SetConstraintCommand.java example

Explorer
windowtester-master
/*******************************************************************************
 * Copyright (c) 2000, 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.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;

import org.eclipse.gef.examples.logicdesigner.LogicMessages;
import org.eclipse.gef.examples.logicdesigner.model.LogicSubpart;

public class SetConstraintCommand
	extends org.eclipse.gef.commands.Command
{

private Point newPos;
private Dimension newSize;
private Point oldPos;
private Dimension oldSize;
private LogicSubpart part;

public void execute() {
	oldSize = part.getSize();
	oldPos  = part.getLocation();
	redo();
}

public String getLabel() {
	if (oldSize.equals(newSize))
		return LogicMessages.SetLocationCommand_Label_Location;
	return LogicMessages.SetLocationCommand_Label_Resize;
}

public void redo() {
	part.setSize(newSize);
	part.setLocation(newPos);
}

public void setLocation(Rectangle r) {
	setLocation(r.getLocation());
	setSize(r.getSize());
}

public void setLocation(Point p) {
	newPos = p;
}

public void setPart(LogicSubpart part) {
	this.part = part;
}

public void setSize(Dimension p) {
	newSize = p;
}

public void undo() {
	part.setSize(oldSize);
	part.setLocation(oldPos);
}

}