/*
* Beryl - A web platform based on XML, XSLT and Java
* This file is part of the Beryl XML GUI
*
* Copyright (C) 2004 Wenzel Jakob <wazlaf@tigris.org>
*
* This program 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 program 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 program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-3107 USA
*/
package org.beryl.gui.widgets;
import java.awt.Component;
import java.awt.event.MouseEvent;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import org.beryl.gui.GUIEvent;
import org.beryl.gui.GUIException;
import org.beryl.gui.Widget;
import org.beryl.gui.WidgetInfo;
public class PopupMenu extends Widget {
private static WidgetInfo popupMenuInfo = null;
private JPopupMenu popupMenu = null;
static {
popupMenuInfo = new WidgetInfo(PopupMenu.class, widgetInfo);
popupMenuInfo.setSupportsAnchor(false);
};
public PopupMenu(Widget parent, String name) throws GUIException {
super(parent, name);
popupMenu = new JPopupMenu();
}
public void addChild(Widget widget, Object constraint) throws GUIException {
if (widget instanceof MenuItem) {
popupMenu.add((JMenuItem)widget.getWidget());
addChild(widget);
} else if (widget instanceof Separator) {
Separator separator = (Separator) widget;
separator.menuSeparator = new JPopupMenu.Separator();
popupMenu.add(separator.menuSeparator);
addChild(widget);
} else {
throw new GUIException("Only MenuItem and Separator children allowed");
}
}
public void removeChildWidget(Widget widget) throws GUIException {
if (widget instanceof MenuItem)
popupMenu.remove((JMenuItem) widget.getWidget());
else if (widget instanceof Separator)
popupMenu.remove(((Separator) widget).menuSeparator);
super.removeChildWidget(widget);
}
/**
* Show the popup menu
* @param event The GUIEvent which documents the mouse right-click action
*/
public void popup(GUIEvent event) {
MouseEvent mouseEvent = (MouseEvent) event.getSwingEvent();
popupMenu.show(((Widget)event.getSource()).getRealWidget(), mouseEvent.getX(), mouseEvent.getY());
}
public Component getWidget() {
return popupMenu;
}
public WidgetInfo getWidgetInfo() {
return popupMenuInfo;
}
}