bzr branch
http://gegoxaren.bato24.eu/bzr/lenasys/0.1
1
by Henrik G.
First seed of Lenasys ... Needs to be Organized Further |
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AJAX Queue
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var AJAXQueue = new Array; |
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var AJAXServiceRunning=false; |
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var httpAjax = false; |
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/*-------------------------------------------------------------------------------- |
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AjaxService
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This is the only interface to the AJAX wrapper. This makes the ajax service
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browser agnostic and provides a single interface for all of the services.
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Each service uses a different url and a different parameter layout.
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function AjaxService(servicename,serviceparam){ |
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AJAXQueue.push(servicename); |
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AJAXQueue.push(serviceparam); |
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if(!AJAXServiceRunning){ |
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AJAXServiceRunning=true; |
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var Aparam=AJAXQueue.pop(); |
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var Aservice=AJAXQueue.pop(); |
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AjaxServiceExec(Aservice,Aparam); |
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} |
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} |
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/*-------------------------------------------------------------------------------- |
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AjaxService
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This is the only interface to the AJAX wrapper. This makes the ajax service
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browser agnostic and provides a single interface for all of the services.
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Each service uses a different url and a different parameter layout.
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----------------------------------------------------------------------------------*/
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function AjaxServiceExec(servicename,serviceparam){ |
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// Parameters are set, initiate AJAX engine |
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if (window.XMLHttpRequest) { |
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httpAjax = new XMLHttpRequest(); |
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if (httpAjax.overrideMimeType) { |
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httpAjax.overrideMimeType('text/xml'); |
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} |
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}else if(window.ActiveXObject){ |
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try{ |
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httpAjax = new ActiveXObject("Msxml2.XMLHTTP"); |
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}catch(e){ |
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try{ |
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httpAjax = new ActiveXObject("Microsoft.XMLHTTP"); |
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}catch(e){ |
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alert("CouldnŽt build an AJAX instance."); |
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return false; |
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} |
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} |
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} |
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// Send request to Server and initiate callback. |
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try{ |
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httpAjax.onreadystatechange = getPage; |
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}catch(e){ |
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// alert("onreadystatechange didnŽt go well!");
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return false; |
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}try{ |
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httpAjax.open('POST', servicename, true); |
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httpAjax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;"); |
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}catch(e){ |
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// alert("CouldnŽt open url.");
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return false; |
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}try{ |
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httpAjax.send(serviceparam); |
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}catch(e){ |
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// alert("CouldnŽt send request.");
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return false; |
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} |
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return true; |
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} |
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/*-------------------------------------------------------------------------------- |
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getPage
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This is the AJAX callback function. It detects the invoking service and handles
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the reply from each service accordingly.
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----------------------------------------------------------------------------------*/
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function getPage() { |
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if(httpAjax.readyState == 4){ |
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str=httpAjax.responseText; |
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if(AJAXQueue.length>0){ |
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var Aparam=AJAXQueue.pop(); |
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var Aservice=AJAXQueue.pop(); |
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AjaxServiceExec(Aservice,Aparam); |
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}else{ |
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AJAXServiceRunning=false; |
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} |
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return true; |
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}else{ |
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// If any other ready state than prepared, do nothing! |
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} |
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} |
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