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Example usage:
AjaxQueue.setBatchSize(1);
AjaxQueue.push("http://www.testingqueue.com/process/",{onSucess: funcSuccess, onfailure: funcFailure});
AjaxQueue.push("http://www.testingqueue.com/process1/",{onSucess: funcSuccess1, onfailure: funcFailure1}, "myDiv");
AjaxQueue.push("http://www.testingqueue.com/process2/",{onSucess: funcSuccess2, onfailure: funcFailure2});
AjaxQueue.push("http://www.testingqueue.com/process3/",{onSucess: funcSuccess3, onfailure: funcFailure3});
AjaxQueue.push("http://www.testingqueue.com/process4/",{onSucess: funcSuccess4, onfailure: funcFailure4});
AjaxQueue.push("http://www.testingqueue.com/process5/",{onSucess: funcSuccess5, onfailure: funcFailure5});
41 lines
1.8 KiB
JavaScript
41 lines
1.8 KiB
JavaScript
var AjaxQueue = {
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batchSize: 1, //No.of simultaneous AJAX requests allowed, Default : 1
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urlQueue: [], //Request URLs will be pushed into this array
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elementsQueue: [], //Element IDs of elements to be updated on completion of a request ( as in Ajax.Updater )
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optionsQueue: [], //Request options will be pushed into this array
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setBatchSize: function(bSize){ //Method to set a different batch size. Recommended: Set batchSize before making requests
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this.batchSize = bSize;
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},
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push: function(url, options, elementID){ //Push the request in the queue. elementID is optional and required only for Ajax.Updater calls
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this.urlQueue.push(url);
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this.optionsQueue.push(options);
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if(elementID!=null){
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this.elementsQueue.push(elementID);
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} else {
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this.elementsQueue.push("NOTSPECIFIED");
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}
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this._processNext();
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},
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_processNext: function() { // Method for processing the requests in the queue. Private method. Don't call it explicitly
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if(Ajax.activeRequestCount < AjaxQueue.batchSize) // Check if the currently processing request count is less than batch size
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{
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if(AjaxQueue.elementsQueue.first()=="NOTSPECIFIED") { //Check if an elementID was specified
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// Call Ajax.Request if no ElementID specified
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//Call Ajax.Request on the first item in the queue and remove it from the queue
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new Ajax.Request(AjaxQueue.urlQueue.shift(), AjaxQueue.optionsQueue.shift());
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var junk = AjaxQueue.elementsQueue.shift();
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} else {
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// Call Ajax.Updater if an ElementID was specified.
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//Call Ajax.Updater on the first item in the queue and remove it from the queue
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new Ajax.Updater(AjaxQueue.elementsQueue.shift(), AjaxQueue.urlQueue.shift(), AjaxQueue.optionsQueue.shift());
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}
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}
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}
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};
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Ajax.Responders.register({
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//Call AjaxQueue._processNext on completion ( success / failure) of any AJAX call.
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onComplete: AjaxQueue._processNext
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});
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