| /* |
| * Copyright 2002,2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.jelly.tags.swt; |
| |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Decorations; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.MenuItem; |
| import org.eclipse.swt.widgets.Widget; |
| |
| /** |
| * This tag creates an SWT Menu |
| * </p> |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version 1.1 |
| */ |
| public class MenuTag extends WidgetTag { |
| |
| /** The Log to which logging calls will be made. */ |
| private static final Log log = LogFactory.getLog(MenuTag.class); |
| |
| public MenuTag() { |
| super(Menu.class); |
| } |
| |
| public MenuTag(int style) { |
| super(Menu.class, style); |
| } |
| |
| // Implementation methods |
| //------------------------------------------------------------------------- |
| |
| /** |
| * Provides a strategy method to allow a new child widget to be attached to |
| * its parent |
| * |
| * @param parent is the parent widget which is never null |
| * @param widget is the new child widget to be attached to the parent |
| */ |
| protected void attachWidgets(Object parent, Widget widget) { |
| Menu menu = (Menu) widget; |
| if (parent instanceof Decorations) { |
| Decorations shell = (Decorations) parent; |
| shell.setMenuBar(menu); |
| } |
| else if (parent instanceof Control) { |
| Control control = (Control) parent; |
| control.setMenu(menu); |
| } |
| else if (parent instanceof MenuItem) { |
| MenuItem menuItem = (MenuItem) parent; |
| menuItem.setMenu(menu); |
| } |
| } |
| |
| /** |
| * @see org.apache.commons.jelly.tags.swt.WidgetTag#createWidget(java.lang.Class, org.eclipse.swt.widgets.Widget, int) |
| */ |
| protected Object createWidget(Class theClass, Widget parent, int style) |
| throws JellyTagException { |
| |
| if (parent instanceof Decorations) { |
| return super.createWidget(theClass, parent, style); |
| } |
| else { |
| if (parent instanceof Menu) { |
| return new Menu((Menu) parent); |
| } |
| else if (parent instanceof MenuItem) { |
| return new Menu((MenuItem) parent); |
| } |
| else if (parent instanceof Control) { |
| return new Menu((Control) parent); |
| } |
| else { |
| throw new JellyTagException("This tag must be nested inside a <shell>, <menu>, <menuItem> or control tag"); |
| } |
| } |
| } |
| |
| } |