| /******************************************************************************* |
| * Copyright (c) 2007, 2009 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; |
| |
| import org.eclipse.core.commands.Command; |
| import org.eclipse.core.commands.ParameterizedCommand; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.TableItem; |
| import org.eclipse.ui.IPerspectiveDescriptor; |
| import org.eclipse.ui.IWorkbenchCommandConstants; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.commands.ICommandService; |
| import org.eclipse.ui.model.PerspectiveLabelProvider; |
| |
| /** |
| * This handler is used to switch between perspectives using the keyboard. |
| * <p> |
| * Replacement for CyclePerspectiveAction |
| * </p> |
| * |
| * @since 3.3 |
| */ |
| public class CyclePerspectiveHandler extends CycleBaseHandler { |
| private PerspectiveLabelProvider labelProvider = new PerspectiveLabelProvider( |
| false); |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.CycleBaseHandler#addItems(org.eclipse.swt.widgets.Table, org.eclipse.ui.internal.WorkbenchPage) |
| */ |
| protected void addItems(Table table, WorkbenchPage page) { |
| IPerspectiveDescriptor perspectives[] = page.getSortedPerspectives(); |
| for (int i = perspectives.length - 1; i >= 0; i--) { |
| TableItem item = new TableItem(table, SWT.NONE); |
| IPerspectiveDescriptor desc = perspectives[i]; |
| String text = labelProvider.getText(desc); |
| if(text == null) { |
| text = "";//$NON-NLS-1$ |
| } |
| item.setText(text); |
| item.setImage(labelProvider.getImage(desc)); |
| item.setData(desc); |
| } |
| |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.CycleBaseHandler#getBackwardCommand() |
| */ |
| protected ParameterizedCommand getBackwardCommand() { |
| final ICommandService commandService = (ICommandService) window.getWorkbench().getService(ICommandService.class); |
| final Command command = commandService.getCommand(IWorkbenchCommandConstants.WINDOW_PREVIOUS_PERSPECTIVE); |
| ParameterizedCommand commandBack = new ParameterizedCommand(command, null); |
| return commandBack; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.CycleBaseHandler#getForwardCommand() |
| */ |
| protected ParameterizedCommand getForwardCommand() { |
| final ICommandService commandService = (ICommandService) window.getWorkbench().getService(ICommandService.class); |
| final Command command = commandService.getCommand(IWorkbenchCommandConstants.WINDOW_NEXT_PERSPECTIVE); |
| ParameterizedCommand commandF = new ParameterizedCommand(command, null); |
| return commandF; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.CycleBaseHandler#getTableHeader() |
| */ |
| protected String getTableHeader(IWorkbenchPart activePart) { |
| return WorkbenchMessages.CyclePerspectiveAction_header; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.commands.AbstractHandler#dispose() |
| */ |
| public void dispose() { |
| if (labelProvider!=null) { |
| labelProvider.dispose(); |
| labelProvider = null; |
| } |
| super.dispose(); |
| } |
| } |