| /* |
| * Copyright (c) 2003, 2007, 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 sun.awt.im; |
| |
| import java.awt.AWTException; |
| import java.awt.CheckboxMenuItem; |
| import java.awt.Component; |
| import java.awt.Container; |
| import java.awt.PopupMenu; |
| import java.awt.Menu; |
| import java.awt.MenuItem; |
| import java.awt.Toolkit; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.awt.im.spi.InputMethodDescriptor; |
| import java.util.Locale; |
| import javax.swing.JCheckBoxMenuItem; |
| import javax.swing.JComponent; |
| import javax.swing.JDialog; |
| import javax.swing.JFrame; |
| import javax.swing.JPopupMenu; |
| import javax.swing.JMenu; |
| import javax.swing.JMenuItem; |
| |
| /** |
| * <code>InputMethodPopupMenu</code> provides the popup selection menu |
| */ |
| |
| abstract class InputMethodPopupMenu implements ActionListener { |
| |
| // Factory method to provide the menu, depending on the client, i.e., |
| // provide Swing popup menu if client is a swing app, otherwise AWT popup |
| // is created. |
| static InputMethodPopupMenu getInstance(Component client, String title) { |
| if ((client instanceof JFrame) || |
| (client instanceof JDialog)) { |
| return new JInputMethodPopupMenu(title); |
| } else { |
| return new AWTInputMethodPopupMenu(title); |
| } |
| } |
| |
| abstract void show(Component c, int x, int y); |
| |
| abstract void removeAll(); |
| |
| abstract void addSeparator(); |
| |
| abstract void addToComponent(Component c); |
| |
| abstract Object createSubmenu(String label); |
| |
| abstract void add(Object menuItem); |
| |
| abstract void addMenuItem(String label, String command, String currentSelection); |
| |
| abstract void addMenuItem(Object targetMenu, String label, String command, |
| String currentSelection); |
| |
| void addOneInputMethodToMenu(InputMethodLocator locator, String currentSelection) { |
| InputMethodDescriptor descriptor = locator.getDescriptor(); |
| String label = descriptor.getInputMethodDisplayName(null, Locale.getDefault()); |
| String command = locator.getActionCommandString(); |
| Locale[] locales = null; |
| int localeCount; |
| try { |
| locales = descriptor.getAvailableLocales(); |
| localeCount = locales.length; |
| } catch (AWTException e) { |
| // ??? should have better error handling - |
| // tell user what happened, then remove this input method from the list. |
| // For the time being, just show it disabled. |
| localeCount = 0; |
| } |
| if (localeCount == 0) { |
| // could be IIIMP adapter which has lost its connection |
| addMenuItem(label, null, currentSelection); |
| } else if (localeCount == 1) { |
| if (descriptor.hasDynamicLocaleList()) { |
| // try to make sure that what the user sees and what |
| // we eventually select is consistent even if the locale |
| // list changes in the meantime |
| label = descriptor.getInputMethodDisplayName(locales[0], Locale.getDefault()); |
| command = locator.deriveLocator(locales[0]).getActionCommandString(); |
| } |
| addMenuItem(label, command, currentSelection); |
| } else { |
| Object submenu = createSubmenu(label); |
| add(submenu); |
| for (int j = 0; j < localeCount; j++) { |
| Locale locale = locales[j]; |
| String subLabel = getLocaleName(locale); |
| String subCommand = locator.deriveLocator(locale).getActionCommandString(); |
| addMenuItem(submenu, subLabel, subCommand, currentSelection); |
| } |
| } |
| } |
| |
| /** |
| * Returns whether command indicates the same input method as currentSelection, |
| * taking into account that command may not specify a locale where currentSelection does. |
| */ |
| static boolean isSelected(String command, String currentSelection) { |
| if (command == null || currentSelection == null) { |
| return false; |
| } |
| if (command.equals(currentSelection)) { |
| return true; |
| } |
| // currentSelection may indicate a locale where command does not |
| int index = currentSelection.indexOf('\n'); |
| if (index != -1 && currentSelection.substring(0, index).equals(command)) { |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Returns a localized locale name for input methods with the |
| * given locale. It falls back to Locale.getDisplayName() and |
| * then to Locale.toString() if no localized locale name is found. |
| * |
| * @param locale Locale for which localized locale name is obtained |
| */ |
| String getLocaleName(Locale locale) { |
| String localeString = locale.toString(); |
| String localeName = Toolkit.getProperty("AWT.InputMethodLanguage." + localeString, null); |
| if (localeName == null) { |
| localeName = locale.getDisplayName(); |
| if (localeName == null || localeName.length() == 0) |
| localeName = localeString; |
| } |
| return localeName; |
| } |
| |
| // ActionListener implementation |
| public void actionPerformed(ActionEvent event) { |
| String choice = event.getActionCommand(); |
| ((ExecutableInputMethodManager)InputMethodManager.getInstance()).changeInputMethod(choice); |
| } |
| |
| } |
| |
| class JInputMethodPopupMenu extends InputMethodPopupMenu { |
| static JPopupMenu delegate = null; |
| |
| JInputMethodPopupMenu(String title) { |
| synchronized (this) { |
| if (delegate == null) { |
| delegate = new JPopupMenu(title); |
| } |
| } |
| } |
| |
| void show(Component c, int x, int y) { |
| delegate.show(c, x, y); |
| } |
| |
| void removeAll() { |
| delegate.removeAll(); |
| } |
| |
| void addSeparator() { |
| delegate.addSeparator(); |
| } |
| |
| void addToComponent(Component c) { |
| } |
| |
| Object createSubmenu(String label) { |
| return new JMenu(label); |
| } |
| |
| void add(Object menuItem) { |
| delegate.add((JMenuItem)menuItem); |
| } |
| |
| void addMenuItem(String label, String command, String currentSelection) { |
| addMenuItem(delegate, label, command, currentSelection); |
| } |
| |
| void addMenuItem(Object targetMenu, String label, String command, String currentSelection) { |
| JMenuItem menuItem; |
| if (isSelected(command, currentSelection)) { |
| menuItem = new JCheckBoxMenuItem(label, true); |
| } else { |
| menuItem = new JMenuItem(label); |
| } |
| menuItem.setActionCommand(command); |
| menuItem.addActionListener(this); |
| menuItem.setEnabled(command != null); |
| if (targetMenu instanceof JMenu) { |
| ((JMenu)targetMenu).add(menuItem); |
| } else { |
| ((JPopupMenu)targetMenu).add(menuItem); |
| } |
| } |
| |
| } |
| |
| class AWTInputMethodPopupMenu extends InputMethodPopupMenu { |
| static PopupMenu delegate = null; |
| |
| AWTInputMethodPopupMenu(String title) { |
| synchronized (this) { |
| if (delegate == null) { |
| delegate = new PopupMenu(title); |
| } |
| } |
| } |
| |
| void show(Component c, int x, int y) { |
| delegate.show(c, x, y); |
| } |
| |
| void removeAll() { |
| delegate.removeAll(); |
| } |
| |
| void addSeparator() { |
| delegate.addSeparator(); |
| } |
| |
| void addToComponent(Component c) { |
| c.add(delegate); |
| } |
| |
| Object createSubmenu(String label) { |
| return new Menu(label); |
| } |
| |
| void add(Object menuItem) { |
| delegate.add((MenuItem)menuItem); |
| } |
| |
| void addMenuItem(String label, String command, String currentSelection) { |
| addMenuItem(delegate, label, command, currentSelection); |
| } |
| |
| void addMenuItem(Object targetMenu, String label, String command, String currentSelection) { |
| MenuItem menuItem; |
| if (isSelected(command, currentSelection)) { |
| menuItem = new CheckboxMenuItem(label, true); |
| } else { |
| menuItem = new MenuItem(label); |
| } |
| menuItem.setActionCommand(command); |
| menuItem.addActionListener(this); |
| menuItem.setEnabled(command != null); |
| ((Menu)targetMenu).add(menuItem); |
| } |
| } |