diff options
Diffstat (limited to 'swtmenubar/src/com/android/menubar/MenuBarEnhancer.java')
| -rw-r--r-- | swtmenubar/src/com/android/menubar/MenuBarEnhancer.java | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/swtmenubar/src/com/android/menubar/MenuBarEnhancer.java b/swtmenubar/src/com/android/menubar/MenuBarEnhancer.java deleted file mode 100644 index 7ca6471..0000000 --- a/swtmenubar/src/com/android/menubar/MenuBarEnhancer.java +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * Licensed under the Eclipse Public License, Version 1.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.eclipse.org/org/documents/epl-v10.php - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.android.menubar; - -import org.eclipse.jface.action.IAction; -import org.eclipse.jface.action.IMenuManager; -import org.eclipse.jface.action.Separator; -import org.eclipse.swt.SWT; -import org.eclipse.swt.events.SelectionAdapter; -import org.eclipse.swt.events.SelectionEvent; -import org.eclipse.swt.widgets.Display; -import org.eclipse.swt.widgets.Menu; -import org.eclipse.swt.widgets.MenuItem; - - -/** - * On Mac, {@link MenuBarEnhancer#setupMenu} plugs a listener on the About and the - * Preferences menu items of the standard "application" menu in the menu bar. - * On Windows or Linux, it adds relevant items to a given {@link Menu} linked to - * the same listeners. - */ -public final class MenuBarEnhancer { - - private MenuBarEnhancer() { - } - - /** - * Creates an instance of {@link IMenuBarEnhancer} specific to the current platform - * and invoke its {@link IMenuBarEnhancer#setupMenu} to updates the menu bar. - * <p/> - * Depending on the platform, this will either hook into the existing About menu item - * and a Preferences or Options menu item or add new ones to the given {@code swtMenu}. - * Depending on the platform, the menu items might be decorated with the - * given {@code appName}. - * <p/> - * Potential errors are reported through {@link IMenuBarCallback}. - * - * @param appName Name used for the About menu item and similar. Must not be null. - * @param swtMenu For non-mac platform this is the menu where the "About" and - * the "Options" menu items are created. Typically the menu might be - * called "Tools". Must not be null. - * @param callbacks Callbacks called when "About" and "Preferences" menu items are invoked. - * Must not be null. - * @return A actual {@link IMenuBarEnhancer} implementation. Never null. - * This is currently not of any use for the caller but is left in case - * we want to expand the functionality later. - */ - public static IMenuBarEnhancer setupMenu( - String appName, - final Menu swtMenu, - IMenuBarCallback callbacks) { - - IMenuBarEnhancer enhancer = getEnhancer(callbacks); - - // Default implementation for generic platforms - if (enhancer == null) { - enhancer = new IMenuBarEnhancer() { - - public MenuBarMode getMenuBarMode() { - return MenuBarMode.GENERIC; - } - - public void setupMenu( - String appName, - Display display, - final IMenuBarCallback callbacks) { - if (swtMenu.getItemCount() > 0) { - new MenuItem(swtMenu, SWT.SEPARATOR); - } - - // Note: we use "Preferences" on Mac and "Options" on Windows/Linux. - final MenuItem pref = new MenuItem(swtMenu, SWT.NONE); - pref.setText("&Options..."); - - final MenuItem about = new MenuItem(swtMenu, SWT.NONE); - about.setText("&About..."); - - pref.addSelectionListener(new SelectionAdapter() { - @Override - public void widgetSelected(SelectionEvent e) { - try { - pref.setEnabled(false); - callbacks.onPreferencesMenuSelected(); - super.widgetSelected(e); - } finally { - pref.setEnabled(true); - } - } - }); - - about.addSelectionListener(new SelectionAdapter() { - @Override - public void widgetSelected(SelectionEvent e) { - try { - about.setEnabled(false); - callbacks.onAboutMenuSelected(); - super.widgetSelected(e); - } finally { - about.setEnabled(true); - } - } - }); - } - }; - } - - enhancer.setupMenu(appName, swtMenu.getDisplay(), callbacks); - return enhancer; - } - - - public static IMenuBarEnhancer setupMenuManager( - String appName, - Display display, - final IMenuManager menuManager, - final IAction aboutAction, - final IAction preferencesAction, - final IAction quitAction) { - - IMenuBarCallback callbacks = new IMenuBarCallback() { - public void printError(String format, Object... args) { - System.err.println(String.format(format, args)); - } - - public void onPreferencesMenuSelected() { - if (preferencesAction != null) { - preferencesAction.run(); - } - } - - public void onAboutMenuSelected() { - if (aboutAction != null) { - aboutAction.run(); - } - } - }; - - IMenuBarEnhancer enhancer = getEnhancer(callbacks); - - // Default implementation for generic platforms - if (enhancer == null) { - enhancer = new IMenuBarEnhancer() { - - public MenuBarMode getMenuBarMode() { - return MenuBarMode.GENERIC; - } - - public void setupMenu( - String appName, - Display display, - final IMenuBarCallback callbacks) { - if (!menuManager.isEmpty()) { - menuManager.add(new Separator()); - } - - if (aboutAction != null) { - menuManager.add(aboutAction); - } - if (preferencesAction != null) { - menuManager.add(preferencesAction); - } - if (quitAction != null) { - if (aboutAction != null || preferencesAction != null) { - menuManager.add(new Separator()); - } - menuManager.add(quitAction); - } - } - }; - } - - enhancer.setupMenu(appName, display, callbacks); - return enhancer; - } - - private static IMenuBarEnhancer getEnhancer(IMenuBarCallback callbacks) { - IMenuBarEnhancer enhancer = null; - String p = SWT.getPlatform(); - String className = null; - if ("cocoa".equals(p)) { //$NON-NLS-1$ - className = "com.android.menubar.internal.MenuBarEnhancerCocoa"; //$NON-NLS-1$ - } - - if (System.getenv("DEBUG_SWTMENUBAR") != null) { - callbacks.printError("DEBUG SwtMenuBar: SWT=%1$s, class=%2$s", p, className); - } - - if (className != null) { - try { - Class<?> clazz = Class.forName(className); - enhancer = (IMenuBarEnhancer) clazz.newInstance(); - } catch (Exception e) { - // Log an error and fallback on the default implementation. - callbacks.printError( - "Failed to instantiate %1$s: %2$s", //$NON-NLS-1$ - className, - e.toString()); - } - } - return enhancer; - } -} |