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</span> * @class Ext.data.JsonP
* @singleton
* This class is used to create JSONP requests. JSONP is a mechanism that allows for making
</span> * @class Ext.data.JsonP
* @singleton
* This class is used to create JSONP requests. JSONP is a mechanism that allows for making
<span id='Ext-data-JsonP-property-disableCaching'> /**
</span> * @property disableCaching
* @type Boolean
* True to add a unique cache-buster param to requests. Defaults to <tt>true</tt>.
*/
disableCaching: true,
<span id='Ext-data-JsonP-property-disableCaching'> /**
</span> * @property disableCaching
* @type Boolean
* True to add a unique cache-buster param to requests. Defaults to <tt>true</tt>.
*/
disableCaching: true,
* @type String
* Change the parameter which is sent went disabling caching through a cache buster. Defaults to <tt>'_dc'</tt>.
*/
disableCachingParam: '_dc',
* @type String
* Change the parameter which is sent went disabling caching through a cache buster. Defaults to <tt>'_dc'</tt>.
*/
disableCachingParam: '_dc',
<span id='Ext-data-JsonP-method-request'> /**
</span> * Makes a JSONP request.
* @param {Object} options An object which may contain the following properties. Note that options will
<span id='Ext-data-JsonP-method-request'> /**
</span> * Makes a JSONP request.
* @param {Object} options An object which may contain the following properties. Note that options will
* <li><b>disableCachingParam</b> : String (Optional) <div class="sub-desc">See {@link #disableCachingParam}</div></li>
* <li><b>success</b> : Function (Optional) <div class="sub-desc">A function to execute if the request succeeds.</div></li>
* <li><b>failure</b> : Function (Optional) <div class="sub-desc">A function to execute if the request fails.</div></li>
* <li><b>disableCachingParam</b> : String (Optional) <div class="sub-desc">See {@link #disableCachingParam}</div></li>
* <li><b>success</b> : Function (Optional) <div class="sub-desc">A function to execute if the request succeeds.</div></li>
* <li><b>failure</b> : Function (Optional) <div class="sub-desc">A function to execute if the request fails.</div></li>
* completes, whether it is a success or failure.</div></li>
* <li><b>scope</b> : Object (Optional)<div class="sub-desc">The scope in
* which to execute the callbacks: The "this" object for the callback function. Defaults to the browser window.</div></li>
* completes, whether it is a success or failure.</div></li>
* <li><b>scope</b> : Object (Optional)<div class="sub-desc">The scope in
* which to execute the callbacks: The "this" object for the callback function. Defaults to the browser window.</div></li>
*/
request: function(options){
options = Ext.apply({}, options);
*/
request: function(options){
options = Ext.apply({}, options);
-
- var me = this,
- disableCaching = Ext.isDefined(options.disableCaching) ? options.disableCaching : me.disableCaching,
- cacheParam = options.disableCachingParam || me.disableCachingParam,
- id = ++me.statics().requestCount,
- callbackName = options.callbackName || 'callback' + id,
- callbackKey = options.callbackKey || me.callbackKey,
- timeout = Ext.isDefined(options.timeout) ? options.timeout : me.timeout,
- params = Ext.apply({}, options.params),
+
+ var me = this,
+ disableCaching = Ext.isDefined(options.disableCaching) ? options.disableCaching : me.disableCaching,
+ cacheParam = options.disableCachingParam || me.disableCachingParam,
+ id = ++me.statics().requestCount,
+ callbackName = options.callbackName || 'callback' + id,
+ callbackKey = options.callbackKey || me.callbackKey,
+ timeout = Ext.isDefined(options.timeout) ? options.timeout : me.timeout,
+ params = Ext.apply({}, options.params),
callback: options.callback,
callbackName: callbackName
};
callback: options.callback,
callbackName: callbackName
};
if (timeout > 0) {
request.timeout = setTimeout(Ext.bind(me.handleTimeout, me, [request]), timeout);
}
if (timeout > 0) {
request.timeout = setTimeout(Ext.bind(me.handleTimeout, me, [request]), timeout);
}
me.setupErrorHandling(request);
me[callbackName] = Ext.bind(me.handleResponse, me, [request], true);
Ext.getHead().appendChild(script);
return request;
},
me.setupErrorHandling(request);
me[callbackName] = Ext.bind(me.handleResponse, me, [request], true);
Ext.getHead().appendChild(script);
return request;
},
<span id='Ext-data-JsonP-method-abort'> /**
</span> * Abort a request. If the request parameter is not specified all open requests will
* be aborted.
<span id='Ext-data-JsonP-method-abort'> /**
</span> * Abort a request. If the request parameter is not specified all open requests will
* be aborted.
abort: function(request){
var requests = this.statics().requests,
key;
abort: function(request){
var requests = this.statics().requests,
key;
<span id='Ext-data-JsonP-method-setupErrorHandling'> /**
</span> * Sets up error handling for the script
* @private
<span id='Ext-data-JsonP-method-setupErrorHandling'> /**
</span> * Sets up error handling for the script
* @private
setupErrorHandling: function(request){
request.script.onerror = Ext.bind(this.handleError, this, [request]);
},
setupErrorHandling: function(request){
request.script.onerror = Ext.bind(this.handleError, this, [request]);
},
<span id='Ext-data-JsonP-method-handleAbort'> /**
</span> * Handles any aborts when loading the script
* @private
<span id='Ext-data-JsonP-method-handleAbort'> /**
</span> * Handles any aborts when loading the script
* @private
request.errorType = 'abort';
this.handleResponse(null, request);
},
request.errorType = 'abort';
this.handleResponse(null, request);
},
<span id='Ext-data-JsonP-method-handleError'> /**
</span> * Handles any script errors when loading the script
* @private
<span id='Ext-data-JsonP-method-handleError'> /**
</span> * Handles any script errors when loading the script
* @private
request.errorType = 'error';
this.handleResponse(null, request);
},
request.errorType = 'error';
this.handleResponse(null, request);
},
<span id='Ext-data-JsonP-method-cleanupErrorHandling'> /**
</span> * Cleans up anu script handling errors
* @private
<span id='Ext-data-JsonP-method-cleanupErrorHandling'> /**
</span> * Cleans up anu script handling errors
* @private
request.errorType = 'timeout';
this.handleResponse(null, request);
},
request.errorType = 'timeout';
this.handleResponse(null, request);
},
* @param {Object} request The request
*/
handleResponse: function(result, request){
* @param {Object} request The request
*/
handleResponse: function(result, request){
delete this.statics()[request.id];
this.cleanupErrorHandling(request);
Ext.fly(request.script).remove();
delete this.statics()[request.id];
this.cleanupErrorHandling(request);
Ext.fly(request.script).remove();
}
Ext.callback(request.callback, request.scope, [success, result, request.errorType]);
},
}
Ext.callback(request.callback, request.scope, [success, result, request.errorType]);
},