ScrollToVisibleFocusListener.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2015 The Gridarta Developers.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package net.sf.gridarta.gui.dialog.gameobjectattributes;
 
import java.awt.Component;
import java.awt.Rectangle;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import javax.swing.JComponent;
 
public class ScrollToVisibleFocusListener implements FocusListener {
 
    @Override
    public void focusGained(final FocusEvent e) {
        final Component c = e.getComponent();
        final JComponent p = (JComponent) c.getParent();
        final Rectangle r = c.getBounds();
        p.scrollRectToVisible(r);
    }
 
    @Override
    public void focusLost(final FocusEvent e) {
    }
 
}