001/* 002 * $Id: ResetDTCRColorHighlighter.java 3100 2008-10-14 22:33:10Z rah003 $ 003 * 004 * Copyright 2006 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 */ 021package org.jdesktop.swingx.decorator; 022 023import java.awt.Color; 024import java.awt.Component; 025 026import javax.swing.JComponent; 027import javax.swing.table.DefaultTableCellRenderer; 028 029 030/** 031 * This is a hack around DefaultTableCellRenderer color "memory", 032 * see Issue #258-swingx.<p> 033 * 034 * The issue is that the default has internal color management 035 * which is different from other types of renderers. The 036 * consequence of the internal color handling is that there's 037 * a color memory which must be reset somehow. The "old" hack around 038 * reset the xxColors of all types of renderers to the adapter's 039 * target XXColors, introducing #178-swingx (Highlighgters must not 040 * change any colors except those for which their color properties are 041 * explicitly set).<p> 042 * 043 * This hack limits the interference to renderers of type 044 * DefaultTableCellRenderer, applying a hacking highlighter which 045 * resets the renderers XXColors to a previously "memorized" 046 * color. Note that setting the color to null didn't have the desired 047 * effect.<p> 048 * 049 * PENDING: extend ColorHighlighter 050 */ 051 052public class ResetDTCRColorHighlighter extends ColorHighlighter { 053 054 public ResetDTCRColorHighlighter() { 055 super(null, null); 056 } 057 058 /** 059 * applies the memory hack for renderers of type DefaultTableCellRenderer, 060 * does nothing for other types. 061 * @param renderer the component to highlight 062 * @param adapter the renderee's component state. 063 */ 064 @Override 065 public Component highlight(Component renderer, ComponentAdapter adapter) { 066 //JW 067 // table renderers have different state memory as list/tree renderers 068 // without the null they don't unstamp! 069 // but... null has adversory effect on JXList f.i. - selection 070 // color is changed. This is related to #178-swingx: 071 // highlighter background computation is weird. 072 // 073 if (renderer instanceof DefaultTableCellRenderer) { 074 return super.highlight(renderer, adapter); 075 } 076 return renderer; 077 } 078 079 @Override 080 protected void applyBackground(Component renderer, ComponentAdapter adapter) { 081 if (!adapter.isSelected()) { 082 Object colorMemory = ((JComponent) renderer).getClientProperty("rendererColorMemory.background"); 083 if (colorMemory instanceof ColorMemory) { 084 renderer.setBackground(((ColorMemory) colorMemory).color); 085 } else { 086 ((JComponent) renderer).putClientProperty("rendererColorMemory.background", new ColorMemory(renderer.getBackground())); 087 } 088 } 089 } 090 091 @Override 092 protected void applyForeground(Component renderer, ComponentAdapter adapter) { 093 if (!adapter.isSelected()) { 094 Object colorMemory = ((JComponent) renderer).getClientProperty("rendererColorMemory.foreground"); 095 if (colorMemory instanceof ColorMemory) { 096 renderer.setForeground(((ColorMemory) colorMemory).color); 097 } else { 098 ((JComponent) renderer).putClientProperty("rendererColorMemory.foreground", new ColorMemory(renderer.getForeground())); 099 } 100 } 101 } 102 103 private static class ColorMemory { 104 public ColorMemory(Color color) { 105 this.color = color; 106 } 107 108 Color color; 109 } 110 111 112 113}