diff -r 077ebe3d0d24 -r f1d133b09a8c components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/swing/AutoHidePanel.java --- a/components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/swing/AutoHidePanel.java Tue Dec 16 05:53:51 2014 -0800 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,166 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ - -/* - * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved. - */ - -package com.oracle.solaris.vp.util.swing; - -import java.awt.*; -import java.awt.event.*; -import javax.swing.JPanel; - -/** - * The {@code AutoHidePanel} is a {@code JPanel} whose visibility is - * automatically set to {@code false} when it contains no visible child {@code - * Component}s, {@code true} otherwise. - */ -@SuppressWarnings({"serial"}) -public class AutoHidePanel extends JPanel { - public static class AutoHideListener implements ContainerListener { - // - // Instance data - // - - private ComponentListener CHILD_LISTENER = - new ComponentAdapter() { - @Override - public void componentHidden(ComponentEvent event) { - Component comp = event.getComponent(); - setVisible(comp.getParent()); - } - - @Override - public void componentShown(ComponentEvent event) { - Component comp = event.getComponent(); - setVisible(comp.getParent()); - } - }; - - // - // ContainerListener methods - // - - @Override - public void componentAdded(ContainerEvent event) { - event.getChild().addComponentListener(CHILD_LISTENER); - setVisible(event.getContainer()); - } - - @Override - public void componentRemoved(ContainerEvent event) { - event.getChild().removeComponentListener(CHILD_LISTENER); - setVisible(event.getContainer()); - } - - // - // AutoHideListener methods - // - - public void deinit(Container container) { - container.removeContainerListener(this); - for (Component comp : container.getComponents()) { - comp.removeComponentListener(CHILD_LISTENER); - } - } - - public void init(Container container) { - container.addContainerListener(this); - for (Component comp : container.getComponents()) { - comp.addComponentListener(CHILD_LISTENER); - } - setVisible(container); - } - - // - // Private methods - // - - /** - * Sets the visibility of the given {@code Container} based on whether - * it has any visible child {@code Component}s. - */ - private void setVisible(Container container) { - boolean visible = false; - for (Component comp : container.getComponents()) { - if (comp.isVisible()) { - visible = true; - break; - } - } - container.setVisible(visible); - } - } - - // - // Static data - // - - private static final AutoHideListener LISTENER = new AutoHideListener(); - - // - // Constructors - // - - public AutoHidePanel() { - init(); - } - - public AutoHidePanel(boolean isDoubleBuffered) { - super(isDoubleBuffered); - init(); - } - - public AutoHidePanel(LayoutManager layout) { - super(layout); - init(); - } - - public AutoHidePanel(LayoutManager layout, boolean isDoubleBuffered) { - super(layout, isDoubleBuffered); - init(); - } - - // - // Private methods - // - - private void init() { - autoHide(this); - } - - // - // Static methods - // - - /** - * Add an {@link AutoHideListener} to the given {@code Container} to - * automatically set its visibility whenever its text or icon properties - * change. - * - * @return the added {@link AutoHideListener} - */ - public static AutoHideListener autoHide(Container container) { - LISTENER.init(container); - return LISTENER; - } -}