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<pre class="prettyprint lang-js"><span id='Ext-direct-Provider'>/**
</span> * Ext.direct.Provider is an abstract class meant to be extended.
*
* For example Ext JS implements the following subclasses:
*
* Provider
* |
* +---{@link Ext.direct.JsonProvider JsonProvider}
* |
* +---{@link Ext.direct.PollingProvider PollingProvider}
* |
* +---{@link Ext.direct.RemotingProvider RemotingProvider}
*
* @abstract
*/
Ext.define('Ext.direct.Provider', {
/* Begin Definitions */
alias: 'direct.provider',
mixins: {
observable: 'Ext.util.Observable'
},
/* End Definitions */
<span id='Ext-direct-Provider-cfg-id'> /**
</span> * @cfg {String} id
* The unique id of the provider (defaults to an {@link Ext#id auto-assigned id}).
* You should assign an id if you need to be able to access the provider later and you do
* not have an object reference available, for example:
*
* Ext.direct.Manager.addProvider({
* type: 'polling',
* url: 'php/poll.php',
* id: 'poll-provider'
* });
* var p = {@link Ext.direct.Manager}.{@link Ext.direct.Manager#getProvider getProvider}('poll-provider');
* p.disconnect();
*
*/
constructor : function(config){
var me = this;
Ext.apply(me, config);
me.addEvents(
<span id='Ext-direct-Provider-event-connect'> /**
</span> * @event connect
* Fires when the Provider connects to the server-side
* @param {Ext.direct.Provider} provider The {@link Ext.direct.Provider Provider}.
*/
'connect',
<span id='Ext-direct-Provider-event-disconnect'> /**
</span> * @event disconnect
* Fires when the Provider disconnects from the server-side
* @param {Ext.direct.Provider} provider The {@link Ext.direct.Provider Provider}.
*/
'disconnect',
<span id='Ext-direct-Provider-event-data'> /**
</span> * @event data
* Fires when the Provider receives data from the server-side
* @param {Ext.direct.Provider} provider The {@link Ext.direct.Provider Provider}.
* @param {Ext.direct.Event} e The Ext.direct.Event type that occurred.
*/
'data',
<span id='Ext-direct-Provider-event-exception'> /**
</span> * @event exception
* Fires when the Provider receives an exception from the server-side
*/
'exception'
);
me.mixins.observable.constructor.call(me, config);
},
<span id='Ext-direct-Provider-method-isConnected'> /**
</span> * Returns whether or not the server-side is currently connected.
* Abstract method for subclasses to implement.
*/
isConnected: function(){
return false;
},
<span id='Ext-direct-Provider-method-connect'> /**
</span> * Abstract methods for subclasses to implement.
* @method
*/
connect: Ext.emptyFn,
<span id='Ext-direct-Provider-method-disconnect'> /**
</span> * Abstract methods for subclasses to implement.
* @method
*/
disconnect: Ext.emptyFn
});
</pre>
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