| /******************************************************************************* |
| * Copyright (c) 2007, 2008 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.handlers; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.commands.ICommandService; |
| import org.eclipse.ui.commands.IElementUpdater; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.WorkbenchWindow; |
| import org.eclipse.ui.internal.services.IWorkbenchLocationService; |
| import org.eclipse.ui.menus.UIElement; |
| import org.eclipse.ui.services.IServiceScopes; |
| |
| /** |
| * Handler that toggles the visibility of the coolbar/perspective bar in a given |
| * window. |
| * |
| * @since 3.3 |
| */ |
| public class ToggleCoolbarHandler extends AbstractHandler implements |
| IElementUpdater { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands. |
| * ExecutionEvent) |
| */ |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| final IWorkbenchWindow activeWorkbenchWindow = HandlerUtil |
| .getActiveWorkbenchWindowChecked(event); |
| if (activeWorkbenchWindow instanceof WorkbenchWindow) { |
| WorkbenchWindow window = (WorkbenchWindow) activeWorkbenchWindow; |
| window.toggleToolbarVisibility(); |
| ICommandService commandService = (ICommandService) activeWorkbenchWindow |
| .getService(ICommandService.class); |
| Map filter = new HashMap(); |
| filter.put(IServiceScopes.WINDOW_SCOPE, window); |
| commandService.refreshElements(event.getCommand().getId(), filter); |
| } |
| |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.ui.commands.IElementUpdater#updateElement(org.eclipse.ui. |
| * menus.UIElement, java.util.Map) |
| */ |
| public void updateElement(UIElement element, Map parameters) { |
| IWorkbenchLocationService wls = (IWorkbenchLocationService) element |
| .getServiceLocator() |
| .getService(IWorkbenchLocationService.class); |
| IWorkbenchWindow window = wls.getWorkbenchWindow(); |
| if (window == null || !(window instanceof WorkbenchWindow)) |
| return; |
| element |
| .setText(isCoolbarVisible((WorkbenchWindow) window) ? WorkbenchMessages.ToggleCoolbarVisibilityAction_hide_text |
| : WorkbenchMessages.ToggleCoolbarVisibilityAction_show_text); |
| } |
| |
| /** |
| * Return whether the coolbar is currently visible. |
| * |
| * @param window |
| * the window to test |
| * @return whether or not the coolbar is visible |
| */ |
| private boolean isCoolbarVisible(WorkbenchWindow window) { |
| return window.getCoolBarVisible() || window.getPerspectiveBarVisible(); |
| } |
| } |