/ext-4.1.0_b3/docs/source/Simlet.html
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- <pre class="prettyprint lang-js"><span id='Ext-ux-ajax-Simlet'>/**
- </span> * @author Don Griffin
- *
- * This is a base class for more advanced "simlets" (simulated servers). A simlet is asked
- * to provide a response given a {@link Ext.ux.ajax.SimXhr} instance.
- */
- Ext.define('Ext.ux.ajax.Simlet', function () {
- var urlRegex = /([^?#]*)(#.*)?$/,
- dateRegex = /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/,
- intRegex = /^[+-]?\d+$/,
- floatRegex = /^[+-]?\d+\.\d+$/;
- function parseParamValue (value) {
- var m;
- if (Ext.isDefined(value)) {
- value = decodeURIComponent(value);
- if (intRegex.test(value)) {
- value = parseInt(value, 10);
- } else if (floatRegex.test(value)) {
- value = parseFloat(value);
- } else if (!!(m = dateRegex.test(value))) {
- value = new Date(Date.UTC(+m[1], +m[2]-1, +m[3], +m[4], +m[5], +m[6]));
- }
- }
- return value;
- }
- return {
- alias: 'simlet.basic',
- isSimlet: true,
- responseProps: ['responseText', 'responseXML', 'status', 'statusText'],
- <span id='Ext-ux-ajax-Simlet-cfg-responseText'> /**
- </span> * @cfg {Number} responseText
- */
- <span id='Ext-ux-ajax-Simlet-cfg-responseXML'> /**
- </span> * @cfg {Number} responseXML
- */
- <span id='Ext-ux-ajax-Simlet-cfg-responseHeaders'> /**
- </span> * @cfg {Object} responseHeaders
- */
- <span id='Ext-ux-ajax-Simlet-cfg-status'> /**
- </span> * @cfg {Number} status
- */
- status: 200,
- <span id='Ext-ux-ajax-Simlet-cfg-statusText'> /**
- </span> * @cfg {String} statusText
- */
- statusText: 'OK',
- constructor: function (config) {
- Ext.apply(this, config);
- },
- doGet: function (ctx) {
- var me = this,
- ret = {};
- Ext.each(me.responseProps, function (prop) {
- if (prop in me) {
- ret[prop] = me[prop];
- }
- });
- return ret;
- },
- doRedirect: function (ctx) {
- return false;
- },
- <span id='Ext-ux-ajax-Simlet-method-exec'> /**
- </span> * Performs the action requested by the given XHR and returns an object to be applied
- * on to the XHR (containing `status`, `responseText`, etc.). For the most part,
- * this is delegated to `doMethod` methods on this class, such as `doGet`.
- *
- * @param {Ext.ux.ajax.SimXhr} xhr The simulated XMLHttpRequest instance.
- * @returns {Object} The response properties to add to the XMLHttpRequest.
- */
- exec: function (xhr) {
- var me = this,
- ret = {},
- method = 'do' + Ext.String.capitalize(xhr.method.toLowerCase()), // doGet
- fn = me[method];
- if (fn) {
- ret = fn.call(me, me.getCtx(xhr.method, xhr.url, xhr));
- } else {
- ret = { status: 405, statusText: 'Method Not Allowed' };
- }
- return ret;
- },
- getCtx: function (method, url, xhr) {
- return {
- method: method,
- params: this.parseQueryString(url),
- url: url,
- xhr: xhr
- };
- },
- openRequest: function (method, url, options, async) {
- var ctx = this.getCtx(method, url),
- redirect = this.doRedirect(ctx),
- xhr;
- if (redirect) {
- xhr = redirect;
- } else {
- xhr = new Ext.ux.ajax.SimXhr({
- mgr: this.manager,
- simlet: this,
- options: options
- });
- xhr.open(method, url, async);
- }
- return xhr;
- },
- parseQueryString : function (str) {
- var m = urlRegex.exec(str),
- ret = {},
- key,
- value,
- i, n;
- if (m && m[1]) {
- var pair, parts = m[1].split('&');
- for (i = 0, n = parts.length; i < n; ++i) {
- if ((pair = parts[i].split('='))[0]) {
- key = decodeURIComponent(pair.shift());
- value = parseParamValue((pair.length > 1) ? pair.join('=') : pair[0]);
- if (!(key in ret)) {
- ret[key] = value;
- } else if (Ext.isArray(ret[key])) {
- ret[key].push(value);
- } else {
- ret[key] = [ret[key], value];
- }
- }
- }
- }
- return ret;
- },
- redirect: function (method, url, params) {
- switch (arguments.length) {
- case 2:
- if (typeof url == 'string') {
- break;
- }
- params = url;
- // fall...
- case 1:
- url = method;
- method = 'GET';
- break;
- }
- if (params) {
- url = Ext.urlAppend(url, Ext.Object.toQueryString(params));
- }
- return this.manager.openRequest(method, url);
- }
- };
- }());
- </pre>
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