+++ /dev/null
-/*\r
- * Ext JS Library 2.2.1\r
- * Copyright(c) 2006-2009, Ext JS, LLC.\r
- * licensing@extjs.com\r
- * \r
- * http://extjs.com/license\r
- */\r
-\r
-/**\r
- * @class Ext.data.HttpProxy\r
- * @extends Ext.data.DataProxy\r
- * An implementation of {@link Ext.data.DataProxy} that reads a data object from a {@link Ext.data.Connection Connection} object\r
- * configured to reference a certain URL.<br>\r
- * <p>\r
- * <b>Note that this class cannot be used to retrieve data from a domain other than the domain\r
- * from which the running page was served.<br>\r
- * <p>\r
- * For cross-domain access to remote data, use a {@link Ext.data.ScriptTagProxy ScriptTagProxy}.</b><br>\r
- * <p>\r
- * Be aware that to enable the browser to parse an XML document, the server must set\r
- * the Content-Type header in the HTTP response to "text/xml".\r
- * @constructor\r
- * @param {Object} conn an {@link Ext.data.Connection} object, or options parameter to {@link Ext.Ajax#request}.\r
- * If an options parameter is passed, the singleton {@link Ext.Ajax} object will be used to make the request.\r
- */\r
-Ext.data.HttpProxy = function(conn){\r
- Ext.data.HttpProxy.superclass.constructor.call(this);\r
- /**\r
- * The Connection object (Or options parameter to {@link Ext.Ajax#request}) which this HttpProxy uses to make requests to the server.\r
- * Properties of this object may be changed dynamically to change the way data is requested.\r
- * @property\r
- */\r
- this.conn = conn;\r
- this.useAjax = !conn || !conn.events;\r
-\r
- /**\r
- * @event loadexception\r
- * Fires if an exception occurs in the Proxy during data loading. This event can be fired for one of two reasons:\r
- * <ul><li><b>The load call returned success: false.</b> This means the server logic returned a failure\r
- * status and there is no data to read. In this case, this event will be raised and the\r
- * fourth parameter (read error) will be null.</li>\r
- * <li><b>The load succeeded but the reader could not read the response.</b> This means the server returned\r
- * data, but the configured Reader threw an error while reading the data. In this case, this event will be \r
- * raised and the caught error will be passed along as the fourth parameter of this event.</li></ul>\r
- * Note that this event is also relayed through {@link Ext.data.Store}, so you can listen for it directly\r
- * on any Store instance.\r
- * @param {Object} this\r
- * @param {Object} options The loading options that were specified (see {@link #load} for details)\r
- * @param {Object} response The XMLHttpRequest object containing the response data\r
- * @param {Error} e The JavaScript Error object caught if the configured Reader could not read the data.\r
- * If the load call returned success: false, this parameter will be null.\r
- */\r
-};\r
-\r
-Ext.extend(Ext.data.HttpProxy, Ext.data.DataProxy, {\r
- /**\r
- * Return the {@link Ext.data.Connection} object being used by this Proxy.\r
- * @return {Connection} The Connection object. This object may be used to subscribe to events on\r
- * a finer-grained basis than the DataProxy events.\r
- */\r
- getConnection : function(){\r
- return this.useAjax ? Ext.Ajax : this.conn;\r
- },\r
-\r
- /**\r
- * Load data from the configured {@link Ext.data.Connection}, read the data object into\r
- * a block of Ext.data.Records using the passed {@link Ext.data.DataReader} implementation, and\r
- * process that block using the passed callback.\r
- * @param {Object} params An object containing properties which are to be used as HTTP parameters\r
- * for the request to the remote server.\r
- * @param {Ext.data.DataReader} reader The Reader object which converts the data\r
- * object into a block of Ext.data.Records.\r
- * @param {Function} callback The function into which to pass the block of Ext.data.Records.\r
- * The function must be passed <ul>\r
- * <li>The Record block object</li>\r
- * <li>The "arg" argument from the load function</li>\r
- * <li>A boolean success indicator</li>\r
- * </ul>\r
- * @param {Object} scope The scope in which to call the callback\r
- * @param {Object} arg An optional argument which is passed to the callback as its second parameter.\r
- */\r
- load : function(params, reader, callback, scope, arg){\r
- if(this.fireEvent("beforeload", this, params) !== false){\r
- var o = {\r
- params : params || {},\r
- request: {\r
- callback : callback,\r
- scope : scope,\r
- arg : arg\r
- },\r
- reader: reader,\r
- callback : this.loadResponse,\r
- scope: this\r
- };\r
- if(this.useAjax){\r
- Ext.applyIf(o, this.conn);\r
- if(this.activeRequest){\r
- Ext.Ajax.abort(this.activeRequest);\r
- }\r
- this.activeRequest = Ext.Ajax.request(o);\r
- }else{\r
- this.conn.request(o);\r
- }\r
- }else{\r
- callback.call(scope||this, null, arg, false);\r
- }\r
- },\r
-\r
- // private\r
- loadResponse : function(o, success, response){\r
- delete this.activeRequest;\r
- if(!success){\r
- this.fireEvent("loadexception", this, o, response);\r
- o.request.callback.call(o.request.scope, null, o.request.arg, false);\r
- return;\r
- }\r
- var result;\r
- try {\r
- result = o.reader.read(response);\r
- }catch(e){\r
- this.fireEvent("loadexception", this, o, response, e);\r
- o.request.callback.call(o.request.scope, null, o.request.arg, false);\r
- return;\r
- }\r
- this.fireEvent("load", this, o, o.request.arg);\r
- o.request.callback.call(o.request.scope, result, o.request.arg, true);\r
- },\r
- \r
- // private\r
- update : function(dataSet){\r
- \r
- },\r
- \r
- // private\r
- updateResponse : function(dataSet){\r
- \r
- }\r
-});
\ No newline at end of file
git.ithinksw.org / extjs.git / blobdiff