| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to you 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.pivot.wtk; |
| |
| import org.apache.pivot.collections.LinkedList; |
| import org.apache.pivot.collections.Sequence; |
| import org.apache.pivot.util.ListenerList; |
| |
| /** |
| * Container class representing a decorated frame window. |
| */ |
| public class Frame extends Window { |
| private static class FrameListenerList extends WTKListenerList<FrameListener> implements |
| FrameListener { |
| @Override |
| public void menuBarChanged(Frame frame, MenuBar previousMenuBar) { |
| for (FrameListener listener : this) { |
| listener.menuBarChanged(frame, previousMenuBar); |
| } |
| } |
| } |
| |
| private MenuBar menuBar = null; |
| |
| private FrameListenerList frameListeners = new FrameListenerList(); |
| |
| public Frame() { |
| this(null, null); |
| } |
| |
| public Frame(String title) { |
| this(title, null); |
| } |
| |
| public Frame(Component content) { |
| this(null, content); |
| } |
| |
| public Frame(String title, Component content) { |
| super(content); |
| |
| setTitle(title); |
| installSkin(Frame.class); |
| } |
| |
| public MenuBar getMenuBar() { |
| return menuBar; |
| } |
| |
| public void setMenuBar(MenuBar menuBar) { |
| MenuBar previousMenuBar = this.menuBar; |
| |
| if (previousMenuBar != menuBar) { |
| this.menuBar = menuBar; |
| |
| if (previousMenuBar != null) { |
| remove(previousMenuBar); |
| } |
| |
| if (menuBar != null) { |
| add(menuBar); |
| } |
| |
| frameListeners.menuBarChanged(this, previousMenuBar); |
| } |
| } |
| |
| @Override |
| public void moveToFront() { |
| super.moveToFront(); |
| requestActive(); |
| } |
| |
| @Override |
| protected void descendantGainedFocus(Component descendant, Component previousFocusedComponent) { |
| if (menuBar != null) { |
| LinkedList<Component> path = new LinkedList<>(); |
| |
| Component ancestor = descendant; |
| while (!(ancestor instanceof Display)) { |
| path.insert(ancestor, 0); |
| ancestor = ancestor.getParent(); |
| } |
| |
| for (Component component : path) { |
| MenuHandler menuHandler = component.getMenuHandler(); |
| |
| if (menuHandler != null) { |
| menuHandler.configureMenuBar(component, menuBar); |
| } |
| } |
| } |
| |
| super.descendantGainedFocus(descendant, previousFocusedComponent); |
| } |
| |
| @Override |
| protected void descendantLostFocus(Component descendant) { |
| if (menuBar != null) { |
| LinkedList<Component> path = new LinkedList<>(); |
| |
| Component ancestor = descendant; |
| while (!(ancestor instanceof Display)) { |
| path.insert(ancestor, 0); |
| ancestor = ancestor.getParent(); |
| } |
| |
| for (Component component : path) { |
| MenuHandler menuHandler = component.getMenuHandler(); |
| |
| if (menuHandler != null) { |
| menuHandler.cleanupMenuBar(component, menuBar); |
| } |
| } |
| } |
| |
| super.descendantLostFocus(descendant); |
| } |
| |
| @Override |
| public Sequence<Component> remove(int index, int count) { |
| for (int i = index, n = index + count; i < n; i++) { |
| Component component = get(i); |
| if (component == menuBar) { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| |
| // Call the base method to remove the components |
| return super.remove(index, count); |
| } |
| |
| public ListenerList<FrameListener> getFrameListeners() { |
| return frameListeners; |
| } |
| } |