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  Classes of Stanimir Angeloff  >  NAJAX  >  js/najax_optimized.js  >  Download  
File: js/najax_optimized.js
Role: Auxiliary data
Content type: text/plain
Description: NAJAX Optimized Client JavaScript file.
Class: NAJAX
Call PHP class functions from page with Javascript
Author: By
Last change: NAJAX 0.4.0.0 Release
Date: 9 years ago
Size: 13,549 bytes
 

Contents

Class file image Download
var NAJAX_ERROR_USER=0x400;var NAJAX_ERROR_TIMEOUT=0x401;var najax={};najax.errorHandler=null;najax.callbacks={};najax.callbacks.table={};najax.callbacks.count=0;najax.events={};najax.events.table=[];najax.events.postTable=[];najax.events.timeout=5000;najax.events.startInterval=250;najax.events.refreshInterval=2000;najax.events.status=0;najax.observers=[];najax.asyncCall=function(){};najax.getError=function(errorCode,errorMessage){return{code:errorCode,message:errorMessage}};najax.getXmlHttp=function(){var xmlHttp=null;try{xmlHttp=new XMLHttpRequest()}catch(e){var progIds=['MSXML2.XMLHTTP','Microsoft.XMLHTTP','MSXML2.XMLHTTP.5.0','MSXML2.XMLHTTP.4.0','MSXML2.XMLHTTP.3.0'];var success=false;for(var iterator=0;(iterator<progIds.length)&&(!success);iterator++){try{xmlHttp=new ActiveXObject(progIds[iterator]);success=true}catch(e){}}if(!success){return null}}return xmlHttp};najax.clone=function(target,source){var wipeKeys=[];for(var key in target.__meta){if(typeof(source[key])=='undefined'){wipeKeys.push(key)}}if(wipeKeys.length>0){for(var iterator=0;iterator<wipeKeys.length;iterator++){target[wipeKeys[iterator]]=null}}for(var key in source.__meta){if(source[key]==null){target[key]=null}else{target[key]=source[key]}}target.__meta=source.__meta;target.__size=source.__size;target.__timeout=source.__timeout};najax.serialize=function(data){if(data==null){return'N;'}var type=typeof(data);var code='';if(type=='boolean'){code+='b:'+(data?1:0)+';'}else if(type=='number'){if(Math.round(data)==data){code+='i:'+data+';'}else{code+='d:'+data+';'}}else if(type=='string'){var length=data.length;for(var iterator=0;iterator<data.length;iterator++){var asciiCode=data.charCodeAt(iterator);if((asciiCode>=0x00000080)&&(asciiCode<=0x000007FF)){length+=1}else if((asciiCode>=0x00000800)&&(asciiCode<=0x0000FFFF)){length+=2}else if((asciiCode>=0x00010000)&&(asciiCode<=0x001FFFFF)){length+=3}else if((asciiCode>=0x00200000)&&(asciiCode<=0x03FFFFFF)){length+=4}else if((asciiCode>=0x04000000)&&(asciiCode<=0x7FFFFFFF)){length+=5}}code+='s:'+length+':"'+data+'";'}else if(type=='object'){if(typeof(data.__class)=='undefined'){var length=0;if((typeof(data.length)=='number')&&(data.length>0)&&(typeof(data[0])!='undefined')){for(var iterator=0;iterator<data.length;iterator++){code+=najax.serialize(iterator);code+=najax.serialize(data[iterator])}length=data.length}else{for(var key in data){if(/^[0-9]+$/.test(key)){code+=najax.serialize(parseInt(key))}else{code+=najax.serialize(key)}code+=najax.serialize(data[key]);length++}}code='a:'+length+':{'+code+'}'}else{code+='O:'+data.__class.length+':"'+data.__class+'":'+data.__size+':{';if(data.__meta!=null){for(var key in data.__meta){code+=najax.serialize(key);code+=najax.serialize(data[key])}}code+='}'}}else{code='N;'}return code};najax.setErrorHandler=function(handler){if((handler!=null)&&(typeof(handler)=='function')){najax.errorHandler=handler;return true}return false};najax.restoreErrorHandler=function(){najax.errorHandler=null;return true};najax.throwException=function(error,throwArguments){if(typeof(throwArguments)!='undefined'){var sender=throwArguments[0];var method=throwArguments[1];method='on'+method.charAt(0).toUpperCase()+method.substr(1)+'Error';if(najax.invokeMethod(sender,method,[error])){return false}}if((najax.errorHandler!=null)&&(typeof(najax.errorHandler)=='function')){najax.errorHandler(error);return false}throw error};najax.invokeMethod=function(obj,method,invokeArguments){if((obj==null)||(typeof(obj)!='object')){return false}var type=eval('typeof(obj.'+method+')');if(type=='function'){var invokeCode='obj.'+method+'(';if(typeof(invokeArguments)!='undefined'){for(var iterator=0;iterator<invokeArguments.length;iterator++){invokeCode+='invokeArguments['+iterator+']';if(iterator<invokeArguments.length-1){invokeCode+=', '}}}invokeCode+=')';return eval(invokeCode)}return false};najax.call=function(obj,method,callArguments){if((obj==null)||(typeof(obj)!='object')||(typeof(obj.__class)!='string')){return false}var methodCallback=null;var methodArgs=[];for(var iterator=0;iterator<callArguments.length;iterator++){methodArgs.push(callArguments[iterator])}if((methodArgs.length>0)&&(typeof(methodArgs[methodArgs.length-1])=='function')){methodCallback=methodArgs[methodArgs.length-1];methodArgs.pop()}var xmlHttp=najax.getXmlHttp();var requestBody={source:obj,className:obj.__class,method:method,arguments:methodArgs};najax.notifyObservers('call',requestBody);requestBody.source=najax.serialize(requestBody.source);requestBody.arguments=najax.serialize(requestBody.arguments);requestBody=najax.serialize(requestBody);var url=obj.__url;if(url.indexOf('?')<0){url+='?'}else{url+='&'}url+='najaxCall=true';if(methodCallback!=null){xmlHttp.open('POST',url,true)}else{xmlHttp.open('POST',url,false)}var callId=null;var callTimeout=obj.getTimeout();if(callTimeout!=null){callId=najax.callbacks.count}najax.callbacks.count++;var requestCompleted=function(){if(callId!=null){if(eval('najax.callbacks.table.call'+callId+'.timeout')){return false}eval('window.clearTimeout(najax.callbacks.table.call'+callId+'.id)');eval('najax.callbacks.table.call'+callId+' = null')}if(xmlHttp.status!=200){return najax.throwException(najax.getError(xmlHttp.status,xmlHttp.statusText),[obj,method])}else{if(xmlHttp.responseText==null){return najax.throwException(najax.getError(xmlHttp.status,'Empty response.'),[obj,method])}if(xmlHttp.responseText.length<1){return najax.throwException(najax.getError(xmlHttp.status,'Empty response.'),[obj,method])}try{eval('var najaxResponse = '+xmlHttp.responseText+';')}catch(e){return najax.throwException(najax.getError(xmlHttp.status,'Invalid response.'),[obj,method])}if(typeof(najaxResponse.exception)!='undefined'){return najax.throwException(najax.getError(NAJAX_ERROR_USER,najaxResponse.exception),[obj,method])}if(najax.notifyObservers('callCompleted',najaxResponse)){obj.__clone(najaxResponse.returnObject);if(typeof(najaxResponse.output)!='undefined'){obj.__output=najaxResponse.output}else{obj.__output=null}return{returnValue:najaxResponse.returnValue}}}return false};try{xmlHttp.setRequestHeader('Content-Length',requestBody.length);xmlHttp.setRequestHeader('Content-Type','text/plain; charset=UTF-8');xmlHttp.setRequestHeader('Accept-Charset','UTF-8')}catch(e){}if(methodCallback!=null){xmlHttp.onreadystatechange=function(){if(xmlHttp.readyState==4){var response=requestCompleted();if(typeof(response.returnValue)!='undefined'){methodCallback(response.returnValue)}}}}if(callTimeout!=null){eval('najax.callbacks.table.call'+callId+' = {}');eval('najax.callbacks.table.call'+callId+'.timeout = false');eval('najax.callbacks.table.call'+callId+'.source = obj');eval('najax.callbacks.table.call'+callId+'.id = '+'window.setTimeout(\'najax.callbacks.table.call'+callId+'.timeout = true; '+'najax.throwException(najax.getError(NAJAX_ERROR_TIMEOUT, "Timeout."), [najax.callbacks.table.call'+callId+'.source, "'+method+'"]);\', callTimeout)')}xmlHttp.send(requestBody);if(methodCallback==null){var response=requestCompleted();if(typeof(response.returnValue)!='undefined'){return response.returnValue}return null}else{return true}};najax.catchEvent=function(obj,eventArguments){if(eventArguments.length<2){eventArguments[1]=null}var eventData={listener:obj,event:eventArguments[0],filter:eventArguments[1]};najax.events.table.push(eventData);najax.events.tableLength++;if(najax.events.status<1){najax.events.status=1;window.setTimeout('najax.dispatchEvents()',najax.events.startInterval)}return true};najax.ignoreEvent=function(obj,eventArguments){if(najax.events.tableLength<1){return false}if(eventArguments.length<2){eventArguments[1]=null}for(var iterator=najax.events.table.length-1;iterator>=0;iterator--){var event=najax.events.table[iterator];if((event.listener.__uid==obj.__uid)&&(event.event==eventArguments[0])&&(event.filter==eventArguments[1])){najax.events.table[iterator]=null;najax.events.tableLength--;break}}return true};najax.queueDispatchEvents=function(time){if(typeof(time)=='undefined'){time=najax.events.refreshInterval}window.setTimeout('najax.dispatchEvents()',time)};najax.dispatchEvents=function(){if(najax.events.tableLength<1){najax.events.status=0;return false}if((typeof(najax.events.callbackUrl)!='string')||(typeof(najax.events.lastRefresh)!='number')){najax.events.status=0;return false}najax.events.status=1;var eventsData=[];for(var iterator=0;iterator<najax.events.table.length;iterator++){var event=najax.events.table[iterator];if(event!=null){eventsData.push({className:event.listener.__class,event:event.event,filter:event.filter})}}var xmlHttp=najax.getXmlHttp();var requestBody=najax.serialize({eventsCallback:true,time:najax.events.lastRefresh,data:eventsData});var url=najax.events.callbackUrl;if(url.indexOf('?')<0){url+='?'}else{url+='&'}url+='najaxCall=true';xmlHttp.open('POST',url,true);var callId=najax.callbacks.count++;var requestCompleted=function(){if(eval('najax.callbacks.table.call'+callId+'.timeout')){return false}eval('window.clearTimeout(najax.callbacks.table.call'+callId+'.id)');eval('najax.callbacks.table.call'+callId+' = null');if(xmlHttp.status!=200){najax.queueDispatchEvents();return false}else{if(xmlHttp.responseText==null){najax.queueDispatchEvents();return false}if(xmlHttp.responseText.length<1){najax.queueDispatchEvents();return false}try{eval('var najaxResponse = '+xmlHttp.responseText+';')}catch(e){najax.queueDispatchEvents();return false}if(typeof(najaxResponse)!='object'){najax.queueDispatchEvents();return false}if(najax.notifyObservers('dispatchEventsCompleted',najaxResponse)){for(var serverIterator=0;serverIterator<najaxResponse.result.length;serverIterator++){var serverEvent=najaxResponse.result[serverIterator];for(var clientIterator=0;clientIterator<najax.events.table.length;clientIterator++){var clientEvent=najax.events.table[clientIterator];if(clientEvent!=null){if((serverEvent.event==clientEvent.event)&&(serverEvent.className.toLowerCase()==clientEvent.listener.__class.toLowerCase())&&(serverEvent.filter==clientEvent.filter)){eval('if (typeof(clientEvent.listener.'+clientEvent.event+') == "function") { '+'clientEvent.listener.'+clientEvent.event+'(serverEvent.eventData.sender, serverEvent.eventData.data) }')}}}if(serverEvent.time>najax.events.lastRefresh){najax.events.lastRefresh=serverEvent.time}}najax.queueDispatchEvents();return true}}return false};try{xmlHttp.setRequestHeader('Content-Length',requestBody.length);xmlHttp.setRequestHeader('Content-Type','text/plain; charset=UTF-8');xmlHttp.setRequestHeader('Accept-Charset','UTF-8')}catch(e){}xmlHttp.onreadystatechange=function(){if(xmlHttp.readyState==4){najax.events.status=3;requestCompleted();najax.events.status=1}};eval('najax.callbacks.table.call'+callId+' = {}');eval('najax.callbacks.table.call'+callId+'.timeout = false');eval('najax.callbacks.table.call'+callId+'.id = '+'window.setTimeout(\'najax.callbacks.table.call'+callId+'.timeout = true; '+'najax.queueDispatchEvents();\', najax.events.timeout)');najax.events.status=2;xmlHttp.send(requestBody);return true};najax.queuePostEvent=function(eventId){if(typeof(najax.events.postTable[eventId])=='object'){najax.postEvent(najax.events.postTable[eventId].sender,[najax.events.postTable[eventId].event,najax.events.postTable[eventId].data,najax.events.postTable[eventId].filter,eventId])}};najax.postEvent=function(obj,eventArguments){if(typeof(najax.events.callbackUrl)!='string'){return false}var eventName=eventArguments[0];var eventData=(eventArguments.length>1)?eventArguments[1]:null;var eventFilter=(eventArguments.length>2)?eventArguments[2]:null;var eventId=(eventArguments.length>3)?eventArguments[3]:najax.events.postTable.length;najax.events.postTable[eventId]={sender:obj,event:eventName,data:eventData,filter:eventFilter};var xmlHttp=najax.getXmlHttp();var requestBody=najax.serialize({eventPost:true,className:obj.__class,sender:najax.serialize(obj),event:eventName,data:eventData,filter:eventFilter});var url=najax.events.callbackUrl;if(url.indexOf('?')<0){url+='?'}else{url+='&'}url+='najaxCall=true';xmlHttp.open('POST',url,true);var requestCompleted=function(){if(xmlHttp.status!=200){najax.queuePostEvent(eventId);return false}else{if(xmlHttp.responseText==null){najax.queuePostEvent(eventId);return false}if(xmlHttp.responseText.length<1){najax.queuePostEvent(eventId);return false}try{eval('var najaxResponse = '+xmlHttp.responseText+';')}catch(e){najax.queuePostEvent(eventId);return false}if(typeof(najaxResponse)!='object'){najax.queuePostEvent(eventId);return false}if(najaxResponse.status!=true){najax.queuePostEvent(eventId);return false}if(najax.notifyObservers('postEventCompleted',najaxResponse)){najax.events.postTable[eventId]=null;return true}}return false};try{xmlHttp.setRequestHeader('Content-Length',requestBody.length);xmlHttp.setRequestHeader('Content-Type','text/plain; charset=UTF-8');xmlHttp.setRequestHeader('Accept-Charset','UTF-8')}catch(e){}xmlHttp.onreadystatechange=function(){if(xmlHttp.readyState==4){requestCompleted()}};xmlHttp.send(requestBody);return true};najax.addObserver=function(observer){najax.observers.push(observer);return true};najax.notifyObservers=function(event){if(najax.observers.length<1){return true}var eventMethod='on'+event.charAt(0).toUpperCase()+event.substr(1);var notifyArguments=[];for(var iterator=1;iterator<arguments.length;iterator++){notifyArguments.push(arguments[iterator])}for(var iterator=0;iterator<najax.observers.length;iterator++){najax.invokeMethod(najax.observers[iterator],eventMethod,notifyArguments)}return true};