dhtmlxcommon.js

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//v.1.6 build 71114

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
You allowed to use this component or parts of it under GPL terms
To use it on other terms or get Professional edition of the component please contact us at [e-mail]
*/
		/**
          *     @desc: xmlLoader object
          *     @type: private
          *     @param: funcObject - xml parser function
          *     @param: object - jsControl object
          *     @param: async - sync/async mode (async by default)
          *     @param: rSeed - enable/disable random seed ( prevent IE caching)
		  *     @topic: 0
          */
function dtmlXMLLoaderObject(funcObject, dhtmlObject,async,rSeed){
	this.xmlDoc="";
	
	if (typeof(async) != "undefined")
		this.async = async;
	else this.async = true;

	this.onloadAction=funcObject||null;
	this.mainObject=dhtmlObject||null;
    this.waitCall=null;
	this.rSeed=rSeed||false;
	return this;
};
		/**
          *     @desc: xml loading handler
          *     @type: private
          *     @param: dtmlObject - xmlLoader object
		  *     @topic: 0
          */
	dtmlXMLLoaderObject.prototype.waitLoadFunction=function(dhtmlObject){ 
		var once=true;
		this.check=function (){
			if ((dhtmlObject)&&(dhtmlObject.onloadAction!=null)){
				if  ((!dhtmlObject.xmlDoc.readyState)||(dhtmlObject.xmlDoc.readyState == 4)){
					if (!once) return; once=false; //IE 5 fix
					dhtmlObject.onloadAction(dhtmlObject.mainObject,null,null,null,dhtmlObject);
                    if (dhtmlObject.waitCall) { dhtmlObject.waitCall(); dhtmlObject.waitCall=null; }
                    }
			}
		};
		return this.check;
	};

		/**
          *     @desc: return XML top node
		  *     @param: tagName - top XML node tag name (not used in IE, required for Safari and Mozilla)
          *     @type: private
		  *     @returns: top XML node
		  *     @topic: 0  
          */
	dtmlXMLLoaderObject.prototype.getXMLTopNode=function(tagName,oldObj){ 
			if (this.xmlDoc.responseXML)  { 
				var temp=this.xmlDoc.responseXML.getElementsByTagName(tagName);
				var z=temp[0];  
			}else
				var z=this.xmlDoc.documentElement;
			if (z){
				this._retry=false;
				return z;
				}

            if ((_isIE)&&(!this._retry)){    
                //fall back to MS.XMLDOM
                var xmlString=this.xmlDoc.responseText;
                var oldObj=this.xmlDoc;
                this._retry=true;
           			this.xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
           			this.xmlDoc.async=false;
            		this.xmlDoc["loadXM"+"L"](xmlString);

                    return this.getXMLTopNode(tagName,oldObj);
            }
            dhtmlxError.throwError("LoadXML","Incorrect XML",[(oldObj||this.xmlDoc),this.mainObject]);
			return document.createElement("DIV");
	};

		/**
          *     @desc: load XML from string
          *     @type: private
          *     @param: xmlString - xml string
		  *     @topic: 0  
          */
	dtmlXMLLoaderObject.prototype.loadXMLString=function(xmlString){
		
	if (_isKHTML){
	 	var z=document.createElement('div');
      	z.innerHTML = xmlString;
		this.xmlDoc=z;
		z.responseXML=z;
 	} 
 	else
 	{
     try
	 {
		 var parser = new DOMParser();
		 this.xmlDoc = parser.parseFromString(xmlString,"text/xml");
	 }
	 catch(e){
		this.xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
		this.xmlDoc.async=this.async;
		this.xmlDoc["loadXM"+"L"](xmlString);
	 }
 	}
 	
	  this.onloadAction(this.mainObject,null,null,null,this);
      if (this.waitCall) { this.waitCall(); this.waitCall=null; }
	}
		/**
          *     @desc: load XML
          *     @type: private
          *     @param: filePath - xml file path
          *     @param: postMode - send POST request
          *     @param: postVars - list of vars for post request
		  *     @topic: 0
          */
	dtmlXMLLoaderObject.prototype.loadXML=function(filePath,postMode,postVars,rpc){
	 if (this.rSeed) filePath+=((filePath.indexOf("?")!=-1)?"&":"?")+"a_dhx_rSeed="+(new Date()).valueOf();
     this.filePath=filePath;	
      	
     if ((!_isIE)&&(window.XMLHttpRequest))
	 	this.xmlDoc = new XMLHttpRequest();
	else{

    		if (document.implementation && document.implementation.createDocument)
    		{
    			this.xmlDoc = document.implementation.createDocument("", "", null);
    			this.xmlDoc.onload = new this.waitLoadFunction(this);
				this.xmlDoc.load(filePath);
				return;
    		}
    		else
        			this.xmlDoc = new ActiveXObject("Microsoft.XMLHTTP");
	}

	
 	
	this.xmlDoc.open(postMode?"POST":"GET",filePath,this.async);
	if (rpc){
      	this.xmlDoc.setRequestHeader("User-Agent", "dhtmlxRPC v0.1 (" + navigator.userAgent + ")");
        this.xmlDoc.setRequestHeader("Content-type", "text/xml");
	} else
		if (postMode) this.xmlDoc.setRequestHeader('Content-type','application/x-www-form-urlencoded');
	this.xmlDoc.onreadystatechange=new this.waitLoadFunction(this);
	this.xmlDoc.send(null||postVars);

	};
		/**
          *     @desc: destructor, cleans used memory
          *     @type: private
		  *     @topic: 0
          */
    dtmlXMLLoaderObject.prototype.destructor=function(){
        this.onloadAction=null;
	    this.mainObject=null;
        this.xmlDoc=null;
        return null;
    }
	
		/**  
          *     @desc: Call wrapper
          *     @type: private
          *     @param: funcObject - action handler
          *     @param: dhtmlObject - user data
		  *     @returns: function handler
		  *     @topic: 0  
          */
function callerFunction(funcObject,dhtmlObject){
	this.handler=function(e){
		if (!e) e=window.event;
		funcObject(e,dhtmlObject);
		return true;
	};
	return this.handler;
};

		/**  
          *     @desc: Calculate absolute position of html object
          *     @type: private
          *     @param: htmlObject - html object
		  *     @topic: 0  
          */
function getAbsoluteLeft(htmlObject){
        var xPos = htmlObject.offsetLeft;
        var temp = htmlObject.offsetParent;
        while (temp != null) {
            xPos += temp.offsetLeft;
            temp = temp.offsetParent;
        }
        return xPos;
    }
		/**
          *     @desc: Calculate absolute position of html object
          *     @type: private
          *     @param: htmlObject - html object
		  *     @topic: 0  
          */
function getAbsoluteTop(htmlObject) {
        var yPos = htmlObject.offsetTop;
        var temp = htmlObject.offsetParent;
        while (temp != null) {
            yPos += temp.offsetTop;
            temp = temp.offsetParent;
        }
        return yPos;
   }
   
   
/**  
*     @desc: Convert string to it boolean representation
*     @type: private
*     @param: inputString - string for covertion
*     @topic: 0
*/	  
function convertStringToBoolean(inputString){ if (typeof(inputString)=="string") inputString=inputString.toLowerCase();
	switch(inputString){
		case "1":
		case "true":
		case "yes":
		case "y":
		case 1:		
		case true:		
					return true; 
					break;
		default: 	return false;
	}
}

/**  
*     @desc: find out what symbol to use as url param delimiters in further params
*     @type: private
*     @param: str - current url string
*     @topic: 0  
*/
function getUrlSymbol(str){
		if(str.indexOf("?")!=-1)
			return "&"
		else
			return "?"
	}
	
	
function dhtmlDragAndDropObject(){
		if (window.dhtmlDragAndDrop) return window.dhtmlDragAndDrop;
		this.lastLanding=0;
		this.dragNode=0;
		this.dragStartNode=0;
		this.dragStartObject=0;
		this.tempDOMU=null;
		this.tempDOMM=null;
		this.waitDrag=0;
		window.dhtmlDragAndDrop=this;

		return this;
	};
	
	dhtmlDragAndDropObject.prototype.removeDraggableItem=function(htmlNode){
		htmlNode.onmousedown=null;
		htmlNode.dragStarter=null;
		htmlNode.dragLanding=null;
	}
	dhtmlDragAndDropObject.prototype.addDraggableItem=function(htmlNode,dhtmlObject){
		htmlNode.onmousedown=this.preCreateDragCopy;
		htmlNode.dragStarter=dhtmlObject;
		this.addDragLanding(htmlNode,dhtmlObject);
	}
	dhtmlDragAndDropObject.prototype.addDragLanding=function(htmlNode,dhtmlObject){
		htmlNode.dragLanding=dhtmlObject;
	}
	dhtmlDragAndDropObject.prototype.preCreateDragCopy=function(e)
	{
		if (window.dhtmlDragAndDrop.waitDrag) {
			 window.dhtmlDragAndDrop.waitDrag=0;
			 document.body.onmouseup=window.dhtmlDragAndDrop.tempDOMU;
			 document.body.onmousemove=window.dhtmlDragAndDrop.tempDOMM;
			 return false;
		}

		window.dhtmlDragAndDrop.waitDrag=1;
		window.dhtmlDragAndDrop.tempDOMU=document.body.onmouseup;
		window.dhtmlDragAndDrop.tempDOMM=document.body.onmousemove;