diff options
Diffstat (limited to 'framework/Web/Javascripts/prado/ajax3.js')
| -rw-r--r-- | framework/Web/Javascripts/prado/ajax3.js | 114 |
1 files changed, 87 insertions, 27 deletions
diff --git a/framework/Web/Javascripts/prado/ajax3.js b/framework/Web/Javascripts/prado/ajax3.js index 6a20e2b5..d4221003 100644 --- a/framework/Web/Javascripts/prado/ajax3.js +++ b/framework/Web/Javascripts/prado/ajax3.js @@ -122,21 +122,24 @@ Object.extend(Prado.CallbackRequest, /**
* Current requests in progress.
*/
- requestInProgress : null,
+ currentRequest : null,
+
+ requestQueque : [],
/**
* Add ids of inputs element to post in the request.
*/
addPostLoaders : function(ids)
{
- this.PostDataLoaders = this.PostDataLoaders.concat(ids);
- list = [];
- this.PostDataLoaders.each(function(id)
+ var self = Prado.CallbackRequest;
+ self.PostDataLoaders = self.PostDataLoaders.concat(ids);
+ var list = [];
+ self.PostDataLoaders.each(function(id)
{
if(list.indexOf(id) < 0)
list.push(id);
});
- this.PostDataLoaders = list;
+ self.PostDataLoaders = list;
},
/**
@@ -144,8 +147,9 @@ Object.extend(Prado.CallbackRequest, */
dispatchActions : function(transport,actions)
{
+ var self = Prado.CallbackRequest;
if(actions && actions.length > 0)
- actions.each(this.__run.bind(this,transport));
+ actions.each(self.__run.bind(self,transport));
},
/**
@@ -153,17 +157,18 @@ Object.extend(Prado.CallbackRequest, */
__run : function(transport, command)
{
- this.transport = transport;
+ var self = Prado.CallbackRequest;
+ self.transport = transport;
for(var method in command)
{
try
{
- method.toFunction().apply(this,command[method]);
+ method.toFunction().apply(self,command[method]);
}
catch(e)
{
if(typeof(Logger) != "undefined")
- Prado.CallbackRequest.Exception.onException(null,e);
+ self.Exception.onException(null,e);
}
}
},
@@ -264,19 +269,18 @@ Object.extend(Prado.CallbackRequest, */
dispatchPriorityRequest : function(callback)
{
- //Logger.info("priority request "+callback.id)
- this.abortRequestInProgress();
+ var self = Prado.CallbackRequest;
callback.request = new Ajax.Request(callback.url, callback.options);
callback.timeout = setTimeout(function()
{
- // Logger.warn("priority timeout");
- Prado.CallbackRequest.abortRequestInProgress();
+ //Logger.warn("priority timeout");
+ self.abortCurrentRequest();
},callback.options.RequestTimeOut);
- this.requestInProgress = callback;
+ //Logger.info("dispatched "+this.currentRequest)
+ self.currentRequest = callback;
return true;
- //Logger.info("dispatched "+this.requestInProgress)
},
/**
@@ -284,7 +288,7 @@ Object.extend(Prado.CallbackRequest, */
dispatchNormalRequest : function(callback)
{
- // Logger.info("dispatching normal request");
+ //Logger.info("dispatching normal request");
new Ajax.Request(callback.url, callback.options);
return true;
},
@@ -292,20 +296,23 @@ Object.extend(Prado.CallbackRequest, /**
* Abort the current priority request in progress.
*/
- abortRequestInProgress : function()
+ abortCurrentRequest : function()
{
- inProgress = Prado.CallbackRequest.requestInProgress;
+ var self = Prado.CallbackRequest;
+ var inProgress = self.currentRequest;
//Logger.info("aborting ... "+inProgress);
if(inProgress)
{
+ clearTimeout(inProgress.timeout);
+ self.currentRequest = null;
+ //Logger.info("aborted");
//abort if not ready.
if(inProgress.request.transport.readyState < 4)
inProgress.request.transport.abort();
- clearTimeout(inProgress.timeout);
- Prado.CallbackRequest.requestInProgress = null;
- return true;
+ return self.dispatchQueque();
}
- return false;
+ else
+ return self.dispatchQueque();
},
/**
@@ -314,10 +321,13 @@ Object.extend(Prado.CallbackRequest, */
updatePageState : function(request, transport)
{
- pagestate = $(this.FIELD_CALLBACK_PAGESTATE);
- if(request.options.EnablePageStateUpdate && request.options.HasPriority && pagestate)
+ var self = Prado.CallbackRequest;
+ var pagestate = $(self.FIELD_CALLBACK_PAGESTATE);
+ var enabled = request.options.EnablePageStateUpdate && request.options.HasPriority;
+ var aborted = self.currentRequest == null;
+ if(enabled && !aborted && pagestate)
{
- data = request.header(this.PAGESTATE_HEADER);
+ var data = request.header(self.PAGESTATE_HEADER);
if(typeof(data) == "string" && data.length > 0)
pagestate.value = data;
else
@@ -328,6 +338,47 @@ Object.extend(Prado.CallbackRequest, }
}
return true;
+ },
+
+ enqueque : function(callback)
+ {
+ var self = Prado.CallbackRequest;
+ if(self.currentRequest==null)
+ self.dispatchPriorityRequest(callback);
+ else
+ self.requestQueque.push(callback);
+ //Logger.info("current queque length="+self.requestQueque.length);
+ },
+
+ dispatchQueque : function()
+ {
+ var self = Prado.CallbackRequest;
+ //Logger.info("dispatching queque, length="+self.requestQueque.length+" request="+self.currentRequest);
+ if(self.requestQueque.length > 0)
+ {
+ var callback = self.requestQueque.shift();
+ //Logger.info("do dispatch request");
+ return self.dispatchPriorityRequest(callback);
+ }
+ return false;
+ },
+
+ abortRequest : function(id)
+ {
+ //Logger.info("abort id="+id);
+ var self = Prado.CallbackRequest;
+ if(self.currentRequest != null && self.currentRequest.id == id)
+ self.abortCurrentRequest();
+ else
+ {
+ var queque = [];
+ self.requestQueque.each(function(callback)
+ {
+ if(callback.id != id)
+ queque.push(callback);
+ });
+ self.requestQueque = queque;
+ }
}
})
@@ -337,7 +388,7 @@ Object.extend(Prado.CallbackRequest, Ajax.Responders.register({onComplete : function(request)
{
if(request.options.HasPriority)
- Prado.CallbackRequest.abortRequestInProgress();
+ Prado.CallbackRequest.abortCurrentRequest();
}});
//Add HTTP exception respones when logger is enabled.
@@ -469,6 +520,7 @@ Prado.CallbackRequest.prototype = */
dispatch : function()
{
+ //Logger.info("dispatching request");
//trigger tinyMCE to save data.
if(typeof tinyMCE != "undefined")
tinyMCE.triggerSave();
@@ -494,11 +546,19 @@ Prado.CallbackRequest.prototype = return;
if(this.options.HasPriority)
- return Prado.CallbackRequest.dispatchPriorityRequest(this);
+ {
+ return Prado.CallbackRequest.enqueque(this);
+ //return Prado.CallbackRequest.dispatchPriorityRequest(this);
+ }
else
return Prado.CallbackRequest.dispatchNormalRequest(this);
},
+ abort : function()
+ {
+ return Prado.CallbackRequest.abortRequest(this.id);
+ },
+
/**
* Collects the form inputs, encode the parameters, and sets the callback
* target id. The resulting string is the request content body.
|