/*
* Copyright (c) 2001-2008 JGoodies Karsten Lentzsch. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* o Neither the name of JGoodies Karsten Lentzsch nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jgoodies.looks.plastic;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.BoxLayout;
import javax.swing.JComponent;
import javax.swing.LookAndFeel;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.UIResource;
import javax.swing.plaf.basic.BasicPopupMenuUI;
import com.jgoodies.looks.Options;
import com.jgoodies.looks.common.PopupMenuLayout;
/**
* The JGoodies Plastic look&feel implementation of <code>PopMenuUI</code>.
* It differs from the superclass in that it provides an option to get a
* narrow border. You can set a client property
* {@link Options#NO_MARGIN_KEY} to indicate that this popup menu
* has a border without margin. That is useful in the special case
* where the popup contains only a single component, for example
* a JScrollPane.
*
* @author Karsten Lentzsch
* @version $Revision: 1.6 $
*
* @see com.jgoodies.looks.Options#NO_MARGIN_KEY
*/
public final class PlasticPopupMenuUI extends BasicPopupMenuUI {
private PropertyChangeListener borderListener;
public static ComponentUI createUI(JComponent b) {
return new PlasticPopupMenuUI();
}
public void installDefaults() {
super.installDefaults();
installBorder();
if ( (popupMenu.getLayout() == null)
|| (popupMenu.getLayout() instanceof UIResource)) {
popupMenu.setLayout(new PopupMenuLayout(popupMenu, BoxLayout.Y_AXIS));
}
}
protected void installListeners() {
super.installListeners();
borderListener = new BorderStyleChangeHandler();
popupMenu.addPropertyChangeListener(Options.NO_MARGIN_KEY, borderListener);
}
protected void uninstallListeners() {
popupMenu.removePropertyChangeListener(Options.NO_MARGIN_KEY, borderListener);
super.uninstallListeners();
}
// Narrow Border **********************************************************
private final class BorderStyleChangeHandler implements PropertyChangeListener {
public void propertyChange(PropertyChangeEvent e) {
installBorder();
}
}
/**
* Installs a border without margin, iff the client property
* <code>Options.NO_MARGIN_KEY</code> is set to <code>Boolean.TRUE</code>.
*/
private void installBorder() {
boolean useNarrowBorder = Boolean.TRUE.equals(
popupMenu.getClientProperty(Options.NO_MARGIN_KEY));
String suffix = useNarrowBorder ? "noMarginBorder" : "border";
LookAndFeel.installBorder(popupMenu, "PopupMenu." + suffix);
}
}