| /* |
| * Copyright 2002-2008 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.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; |
| |
| /** |
| * 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(); |
| } |
| } |
| context.dispose(); |
| |
| SynthContext accContext = getContext(mi, Region.MENU_ITEM_ACCELERATOR, |
| ENABLED); |
| |
| accStyle = SynthLookAndFeel.updateStyle(accContext, this); |
| accContext.dispose(); |
| } |
| |
| /** |
| * @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); |
| context.dispose(); |
| style = null; |
| |
| SynthContext accContext = getContext(menuItem, |
| Region.MENU_ITEM_ACCELERATOR, ENABLED); |
| accStyle.uninstallDefaults(accContext); |
| accContext.dispose(); |
| 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) { |
| Region region = SynthLookAndFeel.getRegion(c); |
| return SynthContext.getContext(SynthContext.class, c, region, |
| 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(SynthContext.class, 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()); |
| context.dispose(); |
| accContext.dispose(); |
| return value; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @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); |
| context.dispose(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @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 {@code Graphics} object used for painting |
| */ |
| 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()); |
| accContext.dispose(); |
| } |
| |
| /** |
| * @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)) { |
| updateStyle((JMenu)e.getSource()); |
| } |
| } |
| } |