analytics/webcontent/fragments/common/layoutUtilities.js

//    Licensed Materials - Property of IBM
//
//    IBM Cognos Products:  cpscrn

//
//    (C) Copyright IBM Corp. 2005, 2011
//
//    US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
//
//
 // Copyright (C) 2008 Cognos ULC, an IBM Company. All rights reserved.
 // Cognos (R) is a trademark of Cognos ULC, (formerly Cognos Incorporated).

//Converts value to integer
//checks value to make sure its an int before conversion.
function _LU_isMozilla()
{

	var userAgent = navigator.userAgent.toLowerCase();
	if (((userAgent.indexOf('mozilla') > -1) && (userAgent.indexOf('msie') < 0)) || (userAgent.indexOf('firefox') > -1))
	{
		return true;
	}
	else
	{
		return false;
	}
}

function _LU_toInt(value, defaultValue){
	var nValue = parseInt(value);
	if (isNaN(nValue)){
		if (defaultValue){
			return defaultValue;
		}
		return 0;
	}
	return nValue;							
}		

function _LU_getStyle(obj){
	try {
		if (document.defaultView && xGetComputedStyle(document.defaultView)){
			return xGetComputedStyle(obj);
		}
		else if (obj.currentStyle){
			return obj.currentStyle;
		}
	} catch (e){}
	return obj.style;
}

function _LU_getTop(obj) {
	var curtop = 0;
	try {
		if (xParent(obj)) {
			while (xParent(obj)) {
				curtop += xOffsetTop(obj)
				obj = xParent(obj);
			}
		}
		else if (xPageY(obj)) {
			curtop += xPageY(obj);
		}		
	}catch (e) {}			
	return curtop;
}

function getWindowHeight(){
	if( typeof( window.innerHeight ) == 'number' ) {
		return window.innerHeight;
	} else if( document.documentElement && document.documentElement.clientHeight ) {
		return  document.documentElement.clientHeight;
	} else if( document.body &&  document.body.clientHeight ) {
		return  document.body.clientHeight;
	}
}


function _LU_getLastSiblingPositionedBelow(obj) {					
	var lastValidSibling = null;
	var sibling = obj.nextSibling;
	while (sibling != null ) {							
		if (sibling.tagName != null){
			var siblingStyle = _LU_getStyle(sibling);	
			var isVisible = siblingStyle.display.toLowerCase() != "none" ;
			var isRelative = siblingStyle.position.toLowerCase() != "absolute" ;									
			if (sibling.offsetHeight != null && isVisible && isRelative){
				var isSiblingPlacedBelow =  _LU_getTop(obj) + obj.offsetHeight <= _LU_getTop(sibling);
				if (isSiblingPlacedBelow){
					obj = sibling;
					lastValidSibling = sibling;
				}
			}		
		}
		sibling = sibling.nextSibling;
	}						
	return lastValidSibling;
}

function _LU_getExtraBottomContent(obj) {
	var extraContentHeight;							
	var lastSibling = _LU_getLastSiblingPositionedBelow(obj);
	if (lastSibling != null){
		var distance = _LU_getTop(lastSibling) - _LU_getTop(obj) - obj.offsetHeight;							
		extraContentHeight = 	distance + 
											_LU_toInt(_LU_getStyle(lastSibling).marginTop) + 
											lastSibling.offsetHeight + 
											_LU_toInt(_LU_getStyle(lastSibling).marginBottom)
	}
	else{
		extraContentHeight = _LU_toInt(_LU_getStyle(obj).marginBottom);
	}
	
	var parent =xParent(obj, true);	
	var offsetParent = xParent(obj);
	if  (parent && obj != document.body) {
		var parentStyle = _LU_getStyle(parent);																
		
		if (parent != null && offsetParent != null && parent.rowIndex != null && offsetParent.cellSpacing != null && offsetParent.rows != null){
			var cellspacing = _LU_toInt(offsetParent.cellSpacing, 2) * (offsetParent.rows.length - parent.rowIndex );									
			extraContentHeight += cellspacing;
		}								
		extraContentHeight +=  _LU_toInt(parentStyle.paddingBottom) + _LU_toInt(parentStyle.borderBottomWidth);
		extraContentHeight +=  _LU_getExtraBottomContent(parent);
	}															
	return extraContentHeight;
}

var _LU_minHeight = 100;
function _LU_getNewHeight(id) {						
	try {
		var eDiv= xGetElementById(id);
		if (eDiv != null) {
			var extraBottomContent = _LU_getExtraBottomContent(eDiv);
			var newHeight = xClientHeight() - _LU_getTop(eDiv) - extraBottomContent;
			if (newHeight < _LU_minHeight){
				newHeight = _LU_minHeight;
			}
			if (_LU_isMozilla())
			{		
				var runtimeStyle = _LU_getStyle(eDiv);
				if (runtimeStyle){
					if (runtimeStyle.borderTopWidth){
						newHeight -= _LU_toInt(runtimeStyle.borderTopWidth);											
					}
					if (runtimeStyle.borderBottomWidth){
						newHeight -= _LU_toInt(runtimeStyle.borderBottomWidth);											
					}
				}
			}


			return newHeight;									
		}
	}catch(e){}
}

function _LU_setHeight(id, newHeight, refresh){
	var eDiv= xGetElementById(id);
	if (eDiv != null) {
		newHeight -= 2;
		xHeight(eDiv,newHeight);
		if (_LU_isMozilla())
		{
			if (refresh){
					var oldBorderColor = eDiv.style.borderColor;
					var oldBorderWidth = eDiv.style.borderWidth;																											
					eDiv.style.borderWidth="1";
					eDiv.style.borderColor="transparent";									
					setTimeout("xGetElementById(\""+id+"\").style.borderWidth = \""+oldBorderWidth+"\"" ,1);																	
					setTimeout("xGetElementById(\""+id+"\").style.borderColor = \""+oldBorderColor+"\"" ,1);	
			}
		}
	}
}

function _LU_resize_main(elemId) {	
	var newHeight;
		newHeight = _LU_getNewHeight(elemId);	
		_LU_setHeight(elemId, newHeight, true);
								
}