/*
 * Ext JS Library 2.2.1
 * Copyright(c) 2006-2009, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://extjs.com/license
 */

Ext.Desktop = function(app){

	// ****************Move*****************//
	new Ext.dd.DD("grid-win-shortcut");
	new Ext.dd.DD("acc-win-shortcut");	
	new Ext.dd.DD("twitter-win-shortcut");	
	new Ext.dd.DD("friendfeed-link-shortcut");	
	new Ext.dd.DD("fanfou-link-shortcut");	
	new Ext.dd.DD("douban-link-shortcut");	
	new Ext.dd.DD("facebook-link-shortcut");	
	new Ext.dd.DD("lastfm-link-shortcut");		
	new Ext.dd.DD("blog-link-shortcut");
	new Ext.dd.DD("qq-link-shortcut");
	
	// ******************ContextMenu***************//
	var mainCxt = new Ext.menu.Menu({
		id : "mainCxt",
		items : [{
			id : "FebirdMainWindow",
			text : "我的简介"
		}, "-", {
			handler : refresh,
			text : "刷新"
		}, {
			id : "DesktopAttributeWin",
			text : "属性",
			handler:startMenuSettings
		}]
	});

	Ext.get("x-desktop").on("contextmenu", function(e) {
		e.preventDefault();
		mainCxt.showAt(e.getPoint());
	});
	// *********************************//

	this.taskbar = new Ext.ux.TaskBar(app);
	var taskbar = this.taskbar;
	
	var desktopEl = Ext.get('x-desktop');
    var taskbarEl = Ext.get('ux-taskbar');
    var shortcuts = Ext.get('x-shortcuts');

    var windows = new Ext.WindowGroup();
    var activeWindow;
		
    function minimizeWin(win){
        win.minimized = true;
        win.hide();
    }

    function markActive(win){
        if(activeWindow && activeWindow != win){
            markInactive(activeWindow);
        }
        taskbar.setActiveButton(win.taskButton);
        activeWindow = win;
        Ext.fly(win.taskButton.el).addClass('active-win');
        win.minimized = false;
    }

    function markInactive(win){
        if(win == activeWindow){
            activeWindow = null;
            Ext.fly(win.taskButton.el).removeClass('active-win');
        }
    }

    function removeWin(win){
    	taskbar.removeTaskButton(win.taskButton);
        layout();
    }

    function layout(){
        desktopEl.setHeight(Ext.lib.Dom.getViewHeight()-taskbarEl.getHeight());
    }
    Ext.EventManager.onWindowResize(layout);

    this.layout = layout;

    this.createWindow = function(config, cls){
    	var win = new (cls||Ext.Window)(
            Ext.applyIf(config||{}, {
                manager: windows,
                minimizable: true,
                maximizable: true
            })
        );
        win.render(desktopEl);
        win.taskButton = taskbar.addTaskButton(win);

        win.cmenu = new Ext.menu.Menu({
            items: [

            ]
        });

        win.animateTarget = win.taskButton.el;
        
        win.on({
        	'activate': {
        		fn: markActive
        	},
        	'beforeshow': {
        		fn: markActive
        	},
        	'deactivate': {
        		fn: markInactive
        	},
        	'minimize': {
        		fn: minimizeWin
        	},
        	'close': {
        		fn: removeWin
        	}
        });
        
        layout();
        return win;
    };

    this.getManager = function(){
        return windows;
    };

    this.getWindow = function(id){
        return windows.get(id);
    }
    
    this.getWinWidth = function(){
		var width = Ext.lib.Dom.getViewWidth();
		return width < 200 ? 200 : width;
	}
		
	this.getWinHeight = function(){
		var height = (Ext.lib.Dom.getViewHeight()-taskbarEl.getHeight());
		return height < 100 ? 100 : height;
	}
		
	this.getWinX = function(width){
		return (Ext.lib.Dom.getViewWidth() - width) / 2
	}
		
	this.getWinY = function(height){
		return (Ext.lib.Dom.getViewHeight()-taskbarEl.getHeight() - height) / 2;
	}

    layout();

    if(shortcuts){
	    // dblclick 双击, click 单击
        shortcuts.on('dblclick', function(e, t){
            if(t = e.getTarget('dt', shortcuts)){
                e.stopEvent();


                var link = e.getTarget('a',3);
                if(link.target == "_blank"){
                   window.open(link.href);
                   return false;
                  
                }

                var module = app.getModule(t.id.replace('-shortcut', ''));
                if(module){
                    module.createWindow();
                }

            }
        });

        shortcuts.on('click', function(e, t){
          e.stopEvent();
        });
       
    }
	
	// **********************Context Menu Event **********************************//
	Ext.getCmp('FebirdMainWindow').on('click', function() {
		var module = app.getModule('self-win');
		if (module) {
			module.createWindow();
		}
	});

};