/*
 * Class - TTreeNode
 */
 
var TTreeNode = Class.extend({},
{
    /*
     * Method - initialize
     */
    initialize: function()
    {
        this.id = null;
        this.attributes = new Array();
        this.nodePointer = null;
        this.subNodes = new Array();
        this.subNodesCount = 0;
        this.parentId = null;
        this.isLastLeaf = false;
    },



    /*
     * Method - addNode
     */
    addNode: function( nodeObj )
    {
        if ( this.nodePointer ) this.nodePointer.isLastLeaf = false;
        this.subNodes[ nodeObj.id ] = nodeObj;
        nodeObj.zindex = ++this.subNodesCount;
        nodeObj.isLastLeaf = true;
        this.nodePointer = nodeObj;
    },



    /*
     * Method - findNode
     */
    findNode: function( id )
    {
        if ( this.id == id )
        {   return this;
        }

        if ( this.subNodes[id] )
        {   return this.subNodes[id];
        }

        for ( i in this.subNodes )
        {
           temp = this.subNodes[i].findNode( id );
           if ( temp != null ) return temp;
        }

        return null;
    }

});







/*
 * Class - TTree
 */
 
var TTree = Class.extend(TTreeNode,
{
    /*
     * Method - initialize
     */
    initialize: function( name )
    {
        $C(TTreeNode).initialize.call( this );
    }
});









/*
 * Class - TAbstractTreeMenu
 */

var TAbstractTreeMenu = Class.extend({},
{
    /*
     * Method - initialize
     */
    initialize: function( name )
    {
        this.name = name;
        this.tree = new TTree();
        this.value = null;

        this.pendingNodes = new Array();
        this.pendingNodesOpen = true;
    },



    /*
     * Method - setRoot
     */
    setRoot: function( id, text )
    {
        this.tree = new TTree();
        this.tree.id = id;
        this.tree.attributes["text"] = text;
        this.tree.attributes["level"] = 0;
    },



    /*
     * Method - addMenuItem
     */
    addMenuItem: function( parentId, attributes )
    {
        parentNode = this.tree.findNode( parentId );
        if ( parentNode )
        {
            node = new TTreeNode();
            node.id = attributes["id"];
            node.parentId = parentId;
            for ( key in attributes ) node.attributes[key] = attributes[key];
            node.attributes["level"] = parentNode.attributes["level"] + 1;
            parentNode.addNode( node );
            return true;
        }
        else if ( this.pendingNodesOpen )
        {
            this.pendingNodes[this.pendingNodes.length] = {0:parentId, 1:attributes};
        }

        return false;
    },



    /*
     * Method - processPendingNodes
     */
    processPendingNodes: function()
    {
        this.pendingNodesOpen = false;

        if (this.pendingNodes.length == 0) return;

        var temp = new Array();
        var counter = 0;
        for ( i in this.pendingNodes )
        {
            if ( this.addMenuItem(this.pendingNodes[i][0],this.pendingNodes[i][1]) )
            {   counter++;
            }
            else
            {   temp[temp.length] = this.pendingNodes[i];
            }
        }

        this.pendingNodes = temp;

        if ( counter > 0 )
        {   return counter + this.processPendingNodes();
        }

        return counter;
        
    },



    /*
     * Method - showPendingNodes
     */
    showPendingNodes: function()
    {
        var str = "";
        for ( i in this.pendingNodes )
        {
           str += this.pendingNodes[i][0] + "-" + this.pendingNodes[i][1]["id"] + "-" + this.pendingNodes[i][1]["text"] + "\n";
        }

        alert(str);
    },


    /*
     * Method - clearItems
     */
    clearItems: function()
    {
        this.tree = new TTree();
        this.pendingNodes = new Array();
    },



    /*
     * Method - setValue
     */
    setValue: function( value )
    {
        this.value = value;
    }


});