-<html>\r
-<head>\r
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> \r
- <title>The source code</title>\r
- <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
-</head>\r
-<body onload="prettyPrint();">\r
- <pre class="prettyprint lang-js">(function(){\r
- var BEFOREREQUEST = "beforerequest",\r
- REQUESTCOMPLETE = "requestcomplete",\r
- REQUESTEXCEPTION = "requestexception",\r
- UNDEFINED = undefined,\r
- LOAD = 'load',\r
- POST = 'POST',\r
- GET = 'GET',\r
- WINDOW = window;\r
-\r
- <div id="cls-Ext.data.Connection"></div>/**\r
- * @class Ext.data.Connection\r
- * @extends Ext.util.Observable\r
- * <p>The class encapsulates a connection to the page's originating domain, allowing requests to be made\r
- * either to a configured URL, or to a URL specified at request time.</p>\r
- * <p>Requests made by this class are asynchronous, and will return immediately. No data from\r
- * the server will be available to the statement immediately following the {@link #request} call.\r
- * To process returned data, use a\r
- * <a href="#request-option-success" ext:member="request-option-success" ext:cls="Ext.data.Connection">success callback</a>\r
- * in the request options object,\r
- * or an {@link #requestcomplete event listener}.</p>\r
- * <p><h3>File Uploads</h3><a href="#request-option-isUpload" ext:member="request-option-isUpload" ext:cls="Ext.data.Connection">File uploads</a> are not performed using normal "Ajax" techniques, that\r
- * is they are <b>not</b> performed using XMLHttpRequests. Instead the form is submitted in the standard\r
- * manner with the DOM <tt><form></tt> element temporarily modified to have its\r
- * <a href="http://www.w3.org/TR/REC-html40/present/frames.html#adef-target">target</a> set to refer\r
- * to a dynamically generated, hidden <tt><iframe></tt> which is inserted into the document\r
- * but removed after the return data has been gathered.</p>\r
- * <p>The server response is parsed by the browser to create the document for the IFRAME. If the\r
- * server is using JSON to send the return object, then the\r
- * <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.17">Content-Type</a> header\r
- * must be set to "text/html" in order to tell the browser to insert the text unchanged into the document body.</p>\r
- * <p>Characters which are significant to an HTML parser must be sent as HTML entities, so encode\r
- * "<" as "&lt;", "&" as "&amp;" etc.</p>\r
- * <p>The response text is retrieved from the document, and a fake XMLHttpRequest object\r
- * is created containing a <tt>responseText</tt> property in order to conform to the\r
- * requirements of event handlers and callbacks.</p>\r
- * <p>Be aware that file upload packets are sent with the content type <a href="http://www.faqs.org/rfcs/rfc2388.html">multipart/form</a>\r
- * and some server technologies (notably JEE) may require some custom processing in order to\r
- * retrieve parameter names and parameter values from the packet content.</p>\r
- * @constructor\r
- * @param {Object} config a configuration object.\r
- */\r
- Ext.data.Connection = function(config){\r
- Ext.apply(this, config);\r
- this.addEvents(\r
- <div id="event-Ext.data.Connection-beforerequest"></div>/**\r
- * @event beforerequest\r
- * Fires before a network request is made to retrieve a data object.\r
- * @param {Connection} conn This Connection object.\r
- * @param {Object} options The options config object passed to the {@link #request} method.\r
- */\r
- BEFOREREQUEST,\r
- <div id="event-Ext.data.Connection-requestcomplete"></div>/**\r
- * @event requestcomplete\r
- * Fires if the request was successfully completed.\r
- * @param {Connection} conn This Connection object.\r
- * @param {Object} response The XHR object containing the response data.\r
- * See <a href="http://www.w3.org/TR/XMLHttpRequest/">The XMLHttpRequest Object</a>\r
- * for details.\r
- * @param {Object} options The options config object passed to the {@link #request} method.\r
- */\r
- REQUESTCOMPLETE,\r
- <div id="event-Ext.data.Connection-requestexception"></div>/**\r
- * @event requestexception\r
- * Fires if an error HTTP status was returned from the server.\r
- * See <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html">HTTP Status Code Definitions</a>\r
- * for details of HTTP status codes.\r
- * @param {Connection} conn This Connection object.\r
- * @param {Object} response The XHR object containing the response data.\r
- * See <a href="http://www.w3.org/TR/XMLHttpRequest/">The XMLHttpRequest Object</a>\r
- * for details.\r
- * @param {Object} options The options config object passed to the {@link #request} method.\r
- */\r
- REQUESTEXCEPTION\r
- );\r
- Ext.data.Connection.superclass.constructor.call(this);\r
- };\r
-\r
- Ext.extend(Ext.data.Connection, Ext.util.Observable, {\r
- <div id="cfg-Ext.data.Connection-url"></div>/**\r
- * @cfg {String} url (Optional) <p>The default URL to be used for requests to the server. Defaults to undefined.</p>\r
- * <p>The <code>url</code> config may be a function which <i>returns</i> the URL to use for the Ajax request. The scope\r
- * (<code><b>this</b></code> reference) of the function is the <code>scope</code> option passed to the {@link #request} method.</p>\r
- */\r
- <div id="cfg-Ext.data.Connection-extraParams"></div>/**\r
- * @cfg {Object} extraParams (Optional) An object containing properties which are used as\r
- * extra parameters to each request made by this object. (defaults to undefined)\r
- */\r
- <div id="cfg-Ext.data.Connection-defaultHeaders"></div>/**\r
- * @cfg {Object} defaultHeaders (Optional) An object containing request headers which are added\r
- * to each request made by this object. (defaults to undefined)\r
- */\r
- <div id="cfg-Ext.data.Connection-method"></div>/**\r
- * @cfg {String} method (Optional) The default HTTP method to be used for requests.\r
- * (defaults to undefined; if not set, but {@link #request} params are present, POST will be used;\r
- * otherwise, GET will be used.)\r
- */\r
- <div id="cfg-Ext.data.Connection-timeout"></div>/**\r
- * @cfg {Number} timeout (Optional) The timeout in milliseconds to be used for requests. (defaults to 30000)\r
- */\r
- timeout : 30000,\r
- <div id="cfg-Ext.data.Connection-autoAbort"></div>/**\r
- * @cfg {Boolean} autoAbort (Optional) Whether this request should abort any pending requests. (defaults to false)\r
- * @type Boolean\r
- */\r
- autoAbort:false,\r
-\r
- <div id="cfg-Ext.data.Connection-disableCaching"></div>/**\r
- * @cfg {Boolean} disableCaching (Optional) True to add a unique cache-buster param to GET requests. (defaults to true)\r
- * @type Boolean\r
- */\r
- disableCaching: true,\r
-\r
- <div id="cfg-Ext.data.Connection-disableCachingParam"></div>/**\r
- * @cfg {String} disableCachingParam (Optional) Change the parameter which is sent went disabling caching\r
- * through a cache buster. Defaults to '_dc'\r
- * @type String\r
- */\r
- disableCachingParam: '_dc',\r
-\r
- <div id="method-Ext.data.Connection-request"></div>/**\r
- * <p>Sends an HTTP request to a remote server.</p>\r
- * <p><b>Important:</b> Ajax server requests are asynchronous, and this call will\r
- * return before the response has been received. Process any returned data\r
- * in a callback function.</p>\r
- * <pre><code>\r
-Ext.Ajax.request({\r
- url: 'ajax_demo/sample.json',\r
- success: function(response, opts) {\r
- var obj = Ext.decode(response.responseText);\r
- console.dir(obj);\r
- },\r
- failure: function(response, opts) {\r
- console.log('server-side failure with status code ' + response.status);\r
- }\r
-});\r
- * </code></pre>\r
- * <p>To execute a callback function in the correct scope, use the <tt>scope</tt> option.</p>\r
- * @param {Object} options An object which may contain the following properties:<ul>\r
- * <li><b>url</b> : String/Function (Optional)<div class="sub-desc">The URL to\r
- * which to send the request, or a function to call which returns a URL string. The scope of the\r
- * function is specified by the <tt>scope</tt> option. Defaults to the configured\r
- * <tt>{@link #url}</tt>.</div></li>\r
- * <li><b>params</b> : Object/String/Function (Optional)<div class="sub-desc">\r
- * An object containing properties which are used as parameters to the\r
- * request, a url encoded string or a function to call to get either. The scope of the function\r
- * is specified by the <tt>scope</tt> option.</div></li>\r
- * <li><b>method</b> : String (Optional)<div class="sub-desc">The HTTP method to use\r
- * for the request. Defaults to the configured method, or if no method was configured,\r
- * "GET" if no parameters are being sent, and "POST" if parameters are being sent. Note that\r
- * the method name is case-sensitive and should be all caps.</div></li>\r
- * <li><b>callback</b> : Function (Optional)<div class="sub-desc">The\r
- * function to be called upon receipt of the HTTP response. The callback is\r
- * called regardless of success or failure and is passed the following\r
- * parameters:<ul>\r
- * <li><b>options</b> : Object<div class="sub-desc">The parameter to the request call.</div></li>\r
- * <li><b>success</b> : Boolean<div class="sub-desc">True if the request succeeded.</div></li>\r
- * <li><b>response</b> : Object<div class="sub-desc">The XMLHttpRequest object containing the response data.\r
- * See <a href="http://www.w3.org/TR/XMLHttpRequest/">http://www.w3.org/TR/XMLHttpRequest/</a> for details about\r
- * accessing elements of the response.</div></li>\r
- * </ul></div></li>\r
- * <li><a id="request-option-success"></a><b>success</b> : Function (Optional)<div class="sub-desc">The function\r
- * to be called upon success of the request. The callback is passed the following\r
- * parameters:<ul>\r
- * <li><b>response</b> : Object<div class="sub-desc">The XMLHttpRequest object containing the response data.</div></li>\r
- * <li><b>options</b> : Object<div class="sub-desc">The parameter to the request call.</div></li>\r
- * </ul></div></li>\r
- * <li><b>failure</b> : Function (Optional)<div class="sub-desc">The function\r
- * to be called upon failure of the request. The callback is passed the\r
- * following parameters:<ul>\r
- * <li><b>response</b> : Object<div class="sub-desc">The XMLHttpRequest object containing the response data.</div></li>\r
- * <li><b>options</b> : Object<div class="sub-desc">The parameter to the request call.</div></li>\r
- * </ul></div></li>\r
- * <li><b>scope</b> : Object (Optional)<div class="sub-desc">The scope in\r
- * which to execute the callbacks: The "this" object for the callback function. If the <tt>url</tt>, or <tt>params</tt> options were\r
- * specified as functions from which to draw values, then this also serves as the scope for those function calls.\r
- * Defaults to the browser window.</div></li>\r
- * <li><b>timeout</b> : Number (Optional)<div class="sub-desc">The timeout in milliseconds to be used for this request. Defaults to 30 seconds.</div></li>\r
- * <li><b>form</b> : Element/HTMLElement/String (Optional)<div class="sub-desc">The <tt><form></tt>\r
- * Element or the id of the <tt><form></tt> to pull parameters from.</div></li>\r
- * <li><a id="request-option-isUpload"></a><b>isUpload</b> : Boolean (Optional)<div class="sub-desc"><b>Only meaningful when used\r
- * with the <tt>form</tt> option</b>.\r
- * <p>True if the form object is a file upload (will be set automatically if the form was\r
- * configured with <b><tt>enctype</tt></b> "multipart/form-data").</p>\r
- * <p>File uploads are not performed using normal "Ajax" techniques, that is they are <b>not</b>\r
- * performed using XMLHttpRequests. Instead the form is submitted in the standard manner with the\r
- * DOM <tt><form></tt> element temporarily modified to have its\r
- * <a href="http://www.w3.org/TR/REC-html40/present/frames.html#adef-target">target</a> set to refer\r
- * to a dynamically generated, hidden <tt><iframe></tt> which is inserted into the document\r
- * but removed after the return data has been gathered.</p>\r
- * <p>The server response is parsed by the browser to create the document for the IFRAME. If the\r
- * server is using JSON to send the return object, then the\r
- * <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.17">Content-Type</a> header\r
- * must be set to "text/html" in order to tell the browser to insert the text unchanged into the document body.</p>\r
- * <p>The response text is retrieved from the document, and a fake XMLHttpRequest object\r
- * is created containing a <tt>responseText</tt> property in order to conform to the\r
- * requirements of event handlers and callbacks.</p>\r
- * <p>Be aware that file upload packets are sent with the content type <a href="http://www.faqs.org/rfcs/rfc2388.html">multipart/form</a>\r
- * and some server technologies (notably JEE) may require some custom processing in order to\r
- * retrieve parameter names and parameter values from the packet content.</p>\r
- * </div></li>\r
- * <li><b>headers</b> : Object (Optional)<div class="sub-desc">Request\r
- * headers to set for the request.</div></li>\r
- * <li><b>xmlData</b> : Object (Optional)<div class="sub-desc">XML document\r
- * to use for the post. Note: This will be used instead of params for the post\r
- * data. Any params will be appended to the URL.</div></li>\r
- * <li><b>jsonData</b> : Object/String (Optional)<div class="sub-desc">JSON\r
- * data to use as the post. Note: This will be used instead of params for the post\r
- * data. Any params will be appended to the URL.</div></li>\r
- * <li><b>disableCaching</b> : Boolean (Optional)<div class="sub-desc">True\r
- * to add a unique cache-buster param to GET requests.</div></li>\r
- * </ul></p>\r
- * <p>The options object may also contain any other property which might be needed to perform\r
- * postprocessing in a callback because it is passed to callback functions.</p>\r
- * @return {Number} transactionId The id of the server transaction. This may be used\r
- * to cancel the request.\r
- */\r
- request : function(o){\r
- var me = this;\r
- if(me.fireEvent(BEFOREREQUEST, me, o)){\r
- if (o.el) {\r
- if(!Ext.isEmpty(o.indicatorText)){\r
- me.indicatorText = '<div class="loading-indicator">'+o.indicatorText+"</div>";\r
- }\r
- if(me.indicatorText) {\r
- Ext.getDom(o.el).innerHTML = me.indicatorText;\r
- }\r
- o.success = (Ext.isFunction(o.success) ? o.success : function(){}).createInterceptor(function(response) {\r
- Ext.getDom(o.el).innerHTML = response.responseText;\r
- });\r
- }\r
-\r
- var p = o.params,\r
- url = o.url || me.url,\r
- method,\r
- cb = {success: me.handleResponse,\r
- failure: me.handleFailure,\r
- scope: me,\r
- argument: {options: o},\r
- timeout : o.timeout || me.timeout\r
- },\r
- form,\r
- serForm;\r
-\r
-\r
- if (Ext.isFunction(p)) {\r
- p = p.call(o.scope||WINDOW, o);\r
- }\r
-\r
- p = Ext.urlEncode(me.extraParams, Ext.isObject(p) ? Ext.urlEncode(p) : p);\r
-\r
- if (Ext.isFunction(url)) {\r
- url = url.call(o.scope || WINDOW, o);\r
- }\r
-\r
- if((form = Ext.getDom(o.form))){\r
- url = url || form.action;\r
- if(o.isUpload || /multipart\/form-data/i.test(form.getAttribute("enctype"))) {\r
- return me.doFormUpload.call(me, o, p, url);\r
- }\r
- serForm = Ext.lib.Ajax.serializeForm(form);\r
- p = p ? (p + '&' + serForm) : serForm;\r
- }\r
-\r
- method = o.method || me.method || ((p || o.xmlData || o.jsonData) ? POST : GET);\r
-\r
- if(method === GET && (me.disableCaching && o.disableCaching !== false) || o.disableCaching === true){\r
- var dcp = o.disableCachingParam || me.disableCachingParam;\r
- url = Ext.urlAppend(url, dcp + '=' + (new Date().getTime()));\r
- }\r
-\r
- o.headers = Ext.apply(o.headers || {}, me.defaultHeaders || {});\r
-\r
- if(o.autoAbort === true || me.autoAbort) {\r
- me.abort();\r
- }\r
-\r
- if((method == GET || o.xmlData || o.jsonData) && p){\r
- url = Ext.urlAppend(url, p);\r
- p = '';\r
- }\r
- return (me.transId = Ext.lib.Ajax.request(method, url, cb, p, o));\r
- }else{\r
- return o.callback ? o.callback.apply(o.scope, [o,UNDEFINED,UNDEFINED]) : null;\r
- }\r
- },\r
-\r
- <div id="method-Ext.data.Connection-isLoading"></div>/**\r
- * Determine whether this object has a request outstanding.\r
- * @param {Number} transactionId (Optional) defaults to the last transaction\r
- * @return {Boolean} True if there is an outstanding request.\r
- */\r
- isLoading : function(transId){\r
- return transId ? Ext.lib.Ajax.isCallInProgress(transId) : !! this.transId;\r
- },\r
-\r
- <div id="method-Ext.data.Connection-abort"></div>/**\r
- * Aborts any outstanding request.\r
- * @param {Number} transactionId (Optional) defaults to the last transaction\r
- */\r
- abort : function(transId){\r
- if(transId || this.isLoading()){\r
- Ext.lib.Ajax.abort(transId || this.transId);\r
- }\r
- },\r
-\r
- // private\r
- handleResponse : function(response){\r
- this.transId = false;\r
- var options = response.argument.options;\r
- response.argument = options ? options.argument : null;\r
- this.fireEvent(REQUESTCOMPLETE, this, response, options);\r
- if(options.success){\r
- options.success.call(options.scope, response, options);\r
- }\r
- if(options.callback){\r
- options.callback.call(options.scope, options, true, response);\r
- }\r
- },\r
-\r
- // private\r
- handleFailure : function(response, e){\r
- this.transId = false;\r
- var options = response.argument.options;\r
- response.argument = options ? options.argument : null;\r
- this.fireEvent(REQUESTEXCEPTION, this, response, options, e);\r
- if(options.failure){\r
- options.failure.call(options.scope, response, options);\r
- }\r
- if(options.callback){\r
- options.callback.call(options.scope, options, false, response);\r
- }\r
- },\r
-\r
- // private\r
- doFormUpload : function(o, ps, url){\r
- var id = Ext.id(),\r
- doc = document,\r
- frame = doc.createElement('iframe'),\r
- form = Ext.getDom(o.form),\r
- hiddens = [],\r
- hd,\r
- encoding = 'multipart/form-data',\r
- buf = {\r
- target: form.target,\r
- method: form.method,\r
- encoding: form.encoding,\r
- enctype: form.enctype,\r
- action: form.action\r
- };\r
-\r
- Ext.fly(frame).set({\r
- id: id,\r
- name: id,\r
- cls: 'x-hidden'\r
-\r
- });\r
-\r
- doc.body.appendChild(frame);\r
-\r
- //Reset the Frame to neutral domain\r
- Ext.fly(frame).set({\r
- src : Ext.SSL_SECURE_URL\r
- });\r
-\r
- // This is required so that IE doesn't pop the response up in a new window.\r
- if(Ext.isIE){\r
- document.frames[id].name = id;\r
- }\r
-\r
-\r
- Ext.fly(form).set({\r
- target: id,\r
- method: POST,\r
- enctype: encoding,\r
- encoding: encoding,\r
- action: url || buf.action\r
- });\r
-\r
- // add dynamic params\r
- Ext.iterate(Ext.urlDecode(ps, false), function(k, v){\r
- hd = doc.createElement('input');\r
- Ext.fly(hd).set({\r
- type: 'hidden',\r
- value: v,\r
- name: k\r
- });\r
- form.appendChild(hd);\r
- hiddens.push(hd);\r
- });\r
-\r
- function cb(){\r
- var me = this,\r
- // bogus response object\r
- r = {responseText : '',\r
- responseXML : null,\r
- argument : o.argument},\r
- doc,\r
- firstChild;\r
-\r
- try{\r
- doc = frame.contentWindow.document || frame.contentDocument || WINDOW.frames[id].document;\r
- if(doc){\r
- if(doc.body){\r
- if(/textarea/i.test((firstChild = doc.body.firstChild || {}).tagName)){ // json response wrapped in textarea\r
- r.responseText = firstChild.value;\r
- }else{\r
- r.responseText = doc.body.innerHTML;\r
- }\r
- }\r
- //in IE the document may still have a body even if returns XML.\r
- r.responseXML = doc.XMLDocument || doc;\r
- }\r
- }\r
- catch(e) {}\r
-\r
- Ext.EventManager.removeListener(frame, LOAD, cb, me);\r
-\r
- me.fireEvent(REQUESTCOMPLETE, me, r, o);\r
-\r
- function runCallback(fn, scope, args){\r
- if(Ext.isFunction(fn)){\r
- fn.apply(scope, args);\r
- }\r
- }\r
-\r
- runCallback(o.success, o.scope, [r, o]);\r
- runCallback(o.callback, o.scope, [o, true, r]);\r
-\r
- if(!me.debugUploads){\r
- setTimeout(function(){Ext.removeNode(frame);}, 100);\r
- }\r
- }\r
-\r
- Ext.EventManager.on(frame, LOAD, cb, this);\r
- form.submit();\r
-\r
- Ext.fly(form).set(buf);\r
- Ext.each(hiddens, function(h) {\r
- Ext.removeNode(h);\r
- });\r
- }\r
- });\r
-})();\r
-\r
-<div id="cls-Ext.Ajax"></div>/**\r
- * @class Ext.Ajax\r
- * @extends Ext.data.Connection\r
- * <p>The global Ajax request class that provides a simple way to make Ajax requests\r
- * with maximum flexibility.</p>\r
- * <p>Since Ext.Ajax is a singleton, you can set common properties/events for it once\r
- * and override them at the request function level only if necessary.</p>\r
- * <p>Common <b>Properties</b> you may want to set are:<div class="mdetail-params"><ul>\r
- * <li><b><tt>{@link #method}</tt></b><p class="sub-desc"></p></li>\r
- * <li><b><tt>{@link #extraParams}</tt></b><p class="sub-desc"></p></li>\r
- * <li><b><tt>{@link #url}</tt></b><p class="sub-desc"></p></li>\r
- * </ul></div>\r
- * <pre><code>\r
-// Default headers to pass in every request\r
-Ext.Ajax.defaultHeaders = {\r
- 'Powered-By': 'Ext'\r
-};\r
- * </code></pre>\r
- * </p>\r
- * <p>Common <b>Events</b> you may want to set are:<div class="mdetail-params"><ul>\r
- * <li><b><tt>{@link Ext.data.Connection#beforerequest beforerequest}</tt></b><p class="sub-desc"></p></li>\r
- * <li><b><tt>{@link Ext.data.Connection#requestcomplete requestcomplete}</tt></b><p class="sub-desc"></p></li>\r
- * <li><b><tt>{@link Ext.data.Connection#requestexception requestexception}</tt></b><p class="sub-desc"></p></li>\r
- * </ul></div>\r
- * <pre><code>\r
-// Example: show a spinner during all Ajax requests\r
-Ext.Ajax.on('beforerequest', this.showSpinner, this);\r
-Ext.Ajax.on('requestcomplete', this.hideSpinner, this);\r
-Ext.Ajax.on('requestexception', this.hideSpinner, this);\r
- * </code></pre>\r
- * </p>\r
- * <p>An example request:</p>\r
- * <pre><code>\r
-// Basic request\r
-Ext.Ajax.{@link Ext.data.Connection#request request}({\r
- url: 'foo.php',\r
- success: someFn,\r
- failure: otherFn,\r
- headers: {\r
- 'my-header': 'foo'\r
- },\r
- params: { foo: 'bar' }\r
-});\r
-\r
-// Simple ajax form submission\r
-Ext.Ajax.{@link Ext.data.Connection#request request}({\r
- form: 'some-form',\r
- params: 'foo=bar'\r
-});\r
- * </code></pre>\r
- * </p>\r
- * @singleton\r
- */\r
-Ext.Ajax = new Ext.data.Connection({\r
- <div id="cfg-Ext.Ajax-url"></div>/**\r
- * @cfg {String} url @hide\r
- */\r
- <div id="cfg-Ext.Ajax-extraParams"></div>/**\r
- * @cfg {Object} extraParams @hide\r
- */\r
- <div id="cfg-Ext.Ajax-defaultHeaders"></div>/**\r
- * @cfg {Object} defaultHeaders @hide\r
- */\r
- <div id="cfg-Ext.Ajax-method"></div>/**\r
- * @cfg {String} method (Optional) @hide\r
- */\r
- <div id="cfg-Ext.Ajax-timeout"></div>/**\r
- * @cfg {Number} timeout (Optional) @hide\r
- */\r
- <div id="cfg-Ext.Ajax-autoAbort"></div>/**\r
- * @cfg {Boolean} autoAbort (Optional) @hide\r
- */\r
-\r
- <div id="cfg-Ext.Ajax-disableCaching"></div>/**\r
- * @cfg {Boolean} disableCaching (Optional) @hide\r
- */\r
-\r
- <div id="prop-Ext.Ajax-disableCaching"></div>/**\r
- * @property disableCaching\r
- * True to add a unique cache-buster param to GET requests. (defaults to true)\r
- * @type Boolean\r
- */\r
- <div id="prop-Ext.Ajax-url"></div>/**\r
- * @property url\r
- * The default URL to be used for requests to the server. (defaults to undefined)\r
- * If the server receives all requests through one URL, setting this once is easier than\r
- * entering it on every request.\r
- * @type String\r
- */\r
- <div id="prop-Ext.Ajax-extraParams"></div>/**\r
- * @property extraParams\r
- * An object containing properties which are used as extra parameters to each request made\r
- * by this object (defaults to undefined). Session information and other data that you need\r
- * to pass with each request are commonly put here.\r
- * @type Object\r
- */\r
- <div id="prop-Ext.Ajax-defaultHeaders"></div>/**\r
- * @property defaultHeaders\r
- * An object containing request headers which are added to each request made by this object\r
- * (defaults to undefined).\r
- * @type Object\r
- */\r
- <div id="prop-Ext.Ajax-method"></div>/**\r
- * @property method\r
- * The default HTTP method to be used for requests. Note that this is case-sensitive and\r
- * should be all caps (defaults to undefined; if not set but params are present will use\r
- * <tt>"POST"</tt>, otherwise will use <tt>"GET"</tt>.)\r
- * @type String\r
- */\r
- <div id="prop-Ext.Ajax-timeout"></div>/**\r
- * @property timeout\r
- * The timeout in milliseconds to be used for requests. (defaults to 30000)\r
- * @type Number\r
- */\r
-\r
- <div id="prop-Ext.Ajax-autoAbort"></div>/**\r
- * @property autoAbort\r
- * Whether a new request should abort any pending requests. (defaults to false)\r
- * @type Boolean\r
- */\r
- autoAbort : false,\r
-\r
- <div id="method-Ext.Ajax-serializeForm"></div>/**\r
- * Serialize the passed form into a url encoded string\r
- * @param {String/HTMLElement} form\r
- * @return {String}\r
- */\r
- serializeForm : function(form){\r
- return Ext.lib.Ajax.serializeForm(form);\r
- }\r
-});\r
-</pre> \r
-</body>\r
+<html>
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <title>The source code</title>
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
+</head>
+<body onload="prettyPrint();">
+ <pre class="prettyprint lang-js">/*!
+ * Ext JS Library 3.2.1
+ * Copyright(c) 2006-2010 Ext JS, Inc.
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+(function(){
+ var BEFOREREQUEST = "beforerequest",
+ REQUESTCOMPLETE = "requestcomplete",
+ REQUESTEXCEPTION = "requestexception",
+ UNDEFINED = undefined,
+ LOAD = 'load',
+ POST = 'POST',
+ GET = 'GET',
+ WINDOW = window;
+
+ <div id="cls-Ext.data.Connection"></div>/**
+ * @class Ext.data.Connection
+ * @extends Ext.util.Observable
+ * <p>The class encapsulates a connection to the page's originating domain, allowing requests to be made
+ * either to a configured URL, or to a URL specified at request time.</p>
+ * <p>Requests made by this class are asynchronous, and will return immediately. No data from
+ * the server will be available to the statement immediately following the {@link #request} call.
+ * To process returned data, use a
+ * <a href="#request-option-success" ext:member="request-option-success" ext:cls="Ext.data.Connection">success callback</a>
+ * in the request options object,
+ * or an {@link #requestcomplete event listener}.</p>
+ * <p><h3>File Uploads</h3><a href="#request-option-isUpload" ext:member="request-option-isUpload" ext:cls="Ext.data.Connection">File uploads</a> are not performed using normal "Ajax" techniques, that
+ * is they are <b>not</b> performed using XMLHttpRequests. Instead the form is submitted in the standard
+ * manner with the DOM <tt><form></tt> element temporarily modified to have its
+ * <a href="http://www.w3.org/TR/REC-html40/present/frames.html#adef-target">target</a> set to refer
+ * to a dynamically generated, hidden <tt><iframe></tt> which is inserted into the document
+ * but removed after the return data has been gathered.</p>
+ * <p>The server response is parsed by the browser to create the document for the IFRAME. If the
+ * server is using JSON to send the return object, then the
+ * <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.17">Content-Type</a> header
+ * must be set to "text/html" in order to tell the browser to insert the text unchanged into the document body.</p>
+ * <p>Characters which are significant to an HTML parser must be sent as HTML entities, so encode
+ * "<" as "&lt;", "&" as "&amp;" etc.</p>
+ * <p>The response text is retrieved from the document, and a fake XMLHttpRequest object
+ * is created containing a <tt>responseText</tt> property in order to conform to the
+ * requirements of event handlers and callbacks.</p>
+ * <p>Be aware that file upload packets are sent with the content type <a href="http://www.faqs.org/rfcs/rfc2388.html">multipart/form</a>
+ * and some server technologies (notably JEE) may require some custom processing in order to
+ * retrieve parameter names and parameter values from the packet content.</p>
+ * @constructor
+ * @param {Object} config a configuration object.
+ */
+ Ext.data.Connection = function(config){
+ Ext.apply(this, config);
+ this.addEvents(
+ <div id="event-Ext.data.Connection-beforerequest"></div>/**
+ * @event beforerequest
+ * Fires before a network request is made to retrieve a data object.
+ * @param {Connection} conn This Connection object.
+ * @param {Object} options The options config object passed to the {@link #request} method.
+ */
+ BEFOREREQUEST,
+ <div id="event-Ext.data.Connection-requestcomplete"></div>/**
+ * @event requestcomplete
+ * Fires if the request was successfully completed.
+ * @param {Connection} conn This Connection object.
+ * @param {Object} response The XHR object containing the response data.
+ * See <a href="http://www.w3.org/TR/XMLHttpRequest/">The XMLHttpRequest Object</a>
+ * for details.
+ * @param {Object} options The options config object passed to the {@link #request} method.
+ */
+ REQUESTCOMPLETE,
+ <div id="event-Ext.data.Connection-requestexception"></div>/**
+ * @event requestexception
+ * Fires if an error HTTP status was returned from the server.
+ * See <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html">HTTP Status Code Definitions</a>
+ * for details of HTTP status codes.
+ * @param {Connection} conn This Connection object.
+ * @param {Object} response The XHR object containing the response data.
+ * See <a href="http://www.w3.org/TR/XMLHttpRequest/">The XMLHttpRequest Object</a>
+ * for details.
+ * @param {Object} options The options config object passed to the {@link #request} method.
+ */
+ REQUESTEXCEPTION
+ );
+ Ext.data.Connection.superclass.constructor.call(this);
+ };
+
+ Ext.extend(Ext.data.Connection, Ext.util.Observable, {
+ <div id="cfg-Ext.data.Connection-url"></div>/**
+ * @cfg {String} url (Optional) <p>The default URL to be used for requests to the server. Defaults to undefined.</p>
+ * <p>The <code>url</code> config may be a function which <i>returns</i> the URL to use for the Ajax request. The scope
+ * (<code><b>this</b></code> reference) of the function is the <code>scope</code> option passed to the {@link #request} method.</p>
+ */
+ <div id="cfg-Ext.data.Connection-extraParams"></div>/**
+ * @cfg {Object} extraParams (Optional) An object containing properties which are used as
+ * extra parameters to each request made by this object. (defaults to undefined)
+ */
+ <div id="cfg-Ext.data.Connection-defaultHeaders"></div>/**
+ * @cfg {Object} defaultHeaders (Optional) An object containing request headers which are added
+ * to each request made by this object. (defaults to undefined)
+ */
+ <div id="cfg-Ext.data.Connection-method"></div>/**
+ * @cfg {String} method (Optional) The default HTTP method to be used for requests.
+ * (defaults to undefined; if not set, but {@link #request} params are present, POST will be used;
+ * otherwise, GET will be used.)
+ */
+ <div id="cfg-Ext.data.Connection-timeout"></div>/**
+ * @cfg {Number} timeout (Optional) The timeout in milliseconds to be used for requests. (defaults to 30000)
+ */
+ timeout : 30000,
+ <div id="cfg-Ext.data.Connection-autoAbort"></div>/**
+ * @cfg {Boolean} autoAbort (Optional) Whether this request should abort any pending requests. (defaults to false)
+ * @type Boolean
+ */
+ autoAbort:false,
+
+ <div id="cfg-Ext.data.Connection-disableCaching"></div>/**
+ * @cfg {Boolean} disableCaching (Optional) True to add a unique cache-buster param to GET requests. (defaults to true)
+ * @type Boolean
+ */
+ disableCaching: true,
+
+ <div id="cfg-Ext.data.Connection-disableCachingParam"></div>/**
+ * @cfg {String} disableCachingParam (Optional) Change the parameter which is sent went disabling caching
+ * through a cache buster. Defaults to '_dc'
+ * @type String
+ */
+ disableCachingParam: '_dc',
+
+ <div id="method-Ext.data.Connection-request"></div>/**
+ * <p>Sends an HTTP request to a remote server.</p>
+ * <p><b>Important:</b> Ajax server requests are asynchronous, and this call will
+ * return before the response has been received. Process any returned data
+ * in a callback function.</p>
+ * <pre><code>
+Ext.Ajax.request({
+ url: 'ajax_demo/sample.json',
+ success: function(response, opts) {
+ var obj = Ext.decode(response.responseText);
+ console.dir(obj);
+ },
+ failure: function(response, opts) {
+ console.log('server-side failure with status code ' + response.status);
+ }
+});
+ * </code></pre>
+ * <p>To execute a callback function in the correct scope, use the <tt>scope</tt> option.</p>
+ * @param {Object} options An object which may contain the following properties:<ul>
+ * <li><b>url</b> : String/Function (Optional)<div class="sub-desc">The URL to
+ * which to send the request, or a function to call which returns a URL string. The scope of the
+ * function is specified by the <tt>scope</tt> option. Defaults to the configured
+ * <tt>{@link #url}</tt>.</div></li>
+ * <li><b>params</b> : Object/String/Function (Optional)<div class="sub-desc">
+ * An object containing properties which are used as parameters to the
+ * request, a url encoded string or a function to call to get either. The scope of the function
+ * is specified by the <tt>scope</tt> option.</div></li>
+ * <li><b>method</b> : String (Optional)<div class="sub-desc">The HTTP method to use
+ * for the request. Defaults to the configured method, or if no method was configured,
+ * "GET" if no parameters are being sent, and "POST" if parameters are being sent. Note that
+ * the method name is case-sensitive and should be all caps.</div></li>
+ * <li><b>callback</b> : Function (Optional)<div class="sub-desc">The
+ * function to be called upon receipt of the HTTP response. The callback is
+ * called regardless of success or failure and is passed the following
+ * parameters:<ul>
+ * <li><b>options</b> : Object<div class="sub-desc">The parameter to the request call.</div></li>
+ * <li><b>success</b> : Boolean<div class="sub-desc">True if the request succeeded.</div></li>
+ * <li><b>response</b> : Object<div class="sub-desc">The XMLHttpRequest object containing the response data.
+ * See <a href="http://www.w3.org/TR/XMLHttpRequest/">http://www.w3.org/TR/XMLHttpRequest/</a> for details about
+ * accessing elements of the response.</div></li>
+ * </ul></div></li>
+ * <li><a id="request-option-success"></a><b>success</b> : Function (Optional)<div class="sub-desc">The function
+ * to be called upon success of the request. The callback is passed the following
+ * parameters:<ul>
+ * <li><b>response</b> : Object<div class="sub-desc">The XMLHttpRequest object containing the response data.</div></li>
+ * <li><b>options</b> : Object<div class="sub-desc">The parameter to the request call.</div></li>
+ * </ul></div></li>
+ * <li><b>failure</b> : Function (Optional)<div class="sub-desc">The function
+ * to be called upon failure of the request. The callback is passed the
+ * following parameters:<ul>
+ * <li><b>response</b> : Object<div class="sub-desc">The XMLHttpRequest object containing the response data.</div></li>
+ * <li><b>options</b> : Object<div class="sub-desc">The parameter to the request call.</div></li>
+ * </ul></div></li>
+ * <li><b>scope</b> : Object (Optional)<div class="sub-desc">The scope in
+ * which to execute the callbacks: The "this" object for the callback function. If the <tt>url</tt>, or <tt>params</tt> options were
+ * specified as functions from which to draw values, then this also serves as the scope for those function calls.
+ * Defaults to the browser window.</div></li>
+ * <li><b>timeout</b> : Number (Optional)<div class="sub-desc">The timeout in milliseconds to be used for this request. Defaults to 30 seconds.</div></li>
+ * <li><b>form</b> : Element/HTMLElement/String (Optional)<div class="sub-desc">The <tt><form></tt>
+ * Element or the id of the <tt><form></tt> to pull parameters from.</div></li>
+ * <li><a id="request-option-isUpload"></a><b>isUpload</b> : Boolean (Optional)<div class="sub-desc"><b>Only meaningful when used
+ * with the <tt>form</tt> option</b>.
+ * <p>True if the form object is a file upload (will be set automatically if the form was
+ * configured with <b><tt>enctype</tt></b> "multipart/form-data").</p>
+ * <p>File uploads are not performed using normal "Ajax" techniques, that is they are <b>not</b>
+ * performed using XMLHttpRequests. Instead the form is submitted in the standard manner with the
+ * DOM <tt><form></tt> element temporarily modified to have its
+ * <a href="http://www.w3.org/TR/REC-html40/present/frames.html#adef-target">target</a> set to refer
+ * to a dynamically generated, hidden <tt><iframe></tt> which is inserted into the document
+ * but removed after the return data has been gathered.</p>
+ * <p>The server response is parsed by the browser to create the document for the IFRAME. If the
+ * server is using JSON to send the return object, then the
+ * <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.17">Content-Type</a> header
+ * must be set to "text/html" in order to tell the browser to insert the text unchanged into the document body.</p>
+ * <p>The response text is retrieved from the document, and a fake XMLHttpRequest object
+ * is created containing a <tt>responseText</tt> property in order to conform to the
+ * requirements of event handlers and callbacks.</p>
+ * <p>Be aware that file upload packets are sent with the content type <a href="http://www.faqs.org/rfcs/rfc2388.html">multipart/form</a>
+ * and some server technologies (notably JEE) may require some custom processing in order to
+ * retrieve parameter names and parameter values from the packet content.</p>
+ * </div></li>
+ * <li><b>headers</b> : Object (Optional)<div class="sub-desc">Request
+ * headers to set for the request.</div></li>
+ * <li><b>xmlData</b> : Object (Optional)<div class="sub-desc">XML document
+ * to use for the post. Note: This will be used instead of params for the post
+ * data. Any params will be appended to the URL.</div></li>
+ * <li><b>jsonData</b> : Object/String (Optional)<div class="sub-desc">JSON
+ * data to use as the post. Note: This will be used instead of params for the post
+ * data. Any params will be appended to the URL.</div></li>
+ * <li><b>disableCaching</b> : Boolean (Optional)<div class="sub-desc">True
+ * to add a unique cache-buster param to GET requests.</div></li>
+ * </ul></p>
+ * <p>The options object may also contain any other property which might be needed to perform
+ * postprocessing in a callback because it is passed to callback functions.</p>
+ * @return {Number} transactionId The id of the server transaction. This may be used
+ * to cancel the request.
+ */
+ request : function(o){
+ var me = this;
+ if(me.fireEvent(BEFOREREQUEST, me, o)){
+ if (o.el) {
+ if(!Ext.isEmpty(o.indicatorText)){
+ me.indicatorText = '<div class="loading-indicator">'+o.indicatorText+"</div>";
+ }
+ if(me.indicatorText) {
+ Ext.getDom(o.el).innerHTML = me.indicatorText;
+ }
+ o.success = (Ext.isFunction(o.success) ? o.success : function(){}).createInterceptor(function(response) {
+ Ext.getDom(o.el).innerHTML = response.responseText;
+ });
+ }
+
+ var p = o.params,
+ url = o.url || me.url,
+ method,
+ cb = {success: me.handleResponse,
+ failure: me.handleFailure,
+ scope: me,
+ argument: {options: o},
+ timeout : o.timeout || me.timeout
+ },
+ form,
+ serForm;
+
+
+ if (Ext.isFunction(p)) {
+ p = p.call(o.scope||WINDOW, o);
+ }
+
+ p = Ext.urlEncode(me.extraParams, Ext.isObject(p) ? Ext.urlEncode(p) : p);
+
+ if (Ext.isFunction(url)) {
+ url = url.call(o.scope || WINDOW, o);
+ }
+
+ if((form = Ext.getDom(o.form))){
+ url = url || form.action;
+ if(o.isUpload || /multipart\/form-data/i.test(form.getAttribute("enctype"))) {
+ return me.doFormUpload.call(me, o, p, url);
+ }
+ serForm = Ext.lib.Ajax.serializeForm(form);
+ p = p ? (p + '&' + serForm) : serForm;
+ }
+
+ method = o.method || me.method || ((p || o.xmlData || o.jsonData) ? POST : GET);
+
+ if(method === GET && (me.disableCaching && o.disableCaching !== false) || o.disableCaching === true){
+ var dcp = o.disableCachingParam || me.disableCachingParam;
+ url = Ext.urlAppend(url, dcp + '=' + (new Date().getTime()));
+ }
+
+ o.headers = Ext.apply(o.headers || {}, me.defaultHeaders || {});
+
+ if(o.autoAbort === true || me.autoAbort) {
+ me.abort();
+ }
+
+ if((method == GET || o.xmlData || o.jsonData) && p){
+ url = Ext.urlAppend(url, p);
+ p = '';
+ }
+ return (me.transId = Ext.lib.Ajax.request(method, url, cb, p, o));
+ }else{
+ return o.callback ? o.callback.apply(o.scope, [o,UNDEFINED,UNDEFINED]) : null;
+ }
+ },
+
+ <div id="method-Ext.data.Connection-isLoading"></div>/**
+ * Determine whether this object has a request outstanding.
+ * @param {Number} transactionId (Optional) defaults to the last transaction
+ * @return {Boolean} True if there is an outstanding request.
+ */
+ isLoading : function(transId){
+ return transId ? Ext.lib.Ajax.isCallInProgress(transId) : !! this.transId;
+ },
+
+ <div id="method-Ext.data.Connection-abort"></div>/**
+ * Aborts any outstanding request.
+ * @param {Number} transactionId (Optional) defaults to the last transaction
+ */
+ abort : function(transId){
+ if(transId || this.isLoading()){
+ Ext.lib.Ajax.abort(transId || this.transId);
+ }
+ },
+
+ // private
+ handleResponse : function(response){
+ this.transId = false;
+ var options = response.argument.options;
+ response.argument = options ? options.argument : null;
+ this.fireEvent(REQUESTCOMPLETE, this, response, options);
+ if(options.success){
+ options.success.call(options.scope, response, options);
+ }
+ if(options.callback){
+ options.callback.call(options.scope, options, true, response);
+ }
+ },
+
+ // private
+ handleFailure : function(response, e){
+ this.transId = false;
+ var options = response.argument.options;
+ response.argument = options ? options.argument : null;
+ this.fireEvent(REQUESTEXCEPTION, this, response, options, e);
+ if(options.failure){
+ options.failure.call(options.scope, response, options);
+ }
+ if(options.callback){
+ options.callback.call(options.scope, options, false, response);
+ }
+ },
+
+ // private
+ doFormUpload : function(o, ps, url){
+ var id = Ext.id(),
+ doc = document,
+ frame = doc.createElement('iframe'),
+ form = Ext.getDom(o.form),
+ hiddens = [],
+ hd,
+ encoding = 'multipart/form-data',
+ buf = {
+ target: form.target,
+ method: form.method,
+ encoding: form.encoding,
+ enctype: form.enctype,
+ action: form.action
+ };
+
+ /*
+ * Originally this behaviour was modified for Opera 10 to apply the secure URL after
+ * the frame had been added to the document. It seems this has since been corrected in
+ * Opera so the behaviour has been reverted, the URL will be set before being added.
+ */
+ Ext.fly(frame).set({
+ id: id,
+ name: id,
+ cls: 'x-hidden',
+ src: Ext.SSL_SECURE_URL
+ });
+
+ doc.body.appendChild(frame);
+
+ // This is required so that IE doesn't pop the response up in a new window.
+ if(Ext.isIE){
+ document.frames[id].name = id;
+ }
+
+
+ Ext.fly(form).set({
+ target: id,
+ method: POST,
+ enctype: encoding,
+ encoding: encoding,
+ action: url || buf.action
+ });
+
+ // add dynamic params
+ Ext.iterate(Ext.urlDecode(ps, false), function(k, v){
+ hd = doc.createElement('input');
+ Ext.fly(hd).set({
+ type: 'hidden',
+ value: v,
+ name: k
+ });
+ form.appendChild(hd);
+ hiddens.push(hd);
+ });
+
+ function cb(){
+ var me = this,
+ // bogus response object
+ r = {responseText : '',
+ responseXML : null,
+ argument : o.argument},
+ doc,
+ firstChild;
+
+ try{
+ doc = frame.contentWindow.document || frame.contentDocument || WINDOW.frames[id].document;
+ if(doc){
+ if(doc.body){
+ if(/textarea/i.test((firstChild = doc.body.firstChild || {}).tagName)){ // json response wrapped in textarea
+ r.responseText = firstChild.value;
+ }else{
+ r.responseText = doc.body.innerHTML;
+ }
+ }
+ //in IE the document may still have a body even if returns XML.
+ r.responseXML = doc.XMLDocument || doc;
+ }
+ }
+ catch(e) {}
+
+ Ext.EventManager.removeListener(frame, LOAD, cb, me);
+
+ me.fireEvent(REQUESTCOMPLETE, me, r, o);
+
+ function runCallback(fn, scope, args){
+ if(Ext.isFunction(fn)){
+ fn.apply(scope, args);
+ }
+ }
+
+ runCallback(o.success, o.scope, [r, o]);
+ runCallback(o.callback, o.scope, [o, true, r]);
+
+ if(!me.debugUploads){
+ setTimeout(function(){Ext.removeNode(frame);}, 100);
+ }
+ }
+
+ Ext.EventManager.on(frame, LOAD, cb, this);
+ form.submit();
+
+ Ext.fly(form).set(buf);
+ Ext.each(hiddens, function(h) {
+ Ext.removeNode(h);
+ });
+ }
+ });
+})();
+
+<div id="cls-Ext.Ajax"></div>/**
+ * @class Ext.Ajax
+ * @extends Ext.data.Connection
+ * <p>The global Ajax request class that provides a simple way to make Ajax requests
+ * with maximum flexibility.</p>
+ * <p>Since Ext.Ajax is a singleton, you can set common properties/events for it once
+ * and override them at the request function level only if necessary.</p>
+ * <p>Common <b>Properties</b> you may want to set are:<div class="mdetail-params"><ul>
+ * <li><b><tt>{@link #method}</tt></b><p class="sub-desc"></p></li>
+ * <li><b><tt>{@link #extraParams}</tt></b><p class="sub-desc"></p></li>
+ * <li><b><tt>{@link #url}</tt></b><p class="sub-desc"></p></li>
+ * </ul></div>
+ * <pre><code>
+// Default headers to pass in every request
+Ext.Ajax.defaultHeaders = {
+ 'Powered-By': 'Ext'
+};
+ * </code></pre>
+ * </p>
+ * <p>Common <b>Events</b> you may want to set are:<div class="mdetail-params"><ul>
+ * <li><b><tt>{@link Ext.data.Connection#beforerequest beforerequest}</tt></b><p class="sub-desc"></p></li>
+ * <li><b><tt>{@link Ext.data.Connection#requestcomplete requestcomplete}</tt></b><p class="sub-desc"></p></li>
+ * <li><b><tt>{@link Ext.data.Connection#requestexception requestexception}</tt></b><p class="sub-desc"></p></li>
+ * </ul></div>
+ * <pre><code>
+// Example: show a spinner during all Ajax requests
+Ext.Ajax.on('beforerequest', this.showSpinner, this);
+Ext.Ajax.on('requestcomplete', this.hideSpinner, this);
+Ext.Ajax.on('requestexception', this.hideSpinner, this);
+ * </code></pre>
+ * </p>
+ * <p>An example request:</p>
+ * <pre><code>
+// Basic request
+Ext.Ajax.{@link Ext.data.Connection#request request}({
+ url: 'foo.php',
+ success: someFn,
+ failure: otherFn,
+ headers: {
+ 'my-header': 'foo'
+ },
+ params: { foo: 'bar' }
+});
+
+// Simple ajax form submission
+Ext.Ajax.{@link Ext.data.Connection#request request}({
+ form: 'some-form',
+ params: 'foo=bar'
+});
+ * </code></pre>
+ * </p>
+ * @singleton
+ */
+Ext.Ajax = new Ext.data.Connection({
+ <div id="cfg-Ext.Ajax-url"></div>/**
+ * @cfg {String} url @hide
+ */
+ <div id="cfg-Ext.Ajax-extraParams"></div>/**
+ * @cfg {Object} extraParams @hide
+ */
+ <div id="cfg-Ext.Ajax-defaultHeaders"></div>/**
+ * @cfg {Object} defaultHeaders @hide
+ */
+ <div id="cfg-Ext.Ajax-method"></div>/**
+ * @cfg {String} method (Optional) @hide
+ */
+ <div id="cfg-Ext.Ajax-timeout"></div>/**
+ * @cfg {Number} timeout (Optional) @hide
+ */
+ <div id="cfg-Ext.Ajax-autoAbort"></div>/**
+ * @cfg {Boolean} autoAbort (Optional) @hide
+ */
+
+ <div id="cfg-Ext.Ajax-disableCaching"></div>/**
+ * @cfg {Boolean} disableCaching (Optional) @hide
+ */
+
+ <div id="prop-Ext.Ajax-disableCaching"></div>/**
+ * @property disableCaching
+ * True to add a unique cache-buster param to GET requests. (defaults to true)
+ * @type Boolean
+ */
+ <div id="prop-Ext.Ajax-url"></div>/**
+ * @property url
+ * The default URL to be used for requests to the server. (defaults to undefined)
+ * If the server receives all requests through one URL, setting this once is easier than
+ * entering it on every request.
+ * @type String
+ */
+ <div id="prop-Ext.Ajax-extraParams"></div>/**
+ * @property extraParams
+ * An object containing properties which are used as extra parameters to each request made
+ * by this object (defaults to undefined). Session information and other data that you need
+ * to pass with each request are commonly put here.
+ * @type Object
+ */
+ <div id="prop-Ext.Ajax-defaultHeaders"></div>/**
+ * @property defaultHeaders
+ * An object containing request headers which are added to each request made by this object
+ * (defaults to undefined).
+ * @type Object
+ */
+ <div id="prop-Ext.Ajax-method"></div>/**
+ * @property method
+ * The default HTTP method to be used for requests. Note that this is case-sensitive and
+ * should be all caps (defaults to undefined; if not set but params are present will use
+ * <tt>"POST"</tt>, otherwise will use <tt>"GET"</tt>.)
+ * @type String
+ */
+ <div id="prop-Ext.Ajax-timeout"></div>/**
+ * @property timeout
+ * The timeout in milliseconds to be used for requests. (defaults to 30000)
+ * @type Number
+ */
+
+ <div id="prop-Ext.Ajax-autoAbort"></div>/**
+ * @property autoAbort
+ * Whether a new request should abort any pending requests. (defaults to false)
+ * @type Boolean
+ */
+ autoAbort : false,
+
+ <div id="method-Ext.Ajax-serializeForm"></div>/**
+ * Serialize the passed form into a url encoded string
+ * @param {String/HTMLElement} form
+ * @return {String}
+ */
+ serializeForm : function(form){
+ return Ext.lib.Ajax.serializeForm(form);
+ }
+});
+</pre>
+</body>
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