| /******************************************************************************* |
| * Copyright (c) 2005 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.tests.operations; |
| |
| import org.eclipse.core.commands.operations.AbstractOperation; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| |
| /** |
| * @since 3.1 |
| */ |
| public class TestOperation extends AbstractOperation { |
| |
| private int fExecutionCount = 0; |
| |
| TestOperation(String label) { |
| super(label); |
| } |
| |
| public boolean canRedo() { |
| return fExecutionCount == 0; |
| } |
| |
| public boolean canUndo() { |
| return fExecutionCount > 0; |
| } |
| |
| public IStatus execute(IProgressMonitor monitor, IAdaptable uiInfo) { |
| fExecutionCount++; |
| return Status.OK_STATUS; |
| } |
| |
| public IStatus redo(IProgressMonitor monitor, IAdaptable uiInfo) { |
| return execute(monitor, uiInfo); |
| } |
| |
| public IStatus undo(IProgressMonitor monitor, IAdaptable uiInfo) { |
| fExecutionCount--; |
| return Status.OK_STATUS; |
| } |
| |
| public void dispose() { |
| fExecutionCount = 0; |
| } |
| |
| } |