/*******************************************************************************
* Copyright (c) 2003, 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.gef.examples.logicdesigner.model.commands;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.examples.logicdesigner.LogicMessages;
import org.eclipse.gef.examples.logicdesigner.model.LogicGuide;
import org.eclipse.gef.examples.logicdesigner.model.LogicRuler;
/**
* @author Pratik Shah
*/
public class CreateGuideCommand extends Command {
private LogicGuide guide;
private LogicRuler parent;
private int position;
public CreateGuideCommand(LogicRuler parent, int position) {
super(LogicMessages.CreateGuideCommand_Label);
this.parent = parent;
this.position = position;
}
public boolean canUndo() {
return true;
}
public void execute() {
if (guide == null)
guide = new LogicGuide(!parent.isHorizontal());
guide.setPosition(position);
parent.addGuide(guide);
}
public void undo() {
parent.removeGuide(guide);
}
}