ig_webchart_browser.js

研究怎样通过手写代码来完成自动生成代码

/* 
 * Infragistics Web Chart Common Script 
 * Author: Kamal Verma
 * Version 5.1.20051.37
 * Last modified: Mon Jul 28 09:57:31  2003
 * Copyright(c) 2001-2004 Infragistics, Inc. All Rights Reserved.
 * The JavaScript functions in this file are intended for the internal use of the Intragistics Web Controls only.
 */

// Global array to relate Elements with Objects.
var ID2OBJECT = new Array();

// IGBrowser class implements the basic browser independent functionality
function IGBrowser() 
{
	// Public Properties
	this.ScriptVersion		="5.1.20051.37"; 
	this.AgentName			=navigator.userAgent.toLowerCase();
	this.MajorVersionNumber =parseInt(navigator.appVersion);
	this.IsDom				=(document.getElementById)?true:false;
	this.IsSafari				=navigator.userAgent.toLowerCase().indexOf("safari")!=-1;
	this.IsNetscape			=(document.layers?true:false);
	this.IsNetscape4Plus	=(this.IsNetscape && this.MajorVersionNumber >=4)?true:false;
	this.IsNetscape6		=!this.IsSafari&&(this.IsDom&&navigator.appName=="Netscape");
	this.IsOpera			=this.AgentName.indexOf('opera')!=-1;
	this.IsMac				=(this.AgentName.indexOf("mac")!=-1);
	this.IsIE				=(document.all?true:false);
	this.IsIE4				=(document.all&&!this.IsDom)?true:false;
	this.IsIE4Plus			=(this.IsIE && this.MajorVersionNumber >= 4)?true:false;
	this.IsIE5				=(document.all&&this.IsDom)?true:false;
	this.IsWin				=((this.AgentName.indexOf("win")!=-1) || (this.AgentName.indexOf("16bit")!=-1));
	this.ID					="IGB";

	//Emulate 'apply' if it doesn't exist.
	if ((typeof Function != 'undefined')&&(typeof Function.prototype != 'undefined')&&(typeof Function.apply != 'function'))
	{
	    Function.prototype.apply = function(obj, args)
	    {
			var result, fn = 'ig_apply';
			while(typeof obj[fn] != 'undefined') fn += fn;
			obj[fn] = this;
			var length=(((ig_csom.isArray(args))&&(typeof args == 'object'))?args.length:0);
			switch(length)
			{
				case 0:
					result = obj[fn]();
					break;
				default:
					for(var item=0, params=''; item<args.length;item++)
					{
						if(item!=0) params += ',';
						params += 'args[' + item +']';
					}
					result = eval('obj.'+fn+'('+params+');');
					break;
			}
			this.Dispose(obj[fn]);
			return result;
		}
	}
	this.Dispose = function(obj)
	{
		if (this.IsIE && this.IsWin)	
			for(var item in obj)
			{
				if(typeof(obj[item])!="undefined" && obj[item]!=null && !obj[item].tagName && !obj[item].disposing && typeof(obj[item])!="string")
				{
					try 
					{
						obj[item].disposing=true;
						ig_dispose(obj[item]);
					} 
					catch(e1) {;}
			}
			try{delete obj[item];}catch(e2){;}
		}
	}

	this.GetObject = function(id, doc) 
	{
		var i,x;  
		if (!doc) doc=document; 
		if (!(x=doc[id])&&doc.all) x=doc.all[id]; 
		//for(i=0;!x&&i<doc.forms.length;i++) x=doc.forms[i][id];
		//for(i=0;!x&&doc.layers&&i<doc.layers.length;i++) x=this.GetObject(id,doc.layers[i].document);
		if (!x && document.getElementById) x=document.getElementById(id); 
		return x;
	}

	this.GetHeight = function(obj) 
	{ 
		var h=0; 
		if (this.IsNetscape) 
		{ 
			h=(obj.height)? obj.height:obj.clip.height; 
			return h; 
		} 
		h=(this.IsOpera)? obj.style.pixelHeight:obj.offsetHeight; 
		return h; 
	}

	this.SetHeight = function(obj,h) 
	{ 
		if (this.IsNetscape) 
		{
			if (obj.clip) obj.clip.bottom=h; 
		} else if (this.IsOpera) obj.style.pixelHeight=h;
		else obj.style.height=h; 
	}

	this.GetWidth = function(obj) 
	{ 
		var w=0; 
		if (this.IsNetscape) 
		{ 
			w=(obj.width)? obj.width:obj.clip.width; 
			return w; 
		} 
		w=(this.IsOpera)? obj.style.pixelWidth:obj.offsetWidth; 
		return w; 
	}

	this.SetWidth = function(obj,w) 
	{ 
		if (this.IsNetscape) 
		{
			if (obj.clip) obj.clip.right=w;
		}else if (this.IsOpera)obj.style.pixelWidth=w;
		else obj.style.width=w; 
	}

	this.GetX = function(obj) 
	{ 
		var x=(this.IsNetscape)? obj.left:(this.IsOpera)? obj.style.pixelLeft:obj.offsetLeft; 
		return x;
	}

	this.SetX = function(obj, x) 
	{ 
		
		(this.IsNetscape)? obj.left=x:(this.IsOpera)? obj.style.pixelLeft=x:obj.style.left=x; 
	}

	this.GetY = function(obj) 
	{  
		var y=(this.IsNetscape)? obj.top:(this.IsOpera)? obj.style.pixelTop:obj.offsetTop; 
		return y;
	}

	this.SetY = function(obj, y) 
	{ 
		(this.IsIE||this.IsDom)? obj.style.top=y:(this.IsNetscape)? obj.top=y:obj.style.pixelTop=y; 
	}

	this.GetPageX = function(obj) 
	{ 
		if (this.IsNetscape) 
		{ 
			var x=(obj.pageX)? obj.pageX:obj.x; return x; 
		} else if (this.IsOpera) 
		{  
			var x=0; 
			while(eval(obj)) 
			{ 
				x+=obj.style.pixelLeft; 
				obj=obj.offsetParent; 
			} 
			return x; 
		} 
		else 
		{ 
			var x=0; 
			while(eval(obj)) 
			{ 
				x+=obj.offsetLeft; 
				obj=obj.offsetParent; 
			} 
			return x; 
		} 
	}

	this.GetPageY = function(obj) 
	{ 
		if (this.IsNetscape) 
		{ 
			var y=(obj.pageY)? obj.pageY:obj.y; 
			return y; 
		} 
		else if (this.IsOpera) 
		{  
			var y=0; 
			while(eval(obj)) 
			{ 
				y+=obj.style.pixelTop; 
				obj=obj.offsetParent; 
			} 
			return y; 
		} 
		else 
		{ 
			var y=0; 
			while(eval(obj)) 
			{ 
				y+=obj.offsetTop; 
				obj=obj.offsetParent; 
			} 
			return y; 
		} 
	}

	this.SetPos = function(obj,x,y) 
	{ 
		this.SetX(obj,parseInt(x));
		this.SetY(obj,parseInt(y)); 
	}
	
	this.SetPosRelative = function(obj,x,y) 
	{ 
		this.SetX(obj,parseInt(this.GetPageX(obj))+parseInt(x));
		this.SetY(obj,parseInt(this.GetPageY(obj))+parseInt(y)); 
	}

	this.SetZValue = function(obj,z) 
	{ 
		if (this.IsNetscape)obj.zIndex=z;
		else obj.style.zIndex=z; 
	}
	

	this.ShowObject = function(obj,disp) 
	{ 
		(this.IsNetscape)? '':(!disp)? obj.style.display="inline":obj.style.display=disp;
		(this.IsNetscape)? obj.visibility='show':obj.style.visibility='visible';  
	}

	this.HideObject = function(obj,disp) 
	{ 
		(this.IsNetscape)? '':(arguments.length!=2)? obj.style.display="none":obj.style.display=disp;
		(this.IsNetscape)? obj.visibility='hide':obj.style.visibility='hidden';  
	}

	this.SetStyle = function(obj,s,v) 
	{ 
		if (this.IsIE5||this.IsDom) eval("obj.style."+s+" = '" + v +"'"); 
	}

	this.GetStyle = function(obj,s) 
	{ 
		if (this.IsIE5||this.IsDom) return eval("obj.style."+s); 
	}

	this.AddEventListener = function (o,e,f,c)
	{ 
		if(o.addEventListener)o.addEventListener(e,f,c);
		else if(o.attachEvent)o.attachEvent("on"+e,f);else eval("o.on"+e+"="+f)
	}
	
	this.AddEventListener = function(obj,eventName,callbackFunction,flag)
	{ 
		
		if (obj.addEventListener) 
		{
			obj.addEventListener(eventName,callbackFunction,flag);
		}
		else if (obj.attachEvent) 
		{
			obj.attachEvent("on"+eventName,callbackFunction);
		}
		else 
		{
			eval("obj.on"+eventName+"="+callbackFunction);
		}
	}
	
	this.WriteHTML = function(obj,html) 
	{
		
		if (this.IsNetscape)
		{
			var doc=obj.document;
			doc.write(html);
			doc.close();
			return false;
		}
		if (obj.innerHTML) obj.innerHTML=html; 
	}

	// region WBC 494
	this.SetXClientOverflowSafe=function(obj, x)
	{
		var objW = IGB.GetWidth(obj);
		var objR = objW + x;
		var clientW = IGB.GetClientWidth();
		if ( (clientW - objR ) > (x-objW-5) )
		//if (objR <= clientW || (x-objW-5<0) )
			this.SetX(obj, x);
		else
			this.SetXScrollContainerSafe(obj, x - objW - 5);
//			this.SetXScrollContainerSafe(obj, x - (objR - clientW) - 25);
	}
	this.SetXOverflowSafe=function(obj, x, container)
	{
		var objR = IGB.GetWidth(obj) + x;
		var containerW = IGB.GetWidth(container);
		if (objR <= containerW)
			this.SetXScrollContainerSafe(obj, x);
		else
			this.SetXScrollContainerSafe(obj, x - (objR - containerW));
	}
	
	this.SetYClientOverflowSafe=function(obj, y)
	{
		var objH = IGB.GetHeight(obj);
		var objT = objH + y + 23; // plus 23, as 20 offset was already added to y
		var clientH = IGB.GetClientHeight();
		if ( (clientH - objT ) > (y-objH-25) )
		//if (objT <= clientH)
			this.SetYScrollContainerSafe(obj, y);
		else
			this.SetYScrollContainerSafe(obj, y - objH - 25 );
//			this.SetYScrollContainerSafe(obj, y - (objT - clientH) );
	}
	this.SetYOverflowSafe=function(obj, y, container)
	{
		var objT = IGB.GetHeight(obj) + y;
		var containerH = IGB.GetHeight(container);
		if (objT <= containerH)
			this.SetYScrollContainerSafe(obj, y);
		else
			this.SetYScrollContainerSafe(obj, y - (objT - containerH));
	}

	this.GetClientWidth = function()
	{
		var w=(this.IsIE)? window.document.body.clientWidth:window.innerWidth;
		return w;
	}
	this.GetClientHeight = function()
	{
		var w=(this.IsIE)? window.document.body.clientHeight:window.innerHeight;
		return w;
	}
	// end region
	// region WBC202
	
	this.SetXScrollContainerSafe = function(obj, x)
	{
		var hSC = this.GetHScrolledContainer(obj);
		if (hSC != null)
			this.SetXScrollContainerAdjusted(obj, x, hSC);
		else
			this.SetX(obj, x);
	}
	this.SetYScrollContainerSafe = function(obj, y)
	{
		var vSC = this.GetVScrolledContainer(obj);
		if (vSC != null)