/* * @(#)NullHandle.java * * Project: JHotdraw - a GUI framework for technical drawings * http://www.jhotdraw.org * http://jhotdraw.sourceforge.net * Copyright: © by the original author(s) and all contributors * License: Lesser GNU Public License (LGPL) * http://www.opensource.org/licenses/lgpl-license.html */ package CH.ifa.draw.standard; import java.awt.*; import CH.ifa.draw.framework.*; /** * A handle that doesn't change the owned figure. Its only purpose is * to show feedback that a figure is selected. *
*
* NullObject
* NullObject enables to treat handles that don't do
* anything in the same way as other handles.
*
* @version <$CURRENT_VERSION$>
*/
public class NullHandle extends LocatorHandle {
/**
* The handle's locator.
*/
protected Locator fLocator;
public NullHandle(Figure owner, Locator locator) {
super(owner, locator);
}
/**
* Draws the NullHandle. NullHandles are drawn as a
* red framed rectangle.
*/
public void draw(Graphics g) {
Rectangle r = displayBox();
g.setColor(Color.black);
g.drawRect(r.x, r.y, r.width, r.height);
}
}