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package gjt;
import java.awt.Event;
/**
* A controller for an ImageButtonPanel that ensures that only
* one ImageButton in its associated ImageButtonPanel is
* selected at a time.<p>
*
* @version 1.0, Apr 1 1996
* @author David Geary
* @see ImageButtonPanelController
* @see ImageButton
* @see ImageButtonPanel
* @see gjt.test.ToolbarTest
*/
class RadioImageButtonPanelController
extends ImageButtonPanelController {
ImageButton down;
public RadioImageButtonPanelController(
ImageButtonPanel panel) {
super(panel);
}
public boolean mouseDown(Event event, int x, int y) {
ImageButton button;
if(event.target instanceof ImageButton) {
button = (ImageButton)event.target;
if(down == button) return false;
if(down != null)
down.paintRaised();
down = button;
}
return false;
}
public boolean mouseUp(Event event, int x, int y) {
return false;
}
public boolean mouseDrag(Event event, int x, int y) {
return false;
}
}
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