
     * @property iPod True when the browser is running on a iPod
     * @type {Boolean}
     */
    {
        property: 'platform',
        regex: /iPod/i,
        identity: 'iPod'
    },
    
    /**
     * @property iPad True when the browser is running on a iPad
     * @type {Boolean}
     */
    {
        property: 'userAgent',
        regex: /iPad/i,
        identity: 'iPad'
    },
    
    /**
     * @property Blackberry True when the browser is running on a Blackberry
     * @type {Boolean}
     */
    {
        property: 'userAgent',
        regex: /Blackberry/i,
        identity: 'Blackberry'
    },
    
    /**
     * @property Android True when the browser is running on an Android device
     * @type {Boolean}
     */
    {
        property: 'userAgent',
        regex: /Android/i,
        identity: 'Android'
    },
    
    /**
     * @property Mac True when the browser is running on a Mac
     * @type {Boolean}
     */
    {
        property: 'platform',
        regex: /Mac/i,
        identity: 'Mac'
    },
    
    /**
     * @property Windows True when the browser is running on Windows
     * @type {Boolean}
     */
    {
        property: 'platform',
        regex: /Win/i,
        identity: 'Windows'
    },
    
    /**
     * @property Linux True when the browser is running on Linux
     * @type {Boolean}
     */
    {
        property: 'platform',
        regex: /Linux/i,
        identity: 'Linux'
    }]
};

Ext.is.init();

/**
 * @class Ext.supports
 *
 * Determines information about features are supported in the current environment
 * 
 * @singleton
 */
Ext.supports = {
    /**
     * Runs feature detection routines and sets the various flags. This is called when
     * the scripts loads (very early) and again at {@link Ext#onReady}. Some detections
     * are flagged as `early` and run immediately. Others that require the document body
     * will not run until ready.
     * 
     * Each test is run only once, so calling this method from an onReady function is safe
     * and ensures that all flags have been set.
     * @markdown
     * @private
     */
    init : function() {
        var me = this,
            doc = document,
            tests = me.tests,
            n = tests.length,
            div = n && Ext.isReady && doc.createElement('div'),
            test, notRun = [];

        if (div) {
            div.innerHTML = [
                '<div style="height:30px;width:50px;">',
                    '<div style="height:20px;width:20px;"></div>',
                '</div>',
                '<div style="width: 200px; height: 200px; position: relative; padding: 5px;">',
                    '<div style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;"></div>',
                '</div>',
                '<div style="position: absolute; left: 10%; top: 10%;"></div>',
                '<div style="float:left; background-color:transparent;"></div>'
            ].join('');

            doc.body.appendChild(div);
        }

        while (n--) {
            test = tests[n];
            if (div || test.early) {
                me[test.identity] = test.fn.call(me, doc, div);
            } else {
                notRun.push(test);
            }
        }

        if (div) {
            doc.body.removeChild(div);
        }

        me.tests = notRun;
    },

    /**
     * @property PointerEvents True if document environment supports the CSS3 pointer-events style.
     * @type {Boolean}
     */
    PointerEvents: 'pointerEvents' in document.documentElement.style,

    /**
     * @property CSS3BoxShadow True if document environment supports the CSS3 box-shadow style.
     * @type {Boolean}
     */
    CSS3BoxShadow: 'boxShadow' in document.documentElement.style,

    /**
     * @property ClassList True if document environment supports the HTML5 classList API.
     * @type {Boolean}
     */
    ClassList: !!document.documentElement.classList,

    /**
     * @property OrientationChange True if the device supports orientation change
     * @type {Boolean}
     */
    OrientationChange: ((typeof window.orientation != 'undefined') && ('onorientationchange' in window)),
    
    /**
     * @property DeviceMotion True if the device supports device motion (acceleration and rotation rate)
     * @type {Boolean}
     */
    DeviceMotion: ('ondevicemotion' in window),
    
    /**
     * @property Touch True if the device supports touch
     * @type {Boolean}
     */
    // is.Desktop is needed due to the bug in Chrome 5.0.375, Safari 3.1.2
    // and Safari 4.0 (they all have 'ontouchstart' in the window object).
    Touch: ('ontouchstart' in window) && (!Ext.is.Desktop),

    tests: [
        /**
         * @property Transitions True if the device supports CSS3 Transitions
         * @type {Boolean}
         */
        {
            identity: 'Transitions',
            fn: function(doc, div) {
                var prefix = [
                        'webkit',
                        'Moz',
                        'o',
                        'ms',
                        'khtml'
                    ],
                    TE = 'TransitionEnd',
                    transitionEndName = [
                        prefix[0] + TE,
                        'transitionend', //Moz bucks the prefixing convention
                        prefix[2] + TE,
                        prefix[3] + TE,
                        prefix[4] + TE
                    ],
                    ln = prefix.length,
                    i = 0,
                    out = false;
                div = Ext.get(div);
                for (; i < ln; i++) {
                    if (div.getStyle(prefix[i] + "TransitionProperty")) {
                        Ext.supports.CSS3Prefix = prefix[i];
                        Ext.supports.CSS3TransitionEnd = transitionEndName[i];
                        out = true;
                        break;
                    }
                }
                return out;
            }
        },
        
        /**
         * @property RightMargin True if the device supports right margin.
         * See https://bugs.webkit.org/show_bug.cgi?id=13343 for why this is needed.
         * @type {Boolean}
         */
        {
            identity: 'RightMargin',
            fn: function(doc, div) {
                var view = doc.defaultView;
                return !(view && view.getComputedStyle(div.firstChild.firstChild, null).marginRight != '0px');
            }
        },

        /**
         * @property DisplayChangeInputSelectionBug True if INPUT elements lose their
         * selection when their display style is changed. Essentially, if a text input
         * has focus and its display style is changed, the I-beam disappears.
         * 
         * This bug is encountered due to the work around in place for the {@link #RightMargin}
         * bug. This has been observed in Safari 4.0.4 and older, and appears to be fixed
         * in Safari 5. It's not clear if Safari 4.1 has the bug, but it has the same WebKit
         * version number as Safari 5 (according to http://unixpapa.com/js/gecko.html).
         */
        {
            identity: 'DisplayChangeInputSelectionBug',
            early: true,
            fn: function() {
                var webKitVersion = Ext.webKitVersion;
                // WebKit but older than Safari 5 or Chrome 6:
                return 0 < webKitVersion && webKitVersion < 533;
            }
        },

        /**
         * @property DisplayChangeTextAreaSelectionBug True if TEXTAREA elements lose their
         * selection when their display style is changed. Essentially, if a text area has
         * focus and its display style is changed, the I-beam disappears.
         *
         * This bug is encountered due to the work around in place for the {@link #RightMargin}
         * bug. This has been observed in Chrome 10 and Safari 5 and older, and appears to
         * be fixed in Chrome 11.
         */
        {
            identity: 'DisplayChangeTextAreaSelectionBug',
            early: true,
            fn: function() {
                var webKitVersion = Ext.webKitVersion;

                /*
                Has bug w/textarea:

                (Chrome) Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_7; en-US)
                            AppleWebKit/534.16 (KHTML, like Gecko) Chrome/10.0.648.127
                            Safari/534.16
                (Safari) Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_7; en-us)
                            AppleWebKit/533.21.1 (KHTML, like Gecko) Version/5.0.5
                            Safari/533.21.1

                No bug:

                (Chrome) Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7)
                            AppleWebKit/534.24 (KHTML, like Gecko) Chrome/11.0.696.57
                            Safari/534.24
                */
                return 0 < webKitVersion && webKitVersion < 534.24;
            }
        },

        /**
         * @property TransparentColor True if the device supports transparent color
         * @type {Boolean}
         */
        {
            identity: 'TransparentColor',
            fn: function(doc, div, view) {
                view = doc.defaultView;
                return !(view && view.getComputedStyle(div.lastChild, null).backgroundColor != 'transparent');
            }
        },

        /**
         * @property ComputedStyle True if the browser supports document.defaultView.getComputedStyle()
         * @type {Boolean}
         */
        {
            identity: 'ComputedStyle',
            fn: function(doc, div, view) {
                view = doc.defaultView;
                return view && view.getComputedStyle;
            }
        },
        
        /**
         * @property SVG True if the device supports SVG
         * @type {Boolean}
         */
        {
            identity: 'Svg',
            fn: function(doc) {
                return !!doc.createElementNS && !!doc.createElementNS( "http:/" + "/www.w3.org/2000/svg", "svg").createSVGRect;
            }
        },
    
        /**
         * @property Canvas True if the device supports Canvas
         * @type {Boolean}
         */
        {
            identity: 'Canvas',
            fn: function(doc) {
                return !!doc.createElement('canvas').getContext;
            }
        },
        
        /**
         * @property VML True if the device supports VML
         * @type {Boolean}
         */
        {
            identity: 'Vml',
            fn: function(doc) {
                var d = doc.createElement("div");
                d.innerHTML = "<!--[if vml]><br><br><![endif]-->";
                return (d.childNodes.length == 2);
            }
        },
        
        /**
         * @property Float True if the device supports CSS float
         * @type {Boolean}
         */
        {
            identity: 'Float',
            fn: function(doc, div) {
                return !!div.lastChild.style.cssFloat;
            }
        },
        
        /**
         * @property AudioTag True if the device supports the HTML5 audio tag
         * @type {Boolean}
         */
        {
            identity: 'AudioTag',
            fn: function(doc) {
                return !!doc.createElement('audio').canPlayType;
            }
        },
        
        /**
         * @property History True if the device supports HTML5 history
         * @type {Boolean}
         */
        {
            identity: 'History',
            fn: function() {
                var history = window.history;
                return !!(history && history.pushState);
            }
        },
        
        /**
         * @property CSS3DTransform True if the device supports CSS3DTransform
         * @type {Boolean}
         */
        {
            identity: 'CSS3DTransform',
            fn: function() {
                return (typeof WebKitCSSMatrix != 'undefined' && new WebKitCSSMatrix().hasOwnProperty('m41'));
            }
        },

		/**
         * @property CSS3LinearGradient True if the device supports CSS3 linear gradients
         * @type {Boolean}
         */
        {
            identity: 'CSS3LinearGradient',
            fn: function(doc, div) {
                var property = 'background-image:',
                    webkit   = '-webkit-gradient(linear, left top, right bottom, from(black), to(white))',
                    w3c      = 'linear-gradient(left top, black, white)',
                    moz      = '-moz-' + w3c,
                    opera    = '-o-' + w3c,
                    options  = [property + webkit, property + w3c, property + moz, property + opera];
                
                div.style.cssText = options.join(';');
                
                return ("" + div.style.backgroundImage).indexOf('gradient') !== -1;
            }
        },
        
        /**
         * @property CSS3BorderRadius True if the device supports CSS3 border radius
         * @type {Boolean}
         */
        {
            identity: 'CSS3BorderRadius',
            fn: function(doc, div) {
                var domPrefixes = ['borderRadius', 'BorderRadius', 'MozBorderRadius', 'WebkitBorderRadius', 'OBorderRadius', 'KhtmlBorderRadius'],
                    pass = false,
                    i;
                for (i = 0; i < domPrefixes.length; i++) {
                    if (document.body.style[domPrefixes[i]] !== undefined) {
                        return true;
                    }
                }
                return pass;
            }
        },
        
        /**
         * @property GeoLocation True if the device supports GeoLocation
         * @type {Boolean}
         */
        {
            identity: 'GeoLocation',
            fn: function() {
                return (typeof navigator != 'undefined' && typeof navigator.geolocation != 'undefined') || (typeof google != 'undefined' && typeof google.gears != 'undefined');
            }
        },
        /**
         * @property MouseEnterLeave True if the browser supports mouseenter and mouseleave events
         * @type {Boolean}
         */
        {
            identity: 'MouseEnterLeave',
            fn: function(doc, div){
                return ('onmouseenter' in div && 'onmouseleave' in div);
            }
        },
        /**
         * @property MouseWheel True if the browser supports the mousewheel event
         * @type {Boolean}
         */
        {
            identity: 'MouseWheel',
            fn: function(doc, div) {
                return ('onmousewheel' in div);
            }
        },
        /**
         * @property Opacity True if the browser supports normal css opacity
         * @type {Boolean}
         */
        {
            identity: 'Opacity',
            fn: function(doc, div){
                // Not a strict equal comparison in case opacity can be converted to a number.
                if (Ext.isIE6 || Ext.isIE7 || Ext.isIE8) {
                    return false;
                }
                div.firstChild.style.cssText = 'opacity:0.73';
                return div.firstChild.style.opacity == '0.73';
            }
        },
        /**
         * @property Placeholder True if the browser supports the HTML5 placeholder attribute on inputs
         * @type {Boolean}
         */
        {
            identity: 'Placeholder',
            fn: function(doc) {
                return 'placeholder' in doc.createElement('input');
            }
        },
        
        /**
         * @property Direct2DBug True if when asking for an element's dimension via offsetWidth or offsetHeight, 
         * getBoundingClientRect, etc. the browser returns the subpixel width rounded to the nearest pixel.
         * @type {Boolean}
         */
        {
            identity: 'Direct2DBug',
            fn: function() {
                return Ext.isString(document.body.style.msTransformOrigin);
            }
        },
        /**
         * @property BoundingClientRect True if the browser supports the getBoundingClientRect method on elements
         * @type {Boolean}
         */
        {
            identity: 'BoundingClientRect',
            fn: function(doc, div) {
                return Ext.isFunction(div.getBoundingClientRect);
            }
        },
        {
            identity: 'IncludePaddingInWidthCalculation',
            fn: function(doc, div){
                var el = Ext.get(div.childNodes[1].firstChild);
                return el.getWidth() == 210;
            }
        },
        {
            identity: 'IncludePaddingInHeightCalculation',
            fn: function(doc, div){
                var el = Ext.get(div.childNodes[1].firstChild);
                return el.getHeight() == 210;
            }
        },
        
        /**
         * @property ArraySort True if the Array sort native method isn't bugged.
         * @type {Boolean}
         */
        {
            identity: 'ArraySort',
            fn: function() {
                var a = [1,2,3,4,5].sort(function(){ return 0; });
                return a[0] === 1 && a[1] === 2 && a[2] === 3 && a[3] === 4 && a[4] === 5;
            }
        },
        /**
         * @property Range True if browser support document.createRange native method.
         * @type {Boolean}
         */
        {
            identity: 'Range',
            fn: function() {
                return !!document.createRange;
            }
        },
        /**
         * @property CreateContextualFragment True if browser support CreateContextualFragment range native methods.
         * @type {Boolean}
         */
        {
            identity: 'CreateContextualFragment',
            fn: function() {
                var range = Ext.supports.Range ? document.createRange() : false;
                
                return range && !!range.createContextualFragment;
            }
        },

        /**
         * @property WindowOnError True if browser supports window.onerror.
         * @type {Boolean}
         */
        {
            identity: 'WindowOnError',
            fn: function () {
                // sadly, we cannot feature detect this...
                return Ext.isIE || Ext.isGecko || Ext.webKitVersion >= 534.16; // Chrome 10+
            }
        },
        
        /**
         * @property TextAreaMaxLength True if the browser supports maxlength on textareas.
         * @type {Boolean}
         */
        {
            identity: 'TextAreaMaxLength',
            fn: function(){
                var el = document.createElement('textarea');
                return ('maxlength' in el);
            }
        },
        /**
         * @property GetPositionPercentage True if the browser will return the left/top/right/bottom 
         * position as a percentage when explicitly set as a percentage value.
         * @type {Boolean}
         */
        // Related bug: https://bugzilla.mozilla.org/show_bug.cgi?id=707691#c7
        {
            identity: 'GetPositionPercentage',
            fn: function(doc, div){
                return Ext.get(div.childNodes[2]).getStyle('left') == '10%';
            }
        }
    ]
};

Ext.supports.init(); // run the "early" detections now


/**
 * @class Ext.util.DelayedTask
 * 
 * The DelayedTask class provides a convenient way to "buffer" the execution of a method,
 * performing setTimeout where a new timeout cancels the old timeout. When called, the
 * task will wait the specified time period before executing. If durng that time period,
 * the task is called again, the original call will be cancelled. This continues so that
 * the function is only called a single time for each iteration.
 * 
 * This method is especially useful for things like detecting whether a user has finished
 * typing in a text field. An example would be performing validation on a keypress. You can
 * use this class to buffer the keypress events for a certain number of milliseconds, and
 * perform only if they stop for that amount of time.  
 * 
 * ## Usage
 * 
 *     var task = new Ext.util.DelayedTask(function(){
 *         alert(Ext.getDom('myInputField').value.length);
 *     });
 *     
 *     // Wait 500ms before calling our function. If the user presses another key
 *     // during that 500ms, it will be cancelled and we'll wait another 500ms.
 *     Ext.get('myInputField').on('keypress', function(){
 *         task.{@link #delay}(500);
 *     });
 * 
 * Note that we are using a DelayedTask here to illustrate a point. The configuration
 * option `buffer` for {@link Ext.util.Observable#addListener addListener/on} will
 * also setup a delayed task for you to buffer events.
 * 
 * @constructor The parameters to this constructor serve as defaults and are not required.
 * @param {Function} fn (optional) The default function to call. If not specified here, it must be specified during the {@link #delay} call.
 * @param {Object} scope (optional) The default scope (The <code><b>this</b></code> reference) in which the
 * function is called. If not specified, <code>this</code> will refer to the browser window.
 * @param {Array} args (optional) The default Array of arguments.
 */
Ext.util.DelayedTask = function(fn, scope, args) {
    var me = this,
        id,
        call = function() {
            clearInterval(id);
            id = null;
            fn.apply(scope, args || []);
        };

    /**
     * Cancels any pending timeout and queues a new one
     * @param {Number} delay The milliseconds to delay
     * @param {Function} newFn (optional) Overrides function passed to constructor
     * @param {Object} newScope (optional) Overrides scope passed to constructor. Remember that if no scope
     * is specified, <code>this</code> will refer to the browser window.
     * @param {Array} newArgs (optional) Overrides args passed to constructor
     */
    this.delay = function(delay, newFn, newScope, newArgs) {
        me.cancel();
        fn = newFn || fn;
        scope = newScope || scope;
        args = newArgs || args;
        id = setInterval(call, delay);
    };

    /**
     * Cancel the last queued timeout
     */
    this.cancel = function(){
        if (id) {
            clearInterval(id);
            id = null;
        }
    };
};
Ext.require('Ext.util.DelayedTask', function() {

    /**
     * Represents single event type that an Observable object listens to.
     * All actual listeners are tracked inside here.  When the event fires,
     * it calls all the registered listener functions.
     *
     * @private
     */
    Ext.util.Event = Ext.extend(Object, (function() {
        function createBuffered(handler, listener, o, scope) {
            listener.task = new Ext.util.DelayedTask();
            return function() {
                listener.task.delay(o.buffer, handler, scope, Ext.Array.toArray(arguments));
            };
        }

        function createDelayed(handler, listener, o, scope) {
            return function() {
                var task = new Ext.util.DelayedTask();
                if (!listener.tasks) {
                    listener.tasks = [];
                }
                listener.tasks.push(task);
                task.delay(o.delay || 10, handler, scope, Ext.Array.toArray(arguments));
            };
        }

        function createSingle(handler, listener, o, scope) {
            return function() {
                var event = listener.ev;

                if (event.removeListener(listener.fn, scope) && event.observable) {
                    // Removing from a regular Observable-owned, named event (not an anonymous
                    // event such as Ext's readyEvent): Decrement the listeners count
                    event.observable.hasListeners[event.name]--;
                }

                return handler.apply(scope, arguments);
            };
        }

        return {
            /**
             * @property {Boolean} isEvent
             * `true` in this class to identify an objact as an instantiated Event, or subclass thereof.
             */
            isEvent: true,

            constructor: function(observable, name) {
                this.name = name;
                this.observable = observable;
                this.listeners = [];
            },

            addListener: function(fn, scope, options) {
                var me = this,
                    listener;
                    scope = scope || me.observable;


                if (!me.isListening(fn, scope)) {
                    listener = me.createListener(fn, scope, options);
                    if (me.firing) {
                        // if we are currently firing this event, don't disturb the listener loop
                        me.listeners = me.listeners.slice(0);
                    }
                    me.listeners.push(listener);
                }
            },

            createListener: function(fn, scope, o) {
                o = o || {};
                scope = scope || this.observable;

                var listener = {
                        fn: fn,
                        scope: scope,
                        o: o,
                        ev: this
                    },
                    handler = fn;

                // The order is important. The 'single' wrapper must be wrapped by the 'buffer' and 'delayed' wrapper
                // because the event removal that the single listener does destroys the listener's DelayedTask(s)
                if (o.single) {
                    handler = createSingle(handler, listener, o, scope);
                }
                if (o.delay) {
                    handler = createDelayed(handler, listener, o, scope);
                }
                if (o.buffer) {
                    handler = createBuffered(handler, listener, o, scope);
                }

                listener.fireFn = handler;
                return listener;
            },

            findListener: function(fn, scope) {
                var listeners = this.listeners,
                i = listeners.length,
                listener,
                s;

                while (i--) {
                    listener = listeners[i];
                    if (listener) {
                        s = listener.scope;
                        if (listener.fn == fn && (s == scope || s == this.observable)) {
                            return i;
                        }
                    }
                }

                return - 1;
            },

            isListening: function(fn, scope) {
                return this.findListener(fn, scope) !== -1;
            },

            removeListener: function(fn, scope) {
                var me = this,
                    index,
                    listener,
                    k;
                index = me.findListener(fn, scope);
                if (index != -1) {
                    listener = me.listeners[index];

                    if (me.firing) {
                        me.listeners = me.listeners.slice(0);
                    }

                    // cancel and remove a buffered handler that hasn't fired yet
                    if (listener.task) {
                        listener.task.cancel();
                        delete listener.task;
                    }

                    // cancel and remove all delayed handlers that haven't fired yet
                    k = listener.tasks && listener.tasks.length;
                    if (k) {
                        while (k--) {
                            listener.tasks[k].cancel();
                        }
                        delete listener.tasks;
                    }

                    // remove this listener from the listeners array
                    Ext.Array.erase(me.listeners, index, 1);
                    return true;
                }

                return false;
            },

            // Iterate to stop any buffered/delayed events
            clearListeners: function() {
                var listeners = this.listeners,
                    i = listeners.length;

                while (i--) {
                    this.removeListener(listeners[i].fn, listeners[i].scope);
                }
            },

            fire: function() {
                var me = this,
                    listeners = me.listeners,
                    count = listeners.length,
                    i,
                    args,
                    listener;

                if (count > 0) {
                    me.firing = true;
                    for (i = 0; i < count; i++) {
                        listener = listeners[i];
                        args = arguments.length ? Array.prototype.slice.call(arguments, 0) : [];
                        if (listener.o) {
                            args.push(listener.o);
                        }
                        if (listener && listener.fireFn.apply(listener.scope || me.observable, args) === false) {
                            return (me.firing = false);
                        }
                    }
                }
                me.firing = false;
                return true;
            }
        };
    })());
});

/**
 * @class Ext.EventManager
 * Registers event handlers that want to receive a normalized EventObject instead of the standard browser event and provides
 * several useful events directly.
 * See {@link Ext.EventObject} for more details on normalized event objects.
 * @singleton
 */
Ext.EventManager = new function() {
    var EventManager = this,
        doc = document,
        win = window,
        initExtCss = function() {
            // find the body element
            var bd = doc.body || doc.getElementsByTagName('body')[0],
                baseCSSPrefix = Ext.baseCSSPrefix,
                cls = [baseCSSPrefix + 'body'],
                htmlCls = [],
                html;

            if (!bd) {
                return false;
            }

            html = bd.parentNode;

            function add (c) {
                cls.push(baseCSSPrefix + c);
            }

            //Let's keep this human readable!
            if (Ext.isIE) {
                add('ie');

                // very often CSS needs to do checks like "IE7+" or "IE6 or 7". To help
                // reduce the clutter (since CSS/SCSS cannot do these tests), we add some
                // additional classes:
                //
                //      x-ie7p      : IE7+      :  7 <= ieVer
                //      x-ie7m      : IE7-      :  ieVer <= 7
                //      x-ie8p      : IE8+      :  8 <= ieVer
                //      x-ie8m      : IE8-      :  ieVer <= 8
                //      x-ie9p      : IE9+      :  9 <= ieVer
                //      x-ie78      : IE7 or 8  :  7 <= ieVer <= 8
                //
                if (Ext.isIE6) {
                    add('ie6');
                } else { // ignore pre-IE6 :)
                    add('ie7p');

                    if (Ext.isIE7) {
                        add('ie7');
                    } else {
                        add('ie8p');

                        if (Ext.isIE8) {
                            add('ie8');
                        } else {
                            add('ie9p');

                            if (Ext.isIE9) {
                                add('ie9');
                            }
                        }
                    }
                }

                if (Ext.isIE6 || Ext.isIE7) {
                    add('ie7m');
                }
                if (Ext.isIE6 || Ext.isIE7 || Ext.isIE8) {
                    add('ie8m');
                }
                if (Ext.isIE7 || Ext.isIE8) {
                    add('ie78');
                }
            }
            if (Ext.isGecko) {
                add('gecko');
                if (Ext.isGecko3) {
                    add('gecko3');
                }
                if (Ext.isGecko4) {
                    add('gecko4');
                }
                if (Ext.isGecko5) {
                    add('gecko5');
                }
            }
            if (Ext.isOpera) {
                add('opera');
            }
            if (Ext.isWebKit) {
                add('webkit');
            }
            if (Ext.isSafari) {
                add('safari');
                if (Ext.isSafari2) {
                    add('safari2');
                }
                if (Ext.isSafari3) {
                    add('safari3');
                }
                if (Ext.isSafari4) {
                    add('safari4');
                }
                if (Ext.isSafari5) {
                    add('safari5');
                }
            }
            if (Ext.isChrome) {
                add('chrome');
            }
            if (Ext.isMac) {
                add('mac');
            }
            if (Ext.isLinux) {
                add('linux');
            }
            if (!Ext.supports.CSS3BorderRadius) {
                add('nbr');
            }
            if (!Ext.supports.CSS3LinearGradient) {
                add('nlg');
            }
            if (!Ext.scopeResetCSS) {
                add('reset');
            }

            // add to the parent to allow for selectors x-strict x-border-box, also set the isBorderBox property correctly
            if (html) {
                if (Ext.isStrict && (Ext.isIE6 || Ext.isIE7)) {
                    Ext.isBorderBox = false;
                }
                else {
                    Ext.isBorderBox = true;
                }

                if(Ext.isBorderBox) {
                    htmlCls.push(baseCSSPrefix + 'border-box');
                }
                if (Ext.isStrict) {
                    htmlCls.push(baseCSSPrefix + 'strict');
                } else {
                    htmlCls.push(baseCSSPrefix + 'quirks');
                }
                Ext.fly(html, '_internal').addCls(htmlCls);
            }

            Ext.fly(bd, '_internal').addCls(cls);
            return true;
        };

    Ext.apply(EventManager, {
        /**
         * Check if we have bound our global onReady listener
         * @private
         */
        hasBoundOnReady: false,

        /**
         * Check if fireDocReady has been called
         * @private
         */
        hasFiredReady: false,

        /**
         * Additionally, allow the 'DOM' listener thread to complete (usually desirable with mobWebkit, Gecko)
         * before firing the entire onReady chain (high stack load on Loader) by specifying a delay value
         * @default 1ms
         * @private
         */
        deferReadyEvent : 1,

        /*
         * diags: a list of event names passed to onReadyEvent (in chron order)
         * @private
         */
        onReadyChain : [],

        /**
         * Holds references to any onReady functions
         * @private
         */
        readyEvent:
            (function () {
                var event = new Ext.util.Event();
                event.fire = function () {
                    if (!/[?&]ext-pauseReadyFire\b/i.test(location.search) || Ext._continueFireReady) {
                        Ext._beforeReadyTime = new Date().getTime();
                        event.self.prototype.fire.apply(event, arguments);
                        Ext._afterReadytime = new Date().getTime();
                    }
                }
                return event;
            })(),

        /**
         * Fires when a DOM event handler finishes its run, just before returning to browser control.
         * This can be useful for performing cleanup, or upfdate tasks which need to happen only
         * after all code in an event handler has been run, but which should not be executed in a timer
         * due to the intervening browser reflow/repaint which would take place.
         *
         */
        idleEvent: new Ext.util.Event(),

        /**
         * Binds the appropriate browser event for checking if the DOM has loaded.
         * @private
         */
        bindReadyEvent: function() {
            if (EventManager.hasBoundOnReady) {
                return;
            }

            // Test scenario where Core is dynamically loaded AFTER window.load
            if ( doc.readyState == 'complete'  ) {  // Firefox4+ got support for this state, others already do.
                EventManager.onReadyEvent({
                    type: doc.readyState || 'body'
                });
            } else {
                document.addEventListener('DOMContentLoaded', EventManager.onReadyEvent, false);
                window.addEventListener('load', EventManager.onReadyEvent, false);
                EventManager.hasBoundOnReady = true;
            }
        },

        onReadyEvent : function(e) {
            if (e && e.type) {
                EventManager.onReadyChain.push(e.type);
            }

            if (EventManager.hasBoundOnReady) {
                document.removeEventListener('DOMContentLoaded', EventManager.onReadyEvent, false);
                window.removeEventListener('load', EventManager.onReadyEvent, false);
            }

            if (!Ext.isReady) {
                EventManager.fireDocReady();
            }
        },

        /**
         * We know the document is loaded, so trigger any onReady events.
         * @private
         */
        fireDocReady: function() {
            if (!Ext.isReady) {
                Ext._readyTime = new Date().getTime();
                Ext.isReady = true;

                Ext.supports.init();
                EventManager.onWindowUnload();
                EventManager.readyEvent.onReadyChain = EventManager.onReadyChain;    //diags report

                if (Ext.isNumber(EventManager.deferReadyEvent)) {
                    Ext.Function.defer(EventManager.readyEvent.fire, EventManager.deferReadyEvent, EventManager.readyEvent);
                } else {
                    EventManager.readyEvent.fire();
                }

                EventManager.hasFiredReady = true;
            }
        },

        /**
         * Adds a listener to be notified when the document is ready (before onload and before images are loaded). Can be
         * accessed shorthanded as Ext.onReady().
         * @param {Function} fn The method the event invokes.
         * @param {Object} scope (optional) The scope (<code>this</code> reference) in which the handler function executes. Defaults to the browser window.
         * @param {Boolean} options (optional) Options object as passed to {@link Ext.Element#addListener}.
         */
        onDocumentReady: function(fn, scope, options) {
            options = options || {};
            var readyEvent = EventManager.readyEvent;

            // force single to be true so our event is only ever fired once.
            options.single = true;
            readyEvent.addListener(fn, scope, options);

            // Document already loaded, let's just fire it
            if (Ext.isReady) {
                readyEvent.fire();
            } else {
                EventManager.bindReadyEvent();
            }
        },

        // --------------------- event binding ---------------------

        /**
         * Contains a list of all document mouse downs, so we can ensure they fire even when stopEvent is called.
         * @private
         */
        stoppedMouseDownEvent: new Ext.util.Event(),

        /**
         * Options to parse for the 4th argument to addListener.
         * @private
         */
        propRe: /^(?:scope|delay|buffer|single|stopEvent|preventDefault|stopPropagation|normalized|args|delegate|freezeEvent)$/,

        /**
         * Get the id of the element. If one has not been assigned, automatically assign it.
         * @param {HTMLElement/Ext.Element} element The element to get the id for.
         * @return {String} id
         */
        getId : function(element) {
            var skipGarbageCollection = false,
                id;

            element = Ext.getDom(element);

            if (element === doc || element === win) {
                id = element === doc ? Ext.documentId : Ext.windowId;
            }
            else {
                id = Ext.id(element);
            }
            // skip garbage collection for special elements (window, document, iframes)
            if (element && (element.getElementById || element.navigator)) {
                skipGarbageCollection = true;
            }

            if (!Ext.cache[id]) {
                Ext.Element.addToCache(new Ext.Element(element), id);
                if (skipGarbageCollection) {
                    Ext.cache[id].skipGarbageCollection = true;
                }
            }
            return id;
        },

        /**
         * Convert a "config style" listener into a set of flat arguments so they can be passed to addListener
         * @private
         * @param {Object} element The element the event is for
         * @param {Object} event The event configuration
         * @param {Object} isRemove True if a removal should be performed, otherwise an add will be done.
         */
        prepareListenerConfig: function(element, config, isRemove) {
            var propRe = EventManager.propRe,
                key, value, args;

            // loop over all the keys in the object
            for (key in config) {
                if (config.hasOwnProperty(key)) {
                    // if the key is something else then an event option
                    if (!propRe.test(key)) {
                        value = config[key];
                        // if the value is a function it must be something like click: function() {}, scope: this
                        // which means that there might be multiple event listeners with shared options
                        if (typeof value == 'function') {
                            // shared options
                            args = [element, key, value, config.scope, config];
                        } else {
                            // if its not a function, it must be an object like click: {fn: function() {}, scope: this}
                            args = [element, key, value.fn, value.scope, value];
                        }

                        if (isRemove) {
                            EventManager.removeListener.apply(EventManager, args);
                        } else {
                            EventManager.addListener.apply(EventManager, args);
                        }
                    }
                }
            }
        },

        mouseEnterLeaveRe: /mouseenter|mouseleave/,

        /**
         * Normalize cross browser event differences
         * @private
         * @param {Object} eventName The event name
         * @param {Object} fn The function to execute
         * @return {Object} The new event name/function
         */
        normalizeEvent: function(eventName, fn) {
            if (EventManager.mouseEnterLeaveRe.test(eventName) && !Ext.supports.MouseEnterLeave) {
                if (fn) {
                    fn = Ext.Function.createInterceptor(fn, EventManager.contains);
                }
                eventName = eventName == 'mouseenter' ? 'mouseover' : 'mouseout';
            } else if (eventName == 'mousewheel' && !Ext.supports.MouseWheel && !Ext.isOpera) {
                eventName = 'DOMMouseScroll';
            }
            return {
                eventName: eventName,
                fn: fn
            };
        },

        /**
         * Checks whether the event's relatedTarget is contained inside (or <b>is</b>) the element.
         * @private
         * @param {Object} event
         */
        contains: function(event) {
            var parent = event.browserEvent.currentTarget,
                child = EventManager.getRelatedTarget(event);

            if (parent && parent.firstChild) {
                while (child) {
                    if (child === parent) {
                        return false;
                    }
                    child = child.parentNode;
                    if (child && (child.nodeType != 1)) {
                        child = null;
                    }
                }
            }
            return true;
        },

        /**
        * Appends an event handler to an element.  The shorthand version {@link #on} is equivalent.  Typically you will
        * use {@link Ext.Element#addListener} directly on an Element in favor of calling this version.
        * @param {String/HTMLElement} el The html element or id to assign the event handler to.
        * @param {String} eventName The name of the event to listen for.
        * @param {Function} handler The handler function the event invokes. This function is passed
        * the following parameters:<ul>
        * <li>evt : EventObject<div class="sub-desc">The {@link Ext.EventObject EventObject} describing the event.</div></li>
        * <li>t : Element<div class="sub-desc">The {@link Ext.Element Element} which was the target of the event.
        * Note that this may be filtered by using the <tt>delegate</tt> option.</div></li>
        * <li>o : Object<div class="sub-desc">The options object from the addListener call.</div></li>
        * </ul>
        * @param {Object} scope (optional) The scope (<b><code>this</code></b> reference) in which the handler function is executed. <b>Defaults to the Element</b>.
        * @param {Object} options (optional) An object containing handler configuration properties.
        * This may contain any of the following properties:<ul>
        * <li>scope : Object<div class="sub-desc">The scope (<b><code>this</code></b> reference) in which the handler function is executed. <b>Defaults to the Element</b>.</div></li>
        * <li>delegate : String<div class="sub-desc">A simple selector to filter the target or look for a descendant of the target</div></li>
        * <li>stopEvent : Boolean<div class="sub-desc">True to stop the event. That is stop propagation, and prevent the default action.</div></li>
        * <li>preventDefault : Boolean<div class="sub-desc">True to prevent the default action</div></li>
        * <li>stopPropagation : Boolean<div class="sub-desc">True to prevent event propagation</div></li>
        * <li>normalized : Boolean<div class="sub-desc">False to pass a browser event to the handler function instead of an Ext.EventObject</div></li>
        * <li>delay : Number<div class="sub-desc">The number of milliseconds to delay the invocation of the handler after te event fires.</div></li>
        * <li>single : Boolean<div class="sub-desc">True to add a handler to handle just the next firing of the event, and then remove itself.</div></li>
        * <li>buffer : Number<div class="sub-desc">Causes the handler to be scheduled to run in an {@link Ext.util.DelayedTask} delayed
        * by the specified number of milliseconds. If the event fires again within that time, the original
        * handler is <em>not</em> invoked, but the new handler is scheduled in its place.</div></li>
        * <li>target : Element<div class="sub-desc">Only call the handler if the event was fired on the target Element, <i>not</i> if the event was bubbled up from a child node.</div></li>
        * </ul><br>
        * <p>See {@link Ext.Element#addListener} for examples of how to use these options.</p>
        */
        addListener: function(element, eventName, fn, scope, options) {
            // Check if we've been passed a "config style" event.
            if (typeof eventName !== 'string') {
                EventManager.prepareListenerConfig(element, eventName);
                return;
            }

            var dom = element.dom || Ext.getDom(element),
                bind, wrap;


            // create the wrapper function
            options = options || {};

            bind = EventManager.normalizeEvent(eventName, fn);
            wrap = EventManager.createListenerWrap(dom, eventName, bind.fn, scope, options);

            if (dom.attachEvent) {
                dom.attachEvent('on' + bind.eventName, wrap);
            } else {
                dom.addEventListener(bind.eventName, wrap, options.capture || false);
            }

            if (dom == doc && eventName == 'mousedown') {
                EventManager.stoppedMouseDownEvent.addListener(wrap);
            }

            // add all required data into the event cache
            EventManager.getEventListenerCache(element.dom ? element : dom, eventName).push({
                fn: fn,
                wrap: wrap,
                scope: scope
            });
        },

        /**
        * Removes an event handler from an element.  The shorthand version {@link #un} is equivalent.  Typically
        * you will use {@link Ext.Element#removeListener} directly on an Element in favor of calling this version.
        * @param {String/HTMLElement} el The id or html element from which to remove the listener.
        * @param {String} eventName The name of the event.
        * @param {Function} fn The handler function to remove. <b>This must be a reference to the function passed into the {@link #addListener} call.</b>
        * @param {Object} scope If a scope (<b><code>this</code></b> reference) was specified when the listener was added,
        * then this must refer to the same object.
        */
        removeListener : function(element, eventName, fn, scope) {
            // handle our listener config object syntax
            if (typeof eventName !== 'string') {
                EventManager.prepareListenerConfig(element, eventName, true);
                return;
            }

            var dom = Ext.getDom(element),
                el = element.dom ? element : Ext.get(dom),
                cache = EventManager.getEventListenerCache(el, eventName),
                bindName = EventManager.normalizeEvent(eventName).eventName,
                i = cache.length, j,
                listener, wrap, tasks;


            while (i--) {
                listener = cache[i];

                if (listener && (!fn || listener.fn == fn) && (!scope || listener.scope === scope)) {
                    wrap = listener.wrap;

                    // clear buffered calls
                    if (wrap.task) {
                        clearTimeout(wrap.task);
                        delete wrap.task;
                    }

                    // clear delayed calls
                    j = wrap.tasks && wrap.tasks.length;
                    if (j) {
                        while (j--) {
                            clearTimeout(wrap.tasks[j]);
                        }
                        delete wrap.tasks;
                    }

                    if (dom.detachEvent) {
                        dom.detachEvent('on' + bindName, wrap);
                    } else {
                        dom.removeEventListener(bindName, wrap, false);
                    }

                    if (wrap && dom == doc && eventName == 'mousedown') {
                        EventManager.stoppedMouseDownEvent.removeListener(wrap);
                    }

                    // remove listener from cache
                    Ext.Array.erase(cache, i, 1);
                }
            }
        },

        /**
        * Removes all event handers from an element.  Typically you will use {@link Ext.Element#removeAllListeners}
        * directly on an Element in favor of calling this version.
        * @param {String/HTMLElement} el The id or html element from which to remove all event handlers.
        */
        removeAll : function(element) {
            var el = element.dom ? element : Ext.get(element),
                cache, events, eventName;

            if (!el) {
                return;
            }
            cache = (el.$cache || el.getCache());
            events = cache.events;

            for (eventName in events) {
                if (events.hasOwnProperty(eventName)) {
                    EventManager.removeListener(el, eventName);
                }
            }
            cache.events = {};
        },

        /**
         * Recursively removes all previous added listeners from an element and its children. Typically you will use {@link Ext.Element#purgeAllListeners}
         * directly on an Element in favor of calling this version.
         * @param {String/HTMLElement} el The id or html element from which to remove all event handlers.
         * @param {String} eventName (optional) The name of the event.
         */
        purgeElement : function(element, eventName) {
            var dom = Ext.getDom(element),
                i = 0, len;

            if (eventName) {
                EventManager.removeListener(element, eventName);
            }
            else {
                EventManager.removeAll(element);
            }

            if (dom && dom.childNodes) {
                for (len = element.childNodes.length; i < len; i++) {
                    EventManager.purgeElement(element.childNodes[i], eventName);
                }
            }
        },

        /**
         * Create the wrapper function for the event
         * @private
         * @param {HTMLElement} dom The dom element
         * @param {String} ename The event name
         * @param {Function} fn The function to execute
         * @param {Object} scope The scope to execute callback in
         * @param {Object} options The options
         * @return {Function} the wrapper function
         */
        createListenerWrap : function(dom, ename, fn, scope, options) {
            options = options || {};

            var f, gen, wrap = function(e, args) {
                // Compile the implementation upon first firing
                if (!gen) {
                    f = ['if(!' + Ext.name + ') {return;}'];

                    if(options.buffer || options.delay || options.freezeEvent) {
                        f.push('e = new X.EventObjectImpl(e, ' + (options.freezeEvent ? 'true' : 'false' ) + ');');
                    } else {
                        f.push('e = X.EventObject.setEvent(e);');
                    }

                    if (options.delegate) {
                        f.push('var t = e.getTarget("' + options.delegate + '", this);');
                        f.push('if(!t) {return;}');
                    } else {
                        f.push('var t = e.target;');
                    }

                    if (options.target) {
                        f.push('if(e.target !== options.target) {return;}');
                    }

                    if(options.stopEvent) {
                        f.push('e.stopEvent();');
                    } else {
                        if(options.preventDefault) {
                            f.push('e.preventDefault();');
                        }
                        if(options.stopPropagation) {
                            f.push('e.stopPropagation();');
                        }
                    }

                    if(options.normalized === false) {
                        f.push('e = e.browserEvent;');
                    }

                    if(options.buffer) {
                        f.push('(wrap.task && clearTimeout(wrap.task));');
                        f.push('wrap.task = setTimeout(function() {');
                    }

                    if(options.delay) {
                        f.push('wrap.tasks = wrap.tasks || [];');
                        f.push('wrap.tasks.push(setTimeout(function() {');
                    }

                    // finally call the actual handler fn
                    f.push('fn.call(scope || dom, e, t, options);');

                    if(options.single) {
                        f.push('evtMgr.removeListener(dom, ename, fn, scope);');
                    }

                    // Fire the global idle event for all events except mousemove which is too common, and
                    // fires too frequently and fast to be use in tiggering onIdle processing.
                    if (ename !== 'mousemove') {
                        f.push('if (evtMgr.idleEvent.listeners.length) {');
                        f.push('evtMgr.idleEvent.fire();');
                        f.push('}');
                    }

                    if(options.delay) {
                        f.push('}, ' + options.delay + '));');
                    }

                    if(options.buffer) {
                        f.push('}, ' + options.buffer + ');');
                    }

                    gen = Ext.cacheableFunctionFactory('e', 'options', 'fn', 'scope', 'ename', 'dom', 'wrap', 'args', 'X', 'evtMgr', f.join('\n'));
                }

                gen.call(dom, e, options, fn, scope, ename, dom, wrap, args, Ext, EventManager);
            };
            return wrap;
        },

        /**
         * Get the event cache for a particular element for a particular event
         * @private
         * @param {HTMLElement} element The element
         * @param {Object} eventName The event name
         * @return {Array} The events for the element
         */
        getEventListenerCache : function(element, eventName) {
            var elementCache, eventCache, id;
            if (!element) {
                return [];
            }

            if (element.$cache) {
                elementCache = element.$cache;
            } else {
                elementCache = Ext.cache[id = EventManager.getId(element)] || (Ext.cache[id] = {});
            }
            eventCache = elementCache.events || (elementCache.events = {});

            return eventCache[eventName] || (eventCache[eventName] = []);
        },

        // --------------------- utility methods ---------------------
        mouseLeaveRe: /(mouseout|mouseleave)/,
        mouseEnterRe: /(mouseover|mouseenter)/,

        /**
         * Stop the event (preventDefault and stopPropagation)
         * @param {Event} The event to stop
         */
        stopEvent: function(event) {
            EventManager.stopPropagation(event);
            EventManager.preventDefault(event);
        },

        /**
         * Cancels bubbling of the event.
         * @param {Event} The event to stop bubbling.
         */
        stopPropagation: function(event) {
            event = event.browserEvent || event;
            if (event.stopPropagation) {
                event.stopPropagation();
            } else {
                event.cancelBubble = true;
            }
        },

        /**
         * Prevents the browsers default handling of the event.
         * @param {Event} The event to prevent the default
         */
        preventDefault: function(event) {
            event = event.browserEvent || event;
            if (event.preventDefault) {
                event.preventDefault();
            } else {
                event.returnValue = false;
                // Some keys events require setting the keyCode to -1 to be prevented
                try {
                  // all ctrl + X and F1 -> F12
                  if (event.ctrlKey || event.keyCode > 111 && event.keyCode < 124) {
                      event.keyCode = -1;
                  }
                } catch (e) {
                    // see this outdated document http://support.microsoft.com/kb/934364/en-us for more info
                }
            }
        },

        /**
         * Gets the related target from the event.
         * @param {Object} event The event
         * @return {HTMLElement} The related target.
         */
        getRelatedTarget: function(event) {
            event = event.browserEvent || event;
            var target = event.relatedTarget;
            if (!target) {
                if (EventManager.mouseLeaveRe.test(event.type)) {
                    target = event.toElement;
                } else if (EventManager.mouseEnterRe.test(event.type)) {
                    target = event.fromElement;
                }
            }
            return EventManager.resolveTextNode(target);
        },

        /**
         * Gets the x coordinate from the event
         * @param {Object} event The event
         * @return {Number} The x coordinate
         */
        getPageX: function(event) {
            return EventManager.getPageXY(event)[0];
        },

        /**
         * Gets the y coordinate from the event
         * @param {Object} event The event
         * @return {Number} The y coordinate
         */
        getPageY: function(event) {
            return EventManager.getPageXY(event)[1];
        },

        /**
         * Gets the x & y coordinate from the event
         * @param {Object} event The event
         * @return {Number[]} The x/y coordinate
         */
        getPageXY: function(event) {
            event = event.browserEvent || event;
            var x = event.pageX,
                y = event.pageY,
                docEl = doc.documentElement,
                body = doc.body;

            // pageX/pageY not available (undefined, not null), use clientX/clientY instead
            if (!x && x !== 0) {
                x = event.clientX + (docEl && docEl.scrollLeft || body && body.scrollLeft || 0) - (docEl && docEl.clientLeft || body && body.clientLeft || 0);
                y = event.clientY + (docEl && docEl.scrollTop  || body && body.scrollTop  || 0) - (docEl && docEl.clientTop  || body && body.clientTop  || 0);
            }
            return [x, y];
        },

        /**
         * Gets the target of the event.
         * @param {Object} event The event
         * @return {HTMLElement} target
         */
        getTarget: function(event) {
            event = event.browserEvent || event;
            return EventManager.resolveTextNode(event.target || event.srcElement);
        },

        /**
         * Resolve any text nodes accounting for browser differences.
         * @private
         * @param {HTMLElement} node The node
         * @return {HTMLElement} The resolved node
         */
        // technically no need to browser sniff this, however it makes no sense to check this every time, for every event, whether the string is equal.
        resolveTextNode: Ext.isGecko ?
            function(node) {
                if (!node) {
                    return;
                }
                // work around firefox bug, https://bugzilla.mozilla.org/show_bug.cgi?id=101197
                var s = HTMLElement.prototype.toString.call(node);
                if (s == '[xpconnect wrapped native prototype]' || s == '[object XULElement]') {
                    return;
                }
                    return node.nodeType == 3 ? node.parentNode: node;
                }: function(node) {
                    return node && node.nodeType == 3 ? node.parentNode: node;
                },

        // --------------------- custom event binding ---------------------

        // Keep track of the current width/height
        curWidth: 0,
        curHeight: 0,

        /**
         * Adds a listener to be notified when the browser window is resized and provides resize event buffering (100 milliseconds),
         * passes new viewport width and height to handlers.
         * @param {Function} fn      The handler function the window resize event invokes.
         * @param {Object}   scope   The scope (<code>this</code> reference) in which the handler function executes. Defaults to the browser window.
         * @param {Boolean}  options Options object as passed to {@link Ext.Element#addListener}
         */
        onWindowResize: function(fn, scope, options) {
            var resize = EventManager.resizeEvent;

            if (!resize) {
                EventManager.resizeEvent = resize = new Ext.util.Event();
                EventManager.on(win, 'resize', EventManager.fireResize, null, {buffer: 100});
            }
            resize.addListener(fn, scope, options);
        },

        /**
         * Fire the resize event.
         * @private
         */
        fireResize: function() {
            var w = Ext.Element.getViewWidth(),
                h = Ext.Element.getViewHeight();

             //whacky problem in IE where the resize event will sometimes fire even though the w/h are the same.
             if (EventManager.curHeight != h || EventManager.curWidth != w) {
                 EventManager.curHeight = h;
                 EventManager.curWidth = w;
                 EventManager.resizeEvent.fire(w, h);
             }
        },

        /**
         * Removes the passed window resize listener.
         * @param {Function} fn        The method the event invokes
         * @param {Object}   scope    The scope of handler
         */
        removeResizeListener: function(fn, scope) {
            var resize = EventManager.resizeEvent;
            if (resize) {
                resize.removeListener(fn, scope);
            }
        },

        /**
         * Adds a listener to be notified when the browser window is unloaded.
         * @param {Function} fn      The handler function the window unload event invokes.
         * @param {Object}   scope   The scope (<code>this</code> reference) in which the handler function executes. Defaults to the browser window.
         * @param {Boolean}  options Options object as passed to {@link Ext.Element#addListener}
         */
        onWindowUnload: function(fn, scope, options) {
            var unload = EventManager.unloadEvent;

            if (!unload) {
                EventManager.unloadEvent = unload = new Ext.util.Event();
                EventManager.addListener(win, 'unload', EventManager.fireUnload);
            }
            if (fn) {
                unload.addListener(fn, scope, options);
            }
        },

        /**
         * Fires the unload event for items bound with onWindowUnload
         * @private
         */
        fireUnload: function() {
            // wrap in a try catch, could have some problems during unload
            try {
                // relinquish references.
                doc = win = undefined;

                EventManager.unloadEvent.fire();
                // Work around FF3 remembering the last scroll position when refreshing the grid and then losing grid view
                if (Ext.isGecko3) {
                    var gridviews = Ext.ComponentQuery.query('gridview'),
                        i = 0,
                        ln = gridviews.length;
                    for (; i < ln; i++) {
                        gridviews[i].scrollToTop();
                    }
                }
                // Purge all elements in the cache
                var el,
                    cache = Ext.cache;

                for (el in cache) {
                    if (cache.hasOwnProperty(el)) {
                        EventManager.removeAll(el);
                    }
                }
            } catch(e) {
            }
        },

        /**
         * Removes the passed window unload listener.
         * @param {Function} fn        The method the event invokes
         * @param {Object}   scope    The scope of handler
         */
        removeUnloadListener: function(fn, scope) {
            var unload = EventManager.unloadEvent;
            if (unload) {
                unload.removeListener(fn, scope);
            }
        },

        /**
         * note 1: IE fires ONLY the keydown event on specialkey autorepeat
         * note 2: Safari < 3.1, Gecko (Mac/Linux) & Opera fire only the keypress event on specialkey autorepeat
         * (research done by Jan Wolter at http://unixpapa.com/js/key.html)
         * @private
         */
        useKeyDown: Ext.isWebKit ?
                       parseInt(navigator.userAgent.match(/AppleWebKit\/(\d+)/)[1], 10) >= 525 :
                       !((Ext.isGecko && !Ext.isWindows) || Ext.isOpera),

        /**
         * Indicates which event to use for getting key presses.
         * @return {String} The appropriate event name.
         */
        getKeyEvent: function() {
            return EventManager.useKeyDown ? 'keydown' : 'keypress';
        }
    });

    // route "< ie9-Standards" to a legacy IE onReady implementation
    if(!('addEventListener' in document) && document.attachEvent) {
        Ext.apply( EventManager, {
            /* Customized implementation for Legacy IE.  The default implementation is configured for use
             *  with all other 'standards compliant' agents.
             *  References: http://javascript.nwbox.com/IEContentLoaded/
             *  licensed courtesy of http://developer.yahoo.com/yui/license.html
             */

            /**
             * This strategy has minimal benefits for Sencha solutions that build themselves (ie. minimal initial page markup).
             * However, progressively-enhanced pages (with image content and/or embedded frames) will benefit the most from it.
             * Browser timer resolution is too poor to ensure a doScroll check more than once on a page loaded with minimal
             * assets (the readystatechange event 'complete' usually beats the doScroll timer on a 'lightly-loaded' initial document).
             */
            pollScroll : function() {
                var scrollable = true;

                try {
                    document.documentElement.doScroll('left');
                } catch(e) {
                    scrollable = false;
                }

                if (scrollable) {
                    EventManager.onReadyEvent({
                        type:'doScroll'
                    });