/*******************************************************************************
* Copyright (c) 2007, 2016 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
* Lars Vogel <Lars.Vogel@gmail.com> - Bug 440810
* Patrik Suzzi <psuzzi@gmail.com> - Bug 504090
******************************************************************************/
package org.eclipse.ui.internal;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.eclipse.core.commands.Command;
import org.eclipse.core.commands.ParameterizedCommand;
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 FilteredTableBaseHandler {
private PerspectiveLabelProvider labelProvider = new PerspectiveLabelProvider(
false);
@Override
protected Object getInput(WorkbenchPage page) {
List<IPerspectiveDescriptor> refs = Arrays.asList(page.getSortedPerspectives());
Collections.reverse(refs);
return refs;
}
@Override
protected ParameterizedCommand getBackwardCommand() {
final ICommandService commandService = window.getWorkbench().getService(ICommandService.class);
final Command command = commandService.getCommand(IWorkbenchCommandConstants.WINDOW_PREVIOUS_PERSPECTIVE);
ParameterizedCommand commandBack = new ParameterizedCommand(command, null);
return commandBack;
}
@Override
protected ParameterizedCommand getForwardCommand() {
final ICommandService commandService = window.getWorkbench().getService(ICommandService.class);
final Command command = commandService.getCommand(IWorkbenchCommandConstants.WINDOW_NEXT_PERSPECTIVE);
ParameterizedCommand commandF = new ParameterizedCommand(command, null);
return commandF;
}
@Override
protected String getTableHeader(IWorkbenchPart activePart) {
return WorkbenchMessages.CyclePerspectiveAction_header;
}
@Override
public void dispose() {
if (labelProvider!=null) {
labelProvider.dispose();
labelProvider = null;
}
super.dispose();
}
}