/*******************************************************************************
 * 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.IAdvancedUndoableOperation;
import org.eclipse.core.commands.operations.IOperationHistory;
import org.eclipse.core.commands.operations.OperationHistoryEvent;
import org.eclipse.core.commands.operations.OperationStatus;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;

/**
 * @since 3.1
 */
public class AdvancedTestOperation extends TestOperation implements
		IAdvancedUndoableOperation {

	static final int INFO = 0;

	static final int ERROR = 1;

	static final int WARNING = 2;

	public int status = 0;

	public AdvancedTestOperation() {
		super("A very long string that exceeds the menu label limit");
	}

	public void aboutToNotify(OperationHistoryEvent event) {
		// do nothing
	}

	public Object[] getAffectedObjects() {
		return null;
	}

	public IStatus computeUndoableStatus(IProgressMonitor monitor) {
		switch (status) {
		case INFO:
			return IOperationHistory.NOTHING_TO_UNDO_STATUS;
		case ERROR:
			return IOperationHistory.OPERATION_INVALID_STATUS;
		case WARNING:
			return new OperationStatus(IStatus.WARNING, "org.eclipse.ui.tests", 0, "Undo warning message", null); //$NON-NLS-1$
		}
		return Status.OK_STATUS;
	}

	public IStatus computeRedoableStatus(IProgressMonitor monitor) {
		switch (status) {
		case INFO:
			return IOperationHistory.NOTHING_TO_REDO_STATUS;
		case ERROR:
			return IOperationHistory.OPERATION_INVALID_STATUS;
		case WARNING:
			return new OperationStatus(IStatus.WARNING, "org.eclipse.ui.tests", 0, "Redo warning message", null); //$NON-NLS-1$
		}
		return Status.OK_STATUS;
	}

}