/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.7.0
*/
/**
 * @description <p>Makes an element resizable</p>
 * @namespace YAHOO.util
 * @requires yahoo, dom, dragdrop, element, event
 * @optional animation
 * @module resize
 */
(function() {
var D = YAHOO.util.Dom,
    Event = YAHOO.util.Event,
    Lang = YAHOO.lang;

    /**
     * @constructor
     * @class Resize
     * @extends YAHOO.util.Element
     * @description <p>Makes an element resizable</p>
     * @param {String/HTMLElement} el The element to make resizable.
     * @param {Object} attrs Object liternal containing configuration parameters.
    */

    var Resize = function(el, config) {
        YAHOO.log('Creating Resize Object', 'info', 'Resize');
        var oConfig = {
            element: el,
            attributes: config || {}
        };

        Resize.superclass.constructor.call(this, oConfig.element, oConfig.attributes);    
    };

    /**
    * @private
    * @static
    * @property _instances
    * @description Internal hash table for all resize instances
    * @type Object
    */ 
    Resize._instances = {};
    /**
    * @static
    * @method getResizeById 
    * @description Get's a resize object by the HTML id of the element associated with the Resize object.
    * @return {Object} The Resize Object
    */ 
    Resize.getResizeById = function(id) {
        if (Resize._instances[id]) {
            return Resize._instances[id];
        }
        YAHOO.log('No Instance Found', 'error', 'Resize');
        return false;
    };

    YAHOO.extend(Resize, YAHOO.util.Element, {
        /**
        * @private
        * @property CSS_RESIZE
        * @description Base CSS class name
        * @type String
        */ 
        CSS_RESIZE: 'yui-resize',
        /**
        * @private
        * @property CSS_DRAG
        * @description Class name added when dragging is enabled
        * @type String
        */ 
        CSS_DRAG: 'yui-draggable',
        /**
        * @private
        * @property CSS_HOVER
        * @description Class name used for hover only handles
        * @type String
        */ 
        CSS_HOVER: 'yui-resize-hover',
        /**
        * @private
        * @property CSS_PROXY
        * @description Class name given to the proxy element
        * @type String
        */ 
        CSS_PROXY: 'yui-resize-proxy',
        /**
        * @private
        * @property CSS_WRAP
        * @description Class name given to the wrap element
        * @type String
        */ 
        CSS_WRAP: 'yui-resize-wrap',
        /**
        * @private
        * @property CSS_KNOB
        * @description Class name used to make the knob style handles
        * @type String
        */ 
        CSS_KNOB: 'yui-resize-knob',
        /**
        * @private
        * @property CSS_HIDDEN
        * @description Class name given to the wrap element to make all handles hidden
        * @type String
        */ 
        CSS_HIDDEN: 'yui-resize-hidden',
        /**
        * @private
        * @property CSS_HANDLE
        * @description Class name given to all handles, used as a base for single handle names as well.. Handle "t" will get this.CSS_HANDLE + '-t' as well as this.CSS_HANDLE
        * @type String
        */ 
        CSS_HANDLE: 'yui-resize-handle',
        /**
        * @private
        * @property CSS_STATUS
        * @description Class name given to the status element
        * @type String
        */ 
        CSS_STATUS: 'yui-resize-status',
        /**
        * @private
        * @property CSS_GHOST
        * @description Class name given to the wrap element when the ghost property is active
        * @type String
        */ 
        CSS_GHOST: 'yui-resize-ghost',
        /**
        * @private
        * @property CSS_RESIZING
        * @description Class name given to the wrap element when a resize action is taking place.
        * @type String
        */ 
        CSS_RESIZING: 'yui-resize-resizing',
        /**
        * @private
        * @property _resizeEvent
        * @description The mouse event used to resize with
        * @type Event
        */ 
        _resizeEvent: null,
        /**
        * @private
        * @property dd
        * @description The <a href="YAHOO.util.DragDrop.html">YAHOO.util.DragDrop</a> instance used if draggable is true
        * @type Object
        */ 
        dd: null,
        /** 
        * @private
        * @property browser
        * @description A copy of the YAHOO.env.ua property
        * @type Object
        */
        browser: YAHOO.env.ua,
        /** 
        * @private
        * @property _locked
        * @description A flag to show if the resize is locked
        * @type Boolean
        */
        _locked: null,
        /** 
        * @private
        * @property _positioned
        * @description A flag to show if the element is absolutely positioned
        * @type Boolean
        */
        _positioned: null,
        /** 
        * @private
        * @property _dds
        * @description An Object containing references to all of the <a href="YAHOO.util.DragDrop.html">YAHOO.util.DragDrop</a> instances used for the resize handles
        * @type Object
        */
        _dds: null,
        /** 
        * @private
        * @property _wrap
        * @description The HTML reference of the element wrapper
        * @type HTMLElement
        */
        _wrap: null,
        /** 
        * @private
        * @property _proxy
        * @description The HTML reference of the element proxy
        * @type HTMLElement
        */
        _proxy: null,
        /** 
        * @private
        * @property _handles
        * @description An object containing references to all of the resize handles.
        * @type Object
        */
        _handles: null,
        /** 
        * @private
        * @property _currentHandle
        * @description The string identifier of the currently active handle. e.g. 'r', 'br', 'tl'
        * @type String
        */
        _currentHandle: null,
        /** 
        * @private
        * @property _currentDD
        * @description A link to the currently active DD object
        * @type Object
        */
        _currentDD: null,
        /** 
        * @private
        * @property _cache
        * @description An lookup table containing key information for the element being resized. e.g. height, width, x position, y position, etc..
        * @type Object
        */
        _cache: null,
        /** 
        * @private
        * @property _active
        * @description Flag to show if the resize is active. Used for events.
        * @type Boolean
        */
        _active: null,
        /** 
        * @private
        * @method _createProxy
        * @description Creates the proxy element if the proxy config is true
        */
        _createProxy: function() {
            if (this.get('proxy')) {
                YAHOO.log('Creating the Proxy Element', 'info', 'Resize');
                this._proxy = document.createElement('div');
                this._proxy.className = this.CSS_PROXY;
                this._proxy.style.height = this.get('element').clientHeight + 'px';
                this._proxy.style.width = this.get('element').clientWidth + 'px';
                this._wrap.parentNode.appendChild(this._proxy);
            } else {
                YAHOO.log('No proxy element, turn off animate config option', 'info', 'Resize');
                this.set('animate', false);
            }
        },
        /** 
        * @private
        * @method _createWrap
        * @description Creates the wrap element if the wrap config is true. It will auto wrap the following element types: img, textarea, input, iframe, select
        */
        _createWrap: function() {
            YAHOO.log('Create the wrap element', 'info', 'Resize');
            this._positioned = false;
            //Force wrap for elements that can't have children 
            if (this.get('wrap') === false) {
                switch (this.get('element').tagName.toLowerCase()) {
                    case 'img':
                    case 'textarea':
                    case 'input':
                    case 'iframe':
                    case 'select':
                        YAHOO.log('Auto-wrapping the element (' + this.get('element').tagName.toLowerCase() + ')', 'warn', 'Resize');
                        this.set('wrap', true);
                        break;
                }
            }
            if (this.get('wrap') === true) {
                YAHOO.log('Creating the wrap element', 'info', 'Resize');
                this._wrap = document.createElement('div');
                this._wrap.id = this.get('element').id + '_wrap';
                this._wrap.className = this.CSS_WRAP;
                if (this.get('element').tagName.toLowerCase() == 'textarea') {
                    D.addClass(this._wrap, 'yui-resize-textarea');
                }
                D.setStyle(this._wrap, 'width', this.get('width') + 'px');
                D.setStyle(this._wrap, 'height', this.get('height') + 'px');
                D.setStyle(this._wrap, 'z-index', this.getStyle('z-index'));
                this.setStyle('z-index', 0);
                var pos = D.getStyle(this.get('element'), 'position');
                D.setStyle(this._wrap, 'position', ((pos == 'static') ? 'relative' : pos));
                D.setStyle(this._wrap, 'top', D.getStyle(this.get('element'), 'top'));
                D.setStyle(this._wrap, 'left', D.getStyle(this.get('element'), 'left'));
                if (D.getStyle(this.get('element'), 'position') == 'absolute') {
                    this._positioned = true;
                    YAHOO.log('The element is positioned absolute', 'info', 'Resize');
                    D.setStyle(this.get('element'), 'position', 'relative');
                    D.setStyle(this.get('element'), 'top', '0');
                    D.setStyle(this.get('element'), 'left', '0');
                }
                var par = this.get('element').parentNode;
                par.replaceChild(this._wrap, this.get('element'));
                this._wrap.appendChild(this.get('element'));
            } else {
                this._wrap = this.get('element');
                if (D.getStyle(this._wrap, 'position') == 'absolute') {
                    this._positioned = true;
                }
            }
            if (this.get('draggable')) {
                this._setupDragDrop();
            }
            if (this.get('hover')) {
                D.addClass(this._wrap, this.CSS_HOVER);
            }
            if (this.get('knobHandles')) {
                D.addClass(this._wrap, this.CSS_KNOB);
            }
            if (this.get('hiddenHandles')) {
                D.addClass(this._wrap, this.CSS_HIDDEN);
            }
            D.addClass(this._wrap, this.CSS_RESIZE);
        },
        /** 
        * @private
        * @method _setupDragDrop
        * @description Setup the <a href="YAHOO.util.DragDrop.html">YAHOO.util.DragDrop</a> instance on the element
        */
        _setupDragDrop: function() {
            YAHOO.log('Setting up the dragdrop instance on the element', 'info', 'Resize');
            D.addClass(this._wrap, this.CSS_DRAG);
            this.dd = new YAHOO.util.DD(this._wrap, this.get('id') + '-resize', { dragOnly: true, useShim: this.get('useShim') });
            this.dd.on('dragEvent', function() {
                this.fireEvent('dragEvent', arguments);
            }, this, true);
        },
        /** 
        * @private
        * @method _createHandles
        * @description Creates the handles as specified in the config
        */
        _createHandles: function() {
            YAHOO.log('Creating the handles', 'info', 'Resize');
            this._handles = {};
            this._dds = {};
            var h = this.get('handles');
            for (var i = 0; i < h.length; i++) {
                YAHOO.log('Creating handle position: ' + h[i], 'info', 'Resize');
                this._handles[h[i]] = document.createElement('div');
                this._handles[h[i]].id = D.generateId(this._handles[h[i]]);
                this._handles[h[i]].className = this.CSS_HANDLE + ' ' + this.CSS_HANDLE + '-' + h[i];
                var k = document.createElement('div');
                k.className = this.CSS_HANDLE + '-inner-' + h[i];
                this._handles[h[i]].appendChild(k);
                this._wrap.appendChild(this._handles[h[i]]);
                Event.on(this._handles[h[i]], 'mouseover', this._handleMouseOver, this, true);
                Event.on(this._handles[h[i]], 'mouseout', this._handleMouseOut, this, true);
                this._dds[h[i]] = new YAHOO.util.DragDrop(this._handles[h[i]], this.get('id') + '-handle-' + h, { useShim: this.get('useShim') });
                this._dds[h[i]].setPadding(15, 15, 15, 15);
                this._dds[h[i]].on('startDragEvent', this._handleStartDrag, this._dds[h[i]], this);
                this._dds[h[i]].on('mouseDownEvent', this._handleMouseDown, this._dds[h[i]], this);
            }
            YAHOO.log('Creating the Status box', 'info', 'Resize');
            this._status = document.createElement('span');
            this._status.className = this.CSS_STATUS;
            document.body.insertBefore(this._status, document.body.firstChild);
        },
        /** 
        * @private
        * @method _ieSelectFix
        * @description The function we use as the onselectstart handler when we start a drag in Internet Explorer
        */
        _ieSelectFix: function() {
            return false;
        },
        /** 
        * @private
        * @property _ieSelectBack
        * @description We will hold a copy of the current "onselectstart" method on this property, and reset it after we are done using it.
        */
        _ieSelectBack: null,
        /** 
        * @private
        * @method _setAutoRatio
        * @param {Event} ev A mouse event.
        * @description This method checks to see if the "autoRatio" config is set. If it is, we will check to see if the "Shift Key" is pressed. If so, we will set the config ratio to true.
        */
        _setAutoRatio: function(ev) {
            if (this.get('autoRatio')) {
                YAHOO.log('Setting up AutoRatio', 'info', 'Resize');
                if (ev && ev.shiftKey) {
                    //Shift Pressed
                    YAHOO.log('Shift key presses, turning on ratio', 'info', 'Resize');
                    this.set('ratio', true);
                } else {
                    YAHOO.log('Resetting ratio back to default', 'info', 'Resize');
                    this.set('ratio', this._configs.ratio._initialConfig.value);
                }
            }
        },
        /** 
        * @private
        * @method _handleMouseDown
        * @param {Event} ev A mouse event.
        * @description This method preps the autoRatio on MouseDown.
        */
        _handleMouseDown: function(ev) {
            if (this._locked) {
                YAHOO.log('Resize Locked', 'info', 'Resize');
                return false;
            }
            if (D.getStyle(this._wrap, 'position') == 'absolute') {
                this._positioned = true;
            }
            if (ev) {
                this._setAutoRatio(ev);
            }
            if (this.browser.ie) {
                this._ieSelectBack = document.body.onselectstart;
                document.body.onselectstart = this._ieSelectFix;
            }
        },
        /** 
        * @private
        * @method _handleMouseOver
        * @param {Event} ev A mouse event.
        * @description Adds CSS class names to the handles
        */
        _handleMouseOver: function(ev) {
            if (this._locked) {
                YAHOO.log('Resize Locked', 'info', 'Resize');
                return false;
            }
            D.removeClass(this._wrap, this.CSS_RESIZE);

            if (this.get('hover')) {
                D.removeClass(this._wrap, this.CSS_HOVER);
            }
            var tar = Event.getTarget(ev);
            if (!D.hasClass(tar, this.CSS_HANDLE)) {
                tar = tar.parentNode;
            }
            if (D.hasClass(tar, this.CSS_HANDLE) && !this._active) {
                D.addClass(tar, this.CSS_HANDLE + '-active');
                for (var i in this._handles) {
                    if (Lang.hasOwnProperty(this._handles, i)) {
                        if (this._handles[i] == tar) {
                            D.addClass(tar, this.CSS_HANDLE + '-' + i + '-active');
                            break;
                        }
                    }
                }
            }

            D.addClass(this._wrap, this.CSS_RESIZE);
        },
        /** 
        * @private
        * @method _handleMouseOut
        * @param {Event} ev A mouse event.
        * @description Removes CSS class names to the handles
        */
        _handleMouseOut: function(ev) {
            D.removeClass(this._wrap, this.CSS_RESIZE);
            if (this.get('hover') && !this._active) {
                D.addClass(this._wrap, this.CSS_HOVER);
            }
            var tar = Event.getTarget(ev);
            if (!D.hasClass(tar, this.CSS_HANDLE)) {
                tar = tar.parentNode;
            }
            if (D.hasClass(tar, this.CSS_HANDLE) && !this._active) {
                D.removeClass(tar, this.CSS_HANDLE + '-active');
                for (var i in this._handles) {
                    if (Lang.hasOwnProperty(this._handles, i)) {
                        if (this._handles[i] == tar) {
                            D.removeClass(tar, this.CSS_HANDLE + '-' + i + '-active');
                            break;
                        }
                    }
                }
            }
            D.addClass(this._wrap, this.CSS_RESIZE);
        },
        /** 
        * @private
        * @method _handleStartDrag
        * @param {Object} args The args passed from the CustomEvent.
        * @param {Object} dd The <a href="YAHOO.util.DragDrop.html">YAHOO.util.DragDrop</a> object we are working with.
        * @description Resizes the proxy, sets up the <a href="YAHOO.util.DragDrop.html">YAHOO.util.DragDrop</a> handlers, updates the status div and preps the cache
        */
        _handleStartDrag: function(args, dd) {
            YAHOO.log('startDrag', 'info', 'Resize');
            var tar = dd.getDragEl();
            if (D.hasClass(tar, this.CSS_HANDLE)) {
                if (D.getStyle(this._wrap, 'position') == 'absolute') {
                    this._positioned = true;
                }
                this._active = true;
                this._currentDD = dd;
                if (this._proxy) {
                    YAHOO.log('Activate proxy element', 'info', 'Resize');
                    this._proxy.style.visibility = 'visible';
                    this._proxy.style.zIndex = '1000';
                    this._proxy.style.height = this.get('element').clientHeight + 'px';
                    this._proxy.style.width = this.get('element').clientWidth + 'px';
                }

                for (var i in this._handles) {
                    if (Lang.hasOwnProperty(this._handles, i)) {
                        if (this._handles[i] == tar) {
                            this._currentHandle = i;
                            var handle = '_handle_for_' + i;
                            D.addClass(tar, this.CSS_HANDLE + '-' + i + '-active');
                            dd.on('dragEvent', this[handle], this, true);
                            dd.on('mouseUpEvent', this._handleMouseUp, this, true);
                            YAHOO.log('Adding DragEvents to: ' + i, 'info', 'Resize');
                            break;
                        }
                    }
                }


                D.addClass(tar, this.CSS_HANDLE + '-active');

                if (this.get('proxy')) {
                    YAHOO.log('Posiiton Proxy Element', 'info', 'Resize');
                    var xy = D.getXY(this.get('element'));
                    D.setXY(this._proxy, xy);
                    if (this.get('ghost')) {
                        YAHOO.log('Add Ghost Class', 'info', 'Resize');
                        this.addClass(this.CSS_GHOST);
                    }
                }
                D.addClass(this._wrap, this.CSS_RESIZING);
                this._setCache();
                this._updateStatus(this._cache.height, this._cache.width, this._cache.top, this._cache.left);
                YAHOO.log('Firing startResize Event', 'info', 'Resize');
                this.fireEvent('startResize', { type: 'startresize', target: this});
            }
        },
        /** 
        * @private
        * @method _setCache
        * @description Sets up the this._cache hash table.
        */
        _setCache: function() {
            YAHOO.log('Setting up property cache', 'info', 'Resize');
            this._cache.xy = D.getXY(this._wrap);
            D.setXY(this._wrap, this._cache.xy);
            this._cache.height = this.get('clientHeight');
            this._cache.width = this.get('clientWidth');
            this._cache.start.height = this._cache.height;
            this._cache.start.width = this._cache.width;
            this._cache.start.top = this._cache.xy[1];
            this._cache.start.left = this._cache.xy[0];
            this._cache.top = this._cache.xy[1];
            this._cache.left = this._cache.xy[0];
            this.set('height', this._cache.height, true);
            this.set('width', this._cache.width, true);
        },
        /** 
        * @private
        * @method _handleMouseUp
        * @param {Event} ev A mouse event.
        * @description Cleans up listeners, hides proxy element and removes class names.
        */
        _handleMouseUp: function(ev) {
            this._active = false;

            var handle = '_handle_for_' + this._currentHandle;
            this._currentDD.unsubscribe('dragEvent', this[handle], this, true);
            this._currentDD.unsubscribe('mouseUpEvent', this._handleMouseUp, this, true);

            if (this._proxy) {
                YAHOO.log('Hide Proxy Element', 'info', 'Resize');
                this._proxy.style.visibility = 'hidden';
                this._proxy.style.zIndex = '-1';
                if (this.get('setSize')) {
                    YAHOO.log('Setting Size', 'info', 'Resize');
                    this.resize(ev, this._cache.height, this._cache.width, this._cache.top, this._cache.left, true);
                } else {
                    YAHOO.log('Firing Resize Event', 'info', 'Resize');
                    this.fireEvent('resize', { ev: 'resize', target: this, height: this._cache.height, width: this._cache.width, top: this._cache.top, left: this._cache.left });
                }

                if (this.get('ghost')) {
                    YAHOO.log('Removing Ghost Class', 'info', 'Resize');
                    this.removeClass(this.CSS_GHOST);
                }
            }

            if (this.get('hover')) {
                D.addClass(this._wrap, this.CSS_HOVER);
            }
            if (this._status) {
                D.setStyle(this._status, 'display', 'none');
            }
            if (this.browser.ie) {
                YAHOO.log('Resetting IE onselectstart function', 'info', 'Resize');
                document.body.onselectstart = this._ieSelectBack;
            }

            if (this.browser.ie) {
                D.removeClass(this._wrap, this.CSS_RESIZE);
            }

            for (var i in this._handles) {
                if (Lang.hasOwnProperty(this._handles, i)) {
                    D.removeClass(this._handles[i], this.CSS_HANDLE + '-active');
                }
            }
            if (this.get('hover') && !this._active) {
                D.addClass(this._wrap, this.CSS_HOVER);
            }
            D.removeClass(this._wrap, this.CSS_RESIZING);

            D.removeClass(this._handles[this._currentHandle], this.CSS_HANDLE + '-' + this._currentHandle + '-active');
            D.removeClass(this._handles[this._currentHandle], this.CSS_HANDLE + '-active');

            if (this.browser.ie) {
                D.addClass(this._wrap, this.CSS_RESIZE);
            }

            this._resizeEvent = null;
            this._currentHandle = null;
            
            if (!this.get('animate')) {
                this.set('height', this._cache.height, true);
                this.set('width', this._cache.width, true);
            }

            YAHOO.log('Firing endResize Event', 'info', 'Resize');
            this.fireEvent('endResize', { ev: 'endResize', target: this, height: this._cache.height, width: this._cache.width, top: this._cache.top, left: this._cache.left });
        },
        /** 
        * @private
        * @method _setRatio
        * @param {Number} h The height offset.
        * @param {Number} w The with offset.
        * @param {Number} t The top offset.
        * @param {Number} l The left offset.
        * @description Using the Height, Width, Top & Left, it recalcuates them based on the original element size.
        * @return {Array} The new Height, Width, Top & Left settings
        */
        _setRatio: function(h, w, t, l) {
            YAHOO.log('Setting Ratio', 'info', 'Resize');
            var oh = h, ow = w;
            if (this.get('ratio')) {
                var orgH = this._cache.height,
                    orgW = this._cache.width,
                    nh = parseInt(this.get('height'), 10),
                    nw = parseInt(this.get('width'), 10),
                    maxH = this.get('maxHeight'),
                    minH = this.get('minHeight'),
                    maxW = this.get('maxWidth'),
                    minW = this.get('minWidth');

                switch (this._currentHandle) {
                    case 'l':
                        h = nh * (w / nw);
                        h = Math.min(Math.max(minH, h), maxH);                        
                        w = nw * (h / nh);
                        t = (this._cache.start.top - (-((nh - h) / 2)));
                        l = (this._cache.start.left - (-((nw - w))));
                        break;
                    case 'r':
                        h = nh * (w / nw);
                        h = Math.min(Math.max(minH, h), maxH);                        
                        w = nw * (h / nh);
                        t = (this._cache.start.top - (-((nh - h) / 2)));
                        break;
                    case 't':
                        w = nw * (h / nh);
                        h = nh * (w / nw);
                        l = (this._cache.start.left - (-((nw - w) / 2)));
                        t = (this._cache.start.top - (-((nh - h))));
                        break;
                    case 'b':
                        w = nw * (h / nh);
                        h = nh * (w / nw);
                        l = (this._cache.start.left - (-((nw - w) / 2)));
                        break;
                    case 'bl':
                        h = nh * (w / nw);
                        w = nw * (h / nh);
                        l = (this._cache.start.left - (-((nw - w))));
                        break;
                    case 'br':
                        h = nh * (w / nw);
                        w = nw * (h / nh);
                        break;
                    case 'tl':
                        h = nh * (w / nw);
                        w = nw * (h / nh);
                        l = (this._cache.start.left - (-((nw - w))));
                        t = (this._cache.start.top - (-((nh - h))));
                        break;
                    case 'tr':
                        h = nh * (w / nw);
                        w = nw * (h / nh);
                        l = (this._cache.start.left);
                        t = (this._cache.start.top - (-((nh - h))));
                        break;
                }
                oh = this._checkHeight(h);
                ow = this._checkWidth(w);
                if ((oh != h) || (ow != w)) {
                    t = 0;
                    l = 0;
                    if (oh != h) {
                        ow = this._cache.width;
                    }
                    if (ow != w) {
                        oh = this._cache.height;
                    }
                }
            }
            return [oh, ow, t, l];
        },
        /** 
        * @private
        * @method _updateStatus
        * @param {Number} h The new height setting.
        * @param {Number} w The new width setting.
        * @param {Number} t The new top setting.
        * @param {Number} l The new left setting.
        * @description Using the Height, Width, Top & Left, it updates the status element with the elements sizes.
        */
        _updateStatus: function(h, w, t, l) {
            if (this._resizeEvent && (!Lang.isString(this._resizeEvent))) {
                YAHOO.log('Updating Status Box', 'info', 'Resize');
                h = ((h === 0) ? this._cache.start.height : h);
                w = ((w === 0) ? this._cache.start.width : w);
                var h1 = parseInt(this.get('height'), 10),
                    w1 = parseInt(this.get('width'), 10);
                
                if (isNaN(h1)) {
                    h1 = parseInt(h, 10);
                }
                if (isNaN(w1)) {
                    w1 = parseInt(w, 10);
                }
                var diffH = (parseInt(h, 10) - h1);
                var diffW = (parseInt(w, 10) - w1);
                this._cache.offsetHeight = diffH;
                this._cache.offsetWidth = diffW;
                if (this.get('status')) {
                    YAHOO.log('Showing Status Box', 'info', 'Resize');
                    D.setStyle(this._status, 'display', 'inline');
                    //This will cause IE8 to crash if the status box is hidden..
                    this._status.innerHTML = '<strong>' + parseInt(h, 10) + ' x ' + parseInt(w, 10) + '</strong><em>' + ((diffH > 0) ? '+' : '') + diffH + ' x ' + ((diffW > 0) ? '+' : '') + diffW + '</em>';
                    D.setXY(this._status, [Event.getPageX(this._resizeEvent) + 12, Event.getPageY(this._resizeEvent) + 12]);
                }
            }
        },
        /** 
        * @method lock
        * @description Lock the resize so it can't be resized
        * @param {Boolean} dd If the draggable config is set, lock it too
        * @return {<a href="YAHOO.util.Resize.html">YAHOO.util.Resize</a>} The Resize instance
        */
        lock: function(dd) {
            this._locked = true;
            if (dd && this.dd) {
                D.removeClass(this._wrap, 'yui-draggable');
                this.dd.lock();
            }
            return this;
        },
        /** 
        * @method unlock
        * @description Unlock the resize so it can be resized
        * @param {Boolean} dd If the draggable config is set, unlock it too
        * @return {<a href="YAHOO.util.Resize.html">YAHOO.util.Resize</a>} The Resize instance
        */
        unlock: function(dd) {
            this._locked = false;
            if (dd && this.dd) {
                D.addClass(this._wrap, 'yui-draggable');
                this.dd.unlock();
            }
            return this;
        },
        /** 
        * @method isLocked
        * @description Check the locked status of the resize instance
        * @return {Boolean}
        */
        isLocked: function() {
            return this._locked;
        },
        /** 
        * @method reset
        * @description Resets the element to is start state.
        * @return {<a href="YAHOO.util.Resize.html">YAHOO.util.Resize</a>} The Resize instance
        */
        reset: function() {
            YAHOO.log('Resetting to cached sizes and position', 'info', 'Resize');
            this.resize(null, this._cache.start.height, this._cache.start.width, this._cache.start.top, this._cache.start.left, true);
            return this;
        },
        /** 
        * @private
        * @method resize
        * @param {Event} ev The mouse event.
        * @param {Number} h The new height setting.
        * @param {Number} w The new width setting.
        * @param {Number} t The new top setting.
        * @param {Number} l The new left setting.
        * @param {Boolean} force Resize the element (used for proxy resize).
        * @param {Boolean} silent Don't fire the beforeResize Event.
        * @description Resizes the element, wrapper or proxy based on the data from the handlers.
        * @return {<a href="YAHOO.util.Resize.html">YAHOO.util.Resize</a>} The Resize instance
        */
        resize: function(ev, h, w, t, l, force, silent) {
            if (this._locked) {
                YAHOO.log('Resize Locked', 'info', 'Resize');
                return false;
            }
            YAHOO.log('Resize: ' + h + ',' + w + ',' + t + ',' + l, 'info', 'Resize');
            this._resizeEvent = ev;
            var el = this._wrap, anim = this.get('animate'), set = true;
            if (this._proxy && !force) {
                el = this._proxy;
                anim = false;
            }
            this._setAutoRatio(ev);
            if (this._positioned) {
                if (this._proxy) {
                    t = this._cache.top - t;
                    l = this._cache.left - l;
                }
            }
            
            
            var ratio = this._setRatio(h, w, t, l);
            h = parseInt(ratio[0], 10);
            w = parseInt(ratio[1], 10);
            t = parseInt(ratio[2], 10);
            l = parseInt(ratio[3], 10);
            
            if (t == 0) {
                //No Offset, get from cache
                t = D.getY(el);
            }
            if (l == 0) {
                //No Offset, get from cache
                l = D.getX(el);
            }

            

            if (this._positioned) {
                if (this._proxy && force) {
                    if (!anim) {
                        el.style.top = this._proxy.style.top;
                        el.style.left = this._proxy.style.left;
                    } else {
                        t = this._proxy.style.top;
                        l = this._proxy.style.left;
                    }
                } else {
                    if (!this.get('ratio') && !this._proxy) {
                        t = this._cache.top + -(t);
                        l = this._cache.left + -(l);
                    }
                    if (t) {
                        if (this.get('minY')) {
                            if (t < this.get('minY')) {
                                t = this.get('minY');
                            }
                        }
                        if (this.get('maxY')) {
                            if (t > this.get('maxY')) {
                                t = this.get('maxY');
                            }
                        }
                    }
                    if (l) {
                        if (this.get('minX')) {
                            if (l < this.get('minX')) {
                                l = this.get('minX');
                            }
                        }
                        if (this.get('maxX')) {
                            if ((l + w) > this.get('maxX')) {
                                l = (this.get('maxX') - w);
                            }
                        }
                    }
                }
            }
            if (!silent) {
                YAHOO.log('beforeResize', 'info', 'Resize');
                var beforeReturn = this.fireEvent('beforeResize', { ev: 'beforeResize', target: this, height: h, width: w, top: t, left: l });
                if (beforeReturn === false) {
                    YAHOO.log('Resized cancelled because befireResize returned false', 'info', 'Resize');
                    return false;
                }
            }

            this._updateStatus(h, w, t, l);


            if (this._positioned) {
                if (this._proxy && force) {
                    //Do nothing
                } else {
                    if (t) {
                        D.setY(el, t);
                        this._cache.top = t;
                    }
                    if (l) {
                        D.setX(el, l);
                        this._cache.left = l;
                    }
                }
            }
            if (h) {
                if (!anim) {
                    set = true;
                    if (this._proxy && force) {
                        if (!this.get('setSize')) {
                            set = false;
                        }
                    }
                    if (set) {
                        el.style.height = h + 'px';
                    }
                    if ((this._proxy && force) || !this._proxy) {
                        if (this._wrap != this.get('element')) {
                            this.get('element').style.height = h + 'px';
                        }
                    }
                }
                this._cache.height = h;
            }
            if (w) {
                this._cache.width = w;
                if (!anim) {
                    set = true;
                    if (this._proxy && force) {
                        if (!this.get('setSize')) {
                            set = false;
                        }
                    }
                    if (set) {
                        el.style.width = w + 'px';
                    }
                    if ((this._proxy && force) || !this._proxy) {
                        if (this._wrap != this.get('element')) {
                            this.get('element').style.width = w + 'px';
                        }
                    }
                }
            }
            if (anim) {
                if (YAHOO.util.Anim) {
                    var _anim = new YAHOO.util.Anim(el, {
                        height: {
                            to: this._cache.height
                        },
                        width: {
                            to: this._cache.width
                        }
                    }, this.get('animateDuration'), this.get('animateEasing'));
                    if (this._positioned) {
                        if (t) {
                            _anim.attributes.top = {
                                to: parseInt(t, 10)
                            };
                        }
                        if (l) {
                            _anim.attributes.left = {
                                to: parseInt(l, 10)
                            };
                        }
                    }

                    if (this._wrap != this.get('element')) {
                        _anim.onTween.subscribe(function() {
                            this.get('element').style.height = el.style.height;
                            this.get('element').style.width = el.style.width;
                        }, this, true);
                    }

                    _anim.onComplete.subscribe(function() {
                        YAHOO.log('Animation onComplete fired', 'info', 'Resize');
                        this.set('height', h);
                        this.set('width', w);
                        this.fireEvent('resize', { ev: 'resize', target: this, height: h, width: w, top: t, left: l });
                    }, this, true);
                    _anim.animate();

                }
            } else {
                if (this._proxy && !force) {
                    YAHOO.log('proxyResize', 'info', 'Resize');
                    this.fireEvent('proxyResize', { ev: 'proxyresize', target: this, height: h, width: w, top: t, left: l });
                } else {
                    YAHOO.log('resize', 'info', 'Resize');
                    this.fireEvent('resize', { ev: 'resize', target: this, height: h, width: w, top: t, left: l });
                }
            }
            return this;
        },
        /** 
        * @private
        * @method _handle_for_br
        * @param {Object} args The arguments from the CustomEvent.
        * @description Handles the sizes for the Bottom Right handle.
        */
        _handle_for_br: function(args) {
            YAHOO.log('Handle BR', 'info', 'Resize');
            var newW = this._setWidth(args.e);
            var newH = this._setHeight(args.e);
            this.resize(args.e, newH, newW, 0, 0);
        },
        /** 
        * @private
        * @method _handle_for_bl
        * @param {Object} args The arguments from the CustomEvent.
        * @description Handles the sizes for the Bottom Left handle.
        */
        _handle_for_bl: function(args) {
            YAHOO.log('Handle BL', 'info', 'Resize');
            var newW = this._setWidth(args.e, true);
            var newH = this._setHeight(args.e);
            var l = (newW - this._cache.width);
            this.resize(args.e, newH, newW, 0, l);
        },
        /** 
        * @private
        * @method _handle_for_tl
        * @param {Object} args The arguments from the CustomEvent.
        * @description Handles the sizes for the Top Left handle.
        */
        _handle_for_tl: function(args) {
            YAHOO.log('Handle TL', 'info', 'Resize');
            var newW = this._setWidth(args.e, true);
            var newH = this._setHeight(args.e, true);
            var t = (newH - this._cache.height);
            var l = (newW - this._cache.width);
            this.resize(args.e, newH, newW, t, l);
        },
        /** 
        * @private
        * @method _handle_for_tr
        * @param {Object} args The arguments from the CustomEvent.
        * @description Handles the sizes for the Top Right handle.
        */
        _handle_for_tr: function(args) {
            YAHOO.log('Handle TR', 'info', 'Resize');
            var newW = this._setWidth(args.e);
            var newH = this._setHeight(args.e, true);
            var t = (newH - this._cache.height);
            this.resize(args.e, newH, newW, t, 0);
        },
        /** 
        * @private
        * @method _handle_for_r
        * @param {Object} args The arguments from the CustomEvent.
        * @description Handles the sizes for the Right handle.
        */
        _handle_for_r: function(args) {
            YAHOO.log('Handle R', 'info', 'Resize');
            this._dds.r.setYConstraint(0,0);
            var newW = this._setWidth(args.e);
            this.resize(args.e, 0, newW, 0, 0);
        },
        /** 
        * @private
        * @method _handle_for_l
        * @param {Object} args The arguments from the CustomEvent.
        * @description Handles the sizes for the Left handle.
        */
        _handle_for_l: function(args) {
            YAHOO.log('Handle L', 'info', 'Resize');
            this._dds.l.setYConstraint(0,0);
            var newW = this._setWidth(args.e, true);
            var l = (newW - this._cache.width);
            this.resize(args.e, 0, newW, 0, l);
        },
        /** 
        * @private
        * @method _handle_for_b
        * @param {Object} args The arguments from the CustomEvent.
        * @description Handles the sizes for the Bottom handle.
        */
        _handle_for_b: function(args) {
            YAHOO.log('Handle B', 'info', 'Resize');
            this._dds.b.setXConstraint(0,0);
            var newH = this._setHeight(args.e);
            this.resize(args.e, newH, 0, 0, 0);
        },
        /** 
        * @private
        * @method _handle_for_t
        * @param {Object} args The arguments from the CustomEvent.
        * @description Handles the sizes for the Top handle.
        */
        _handle_for_t: function(args) {
            YAHOO.log('Handle T', 'info', 'Resize');
            this._dds.t.setXConstraint(0,0);
            var newH = this._setHeight(args.e, true);
            var t = (newH - this._cache.height);
            this.resize(args.e, newH, 0, t, 0);
        },
        /** 
        * @private
        * @method _setWidth
        * @param {Event} ev The mouse event.
        * @param {Boolean} flip Argument to determine the direction of the movement.
        * @description Calculates the width based on the mouse event.
        * @return {Number} The new value
        */
        _setWidth: function(ev, flip) {
            YAHOO.log('Set width based on Event', 'info', 'Resize');
            var xy = this._cache.xy[0],
                w = this._cache.width,
                x = Event.getPageX(ev),
                nw = (x - xy);

                if (flip) {
                    nw = (xy - x) + parseInt(this.get('width'), 10);
                }
                
                nw = this._snapTick(nw, this.get('xTicks'));
                nw = this._checkWidth(nw);
            return nw;
        },
        /** 
        * @private
        * @method _checkWidth
        * @param {Number} w The width to check.
        * @description Checks the value passed against the maxWidth and minWidth.
        * @return {Number} the new value
        */
        _checkWidth: function(w) {
            YAHOO.log('Checking the min/max width', 'info', 'Resize');
            if (this.get('minWidth')) {
                if (w <= this.get('minWidth')) {
                    YAHOO.log('Using minWidth', 'info', 'Resize');
                    w = this.get('minWidth');
                }
            }
            if (this.get('maxWidth')) {
                if (w >= this.get('maxWidth')) {
                    YAHOO.log('Using Max Width', 'info', 'Resize');
                    w = this.get('maxWidth');
                }
            }
            return w;
        },
        /** 
        * @private
        * @method _checkHeight
        * @param {Number} h The height to check.
        * @description Checks the value passed against the maxHeight and minHeight.
        * @return {Number} The new value
        */
        _checkHeight: function(h) {
            YAHOO.log('Checking the min/max height', 'info', 'Resize');
            if (this.get('minHeight')) {
                if (h <= this.get('minHeight')) {
                    YAHOO.log('Using minHeight', 'info', 'Resize');
                    h = this.get('minHeight');
                }
            }
            if (this.get('maxHeight')) {
                if (h >= this.get('maxHeight')) {
                    YAHOO.log('using maxHeight', 'info', 'Resize');
                    h = this.get('maxHeight');
                }
            }
            return h;
        },
        /** 
        * @private
        * @method _setHeight
        * @param {Event} ev The mouse event.
        * @param {Boolean} flip Argument to determine the direction of the movement.
        * @description Calculated the height based on the mouse event.
        * @return {Number} The new value
        */
        _setHeight: function(ev, flip) {
            YAHOO.log('Setting the height based on the Event', 'info', 'Resize');
            var xy = this._cache.xy[1],
                h = this._cache.height,
                y = Event.getPageY(ev),
                nh = (y - xy);

                if (flip) {
                    nh = (xy - y) + parseInt(this.get('height'), 10);
                }
                nh = this._snapTick(nh, this.get('yTicks'));
                nh = this._checkHeight(nh);
                
            return nh;
        },
        /** 
        * @private
        * @method _snapTick
        * @param {Number} size The size to tick against.
        * @param {Number} pix The tick pixels.
        * @description Adjusts the number based on the ticks used.
        * @return {Number} the new snapped position
        */
        _snapTick: function(size, pix) {
            YAHOO.log('Snapping to ticks', 'info', 'Resize');
            if (!size || !pix) {
                return size;
            }
            var _s = size;
            var _x = size % pix;
            if (_x > 0) {
                if (_x > (pix / 2)) {
                    _s = size + (pix - _x);
                } else {
                    _s = size - _x;
                }
            }
            return _s;
        },
        /** 
        * @private
        * @method init
        * @description The Resize class's initialization method
        */        
        init: function(p_oElement, p_oAttributes) {
            YAHOO.log('init', 'info', 'Resize');
            this._locked = false;
            this._cache = {
                xy: [],
                height: 0,
                width: 0,
                top: 0,
                left: 0,
                offsetHeight: 0,
                offsetWidth: 0,
                start: {
                    height: 0,
                    width: 0,
                    top: 0,
                    left: 0
                }
            };

            Resize.superclass.init.call(this, p_oElement, p_oAttributes);

            this.set('setSize', this.get('setSize'));

            if (p_oAttributes.height) {
                this.set('height', parseInt(p_oAttributes.height, 10));
            } else {
                var h = this.getStyle('height');
                if (h == 'auto') {
                    this.set('height', parseInt(this.get('element').offsetHeight, 10));
                }
            }
            if (p_oAttributes.width) {
                this.set('width', parseInt(p_oAttributes.width, 10));
            } else {
                var w = this.getStyle('width');
                if (w == 'auto') {
                    this.set('width', parseInt(this.get('element').offsetWidth, 10));
                }
            }
            
            var id = p_oElement;
            if (!Lang.isString(id)) {
                id = D.generateId(id);
            }…