//    Licensed Materials - Property of IBM
//
//    IBM Cognos Products: ps
//
//    (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 Incorporated. All rights reserved.
// Cognos and the Cognos logo are trademarks of Cognos Incorporated.

function getLocale() {
	return cl_locale;
}

function executeOKCommand() {
	processCommand('ok');
}

function executeCancelCommand() {
	processCommand('cancel');
}

function executeCloseCommand() {
	processCommand('close');
}

function executeHelpCommand() {
	processCommand('help');
}

var USE_RUNTIME_LOCALE = 0;
var USE_DEFAULT = 1;
var deleteArray = null;

function doCustomization() {
	deleteArray = new Array();
	
	var templateContent = readTemplate(USE_RUNTIME_LOCALE);
	
	if (templateContent != null) {
		insertTemplateContent(templateContent);
		
		//Perform customization
		doLayoutCustomization();
		doMessageReplacement();
		
		cleanup();
		
		//Finally, invoke customer-supplied javascript function, if specified
		if (typeof customize == 'function') {
			customize();
		}
	} else {
		// template could not be located and/or read - just degrade gracefully
		doRenderDefault();
	}
}

function doLayoutCustomization() {
	// Layout
	for (i = 0; i < clLayoutArray.length; i++) {
		doReplace("%" + clLayoutArray[i] + "%", clLayoutArray[i], true);
	}
}

function doMessageReplacement() {
	// Content replacement
	for (i = 0; i < clMessageReplaceArray.length; i++) {
		doReplace(clMessageReplaceArray[i], "%" + clMessageReplaceArray[i] + "%");
	}
}

function doReplace(tgt_id, src_id, replaceId) {
	var tgt = document.getElementById(tgt_id);
	var src = document.getElementById(src_id);
	if (tgt && src) {
		tgt.innerHTML = '';		
		while (src.firstChild) {
			tgt.appendChild(src.removeChild(src.firstChild));		
		}		
		if (replaceId) {
			tgt.id = src.id;		
		}
	}
	if (src) {
		src.deleted = false;
		deleteArray[deleteArray.length] = src;
	}
}

function cleanup() {
	for(i = 0; i < deleteArray.length; i++) {
		var e = deleteArray[i];
		if (e != null && e.parentNode != null && !e.deleted) {
			e.parentNode.removeChild(e);
			e.deleted = true;
		}
	}
}

function insertTemplateContent(templateContent) {
	function addScripts(scriptsText) {
		try {
			var head = document.getElementsByTagName('HEAD').item(0);
			var script = document.createElement("script");
			script.type = 'text/javascript';
			script.text = scriptsText;
			head.appendChild(script);
		} catch (e) {}
	}
	
	function addStyles(stylesText) {
		try {
			var head = document.getElementsByTagName('HEAD').item(0);
			var style = document.createElement("style");
			style.type = 'text/css';
			if (style.styleSheet) {
				style.styleSheet.cssText = stylesText;
			}
			else {
				var domText = document.createTextNode(stylesText);
				style.appendChild(domText);
			}
			head.appendChild(style);
		} catch (e) {}
	}
	
	function addLinks(href) {
		try {
			var head = document.getElementsByTagName('HEAD').item(0);
			var node = document.createElement("link");
			node.type = 'text/css';
			node.rel = "stylesheet";
			node.href = href;
			head.appendChild(node);
		} catch (e) {
		}
	}
	
	var customDiv = document.createElement("div");
	var clInsertTarget = document.getElementById(clLayoutArray[0]);
	clInsertTarget.parentNode.insertBefore(customDiv, clInsertTarget);
	
	var templateNode = document.createElement("div");
	templateNode.innerHTML = "<span style='display:none'>&nbsp;</span>"  + templateContent;
	templateNode.removeChild(templateNode.firstChild);
	
	// extract and insert style text
	var stylesText = "";
	var styleElements = templateNode.getElementsByTagName("style");
	var length = styleElements.length;
	for (var i = length - 1; i >= 0; i--) {
		stylesText += styleElements[i].innerHTML;
		if (styleElements[i].parentNode) {
			styleElements[i].parentNode.removeChild(styleElements[i]);
		}
	}
	addStyles(stylesText);
				
	// extract and insert script text
	var scriptsText = "";
	var scriptElements = templateNode.getElementsByTagName("SCRIPT");
	var length = scriptElements.length;
	for (var i = length - 1; i >= 0; i--) {
		scriptsText += scriptElements[i].text;
		if (scriptElements[i].parentNode) {
			scriptElements[i].parentNode.removeChild(scriptElements[i]);
		}
	}
	addScripts(scriptsText);
	
	// add links
	if (templateNode.getElementsByTagName("link") != null) {
		var nodes = templateNode.getElementsByTagName("link");
		var l = nodes.length;
		for (var i = 0; i < l; i++) {
			var attrs = nodes[i].attributes;
			for (var j = 0; j < attrs.length; j++) {
				if (attrs[j].nodeName == "href") {
					addLinks(attrs[j].nodeValue);
					break;
				}
			}
		}
	}
	
	// add rest of the template contents
	if (templateNode.childNodes) {
		var bHasHtml = false;
		var nodesLength = templateNode.childNodes.length;
		for (var i = nodesLength - 1 ; i >= 0; i--) {
			if ((templateNode.childNodes[i].nodeType != 3) || 
				(templateNode.childNodes[i].nodeType == 3 && templateNode.childNodes[i].nodeValue.replace(/^\s*|\s*$/g,"") != "")){						
				if (!bHasHtml) {
					customDiv.innerHTML = "";
					customDiv.appendChild(templateNode.childNodes[i]);
					bHasHtml = true;
				} else {
					customDiv.insertBefore(templateNode.childNodes[i], customDiv.firstChild);
				}
			}					
		}			
	}
}

function readTemplate(useLocale) {
	var asynch = false;
	var request = getXMLHttpRequest();
	if (request) {
		var template = getTemplateURL(useLocale);
		request.open("GET", template, asynch);
		request.send(null);
		
		if (request.status >= 200 && request.status < 300) {
			return request.responseText;
		} else if (useLocale != USE_DEFAULT) {
			return readTemplate(USE_DEFAULT);
		}
	}
	return null;
}

function getTemplateURL(useLocale) {
	var fullTemplatePath = cl_templatePath + "/" + cl_baseTemplateName;
	if (useLocale != USE_DEFAULT) {
		fullTemplatePath += "_" + getLocale();
	}
	fullTemplatePath += cl_templateDefaultExtension;
	return fullTemplatePath;
}

function doRenderDefault() {
	for (i = 0; i < clLayoutArray.length; i++) {
		var div = document.getElementById(clLayoutArray[i]);
		if (div) {
			div.style.display = "";
		}
	}
}