001/* 002 * $Id$ 003 * 004 * Copyright 2009 Sun Microsystems, Inc., 4150 Network Circle, 005 * Santa Clara, California 95054, U.S.A. All rights reserved. 006 * 007 * This library is free software; you can redistribute it and/or 008 * modify it under the terms of the GNU Lesser General Public 009 * License as published by the Free Software Foundation; either 010 * version 2.1 of the License, or (at your option) any later version. 011 * 012 * This library is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * You should have received a copy of the GNU Lesser General Public 018 * License along with this library; if not, write to the Free Software 019 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 020 * 021 */ 022package org.jdesktop.swingx.plaf.synth; 023 024import java.util.HashMap; 025import java.util.Map; 026 027import javax.swing.JComponent; 028import javax.swing.plaf.synth.Region; 029 030/** 031 * Extended Region to register custom component delegates. 032 * 033 * @author Jeanette Winzenburg 034 */ 035public class XRegion extends Region { 036 037 static Map<String, XRegion> uiToXRegionMap = new HashMap<String, XRegion>(); 038 public static final Region XLIST = new XRegion("XList", null, false, "XListUI", LIST); 039 040 /** the Region which identifies the base styles */ 041 private Region parent; 042 043 /** 044 * Creates a XRegion with the specified name. 045 * 046 * @param name Name of the region 047 * @param subregion Whether or not this is a subregion. 048 * @param realUI String that will be returned from 049 * <code>component.getUIClassID</code>. 050 * @param parent the parent region which this is extending. 051 */ 052 public XRegion(String name, String dummyUI, boolean subregion, String realUI, Region parent) { 053 super(name, dummyUI, subregion); 054 this.parent = parent; 055 if (realUI != null) { 056 uiToXRegionMap.put(realUI, this); 057 } 058 } 059 060 /** 061 * Returns a region appropriate for the component. 062 * 063 * @param component the component to get the region for 064 * @param useParent a boolean indicating whether or not to return a fallback 065 * of the XRegion, if available 066 * @return a region for the component or null if not available. 067 */ 068 public static Region getXRegion(JComponent component, boolean useParent) { 069 XRegion region = uiToXRegionMap.get(component.getUIClassID()); 070 if (region != null) 071 return useParent && region.parent != null ? region.parent : region; 072 return region; 073 } 074}