| /* | |
| * 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 java.awt.*; | |
| import java.beans.*; | |
| import javax.swing.*; | |
| import javax.swing.plaf.*; | |
| import javax.swing.plaf.basic.*; | |
| import sun.swing.MenuItemLayoutHelper; | |
| /** | |
| * Provides the Synth L&F UI delegate for | |
| * {@link javax.swing.JMenu}. | |
| * | |
| * @author Georges Saab | |
| * @author David Karlton | |
| * @author Arnaud Weber | |
| * @since 1.7 | |
| */ | |
| public class SynthMenuUI extends BasicMenuUI | |
| implements PropertyChangeListener, SynthUI { | |
| private SynthStyle style; | |
| private SynthStyle accStyle; | |
| /** | |
| * | |
| * Constructs a {@code SynthMenuUI}. | |
| */ | |
| public SynthMenuUI() {} | |
| /** | |
| * 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 SynthMenuUI(); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| @Override | |
| protected void installDefaults() { | |
| updateStyle(menuItem); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| @Override | |
| protected void installListeners() { | |
| super.installListeners(); | |
| menuItem.addPropertyChangeListener(this); | |
| } | |
| private void updateStyle(JMenuItem mi) { | |
| SynthStyle oldStyle = style; | |
| SynthContext context = getContext(mi, ENABLED); | |
| style = SynthLookAndFeel.updateStyle(context, this); | |
| if (oldStyle != style) { | |
| String prefix = getPropertyPrefix(); | |
| defaultTextIconGap = style.getInt( | |
| context, prefix + ".textIconGap", 4); | |
| if (menuItem.getMargin() == null || | |
| (menuItem.getMargin() instanceof UIResource)) { | |
| Insets insets = (Insets)style.get(context, prefix + ".margin"); | |
| if (insets == null) { | |
| // Some places assume margins are non-null. | |
| insets = SynthLookAndFeel.EMPTY_UIRESOURCE_INSETS; | |
| } | |
| menuItem.setMargin(insets); | |
| } | |
| acceleratorDelimiter = style.getString(context, prefix + | |
| ".acceleratorDelimiter", "+"); | |
| if (MenuItemLayoutHelper.useCheckAndArrow(menuItem)) { | |
| checkIcon = style.getIcon(context, prefix + ".checkIcon"); | |
| arrowIcon = style.getIcon(context, prefix + ".arrowIcon"); | |
| } else { | |
| // Not needed in this case | |
| checkIcon = null; | |
| arrowIcon = null; | |
| } | |
| ((JMenu)menuItem).setDelay(style.getInt(context, prefix + | |
| ".delay", 200)); | |
| if (oldStyle != null) { | |
| uninstallKeyboardActions(); | |
| installKeyboardActions(); | |
| } | |
| } | |
| SynthContext accContext = getContext(mi, Region.MENU_ITEM_ACCELERATOR, | |
| ENABLED); | |
| accStyle = SynthLookAndFeel.updateStyle(accContext, this); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| @Override | |
| public void uninstallUI(JComponent c) { | |
| super.uninstallUI(c); | |
| // Remove values from the parent's Client Properties. | |
| JComponent p = MenuItemLayoutHelper.getMenuItemParent((JMenuItem) c); | |
| if (p != null) { | |
| p.putClientProperty( | |
| SynthMenuItemLayoutHelper.MAX_ACC_OR_ARROW_WIDTH, null); | |
| } | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| @Override | |
| protected void uninstallDefaults() { | |
| SynthContext context = getContext(menuItem, ENABLED); | |
| style.uninstallDefaults(context); | |
| style = null; | |
| SynthContext accContext = getContext(menuItem, | |
| Region.MENU_ITEM_ACCELERATOR, ENABLED); | |
| accStyle.uninstallDefaults(accContext); | |
| accStyle = null; | |
| super.uninstallDefaults(); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| @Override | |
| protected void uninstallListeners() { | |
| super.uninstallListeners(); | |
| menuItem.removePropertyChangeListener(this); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| @Override | |
| public SynthContext getContext(JComponent c) { | |
| return getContext(c, getComponentState(c)); | |
| } | |
| SynthContext getContext(JComponent c, int state) { | |
| return SynthContext.getContext(c, style, state); | |
| } | |
| SynthContext getContext(JComponent c, Region region) { | |
| return getContext(c, region, getComponentState(c, region)); | |
| } | |
| private SynthContext getContext(JComponent c, Region region, int state) { | |
| return SynthContext.getContext(c, region, accStyle, state); | |
| } | |
| private int getComponentState(JComponent c) { | |
| int state; | |
| if (!c.isEnabled()) { | |
| return DISABLED; | |
| } | |
| if (menuItem.isArmed()) { | |
| state = MOUSE_OVER; | |
| } | |
| else { | |
| state = SynthLookAndFeel.getComponentState(c); | |
| } | |
| if (menuItem.isSelected()) { | |
| state |= SELECTED; | |
| } | |
| return state; | |
| } | |
| private int getComponentState(JComponent c, Region region) { | |
| return getComponentState(c); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| @Override | |
| protected Dimension getPreferredMenuItemSize(JComponent c, | |
| Icon checkIcon, | |
| Icon arrowIcon, | |
| int defaultTextIconGap) { | |
| SynthContext context = getContext(c); | |
| SynthContext accContext = getContext(c, Region.MENU_ITEM_ACCELERATOR); | |
| Dimension value = SynthGraphicsUtils.getPreferredMenuItemSize( | |
| context, accContext, c, checkIcon, arrowIcon, | |
| defaultTextIconGap, acceleratorDelimiter, | |
| MenuItemLayoutHelper.useCheckAndArrow(menuItem), | |
| getPropertyPrefix()); | |
| return value; | |
| } | |
| /** | |
| * 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().paintMenuBackground(context, | |
| g, 0, 0, c.getWidth(), c.getHeight()); | |
| paint(context, g); | |
| } | |
| /** | |
| * 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); | |
| } | |
| /** | |
| * 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) { | |
| SynthContext accContext = getContext(menuItem, | |
| Region.MENU_ITEM_ACCELERATOR); | |
| // Refetch the appropriate check indicator for the current state | |
| String prefix = getPropertyPrefix(); | |
| Icon checkIcon = style.getIcon(context, prefix + ".checkIcon"); | |
| Icon arrowIcon = style.getIcon(context, prefix + ".arrowIcon"); | |
| SynthGraphicsUtils.paint(context, accContext, g, checkIcon, arrowIcon, | |
| acceleratorDelimiter, defaultTextIconGap, getPropertyPrefix()); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| @Override | |
| public void paintBorder(SynthContext context, Graphics g, int x, | |
| int y, int w, int h) { | |
| context.getPainter().paintMenuBorder(context, g, x, y, w, h); | |
| } | |
| /** | |
| * {@inheritDoc} | |
| */ | |
| @Override | |
| public void propertyChange(PropertyChangeEvent e) { | |
| if (SynthLookAndFeel.shouldUpdateStyle(e) || | |
| (e.getPropertyName().equals("ancestor") && UIManager.getBoolean("Menu.useMenuBarForTopLevelMenus"))) { | |
| updateStyle((JMenu)e.getSource()); | |
| } | |
| } | |
| } |