/*!
- * Ext JS Library 3.1.1
- * Copyright(c) 2006-2010 Ext JS, LLC
+ * Ext JS Library 3.2.0
+ * Copyright(c) 2006-2010 Ext JS, Inc.
* licensing@extjs.com
* http://www.extjs.com/license
*/
-/**\r
- * @class Ext.direct.PollingProvider\r
- * @extends Ext.direct.JsonProvider\r
- *\r
- * <p>Provides for repetitive polling of the server at distinct {@link #interval intervals}.\r
- * The initial request for data originates from the client, and then is responded to by the\r
- * server.</p>\r
- * \r
- * <p>All configurations for the PollingProvider should be generated by the server-side\r
- * API portion of the Ext.Direct stack.</p>\r
- *\r
- * <p>An instance of PollingProvider may be created directly via the new keyword or by simply\r
- * specifying <tt>type = 'polling'</tt>. For example:</p>\r
- * <pre><code>\r
-var pollA = new Ext.direct.PollingProvider({\r
- type:'polling',\r
- url: 'php/pollA.php',\r
-});\r
-Ext.Direct.addProvider(pollA);\r
-pollA.disconnect();\r
-\r
-Ext.Direct.addProvider(\r
- {\r
- type:'polling',\r
- url: 'php/pollB.php',\r
- id: 'pollB-provider'\r
- }\r
-);\r
-var pollB = Ext.Direct.getProvider('pollB-provider');\r
- * </code></pre>\r
- */\r
-Ext.direct.PollingProvider = Ext.extend(Ext.direct.JsonProvider, {\r
- /**\r
- * @cfg {Number} priority\r
- * Priority of the request (defaults to <tt>3</tt>). See {@link Ext.direct.Provider#priority}.\r
- */\r
- // override default priority\r
- priority: 3,\r
- \r
- /**\r
- * @cfg {Number} interval\r
- * How often to poll the server-side in milliseconds (defaults to <tt>3000</tt> - every\r
- * 3 seconds).\r
- */\r
- interval: 3000,\r
-\r
- /**\r
- * @cfg {Object} baseParams An object containing properties which are to be sent as parameters\r
- * on every polling request\r
- */\r
- \r
- /**\r
- * @cfg {String/Function} url\r
- * The url which the PollingProvider should contact with each request. This can also be\r
- * an imported Ext.Direct method which will accept the baseParams as its only argument.\r
- */\r
-\r
- // private\r
- constructor : function(config){\r
- Ext.direct.PollingProvider.superclass.constructor.call(this, config);\r
- this.addEvents(\r
- /**\r
- * @event beforepoll\r
- * Fired immediately before a poll takes place, an event handler can return false\r
- * in order to cancel the poll.\r
- * @param {Ext.direct.PollingProvider}\r
- */\r
- 'beforepoll', \r
- /**\r
- * @event poll\r
- * This event has not yet been implemented.\r
- * @param {Ext.direct.PollingProvider}\r
- */\r
- 'poll'\r
- );\r
- },\r
-\r
- // inherited\r
- isConnected: function(){\r
- return !!this.pollTask;\r
- },\r
-\r
- /**\r
- * Connect to the server-side and begin the polling process. To handle each\r
- * response subscribe to the data event.\r
- */\r
- connect: function(){\r
- if(this.url && !this.pollTask){\r
- this.pollTask = Ext.TaskMgr.start({\r
- run: function(){\r
- if(this.fireEvent('beforepoll', this) !== false){\r
- if(typeof this.url == 'function'){\r
- this.url(this.baseParams);\r
- }else{\r
- Ext.Ajax.request({\r
- url: this.url,\r
- callback: this.onData,\r
- scope: this,\r
- params: this.baseParams\r
- });\r
- }\r
- }\r
- },\r
- interval: this.interval,\r
- scope: this\r
- });\r
- this.fireEvent('connect', this);\r
- }else if(!this.url){\r
- throw 'Error initializing PollingProvider, no url configured.';\r
- }\r
- },\r
-\r
- /**\r
- * Disconnect from the server-side and stop the polling process. The disconnect\r
- * event will be fired on a successful disconnect.\r
- */\r
- disconnect: function(){\r
- if(this.pollTask){\r
- Ext.TaskMgr.stop(this.pollTask);\r
- delete this.pollTask;\r
- this.fireEvent('disconnect', this);\r
- }\r
- },\r
-\r
- // private\r
- onData: function(opt, success, xhr){\r
- if(success){\r
- var events = this.getEvents(xhr);\r
- for(var i = 0, len = events.length; i < len; i++){\r
- var e = events[i];\r
- this.fireEvent('data', this, e);\r
- }\r
- }else{\r
- var e = new Ext.Direct.ExceptionEvent({\r
- data: e,\r
- code: Ext.Direct.exceptions.TRANSPORT,\r
- message: 'Unable to connect to the server.',\r
- xhr: xhr\r
- });\r
- this.fireEvent('data', this, e);\r
- }\r
- }\r
-});\r
-\r
+/**
+ * @class Ext.direct.PollingProvider
+ * @extends Ext.direct.JsonProvider
+ *
+ * <p>Provides for repetitive polling of the server at distinct {@link #interval intervals}.
+ * The initial request for data originates from the client, and then is responded to by the
+ * server.</p>
+ *
+ * <p>All configurations for the PollingProvider should be generated by the server-side
+ * API portion of the Ext.Direct stack.</p>
+ *
+ * <p>An instance of PollingProvider may be created directly via the new keyword or by simply
+ * specifying <tt>type = 'polling'</tt>. For example:</p>
+ * <pre><code>
+var pollA = new Ext.direct.PollingProvider({
+ type:'polling',
+ url: 'php/pollA.php',
+});
+Ext.Direct.addProvider(pollA);
+pollA.disconnect();
+
+Ext.Direct.addProvider(
+ {
+ type:'polling',
+ url: 'php/pollB.php',
+ id: 'pollB-provider'
+ }
+);
+var pollB = Ext.Direct.getProvider('pollB-provider');
+ * </code></pre>
+ */
+Ext.direct.PollingProvider = Ext.extend(Ext.direct.JsonProvider, {
+ /**
+ * @cfg {Number} priority
+ * Priority of the request (defaults to <tt>3</tt>). See {@link Ext.direct.Provider#priority}.
+ */
+ // override default priority
+ priority: 3,
+
+ /**
+ * @cfg {Number} interval
+ * How often to poll the server-side in milliseconds (defaults to <tt>3000</tt> - every
+ * 3 seconds).
+ */
+ interval: 3000,
+
+ /**
+ * @cfg {Object} baseParams An object containing properties which are to be sent as parameters
+ * on every polling request
+ */
+
+ /**
+ * @cfg {String/Function} url
+ * The url which the PollingProvider should contact with each request. This can also be
+ * an imported Ext.Direct method which will accept the baseParams as its only argument.
+ */
+
+ // private
+ constructor : function(config){
+ Ext.direct.PollingProvider.superclass.constructor.call(this, config);
+ this.addEvents(
+ /**
+ * @event beforepoll
+ * Fired immediately before a poll takes place, an event handler can return false
+ * in order to cancel the poll.
+ * @param {Ext.direct.PollingProvider}
+ */
+ 'beforepoll',
+ /**
+ * @event poll
+ * This event has not yet been implemented.
+ * @param {Ext.direct.PollingProvider}
+ */
+ 'poll'
+ );
+ },
+
+ // inherited
+ isConnected: function(){
+ return !!this.pollTask;
+ },
+
+ /**
+ * Connect to the server-side and begin the polling process. To handle each
+ * response subscribe to the data event.
+ */
+ connect: function(){
+ if(this.url && !this.pollTask){
+ this.pollTask = Ext.TaskMgr.start({
+ run: function(){
+ if(this.fireEvent('beforepoll', this) !== false){
+ if(typeof this.url == 'function'){
+ this.url(this.baseParams);
+ }else{
+ Ext.Ajax.request({
+ url: this.url,
+ callback: this.onData,
+ scope: this,
+ params: this.baseParams
+ });
+ }
+ }
+ },
+ interval: this.interval,
+ scope: this
+ });
+ this.fireEvent('connect', this);
+ }else if(!this.url){
+ throw 'Error initializing PollingProvider, no url configured.';
+ }
+ },
+
+ /**
+ * Disconnect from the server-side and stop the polling process. The disconnect
+ * event will be fired on a successful disconnect.
+ */
+ disconnect: function(){
+ if(this.pollTask){
+ Ext.TaskMgr.stop(this.pollTask);
+ delete this.pollTask;
+ this.fireEvent('disconnect', this);
+ }
+ },
+
+ // private
+ onData: function(opt, success, xhr){
+ if(success){
+ var events = this.getEvents(xhr);
+ for(var i = 0, len = events.length; i < len; i++){
+ var e = events[i];
+ this.fireEvent('data', this, e);
+ }
+ }else{
+ var e = new Ext.Direct.ExceptionEvent({
+ data: e,
+ code: Ext.Direct.exceptions.TRANSPORT,
+ message: 'Unable to connect to the server.',
+ xhr: xhr
+ });
+ this.fireEvent('data', this, e);
+ }
+ }
+});
+
Ext.Direct.PROVIDERS['polling'] = Ext.direct.PollingProvider;
\ No newline at end of file
git.ithinksw.org / extjs.git / blobdiff