//    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 ULC, an IBM Company. All rights reserved.
// Cognos (R) is a trademark of Cognos ULC, (formerly Cognos Incorporated).
var treeMetadata;
var treeRoot;
var treeArray = new Array();
var currentlySelectedNode = null;
var currentValue = "";
var currentName = "";

var sTreeWebRoot = "..";  // default this to a relative location

if (window.g_PS_getWebRoot)
{
	if (g_PS_getWebRoot() != "")
		sTreeWebRoot = g_PS_getWebRoot();  // set up the official path to the C8 web root
}

function initTree(rootName, rootCaption, rootIcon)
{
	try
	{
		if (typeof oCV == "undefined") {
			oCV = window;
		}
	}
	catch (e)
	{
		oCV = window;
	}
	oCV.preProcessControlArray=[];
	oCV.p_sSkinFolder= sTreeWebRoot + "/prompting/reportskin";
	oCV.bCanFinish=true;
	oCV.bNextPage=true;
	oCV.pageNavigationObserverArray=[];
	oCV.rangeObserverArray=[];
	oCV.multipleObserverArray=[];
	oCV.datePickerObserverArray=[];
	oCV.hasPromptKeyDown=false;
	//addHiddenInputHTML("pform", "p_[MULTIPLE]", "");
	var treeDiv = document.getElementById("LWMTreeOuterPane");
	treeMetadata = new CTree (treeDiv, "", false, false, "treeRoot", null, null, "");
	treeRoot = treeMetadata.getRootNode();
	
	var tNode = new CTreeNodeType(TREE_ROOT, true, rootIcon, rootIcon);
	tNode.setSelectable(true);
	
	treeMetadata.setRootNodeType(tNode);
	
	treeMetadata.setSelectionMode(SINGLE_TREE_SELECTION);
	treeMetadata.setForceSelectionAtLowestLevel(true);
	treeMetadata.setNodesCanHaveChildren(true);
	treeMetadata.setDisabled(false);
	treeMetadata.setRootNodeShowing(true);
	treeMetadata.getRootNode().setName(rootCaption);
	treeMetadata.setLoadOnTheFlyFunction(null);
	treeMetadata.setContextMenu(treeContextMenuFunc);
	treeMetadata.setSingleClickFunc(treeContextMenuFunc);
	treeMetadata.setRecursiveSelect(false);
	treeMetadata.setHideOuterTable(false);
}

function getSelectedNode()
{
	if (currentlySelectedNode != null)
	{
		return currentlySelectedNode.getValue();
	}
}
function getSelectedValue()
{
	return currentValue;
}
function getSelectedName()
{
	return currentName;
}
function treeFocus () {
	//no-op
}
function treeContextMenuFunc(evt)
{
	//get the event in a cross-browser fashion
	evt = (evt) ? evt : ((event) ? event : null);

	if ((evt !== null) && (evt.keyCode != null) && (evt.keyCode != 13) && (evt.keyCode !== 0))
	{
		return false;
	}
	//cancel any text selection
	clearSelection();
	//prevent the event from bubbling to other elements
	cancelBub(evt);
	//get UI Node
	var uiNode = getUINode(evt);
	var uiNodeTreeRef = uiNode.getAttribute(gsCTREE_treeRef).toString();

	//get the tree object
	var tree = uiNode.getAttribute(gsCTREE_tree).toString();

	//get tree Node
	var node = getTreeNode(tree, uiNodeTreeRef);
	var oTree = node.getTree();
	currentValue = node.getValue();
	currentName = node.getName();
	currentlySelectedNode = node;
}

function addNode(typeNode, level, name, value, icon, parentName, parentCaption, prevSelectedName, prevSelectedValue)
{
	if (typeNode == 'itemGroup')
	{
		var nodeType = new CTreeNodeType(TREE_FOLDER, false, icon, icon);
		nodeType.setSelectable(true);
		var node = null;
		var parentNode = treeRoot;
		if (level > 0 && parentName != 'undefined' && treeArray[parentName] != null)
		{
			parentNode = treeArray[parentName];
			node = new CTreeNode(parentNode, nodeType, false, name, value, false);
			parentNode.getTree().childrenReadyForNode(parentNode);
		} else {
			node = new CTreeNode(treeRoot, nodeType, false, name, value, false);
		}
		node.setTooltip(name);
		node.setCanHaveChildren(true);
		node.setOpen(true);
		treeArray[value] = node;

	} else if (typeNode == 'item')
	{
		var nodeType = new CTreeNodeType(TREE_ITEM, false, icon, icon);
		nodeType.setSelectable(true);
		var parentNode = treeRoot;
		var node = null;
		var selected = false;
		if (prevSelectedName != '' && prevSelectedValue != '' && prevSelectedName == name && prevSelectedValue == value)
		{
			selected = true;
			//set the current value and name
			currentValue = prevSelectedValue;
			currentName = prevSelectedName;
		}
		if (level > 0 && parentName != 'undefined' && treeArray[parentName] != null)
		{
			parentNode = treeArray[parentName];
			node = new CTreeNode(parentNode, nodeType, false, name, value, selected);
		} else {
			node = new CTreeNode(treeRoot, nodeType, false, name, value, selected);
		}
		node.setCanHaveChildren(false);
	}
}