/*
 * Ext JS Library 2.1
 * Copyright(c) 2006-2008, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://extjs.com/license
 */
var desktopApp;
Ext.Desktop = function(app) {
    desktopApp = app;
    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 shortcuts2 = Ext.get('x-shortcuts2');
    var shortcuts3 = Ext.get('x-shortcuts3');
    var shortcuts4 = Ext.get('x-shortcuts4');

    var windows = new Ext.WindowGroup();
    var activeWindow;

    function minimizeWin(win) {
        soundManager.play('minimize');
        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) {
        soundManager.play('close');
        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
            },
            'restore': {
                fn: function() { soundManager.play('restore'); }
            },
            'maximize': {
                fn: function() { soundManager.play('maximize'); }
            },
            'show': {
                fn: function() { soundManager.play('open'); }
            }
        });

        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) {
        shortcuts.on('click', function(e, t) {
            if (t = e.getTarget('dt', shortcuts)) {
                e.stopEvent();
                var module = app.getModule(t.id.replace('-shortcut', ''));
                if (module) {
                    module.createWindow();
                }
            }
        });
    }
    if (shortcuts2) {
        shortcuts2.on('click', function(e, t) {
            if (t = e.getTarget('dt', shortcuts2)) {
                e.stopEvent();
                var module = app.getModule(t.id.replace('-shortcut', ''));
                if (module) {
                    module.createWindow();
                }
            }
        });
    }
    if (shortcuts3) {
        shortcuts3.on('click', function(e, t) {
            if (t = e.getTarget('dt', shortcuts3)) {
                e.stopEvent();
                var module = app.getModule(t.id.replace('-shortcut', ''));
                if (module) {
                    module.createWindow();
                }
            }
        });
    }
    if (shortcuts4) {
        shortcuts4.on('click', function(e, t) {
            if (t = e.getTarget('dt', shortcuts4)) {
                e.stopEvent();
                var module = app.getModule(t.id.replace('-shortcut', ''));
                if (module) {
                    module.createWindow();
                }
            }
        });
    }
};

function showWindow(name) {
    desktopApp.getModule(name + '-win').createWindow();
    return false;
}