| /* |
| * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.swing.plaf.synth; |
| |
| import javax.swing.*; |
| import javax.swing.plaf.*; |
| import javax.swing.plaf.basic.*; |
| import java.awt.Graphics; |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeEvent; |
| |
| /** |
| * Provides the Synth L&F UI delegate for |
| * {@link javax.swing.JPopupMenu}. |
| * |
| * @author Georges Saab |
| * @author David Karlton |
| * @author Arnaud Weber |
| * @since 1.7 |
| */ |
| public class SynthPopupMenuUI extends BasicPopupMenuUI |
| implements PropertyChangeListener, SynthUI { |
| private SynthStyle style; |
| |
| /** |
| * Creates a new UI object for the given component. |
| * |
| * @param x component to create UI object for |
| * @return the UI object |
| */ |
| public static ComponentUI createUI(JComponent x) { |
| return new SynthPopupMenuUI(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void installDefaults() { |
| if (popupMenu.getLayout() == null || |
| popupMenu.getLayout() instanceof UIResource) { |
| popupMenu.setLayout(new SynthMenuLayout(popupMenu, BoxLayout.Y_AXIS)); |
| } |
| updateStyle(popupMenu); |
| } |
| |
| private void updateStyle(JComponent c) { |
| SynthContext context = getContext(c, ENABLED); |
| SynthStyle oldStyle = style; |
| style = SynthLookAndFeel.updateStyle(context, this); |
| if (style != oldStyle) { |
| if (oldStyle != null) { |
| uninstallKeyboardActions(); |
| installKeyboardActions(); |
| } |
| } |
| context.dispose(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void installListeners() { |
| super.installListeners(); |
| popupMenu.addPropertyChangeListener(this); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void uninstallDefaults() { |
| SynthContext context = getContext(popupMenu, ENABLED); |
| |
| style.uninstallDefaults(context); |
| context.dispose(); |
| style = null; |
| |
| if (popupMenu.getLayout() instanceof UIResource) { |
| popupMenu.setLayout(null); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void uninstallListeners() { |
| super.uninstallListeners(); |
| popupMenu.removePropertyChangeListener(this); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public SynthContext getContext(JComponent c) { |
| return getContext(c, getComponentState(c)); |
| } |
| |
| private SynthContext getContext(JComponent c, int state) { |
| return SynthContext.getContext(SynthContext.class, c, |
| SynthLookAndFeel.getRegion(c), style, state); |
| } |
| |
| private int getComponentState(JComponent c) { |
| return SynthLookAndFeel.getComponentState(c); |
| } |
| |
| /** |
| * Notifies this UI delegate to repaint the specified component. |
| * This method paints the component background, then calls |
| * the {@link #paint(SynthContext,Graphics)} method. |
| * |
| * <p>In general, this method does not need to be overridden by subclasses. |
| * All Look and Feel rendering code should reside in the {@code paint} method. |
| * |
| * @param g the {@code Graphics} object used for painting |
| * @param c the component being painted |
| * @see #paint(SynthContext,Graphics) |
| */ |
| @Override |
| public void update(Graphics g, JComponent c) { |
| SynthContext context = getContext(c); |
| |
| SynthLookAndFeel.update(context, g); |
| context.getPainter().paintPopupMenuBackground(context, |
| g, 0, 0, c.getWidth(), c.getHeight()); |
| paint(context, g); |
| context.dispose(); |
| } |
| |
| /** |
| * Paints the specified component according to the Look and Feel. |
| * <p>This method is not used by Synth Look and Feel. |
| * Painting is handled by the {@link #paint(SynthContext,Graphics)} method. |
| * |
| * @param g the {@code Graphics} object used for painting |
| * @param c the component being painted |
| * @see #paint(SynthContext,Graphics) |
| */ |
| @Override |
| public void paint(Graphics g, JComponent c) { |
| SynthContext context = getContext(c); |
| |
| paint(context, g); |
| context.dispose(); |
| } |
| |
| /** |
| * Paints the specified component. This implementation does nothing. |
| * |
| * @param context context for the component being painted |
| * @param g the {@code Graphics} object used for painting |
| * @see #update(Graphics,JComponent) |
| */ |
| protected void paint(SynthContext context, Graphics g) { |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void paintBorder(SynthContext context, Graphics g, int x, |
| int y, int w, int h) { |
| context.getPainter().paintPopupMenuBorder(context, g, x, y, w, h); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void propertyChange(PropertyChangeEvent e) { |
| if (SynthLookAndFeel.shouldUpdateStyle(e)) { |
| updateStyle(popupMenu); |
| } |
| } |
| } |