pjs/grendel/widgets/MenuBarCtrl.java

80 строки
2.2 KiB
Java

/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Grendel mail/news client.
*
* The Initial Developer of the Original Code is Giao Nguyen
* <grail@cafebabe.org>. Portions created by Giao Nguyen are Copyright
* (C) 1999 Giao Nguyen. All Rights Reserved.
*
* Contributors: Mauro Botelho <mabotelh@bellsouth.net>
*/
package grendel.widgets;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import java.util.Hashtable;
import java.util.Enumeration;
/**
* This is a menubar with a keyed lookup rather than a flat iteration model
* which JMenuBar by default uses.
*/
public class MenuBarCtrl extends JMenuBar implements Control {
protected Hashtable controls = new Hashtable();
protected Hashtable menus = new Hashtable();
/**
* Get the control by its name.
* @param name the control's name
* @return the widget
*/
public JMenuItem getCtrlByName(String name) {
JMenuItem item = (JMenuItem)controls.get(name);
// if it's not a toplevel item, it must be in one of the submenus
if (item == null) {
Enumeration e = controls.elements();
while (e.hasMoreElements()) {
Object o = e.nextElement();
if (o instanceof MenuCtrl) {
MenuCtrl c = (MenuCtrl)o;
item = (JMenuItem)(c.getItemByName(name));
if (item != null) {
break;
}
}
}
}
return item;
}
/**
* Add a control to the container.
* @param name the control's name
* @param component the control
*/
public void addItemByName(String name, JMenuItem component) {
controls.put(name, component);
add(component);
}
}