/************************************************************************************************************
This is a modified version for sfDoctrineTree to work with Prototype, Doctrine and Symfony.
It add code to work with Crtl-Click on Opera. (Opera does not allow context menus on Right-Click)
Author: Jacques Philip - 1998
************************************************************************************************************
Context menu
Copyright (C) 2006  DTHMLGoodies.com, Alf Magne Kalleland

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

Dhtmlgoodies.com., hereby disclaims all copyright interest in this script
written by Alf Magne Kalleland.

Alf Magne Kalleland, 2006
Owner of DHTMLgoodies.com


************************************************************************************************************/	

DHTMLGoodies_menuModel = function()
{
	var menuItems;
	this.menuItems = new Array();
	
	
}

DHTMLGoodies_menuModel.prototype = {
	addItem : function(id,itemText,itemIcon,url,parentId,jsFunction)
	{
		i = this.menuItems.length;
		this.menuItems[i] = new Array();
		this.menuItems[i]['id'] = id;
		this.menuItems[i]['itemText'] = itemText;
		this.menuItems[i]['itemIcon'] = itemIcon;
		this.menuItems[i]['url'] = url;
		this.menuItems[i]['parentId'] = parentId;
		this.menuItems[i]['separator'] = false;
		this.menuItems[i]['jsFunction'] = jsFunction;
		
	}	
	,
	addSeparator : function(id,parentId)
	{
		this.menuItems[id] = new Array();
		this.menuItems[id]['parentId'] = parentId;		
		this.menuItems[id]['separator'] = true;
	}	
	,
	init : function()
	{
		this.__getDepths();	
		
	}	
	,
	getItems : function()
	{
		return this.menuItems;
	}
		
	,
  __getDepths : function()
  {    	
  	for(var no = 0; no < this.menuItems.length; no++){
  		this.menuItems[no]['depth'] = 1;
  		if(this.menuItems[no]['parentId']){
  			this.menuItems[no]['depth'] = this.menuItems[this.menuItems[no]['parentId']]['depth']+1;
  		}    		
  	}    	
  }	
  ,
	__hasSubs : function(id)
	{
		for(var no = 0; no < this.menuItems.length; no++){	// Looping through menu items
			if(this.menuItems[no]['parentId']==id)return true;		
		}
		return false;	
	}
}



var referenceToDHTMLSuiteContextMenu;


DHTMLGoodies_contextMenu = function()
{
	var menuModels;
	var menuItems;	
	var menuObject;			// Reference to context menu div
	var layoutCSS;
	var menuUls;			// Array of <ul> elements
	var width;				// Width of context menu
	var srcElement;			// Reference to the element which triggered the context menu, i.e. the element which caused the context menu to be displayed.
	var indexCurrentlyDisplayedMenuModel;	// Index of currently displayed menu model.
	var imagePath;

	this.menuModels = new Array();
	this.menuObject = false;
	this.menuUls = new Array();
	this.width = 100;
	this.srcElement = false;
	this.indexCurrentlyDisplayedMenuModel = false;
	this.imagePath = '/sfDoctrineTreePlugin/images/';
	
	
}

DHTMLGoodies_contextMenu.prototype = 
{
	
	setWidth : function(newWidth)
	{
		this.width = newWidth;
	}
	,	
	setLayoutCss : function(cssFileName)
	{
		this.layoutCSS = cssFileName;	
	}	
	,	
	attachToElement : function(element,elementId,menuModel)
	{
		window.refToThisContextMenu = this;
		if(!element && elementId)element = document.getElementById(elementId);
		if(!element.id){
			element.id = 'context_menu' + Math.random();
			element.id = element.id.replace('.','');
		}
		this.menuModels[element.id] = menuModel;
		if(Prototype.Browser.Opera)
		  element.onclick = this.__displayContextMenu;
		else
      element.oncontextmenu = this.__displayContextMenu;
		//element.onmousedown = function() { window.refToThisContextMenu.__setReference(window.refToThisContextMenu); };
		document.documentElement.onclick = this.__hideContextMenu;
		
	}
	,
	__setReference : function(obj)
	{	
		referenceToDHTMLSuiteContextMenu = obj;	
	}
	,
	__displayContextMenu : function(e)
	{
	  if (Prototype.Browser.Opera) {
	    if (!e.ctrlKey)
        return;
      else
        Event.stop(e);  
    }
		if(document.all)e = event;		
		var ref = referenceToDHTMLSuiteContextMenu;
		ref.srcElement = ref.getSrcElement(e);
		
		if(!ref.indexCurrentlyDisplayedMenuModel || ref.indexCurrentlyDisplayedMenuModel!=this.id){		
				
			if(ref.indexCurrentlyDisplayedMenuModel){
				ref.menuObject.innerHTML = '';				
			}else{
				ref.__createDivs();
			}
			ref.menuItems = ref.menuModels[this.id].getItems();			
			ref.__createMenuItems();	
		}
		ref.indexCurrentlyDisplayedMenuModel=this.id;
		
		ref.menuObject.style.left = (e.clientX + Math.max(document.body.scrollLeft,document.documentElement.scrollLeft)) + 'px';
		ref.menuObject.style.top = (e.clientY + Math.max(document.body.scrollTop,document.documentElement.scrollTop)) + 'px';
		ref.menuObject.style.display='block';
		return false;
			
	}
	,
	__hideContextMenu : function()
	{
		var ref = referenceToDHTMLSuiteContextMenu;
		if(ref.menuObject)ref.menuObject.style.display = 'none';
		
		
	}
	,
	__createDivs : function()
	{
		this.menuObject = document.createElement('DIV');
		this.menuObject.className = 'DHTMLSuite_contextMenu';
		this.menuObject.style.backgroundImage = 'url(\'' + this.imagePath + 'context-menu-gradient.gif' + '\')';
		this.menuObject.style.backgroundRepeat = 'repeat-y';
		if(this.width)this.menuObject.style.width = this.width + 'px';
		document.body.appendChild(this.menuObject);
	}
	,
	__mouseOver : function()
	{
		this.className = 'DHTMLSuite_item_mouseover';	
		if(!document.all){
			this.style.backgroundPosition = 'left center';
		}
									
	}
	,
	__mouseOut : function()
	{
		this.className = '';
		if(!document.all){
			this.style.backgroundPosition = '1px center';
		}		
	}
	,
	__evalUrl : function()
	{
		var js = this.getAttribute('jsFunction');
		if(!js)js = this.jsFunction;
		if(js)eval(js);
		
	}
	,
	__createMenuItems : function()
	{
		window.refToContextMenu = this;	// Reference to menu strip object
		this.menuUls = new Array();
		for(var no = 0; no < this.menuItems.length; no++){	// Looping through menu items		
			if(!this.menuUls[0]){	// Create main ul element
				this.menuUls[0] = document.createElement('UL');
				this.menuObject.appendChild(this.menuUls[0]);
			}
			
			if(this.menuItems[no]['depth']==1){

				if(this.menuItems[no]['separator']){
					var li = document.createElement('DIV');
					li.className = 'DHTMLSuite_contextMenu_separator';
				}else{				
					var li = document.createElement('LI');
					if(this.menuItems[no]['jsFunction']){
						this.menuItems[no]['url'] = this.menuItems[no]['jsFunction'] + '(this,referenceToDHTMLSuiteContextMenu.srcElement)';
					}
					if(this.menuItems[no]['itemIcon']){
						li.style.backgroundImage = 'url(\'' + this.menuItems[no]['itemIcon'] + '\')';
						if(!document.all)li.style.backgroundPosition = '1px center';

					}
					
					if(this.menuItems[no]['url']){
						var url = this.menuItems[no]['url'] + '';
						var tmpUrl = url + '';
						li.setAttribute('jsFunction',url);
						li.jsFunction = url;
						li.onclick = this.__evalUrl;

					}
					
					li.innerHTML = '<a href="#" onclick="return false">' + this.menuItems[no]['itemText'] + '</a>';
					li.onmouseover = this.__mouseOver;
					li.onmouseout = this.__mouseOut;
				}				
				this.menuUls[0].appendChild(li);			
			}		
		}		
	}
	,
    getSrcElement : function(e)
    {
    	var el;
		// Dropped on which element
		if (e.target) el = e.target;
			else if (e.srcElement) el = e.srcElement;
			if (el.nodeType == 3) // defeat Safari bug
				el = el.parentNode;
		return el;	
    }
    	
}