ChangePropertyCommand.java

/**
 * 
 */
package org.csstudio.sds.model.commands;

import org.csstudio.sds.model.WidgetProperty;
import org.eclipse.gef.commands.Command;

public class ChangePropertyCommand extends Command {
	private WidgetProperty property;
	private Object oldValue;
	private Object newValue;

	public ChangePropertyCommand(WidgetProperty property, Object newValue) {
		assert property != null;
		this.property = property;
		this.newValue = newValue;
	}

	@Override
	public void execute() {
		oldValue = property.getPropertyValue();
		property.setPropertyValue(newValue);
	}

	@Override
	public void undo() {
		property.setPropertyValue(oldValue);
	}

}