-/*!
- * Ext JS Library 3.2.1
- * Copyright(c) 2006-2010 Ext JS, Inc.
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
+/*
+
+This file is part of Ext JS 4
+
+Copyright (c) 2011 Sencha Inc
+
+Contact: http://www.sencha.com/contact
+
+GNU General Public License Usage
+This file may be used under the terms of the GNU General Public License version 3.0 as published by the Free Software Foundation and appearing in the file LICENSE included in the packaging of this file. Please review the following information to ensure the GNU General Public License version 3.0 requirements will be met: http://www.gnu.org/copyleft/gpl.html.
+
+If you are unsure which license is appropriate for your use, please contact the sales department at http://www.sencha.com/contact.
+
+*/
/**
* @class Ext.direct.PollingProvider
* @extends Ext.direct.JsonProvider
type:'polling',
url: 'php/pollA.php',
});
-Ext.Direct.addProvider(pollA);
+Ext.direct.Manager.addProvider(pollA);
pollA.disconnect();
-Ext.Direct.addProvider(
+Ext.direct.Manager.addProvider(
{
type:'polling',
url: 'php/pollB.php',
id: 'pollB-provider'
}
);
-var pollB = Ext.Direct.getProvider('pollB-provider');
+var pollB = Ext.direct.Manager.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,
+Ext.define('Ext.direct.PollingProvider', {
+
+ /* Begin Definitions */
+
+ extend: 'Ext.direct.JsonProvider',
+
+ alias: 'direct.pollingprovider',
+
+ uses: ['Ext.direct.ExceptionEvent'],
+
+ requires: ['Ext.Ajax', 'Ext.util.DelayedTask'],
+
+ /* End Definitions */
/**
* @cfg {Number} interval
- * How often to poll the server-side in milliseconds (defaults to <tt>3000</tt> - every
- * 3 seconds).
+ * How often to poll the server-side in milliseconds. Defaults to every 3 seconds.
*/
interval: 3000,
/**
- * @cfg {Object} baseParams An object containing properties which are to be sent as parameters
- * on every polling request
+ * @cfg {Object} baseParams
+ * An object containing properties which are to be sent as parameters on every polling request
*/
/**
// private
constructor : function(config){
- Ext.direct.PollingProvider.superclass.constructor.call(this, config);
+ this.callParent(arguments);
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}
+ * @param {Ext.direct.PollingProvider} this
*/
'beforepoll',
/**
* @event poll
* This event has not yet been implemented.
- * @param {Ext.direct.PollingProvider}
+ * @param {Ext.direct.PollingProvider} this
*/
'poll'
);
* response subscribe to the data event.
*/
connect: function(){
- if(this.url && !this.pollTask){
- this.pollTask = Ext.TaskMgr.start({
+ var me = this, url = me.url;
+
+ if (url && !me.pollTask) {
+ me.pollTask = Ext.TaskManager.start({
run: function(){
- if(this.fireEvent('beforepoll', this) !== false){
- if(typeof this.url == 'function'){
- this.url(this.baseParams);
- }else{
+ if (me.fireEvent('beforepoll', me) !== false) {
+ if (Ext.isFunction(url)) {
+ url(me.baseParams);
+ } else {
Ext.Ajax.request({
- url: this.url,
- callback: this.onData,
- scope: this,
- params: this.baseParams
+ url: url,
+ callback: me.onData,
+ scope: me,
+ params: me.baseParams
});
}
}
},
- interval: this.interval,
- scope: this
+ interval: me.interval,
+ scope: me
});
- this.fireEvent('connect', this);
- }else if(!this.url){
- throw 'Error initializing PollingProvider, no url configured.';
+ me.fireEvent('connect', me);
+ } else if (!url) {
+ //<debug>
+ Ext.Error.raise('Error initializing PollingProvider, no url configured.');
+ //</debug>
}
},
* 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);
+ var me = this;
+
+ if (me.pollTask) {
+ Ext.TaskManager.stop(me.pollTask);
+ delete me.pollTask;
+ me.fireEvent('disconnect', me);
}
},
// 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);
+ onData: function(opt, success, response){
+ var me = this,
+ i = 0,
+ len,
+ events;
+
+ if (success) {
+ events = me.createEvents(response);
+ for (len = events.length; i < len; ++i) {
+ me.fireEvent('data', me, events[i]);
}
- }else{
- var e = new Ext.Direct.ExceptionEvent({
- data: e,
- code: Ext.Direct.exceptions.TRANSPORT,
+ } else {
+ me.fireEvent('data', me, Ext.create('Ext.direct.ExceptionEvent', {
+ data: null,
+ code: Ext.direct.Manager.self.exceptions.TRANSPORT,
message: 'Unable to connect to the server.',
- xhr: xhr
- });
- this.fireEvent('data', this, e);
+ xhr: response
+ }));
}
}
});
-
-Ext.Direct.PROVIDERS['polling'] = Ext.direct.PollingProvider;
\ No newline at end of file
git.ithinksw.org / extjs.git / blobdiff