plugins/org.eclipse.viatra2.editor/src/org/eclipse/viatra2/treeeditor/actions/ViatraUndoAction.java

/*******************************************************************************
 * Copyright (c) 2004-2008 Istvan Rath and Daniel Varro
 * 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:
 *    Istvan Rath - initial API and implementation
 *******************************************************************************/

 package org.eclipse.viatra2.treeeditor.actions;


import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.ActionFactory;
import org.eclipse.viatra2.treeeditor.ViatraTreeEditor;

public class ViatraUndoAction extends ViatraRetargetAction {

	
	public ViatraUndoAction() {
		super(ActionFactory.UNDO.getId(), "Undo [ViatraEditor]");
		setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_TOOL_UNDO));
		setDisabledImageDescriptor(PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_TOOL_UNDO_DISABLED));
		setHoverImageDescriptor(PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_TOOL_UNDO_HOVER));
	}

	@Override
	public void run() {
		iVTE.getCommandStack().undo();
		//iVTE.setDirty();
	}

	@Override
	public void updateSelf(ViatraTreeEditor vte) {
		super.updateSelf(vte);
		setEnabled(iVTE.getCommandStack().isUndoable());
	}

}