1 /* 2 * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.java.swing.plaf.motif; 27 28 import javax.swing.*; 29 import javax.swing.plaf.*; 30 import javax.swing.tree.*; 31 import java.awt.*; 32 import java.awt.event.*; 33 import java.beans.*; 34 import java.io.*; 35 import java.util.*; 36 37 /** 38 * Motif rendered to display a tree cell. 39 * <p> 40 * <strong>Warning:</strong> 41 * Serialized objects of this class will not be compatible with 42 * future Swing releases. The current serialization support is appropriate 43 * for short term storage or RMI between applications running the same 44 * version of Swing. A future release of Swing will provide support for 45 * long term persistence. 46 * 47 * @author Jeff Dinkins 48 */ 49 public class MotifTreeCellRenderer extends DefaultTreeCellRenderer 50 { 51 static final int LEAF_SIZE = 13; 52 static final Icon LEAF_ICON = new IconUIResource(new TreeLeafIcon()); 53 54 public MotifTreeCellRenderer() { 55 super(); 56 } 57 58 public static Icon loadLeafIcon() { 59 return LEAF_ICON; 60 } 61 62 /** 63 * Icon for a node with no children. 64 * <p> 65 * <strong>Warning:</strong> 66 * Serialized objects of this class will not be compatible with 67 * future Swing releases. The current serialization support is appropriate 68 * for short term storage or RMI between applications running the same 69 * version of Swing. A future release of Swing will provide support for 70 * long term persistence. 71 */ 72 public static class TreeLeafIcon implements Icon, Serializable { 73 74 Color bg; 75 Color shadow; 76 Color highlight; 77 78 public TreeLeafIcon() { 79 bg = UIManager.getColor("Tree.iconBackground"); 80 shadow = UIManager.getColor("Tree.iconShadow"); 81 highlight = UIManager.getColor("Tree.iconHighlight"); 82 } 83 84 public void paintIcon(Component c, Graphics g, int x, int y) { 85 g.setColor(bg); 86 87 y -= 3; 88 g.fillRect(x + 4, y + 7, 5, 5); 89 90 g.drawLine(x + 6, y + 6, x + 6, y + 6); 91 g.drawLine(x + 3, y + 9, x + 3, y + 9); 92 g.drawLine(x + 6, y + 12, x + 6, y + 12); 93 g.drawLine(x + 9, y + 9, x + 9, y + 9); 94 95 g.setColor(highlight); 96 g.drawLine(x + 2, y + 9, x + 5, y + 6); 97 g.drawLine(x + 3, y + 10, x + 5, y + 12); 98 99 g.setColor(shadow); 100 g.drawLine(x + 6, y + 13, x + 10, y + 9); 101 g.drawLine(x + 9, y + 8, x + 7, y + 6); 102 } 103 104 public int getIconWidth() { 105 return LEAF_SIZE; 106 } 107 108 public int getIconHeight() { 109 return LEAF_SIZE; 110 } 111 112 } 113 }