X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/source/data/HttpProxy.js?ds=sidebyside diff --git a/source/data/HttpProxy.js b/source/data/HttpProxy.js deleted file mode 100644 index 06fd9a58..00000000 --- a/source/data/HttpProxy.js +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Ext JS Library 2.2.1 - * Copyright(c) 2006-2009, Ext JS, LLC. - * licensing@extjs.com - * - * http://extjs.com/license - */ - -/** - * @class Ext.data.HttpProxy - * @extends Ext.data.DataProxy - * An implementation of {@link Ext.data.DataProxy} that reads a data object from a {@link Ext.data.Connection Connection} object - * configured to reference a certain URL.
- *

- * Note that this class cannot be used to retrieve data from a domain other than the domain - * from which the running page was served.
- *

- * For cross-domain access to remote data, use a {@link Ext.data.ScriptTagProxy ScriptTagProxy}.
- *

- * Be aware that to enable the browser to parse an XML document, the server must set - * the Content-Type header in the HTTP response to "text/xml". - * @constructor - * @param {Object} conn an {@link Ext.data.Connection} object, or options parameter to {@link Ext.Ajax#request}. - * If an options parameter is passed, the singleton {@link Ext.Ajax} object will be used to make the request. - */ -Ext.data.HttpProxy = function(conn){ - Ext.data.HttpProxy.superclass.constructor.call(this); - /** - * The Connection object (Or options parameter to {@link Ext.Ajax#request}) which this HttpProxy uses to make requests to the server. - * Properties of this object may be changed dynamically to change the way data is requested. - * @property - */ - this.conn = conn; - this.useAjax = !conn || !conn.events; - - /** - * @event loadexception - * Fires if an exception occurs in the Proxy during data loading. This event can be fired for one of two reasons: - *

- * Note that this event is also relayed through {@link Ext.data.Store}, so you can listen for it directly - * on any Store instance. - * @param {Object} this - * @param {Object} options The loading options that were specified (see {@link #load} for details) - * @param {Object} response The XMLHttpRequest object containing the response data - * @param {Error} e The JavaScript Error object caught if the configured Reader could not read the data. - * If the load call returned success: false, this parameter will be null. - */ -}; - -Ext.extend(Ext.data.HttpProxy, Ext.data.DataProxy, { - /** - * Return the {@link Ext.data.Connection} object being used by this Proxy. - * @return {Connection} The Connection object. This object may be used to subscribe to events on - * a finer-grained basis than the DataProxy events. - */ - getConnection : function(){ - return this.useAjax ? Ext.Ajax : this.conn; - }, - - /** - * Load data from the configured {@link Ext.data.Connection}, read the data object into - * a block of Ext.data.Records using the passed {@link Ext.data.DataReader} implementation, and - * process that block using the passed callback. - * @param {Object} params An object containing properties which are to be used as HTTP parameters - * for the request to the remote server. - * @param {Ext.data.DataReader} reader The Reader object which converts the data - * object into a block of Ext.data.Records. - * @param {Function} callback The function into which to pass the block of Ext.data.Records. - * The function must be passed - * @param {Object} scope The scope in which to call the callback - * @param {Object} arg An optional argument which is passed to the callback as its second parameter. - */ - load : function(params, reader, callback, scope, arg){ - if(this.fireEvent("beforeload", this, params) !== false){ - var o = { - params : params || {}, - request: { - callback : callback, - scope : scope, - arg : arg - }, - reader: reader, - callback : this.loadResponse, - scope: this - }; - if(this.useAjax){ - Ext.applyIf(o, this.conn); - if(this.activeRequest){ - Ext.Ajax.abort(this.activeRequest); - } - this.activeRequest = Ext.Ajax.request(o); - }else{ - this.conn.request(o); - } - }else{ - callback.call(scope||this, null, arg, false); - } - }, - - // private - loadResponse : function(o, success, response){ - delete this.activeRequest; - if(!success){ - this.fireEvent("loadexception", this, o, response); - o.request.callback.call(o.request.scope, null, o.request.arg, false); - return; - } - var result; - try { - result = o.reader.read(response); - }catch(e){ - this.fireEvent("loadexception", this, o, response, e); - o.request.callback.call(o.request.scope, null, o.request.arg, false); - return; - } - this.fireEvent("load", this, o, o.request.arg); - o.request.callback.call(o.request.scope, result, o.request.arg, true); - }, - - // private - update : function(dataSet){ - - }, - - // private - updateResponse : function(dataSet){ - - } -}); \ No newline at end of file