/*******************************************************************************
* Copyright (c) 2011, 2014 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 org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.MessageDialogWithToggle;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.ui.IPerspectiveDescriptor;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.internal.WorkbenchMessages;
import org.eclipse.ui.internal.WorkbenchPage;
import org.eclipse.ui.internal.registry.PerspectiveDescriptor;
import org.eclipse.ui.internal.registry.PerspectiveRegistry;
/**
* @since 3.5
*
*/
public class ResetPerspectiveHandler extends AbstractHandler {
@Override
public Object execute(ExecutionEvent event) {
IWorkbenchWindow activeWorkbenchWindow = HandlerUtil.getActiveWorkbenchWindow(event);
if (activeWorkbenchWindow != null) {
WorkbenchPage page = (WorkbenchPage) activeWorkbenchWindow.getActivePage();
if (page != null) {
IPerspectiveDescriptor descriptor = page.getPerspective();
if (descriptor != null) {
boolean offerRevertToBase = false;
if (descriptor instanceof PerspectiveDescriptor) {
PerspectiveDescriptor desc = (PerspectiveDescriptor) descriptor;
offerRevertToBase = desc.isPredefined() && desc.hasCustomDefinition();
}
if (offerRevertToBase) {
String message = NLS.bind(WorkbenchMessages.RevertPerspective_message,
descriptor.getLabel());
boolean toggleState = false;
MessageDialogWithToggle dialog = MessageDialogWithToggle.open(
MessageDialog.QUESTION, activeWorkbenchWindow.getShell(),
WorkbenchMessages.RevertPerspective_title, message,
WorkbenchMessages.RevertPerspective_option, toggleState, null,
null, SWT.SHEET);
if (dialog.getReturnCode() == IDialogConstants.YES_ID) {
if (dialog.getToggleState()) {
PerspectiveRegistry reg = (PerspectiveRegistry) PlatformUI
.getWorkbench().getPerspectiveRegistry();
reg.revertPerspective(descriptor);
}
page.resetPerspective();
}
} else {
String message = NLS.bind(WorkbenchMessages.ResetPerspective_message,
descriptor.getLabel());
boolean result = MessageDialog.open(MessageDialog.QUESTION,
activeWorkbenchWindow.getShell(),
WorkbenchMessages.ResetPerspective_title, message, SWT.SHEET);
if (result) {
page.resetPerspective();
}
}
}
}
}
return null;
}
}