| /******************************************************************************* |
| * Copyright (c) 2006, 2007 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.quickaccess; |
| |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.eclipse.core.commands.Command; |
| import org.eclipse.core.commands.ParameterizedCommand; |
| import org.eclipse.core.commands.common.NotDefinedException; |
| import org.eclipse.core.expressions.IEvaluationContext; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.commands.ICommandService; |
| import org.eclipse.ui.handlers.IHandlerService; |
| import org.eclipse.ui.internal.IWorkbenchGraphicConstants; |
| import org.eclipse.ui.internal.WorkbenchImages; |
| import org.eclipse.ui.internal.handlers.HandlerService; |
| |
| /** |
| * @since 3.3 |
| * |
| */ |
| public class CommandProvider extends QuickAccessProvider { |
| |
| private Map idToElement; |
| private IEvaluationContext contextSnapshot; |
| private HandlerService realHandlerService; |
| |
| public CommandProvider() { |
| // initialize eagerly |
| saveApplicationContext(); |
| getElements(); |
| } |
| |
| public String getId() { |
| return "org.eclipse.ui.commands"; //$NON-NLS-1$ |
| } |
| |
| public QuickAccessElement getElementForId(String id) { |
| getElements(); |
| return (CommandElement) idToElement.get(id); |
| } |
| |
| public QuickAccessElement[] getElements() { |
| if (idToElement == null) { |
| idToElement = new HashMap(); |
| ICommandService commandService = (ICommandService) PlatformUI |
| .getWorkbench().getService(ICommandService.class); |
| final Collection commandIds = commandService.getDefinedCommandIds(); |
| final Iterator commandIdItr = commandIds.iterator(); |
| while (commandIdItr.hasNext()) { |
| final String currentCommandId = (String) commandIdItr.next(); |
| final Command command = commandService |
| .getCommand(currentCommandId); |
| if (command != null && command.isHandled() |
| && command.isEnabled()) { |
| try { |
| Collection combinations = ParameterizedCommand |
| .generateCombinations(command); |
| for (Iterator it = combinations.iterator(); it |
| .hasNext();) { |
| ParameterizedCommand pc = (ParameterizedCommand) it.next(); |
| String id = pc.serialize(); |
| idToElement.put(id, |
| new CommandElement(pc, id, this)); |
| } |
| } catch (final NotDefinedException e) { |
| // It is safe to just ignore undefined commands. |
| } |
| } |
| } |
| } |
| return (QuickAccessElement[]) idToElement.values().toArray( |
| new QuickAccessElement[idToElement.values().size()]); |
| } |
| |
| public ImageDescriptor getImageDescriptor() { |
| return WorkbenchImages |
| .getImageDescriptor(IWorkbenchGraphicConstants.IMG_OBJ_NODE); |
| } |
| |
| public String getName() { |
| return QuickAccessMessages.QuickAccess_Commands; |
| } |
| |
| private void saveApplicationContext() { |
| realHandlerService = (HandlerService) PlatformUI.getWorkbench().getService(IHandlerService.class); |
| contextSnapshot = realHandlerService.getFullContextSnapshot(); |
| } |
| |
| HandlerService getRealHandlerService() { |
| return realHandlerService; |
| } |
| |
| IEvaluationContext getContextSnapshot() { |
| return contextSnapshot; |
| } |
| } |