
/* //////////////////////////////////////////////////
 *
 * 파일명 : expandHandler.js
 * version : 3.0 e1001  (made by Humandream, Inc.)
 *
 * 주의 사항 
 *		- 현재는 메뉴가 위에 있는 경우에 한해서만 테스트 되었음.
 *		- CRM 데이터와의 비교가 없었기 때문에 정확한 Zoom point가 CRM데이터로 쌓이는지는 모름 
 *		- 윈도우가 view에 비해서 많이 작은 경우에는 제대로 작동 안함  
 *
*////////////////////////////////////////////////////



//***************************
// 마우스 휠 관련 
var wheelScrollDone;		// 마우스 휠 이벤트 핸들링이 진행 중인지를 알려주는 flag 
var wheelEventCount;
var wheelEventDoneCount;

var dBookWidth;
var dBookHeight;


//***************************
// dBook 애플릿의 위치를 알아냄
var offsetTop;
var offsetLeft;
var offsetParentTop;
var offsetParentLeft;

function initDBookExpand()
{

	wheelScrollDone = 0;
	wheelEventCount = 0;
	wheelEventDoneCount = 0;


	offsetTop=0;
	offsetLeft=0;
	offsetParentTop=0;
	offsetParentLeft=0;

	var tempStartPage;

	if (document.layers) 
	{
		// window.dBook.onmousewheel = WheelScrollEventService;
	}
	else if (document.all)
	{
		// document.dBook.onmousewheel = WheelScrollEventService;
	}
	
	try
	{
		dBookWidth = document.dBook.width;
		dBookHeight = document.dBook.height;
	}
	catch(e)
	{
	}
}

function WheelScrollEventService(e)
{
	wheelEventCount = wheelEventCount + 1;
	try
	{
		if(wheelScrollDone == 0)
		{
			wheelScrollDone = 1;
			if (document.all)
		    {
				window.event.returnValue = false;
			}
			else if (document.layers)
		    {
			    window.event.returnValue = false;
			}

			var LPage = document.dBook.handle_getLeftSlidePage();
			
			
			FullZoomLevel = document.dBook.handle_getTotalZoomStep();
			
			CurrentZoomLevel = document.dBook.handle_getCurrZoomStep();
			
			ZoomAreaTop = document.dBook.handle_getZoomAreaTop();
			
			ZoomAreaRight = document.dBook.handle_getZoomAreaRight();
			ZoomAreaBottom = document.dBook.handle_getZoomAreaBottom();
			
			msg = "Full = " + FullZoomLevel + "\n";
			msg = msg + "Current = " + CurrentZoomLevel + "\n";
			
			if(CurrentZoomLevel != 0)
			{
				ZoomLevel=(document.dBook.handle_getCurrZoomStep());
				
				ZoomAreaLeft=(document.dBook.handle_getZoomAreaLeft());
				ZoomAreaTop=(document.dBook.handle_getZoomAreaTop());
				
				var ZoomAreaRight=(document.dBook.handle_getZoomAreaRight());
				var ZoomAreaBottom=(document.dBook.handle_getZoomAreaBottom());
				
				var PageOffset, ZoomOffset;
	
				var moveX, moveY;
/*				
				if(firstZoomWhell == 1)
				{
					
					dBookFullZoomLevel=(document.dBook.handle_getTotalZoomStep());
					var ZoomOffset = Math.pow(2,dBookFullZoomLevel-ZoomLevel);
	
					PageOffset=dBook.width*Math.pow(2,ZoomLevel);
					
					if( document.dBook.handle_isDoublePage() )
					{
						if( (ZoomAreaLeft+ZoomAreaRight)/2 < PageOffset/2 ) document.dBook.handle_moveZoom(-dBookWidth, 0);
						else document.dBook.handle_moveZoom(dBookWidth, 0);
					}

					firstZoomWhell = 0;
				}
*/
					
				if(window.event.wheelDelta > 0) 
				{
					document.dBook.handle_moveZoom(0, -window.event.wheelDelta);
				}
				else if (window.event.wheelDelta < 0) 
				{
					document.dBook.handle_moveZoom(0, -window.event.wheelDelta);
				}
				
				wheelScrollDone = 0;
			}
			else
			{
				wheelEventDoneCount = wheelEventDoneCount + 1;
				
				if(window.event.wheelDelta < 0)
				{
					your_pressNextPage();
				}
				else if (window.event.wheelDelta > 0)
				{
					your_pressPreviousPage();
				}
				wheelScrollDone = 0;
			}
		}
	} catch(e1) { }
}

	
//***************************
// dBook 애플릿의 위치를 알아냄

function getOffsetLeft(oBjectID)
{
    offsetLeft = 0;
    offsetTop = 0;
    offsetParentTop=0;
    offsetParentLeft=0;
        
    getFullLocation(oBjectID);
    
    return offsetLeft;
}

function getOffsetTop(oBjectID)
{
    offsetLeft = 0;
    offsetTop = 0;
    offsetParentTop=0;
    offsetParentLeft=0;
      
    getFullLocation(oBjectID);
    
    return offsetTop;
}

// 상위 태그들을 뒤지면서 브라우저상에서의 위치를 찾아내는 함수 //
// <tr> -> <table> -> <body> 
function getFullLocation(oBject)
{
   if(oBject.nodeName != 'BODY')
   {
     if( (oBject.offsetTop == offsetParentTop) && (oBject.offsetLeft == offsetParentLeft ))
     {
          offsetTop = offsetTop + oBject.offsetTop;
          offsetLeft = offsetLeft + oBject.offsetLeft;
     }

     offsetParentTop = oBject.offsetParent.offsetTop;
     offsetParentLeft = oBject.offsetParent.offsetLeft;
            
     oBject = oBject.parentNode;
     getFullLocation(oBject);		// 제귀적으로 계속 찾아 나간다. 
   }
}


function expand_StartZoom()
{	

	ZoomLevel=(document.dBook.handle_getCurrZoomStep());
	
	ZoomAreaLeft=(document.dBook.handle_getZoomAreaLeft());
	ZoomAreaTop=(document.dBook.handle_getZoomAreaTop());
	
	var ZoomAreaRight=(document.dBook.handle_getZoomAreaRight());
	var ZoomAreaBottom=(document.dBook.handle_getZoomAreaBottom());
	


	//your_pressLeftZoom();
	
	var dBookTableTop=getOffsetTop(dBookTable);
	
	browserWidth = parseInt(document.body.clientWidth) - 35;
	browserHeight = parseInt(document.body.clientHeight) - parseInt(dBookTableTop) - 35;

	dBook.width = browserWidth;
	dBook.height = browserHeight;
	document.dBook.handle_resize(browserWidth, browserHeight);

	// alert("your_StartZoom");
}

function expand_EndZoom()
{
	// alert("your_EndZoom");
	//wheelScrollDone = 0;

	var resizeWidth = parseInt(dBookWidth);
	var resizeHeight = parseInt(dBookHeight);
	
	document.dBook.handle_resize(resizeWidth, resizeHeight);

	dBook.width = resizeWidth;
	dBook.height = resizeHeight;
}