| /* BasicRootPaneUI.java -- |
| Copyright (C) 2002, 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing.plaf.basic; |
| |
| import java.awt.event.ActionEvent; |
| import java.beans.PropertyChangeEvent; |
| import java.beans.PropertyChangeListener; |
| |
| import javax.swing.AbstractAction; |
| import javax.swing.ButtonModel; |
| import javax.swing.InputMap; |
| import javax.swing.JButton; |
| import javax.swing.JComponent; |
| import javax.swing.JRootPane; |
| import javax.swing.LookAndFeel; |
| import javax.swing.SwingUtilities; |
| import javax.swing.UIManager; |
| import javax.swing.plaf.ActionMapUIResource; |
| import javax.swing.plaf.ComponentInputMapUIResource; |
| import javax.swing.plaf.ComponentUI; |
| import javax.swing.plaf.RootPaneUI; |
| |
| public class BasicRootPaneUI extends RootPaneUI |
| implements PropertyChangeListener |
| { |
| |
| /** |
| * Performed when the user activates the default button inside the JRootPane, |
| * usually by pressing 'ENTER'. |
| */ |
| private class DefaultPressAction |
| extends AbstractAction |
| { |
| /** |
| * The JRootPane for which this action should be installed. |
| */ |
| private JRootPane rootPane; |
| |
| /** |
| * Creates a new DefaultPressAction for the specified JRootPane. |
| */ |
| DefaultPressAction(JRootPane rp) |
| { |
| rootPane = rp; |
| } |
| |
| /** |
| * Performes the action. |
| */ |
| public void actionPerformed(ActionEvent ev) |
| { |
| JButton b = rootPane.getDefaultButton(); |
| if (b != null) |
| { |
| ButtonModel m = b.getModel(); |
| m.setArmed(true); |
| m.setPressed(true); |
| } |
| } |
| } |
| |
| /** |
| * Performed when the user activates the default button inside the JRootPane, |
| * usually by releasing 'ENTER'. |
| */ |
| private class DefaultReleaseAction |
| extends AbstractAction |
| { |
| /** |
| * The JRootPane for which this action should be installed. |
| */ |
| private JRootPane rootPane; |
| |
| /** |
| * Creates a new DefaultReleaseAction for the specified JRootPane. |
| */ |
| DefaultReleaseAction(JRootPane rp) |
| { |
| rootPane = rp; |
| } |
| |
| /** |
| * Performes the action. |
| */ |
| public void actionPerformed(ActionEvent ev) |
| { |
| JButton b = rootPane.getDefaultButton(); |
| if (b != null) |
| { |
| ButtonModel m = b.getModel(); |
| m.setPressed(false); |
| m.setArmed(false); |
| } |
| } |
| } |
| |
| public static ComponentUI createUI(JComponent x) |
| { |
| return new BasicRootPaneUI(); |
| } |
| |
| public void installUI(JComponent c) |
| { |
| super.installUI(c); |
| if (c instanceof JRootPane) |
| { |
| JRootPane rp = (JRootPane) c; |
| installDefaults(rp); |
| installComponents(rp); |
| installListeners(rp); |
| installKeyboardActions(rp); |
| } |
| } |
| |
| /** |
| * Installs the look and feel defaults for JRootPane. |
| * |
| * @param rp the root pane to install the defaults to |
| */ |
| protected void installDefaults(JRootPane rp) |
| { |
| // TODO: What to do here, if anything? (might be a hook method) |
| } |
| |
| /** |
| * Installs additional look and feel components to the root pane. |
| * |
| * @param rp the root pane to install the components to |
| */ |
| protected void installComponents(JRootPane rp) |
| { |
| // All components are initialized in the JRootPane constructor, and since |
| // the createXXXPane methods are protected, I see no reasonable way, |
| // and no need to initialize them here. This method is here anyway |
| // for compatibility and to provide the necessary hooks to subclasses. |
| } |
| |
| /** |
| * Installs any look and feel specific listeners on the root pane. |
| * |
| * @param rp the root pane to install the listeners to |
| */ |
| protected void installListeners(JRootPane rp) |
| { |
| rp.addPropertyChangeListener(this); |
| } |
| |
| /** |
| * Installs look and feel keyboard actions on the root pane. |
| * |
| * @param rp the root pane to install the keyboard actions to |
| */ |
| protected void installKeyboardActions(JRootPane rp) |
| { |
| // Install the keyboard actions. |
| ActionMapUIResource am = new ActionMapUIResource(); |
| am.put("press", new DefaultPressAction(rp)); |
| am.put("release", new DefaultReleaseAction(rp)); |
| SwingUtilities.replaceUIActionMap(rp, am); |
| |
| // Install the input map from the UIManager. It seems like the actual |
| // bindings are installed in the JRootPane only when the defaultButton |
| // property receives a value. So we also only install an empty |
| // input map here, and fill it in propertyChange. |
| ComponentInputMapUIResource im = new ComponentInputMapUIResource(rp); |
| SwingUtilities.replaceUIInputMap(rp, JComponent.WHEN_IN_FOCUSED_WINDOW, |
| im); |
| } |
| |
| public void propertyChange(PropertyChangeEvent event) |
| { |
| JRootPane source = (JRootPane) event.getSource(); |
| String propertyName = event.getPropertyName(); |
| if (propertyName.equals("defaultButton")) |
| { |
| Object newValue = event.getNewValue(); |
| InputMap im = |
| SwingUtilities.getUIInputMap(source, |
| JComponent.WHEN_IN_FOCUSED_WINDOW); |
| if (newValue != null) |
| { |
| Object[] keybindings = (Object[]) UIManager.get( |
| "RootPane.defaultButtonWindowKeyBindings"); |
| LookAndFeel.loadKeyBindings(im, keybindings); |
| } |
| else |
| { |
| im.clear(); |
| } |
| } |
| } |
| |
| /** |
| * Uninstalls this UI from the root pane. This calls |
| * {@link #uninstallDefaults}, {@link #uninstallComponents}, |
| * {@link #uninstallListeners}, {@link #uninstallKeyboardActions} |
| * in this order. |
| * |
| * @param c the root pane to uninstall the UI from |
| */ |
| public void uninstallUI(JComponent c) |
| { |
| super.uninstallUI(c); |
| if (c instanceof JRootPane) |
| { |
| JRootPane rp = (JRootPane) c; |
| uninstallDefaults(rp); |
| uninstallComponents(rp); |
| uninstallListeners(rp); |
| uninstallKeyboardActions(rp); |
| } |
| } |
| |
| /** |
| * Uninstalls the look and feel defaults that have been installed in |
| * {@link #installDefaults}. |
| * |
| * @param rp the root pane to uninstall the defaults from |
| */ |
| protected void uninstallDefaults(JRootPane rp) |
| { |
| // We do nothing here. |
| } |
| |
| /** |
| * Uninstalls look and feel components from the root pane. |
| * |
| * @param rp the root pane to uninstall the components from |
| */ |
| protected void uninstallComponents(JRootPane rp) |
| { |
| // We do nothing here. |
| } |
| |
| /** |
| * Uninstalls any look and feel specific listeners from the root pane. |
| * |
| * @param rp the root pane to uninstall the listeners from |
| */ |
| protected void uninstallListeners(JRootPane rp) |
| { |
| rp.removePropertyChangeListener(this); |
| } |
| |
| /** |
| * Uninstalls look and feel keyboard actions from the root pane. |
| * |
| * @param rp the root pane to uninstall the keyboard actions from |
| */ |
| protected void uninstallKeyboardActions(JRootPane rp) |
| { |
| SwingUtilities.replaceUIActionMap(rp, null); |
| SwingUtilities.replaceUIInputMap(rp, JComponent.WHEN_IN_FOCUSED_WINDOW, |
| null); |
| } |
| } |