/*
* Jajuk
* Copyright (C) The Jajuk Team
* http://jajuk.info
*
* 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
package org.jajuk.ui.widgets;
import java.awt.Dimension;
import java.awt.Rectangle;
import javax.swing.JComboBox;
import javax.swing.JScrollPane;
import javax.swing.ScrollPaneConstants;
import javax.swing.plaf.basic.BasicComboPopup;
/**
* Basic combo popup.
*
* @created 28 nov. 2003
*/
public class JajukBasicComboPopup extends BasicComboPopup {
/** Generated serialVersionUID. */
private static final long serialVersionUID = 1L;
/**
* Instantiates a new jajuk basic combo popup.
*
* @param jcb
*/
public JajukBasicComboPopup(JComboBox jcb) {
super(jcb);
}
/* (non-Javadoc)
* @see javax.swing.plaf.basic.BasicComboPopup#show()
*/
@Override
public void show() {
Dimension popupSize = ((SteppedComboBox) comboBox).getPopupSize();
popupSize.setSize(popupSize.width, getPopupHeightForRowCount(comboBox.getMaximumRowCount()));
Rectangle popupBounds = computePopupBounds(0, comboBox.getBounds().height, popupSize.width,
popupSize.height);
scroller.setMaximumSize(popupBounds.getSize());
scroller.setPreferredSize(popupBounds.getSize());
scroller.setMinimumSize(popupBounds.getSize());
list.invalidate();
int selectedIndex = comboBox.getSelectedIndex();
if (selectedIndex == -1) {
list.clearSelection();
} else {
list.setSelectedIndex(selectedIndex);
}
list.ensureIndexIsVisible(list.getSelectedIndex());
setLightWeightPopupEnabled(comboBox.isLightWeightPopupEnabled());
show(comboBox, popupBounds.x, popupBounds.y);
}
/* (non-Javadoc)
* @see javax.swing.plaf.basic.BasicComboPopup#createScroller()
*/
@Override
protected JScrollPane createScroller() {
return new JScrollPane(list, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
}
}