/** + + + +The source code + + + + +/*! + * Ext JS Library 3.3.1 + * Copyright(c) 2006-2010 Sencha Inc. + * licensing@sencha.com + * http://www.sencha.com/license + */ +/** * @class Ext.Updater * @extends Ext.util.Observable * Provides AJAX-style update capabilities for Element objects. Updater can be used to {@link #update} @@ -44,15 +51,15 @@ * @param {Boolean} forceNew (optional) By default the constructor checks to see if the passed element already * has an Updater and if it does it returns the same instance. This will skip that check (useful for extending this class). */ -Ext.UpdateManager = Ext.Updater = Ext.extend(Ext.util.Observable, +Ext.UpdateManager = Ext.Updater = Ext.extend(Ext.util.Observable, function() { - var BEFOREUPDATE = "beforeupdate", - UPDATE = "update", - FAILURE = "failure"; - - // private - function processSuccess(response){ - var me = this; + var BEFOREUPDATE = "beforeupdate", + UPDATE = "update", + FAILURE = "failure"; + + // private + function processSuccess(response){ + var me = this; me.transaction = null; if (response.argument.form && response.argument.reset) { try { // put in try/catch since some older FF releases had problems with this @@ -67,7 +74,7 @@ function() { updateComplete.call(me, response); } } - + // private function updateComplete(response, type, success){ this.fireEvent(type || UPDATE, this.el, response); @@ -77,385 +84,385 @@ function() { } // private - function processFailure(response){ + function processFailure(response){ updateComplete.call(this, response, FAILURE, !!(this.transaction = null)); } - - return { - constructor: function(el, forceNew){ - var me = this; - el = Ext.get(el); - if(!forceNew && el.updateManager){ - return el.updateManager; - } - /** - * The Element object - * @type Ext.Element - */ - me.el = el; - /** - * Cached url to use for refreshes. Overwritten every time update() is called unless "discardUrl" param is set to true. - * @type String - */ - me.defaultUrl = null; - - me.addEvents( - /** - * @event beforeupdate - * Fired before an update is made, return false from your handler and the update is cancelled. - * @param {Ext.Element} el - * @param {String/Object/Function} url - * @param {String/Object} params - */ - BEFOREUPDATE, - /** - * @event update - * Fired after successful update is made. - * @param {Ext.Element} el - * @param {Object} oResponseObject The response Object - */ - UPDATE, - /** - * @event failure - * Fired on update failure. - * @param {Ext.Element} el - * @param {Object} oResponseObject The response Object - */ - FAILURE - ); - - Ext.apply(me, Ext.Updater.defaults); - /** - * Blank page URL to use with SSL file uploads (defaults to {@link Ext.Updater.defaults#sslBlankUrl}). - * @property sslBlankUrl - * @type String - */ - /** - * Whether to append unique parameter on get request to disable caching (defaults to {@link Ext.Updater.defaults#disableCaching}). - * @property disableCaching - * @type Boolean - */ - /** - * Text for loading indicator (defaults to {@link Ext.Updater.defaults#indicatorText}). - * @property indicatorText - * @type String - */ - /** - * Whether to show indicatorText when loading (defaults to {@link Ext.Updater.defaults#showLoadIndicator}). - * @property showLoadIndicator - * @type String - */ - /** - * Timeout for requests or form posts in seconds (defaults to {@link Ext.Updater.defaults#timeout}). - * @property timeout - * @type Number - */ - /** - * True to process scripts in the output (defaults to {@link Ext.Updater.defaults#loadScripts}). - * @property loadScripts - * @type Boolean - */ - - /** - * Transaction object of the current executing transaction, or null if there is no active transaction. - */ - me.transaction = null; - /** - * Delegate for refresh() prebound to "this", use myUpdater.refreshDelegate.createCallback(arg1, arg2) to bind arguments - * @type Function - */ - me.refreshDelegate = me.refresh.createDelegate(me); - /** - * Delegate for update() prebound to "this", use myUpdater.updateDelegate.createCallback(arg1, arg2) to bind arguments - * @type Function - */ - me.updateDelegate = me.update.createDelegate(me); - /** - * Delegate for formUpdate() prebound to "this", use myUpdater.formUpdateDelegate.createCallback(arg1, arg2) to bind arguments - * @type Function - */ - me.formUpdateDelegate = (me.formUpdate || function(){}).createDelegate(me); - - /** - * The renderer for this Updater (defaults to {@link Ext.Updater.BasicRenderer}). - */ - me.renderer = me.renderer || me.getDefaultRenderer(); - - Ext.Updater.superclass.constructor.call(me); - }, - - /** - * Sets the content renderer for this Updater. See {@link Ext.Updater.BasicRenderer#render} for more details. - * @param {Object} renderer The object implementing the render() method - */ - setRenderer : function(renderer){ - this.renderer = renderer; - }, - - /** - * Returns the current content renderer for this Updater. See {@link Ext.Updater.BasicRenderer#render} for more details. - * @return {Object} - */ - getRenderer : function(){ - return this.renderer; - }, - - /** - * This is an overrideable method which returns a reference to a default - * renderer class if none is specified when creating the Ext.Updater. - * Defaults to {@link Ext.Updater.BasicRenderer} - */ - getDefaultRenderer: function() { - return new Ext.Updater.BasicRenderer(); - }, - - /** - * Sets the default URL used for updates. - * @param {String/Function} defaultUrl The url or a function to call to get the url - */ - setDefaultUrl : function(defaultUrl){ - this.defaultUrl = defaultUrl; - }, - - /** - * Get the Element this Updater is bound to - * @return {Ext.Element} The element - */ - getEl : function(){ - return this.el; - }, - - /** - * Performs an asynchronous request, updating this element with the response. - * If params are specified it uses POST, otherwise it uses GET.
- * Note: Due to the asynchronous nature of remote server requests, the Element - * will not have been fully updated when the function returns. To post-process the returned - * data, use the callback option, or an update event handler. - * @param {Object} options A config object containing any of the following options:
The URL to request or a function which - * returns the URL (defaults to the value of {@link Ext.Ajax#url} if not specified).
The HTTP method to - * use. Defaults to POST if the params argument is present, otherwise GET.
The - * parameters to pass to the server (defaults to none). These may be specified as a url-encoded - * string, or as an object containing properties which represent parameters, - * or as a function, which returns such an object.
If true - * any <script> tags embedded in the response text will be extracted - * and executed (defaults to {@link Ext.Updater.defaults#loadScripts}). If this option is specified, - * the callback will be called after the execution of the scripts.
A function to - * be called when the response from the server arrives. The following - * parameters are passed:
The Element being updated.
True for success, false for failure.
The XMLHttpRequest which processed the update.
The config object passed to the update call.
The scope in which - * to execute the callback (The callback's this reference.) If the - * params argument is a function, this scope is used for that function also.
By default, the URL of this request becomes - * the default URL for this Updater object, and will be subsequently used in {@link #refresh} - * calls. To bypass this behavior, pass discardUrl:true (defaults to false).
The number of seconds to wait for a response before - * timing out (defaults to {@link Ext.Updater.defaults#timeout}).
The text to use as the innerHTML of the - * {@link Ext.Updater.defaults#indicatorText} div (defaults to 'Loading...'). To replace the entire div, not - * just the text, override {@link Ext.Updater.defaults#indicatorText} directly.
Only needed for GET - * requests, this option causes an extra, auto-generated parameter to be appended to the request - * to defeat caching (defaults to {@link Ext.Updater.defaults#disableCaching}).
- * For example: -
- um.update({
- url: "your-url.php",
- params: {param1: "foo", param2: "bar"}, // or a URL encoded string
- callback: yourFunction,
- scope: yourObject, //(optional scope)
- discardUrl: true,
- nocache: true,
- text: "Loading...",
- timeout: 60,
- scripts: false // Save time by avoiding RegExp execution.
- });
- Performs an async form post, updating this element with the response. If the form has the attribute - * enctype="multipart/form-data", it assumes it's a file upload. - * Uses this.sslBlankUrl for SSL file uploads to prevent IE security warning.
- *File uploads are not performed using normal "Ajax" techniques, that is they are not - * performed using XMLHttpRequests. Instead the form is submitted in the standard manner with the - * DOM <form> element temporarily modified to have its - * target set to refer - * to a dynamically generated, hidden <iframe> which is inserted into the document - * but removed after the return data has been gathered.
- *Be aware that file upload packets, sent with the content type multipart/form-data - * and some server technologies (notably JEE) may require some custom processing in order to - * retrieve parameter names and parameter values from the packet content.
- * @param {String/HTMLElement} form The form Id or form element - * @param {String} url (optional) The url to pass the form to. If omitted the action attribute on the form will be used. - * @param {Boolean} reset (optional) Whether to try to reset the form after the update - * @param {Function} callback (optional) Callback when transaction is complete. The following - * parameters are passed:The Element being updated.
True for success, false for failure.
The XMLHttpRequest which processed the update.
update event handler.
+ * @param {Object} options A config object containing any of the following options:The URL to request or a function which + * returns the URL (defaults to the value of {@link Ext.Ajax#url} if not specified).
The HTTP method to
+ * use. Defaults to POST if the params argument is present, otherwise GET.
The + * parameters to pass to the server (defaults to none). These may be specified as a url-encoded + * string, or as an object containing properties which represent parameters, + * or as a function, which returns such an object.
If true
+ * any <script> tags embedded in the response text will be extracted
+ * and executed (defaults to {@link Ext.Updater.defaults#loadScripts}). If this option is specified,
+ * the callback will be called after the execution of the scripts.
A function to + * be called when the response from the server arrives. The following + * parameters are passed:
The Element being updated.
True for success, false for failure.
The XMLHttpRequest which processed the update.
The config object passed to the update call.
The scope in which
+ * to execute the callback (The callback's this reference.) If the
+ * params argument is a function, this scope is used for that function also.
By default, the URL of this request becomes
+ * the default URL for this Updater object, and will be subsequently used in {@link #refresh}
+ * calls. To bypass this behavior, pass discardUrl:true (defaults to false).
The number of seconds to wait for a response before + * timing out (defaults to {@link Ext.Updater.defaults#timeout}).
The text to use as the innerHTML of the + * {@link Ext.Updater.defaults#indicatorText} div (defaults to 'Loading...'). To replace the entire div, not + * just the text, override {@link Ext.Updater.defaults#indicatorText} directly.
Only needed for GET + * requests, this option causes an extra, auto-generated parameter to be appended to the request + * to defeat caching (defaults to {@link Ext.Updater.defaults#disableCaching}).
+ * For example: +
+ um.update({
+ url: "your-url.php",
+ params: {param1: "foo", param2: "bar"}, // or a URL encoded string
+ callback: yourFunction,
+ scope: yourObject, //(optional scope)
+ discardUrl: true,
+ nocache: true,
+ text: "Loading...",
+ timeout: 60,
+ scripts: false // Save time by avoiding RegExp execution.
+ });
+ Performs an asynchronous form post, updating this element with the response. If the form has the attribute + * enctype="multipart/form-data", it assumes it's a file upload. + * Uses this.sslBlankUrl for SSL file uploads to prevent IE security warning.
+ *File uploads are not performed using normal "Ajax" techniques, that is they are not
+ * performed using XMLHttpRequests. Instead the form is submitted in the standard manner with the
+ * DOM <form> element temporarily modified to have its
+ * target set to refer
+ * to a dynamically generated, hidden <iframe> which is inserted into the document
+ * but removed after the return data has been gathered.
Be aware that file upload packets, sent with the content type multipart/form-data + * and some server technologies (notably JEE) may require some custom processing in order to + * retrieve parameter names and parameter values from the packet content.
+ * @param {String/HTMLElement} form The form Id or form element + * @param {String} url (optional) The url to pass the form to. If omitted the action attribute on the form will be used. + * @param {Boolean} reset (optional) Whether to try to reset the form after the update + * @param {Function} callback (optional) Callback when transaction is complete. The following + * parameters are passed:The Element being updated.
True for success, false for failure.
The XMLHttpRequest which processed the update.
This class is a base class implementing a simple render method which updates an element using results from an Ajax request.
+ *The BasicRenderer updates the element's innerHTML with the responseText. To perform a custom render (i.e. XML or JSON processing), + * create an object with a conforming {@link #render} method and pass it to setRenderer on the Updater.
*/ Ext.Updater.BasicRenderer = function(){}; Ext.Updater.BasicRenderer.prototype = { /** - * This is called when the transaction is completed and it's time to update the element - The BasicRenderer - * updates the elements innerHTML with the responseText - To perform a custom render (i.e. XML or JSON processing), - * create an object with a "render(el, response)" method and pass it to setRenderer on the Updater. + * This method is called when an Ajax response is received, and an Element needs updating. * @param {Ext.Element} el The element being rendered - * @param {Object} response The XMLHttpRequest object + * @param {Object} xhr The XMLHttpRequest object * @param {Updater} updateManager The calling update manager * @param {Function} callback A callback that will need to be called if loadScripts is true on the Updater */ - render : function(el, response, updateManager, callback){ + render : function(el, response, updateManager, callback){ el.update(response.responseText, updateManager.loadScripts, callback); } -}; - +}; + \ No newline at end of file