001: /*
002: * Copyright (c) 2001-2007 JGoodies Karsten Lentzsch. All Rights Reserved.
003: *
004: * Redistribution and use in source and binary forms, with or without
005: * modification, are permitted provided that the following conditions are met:
006: *
007: * o Redistributions of source code must retain the above copyright notice,
008: * this list of conditions and the following disclaimer.
009: *
010: * o Redistributions in binary form must reproduce the above copyright notice,
011: * this list of conditions and the following disclaimer in the documentation
012: * and/or other materials provided with the distribution.
013: *
014: * o Neither the name of JGoodies Karsten Lentzsch nor the names of
015: * its contributors may be used to endorse or promote products derived
016: * from this software without specific prior written permission.
017: *
018: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
019: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
020: * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
021: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
022: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
023: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
024: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
025: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
026: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
027: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
028: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029: */
030:
031: package com.jgoodies.looks.windows;
032:
033: import java.beans.PropertyChangeEvent;
034: import java.beans.PropertyChangeListener;
035:
036: import javax.swing.BoxLayout;
037: import javax.swing.JComponent;
038: import javax.swing.LookAndFeel;
039: import javax.swing.plaf.ComponentUI;
040: import javax.swing.plaf.UIResource;
041:
042: import com.jgoodies.looks.Options;
043: import com.jgoodies.looks.common.PopupMenuLayout;
044:
045: /**
046: * The JGoodies Windows look&feel implementation of <code>PopMenuUI</code>.
047: * It differs from the superclass in that it provides an option to get a
048: * narrow border. You can set a client property
049: * {@link Options#NO_MARGIN_KEY} to indicate that this popup menu
050: * has a border without margin. That is useful in the special case
051: * where the popup contains only a single component, for example
052: * a JScrollPane.
053: *
054: * @author Karsten Lentzsch
055: * @version $Revision: 1.4 $
056: *
057: * @see com.jgoodies.looks.Options#NO_MARGIN_KEY
058: */
059: public final class WindowsPopupMenuUI extends
060: com.sun.java.swing.plaf.windows.WindowsPopupMenuUI {
061:
062: private PropertyChangeListener borderListener;
063:
064: public static ComponentUI createUI(JComponent b) {
065: return new WindowsPopupMenuUI();
066: }
067:
068: public void installDefaults() {
069: super .installDefaults();
070: installBorder();
071: if ((popupMenu.getLayout() == null)
072: || (popupMenu.getLayout() instanceof UIResource)) {
073: popupMenu.setLayout(new PopupMenuLayout(popupMenu,
074: BoxLayout.Y_AXIS));
075: }
076: }
077:
078: public void installListeners() {
079: super .installListeners();
080: borderListener = new BorderStyleChangeHandler();
081: popupMenu.addPropertyChangeListener(Options.NO_MARGIN_KEY,
082: borderListener);
083: }
084:
085: protected void uninstallListeners() {
086: popupMenu.removePropertyChangeListener(Options.NO_MARGIN_KEY,
087: borderListener);
088: super .uninstallListeners();
089: }
090:
091: // Narrow Border **********************************************************
092:
093: private final class BorderStyleChangeHandler implements
094: PropertyChangeListener {
095:
096: public void propertyChange(PropertyChangeEvent e) {
097: installBorder();
098: }
099:
100: }
101:
102: /**
103: * Installs a border without margin, iff the client property
104: * <code>Options.NO_MARGIN_KEY</code> is set to <code>Boolean.TRUE</code>.
105: */
106: private void installBorder() {
107: boolean useNarrowBorder = Boolean.TRUE.equals(popupMenu
108: .getClientProperty(Options.NO_MARGIN_KEY));
109: String suffix = useNarrowBorder ? "noMarginBorder" : "border";
110: LookAndFeel.installBorder(popupMenu, "PopupMenu." + suffix);
111: }
112:
113: }
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