| /******************************************************************************* |
| * Copyright (c) 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.keys; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.eclipse.core.commands.ParameterizedCommand; |
| import org.eclipse.core.commands.common.NotDefinedException; |
| import org.eclipse.jface.bindings.Binding; |
| import org.eclipse.jface.bindings.BindingManager; |
| import org.eclipse.jface.bindings.Scheme; |
| import org.eclipse.jface.bindings.TriggerSequence; |
| import org.eclipse.jface.bindings.keys.SWTKeySupport; |
| import org.eclipse.jface.bindings.keys.formatting.KeyFormatterFactory; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.ui.commands.ICommandService; |
| import org.eclipse.ui.internal.Workbench; |
| import org.eclipse.ui.keys.IBindingService; |
| |
| /** |
| * <p> |
| * Provides services related to the binding architecture (e.g., keyboard |
| * shortcuts) within the workbench. This service can be used to access the |
| * currently active bindings, as well as the current state of the binding |
| * architecture. |
| * </p> |
| * |
| * @since 3.1 |
| */ |
| public final class BindingService implements IBindingService { |
| |
| /** |
| * The binding manager that supports this service. This value is never |
| * <code>null</code>. |
| */ |
| private final BindingManager bindingManager; |
| |
| /** |
| * The persistence class responsible for bindings. |
| */ |
| private final BindingPersistence bindingPersistence; |
| |
| /** |
| * The key binding support for the contexts. In the workbench, key bindings |
| * are intimately tied to the context mechanism. |
| */ |
| private WorkbenchKeyboard keyboard; |
| |
| /** |
| * Constructs a new instance of <code>BindingService</code> using a JFace |
| * binding manager. |
| * |
| * @param bindingManager |
| * The bind ing manager to use; must not be <code>null</code>. |
| * @param commandService |
| * The command service providing support for this service; must |
| * not be <code>null</code>; |
| * @param workbench |
| * The workbench on which this context service will act; must not |
| * be <code>null</code>. |
| */ |
| public BindingService(final BindingManager bindingManager, |
| final ICommandService commandService, final Workbench workbench) { |
| if (bindingManager == null) { |
| throw new NullPointerException( |
| "Cannot create a binding service with a null manager"); //$NON-NLS-1$ |
| } |
| if (commandService == null) { |
| throw new NullPointerException( |
| "Cannot create a binding service with a null command service"); //$NON-NLS-1$ |
| } |
| this.bindingManager = bindingManager; |
| this.bindingPersistence = new BindingPersistence(bindingManager, |
| commandService); |
| |
| // Hook up the key binding support. |
| keyboard = new WorkbenchKeyboard(workbench); |
| final Display display = workbench.getDisplay(); |
| final Listener listener = keyboard.getKeyDownFilter(); |
| display.addFilter(SWT.KeyDown, listener); |
| display.addFilter(SWT.Traverse, listener); |
| |
| // Initialize the key formatter. |
| KeyFormatterFactory.setDefault(SWTKeySupport |
| .getKeyFormatterForPlatform()); |
| } |
| |
| /** |
| * TODO Promote this method to API. |
| * <p> |
| * Adds a single new binding to the existing array of bindings. If the array |
| * is currently <code>null</code>, then a new array is created and this |
| * binding is added to it. This method does not detect duplicates. |
| * </p> |
| * <p> |
| * This method completes in amortized <code>O(1)</code>. |
| * </p> |
| * |
| * @param binding |
| * The binding to be added; must not be <code>null</code>. |
| */ |
| public final void addBinding(final Binding binding) { |
| bindingManager.addBinding(binding); |
| } |
| |
| public final void dispose() { |
| bindingPersistence.dispose(); |
| } |
| |
| public final TriggerSequence[] getActiveBindingsFor( |
| final ParameterizedCommand parameterizedCommand) { |
| return bindingManager.getActiveBindingsFor(parameterizedCommand); |
| } |
| |
| public final TriggerSequence[] getActiveBindingsFor(final String commandId) { |
| return bindingManager.getActiveBindingsFor(commandId); |
| } |
| |
| public final Scheme getActiveScheme() { |
| return bindingManager.getActiveScheme(); |
| } |
| |
| public final TriggerSequence getBestActiveBindingFor(final String commandId) { |
| return bindingManager.getBestActiveBindingFor(commandId); |
| } |
| |
| public final String getBestActiveBindingFormattedFor(final String commandId) { |
| return bindingManager.getBestActiveBindingFormattedFor(commandId); |
| } |
| |
| public final Binding[] getBindings() { |
| return bindingManager.getBindings(); |
| } |
| |
| public final TriggerSequence getBuffer() { |
| return keyboard.getBuffer(); |
| } |
| |
| public final String getDefaultSchemeId() { |
| return BindingPersistence.getDefaultSchemeId(); |
| } |
| |
| public final Scheme[] getDefinedSchemes() { |
| return bindingManager.getDefinedSchemes(); |
| } |
| |
| /** |
| * Returns the key binding architecture for the workbench. This method is |
| * internal, and is only intended for testing. This must not be used by |
| * clients. |
| * |
| * @return The key binding support; never <code>null</code>. |
| */ |
| public final WorkbenchKeyboard getKeyboard() { |
| return keyboard; |
| } |
| |
| public final String getLocale() { |
| return bindingManager.getLocale(); |
| } |
| |
| public final Map getPartialMatches(final TriggerSequence trigger) { |
| return bindingManager.getPartialMatches(trigger); |
| } |
| |
| public final Binding getPerfectMatch(final TriggerSequence trigger) { |
| return bindingManager.getPerfectMatch(trigger); |
| } |
| |
| public final String getPlatform() { |
| return bindingManager.getPlatform(); |
| } |
| |
| public final Scheme getScheme(final String schemeId) { |
| return bindingManager.getScheme(schemeId); |
| } |
| |
| public final boolean isKeyFilterEnabled() { |
| return keyboard.getKeyDownFilter().isEnabled(); |
| } |
| |
| public final boolean isPartialMatch(final TriggerSequence sequence) { |
| return bindingManager.isPartialMatch(sequence); |
| } |
| |
| public final boolean isPerfectMatch(final TriggerSequence sequence) { |
| return bindingManager.isPerfectMatch(sequence); |
| } |
| |
| public final void openKeyAssistDialog() { |
| keyboard.openMultiKeyAssistShell(); |
| } |
| |
| public final void readRegistryAndPreferences( |
| final ICommandService commandService) { |
| bindingPersistence.read(); |
| } |
| |
| public final void savePreferences(final Scheme activeScheme, |
| final Binding[] bindings) throws IOException { |
| BindingPersistence.write(activeScheme, bindings); |
| try { |
| bindingManager.setActiveScheme(activeScheme); |
| } catch (final NotDefinedException e) { |
| // The active scheme is not currently defined. |
| } |
| bindingManager.setBindings(bindings); |
| } |
| |
| public final void setKeyFilterEnabled(final boolean enabled) { |
| keyboard.getKeyDownFilter().setEnabled(enabled); |
| } |
| |
| } |