J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2006 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package com.sun.java.swing.plaf.motif; |
| 27 | |
| 28 | import java.awt.*; |
| 29 | import java.awt.event.*; |
| 30 | |
| 31 | import java.io.*; |
| 32 | import java.util.*; |
| 33 | |
| 34 | import javax.swing.*; |
| 35 | import javax.swing.plaf.*; |
| 36 | import javax.swing.tree.*; |
| 37 | import javax.swing.plaf.basic.*; |
| 38 | |
| 39 | /** |
| 40 | * Motif rendition of the tree component. |
| 41 | * <p> |
| 42 | * <strong>Warning:</strong> |
| 43 | * Serialized objects of this class will not be compatible with |
| 44 | * future Swing releases. The current serialization support is appropriate |
| 45 | * for short term storage or RMI between applications running the same |
| 46 | * version of Swing. A future release of Swing will provide support for |
| 47 | * long term persistence. |
| 48 | * |
| 49 | * @author Jeff Dinkins |
| 50 | */ |
| 51 | public class MotifTreeUI extends BasicTreeUI |
| 52 | { |
| 53 | static final int HALF_SIZE = 7; |
| 54 | static final int SIZE = 14; |
| 55 | |
| 56 | /** |
| 57 | * creates a UI object to represent a Motif Tree widget |
| 58 | */ |
| 59 | public MotifTreeUI() { |
| 60 | super(); |
| 61 | } |
| 62 | |
| 63 | public void installUI(JComponent c) { |
| 64 | super.installUI(c); |
| 65 | } |
| 66 | |
| 67 | // BasicTreeUI overrides |
| 68 | |
| 69 | protected void paintVerticalLine( Graphics g, JComponent c, int x, int top, int bottom ) |
| 70 | { |
| 71 | if (tree.getComponentOrientation().isLeftToRight()) { |
| 72 | g.fillRect( x, top, 2, bottom - top + 2 ); |
| 73 | } else { |
| 74 | g.fillRect( x - 1, top, 2, bottom - top + 2 ); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | protected void paintHorizontalLine( Graphics g, JComponent c, int y, int left, int right ) |
| 79 | { |
| 80 | g.fillRect( left, y, right - left + 1, 2 ); |
| 81 | } |
| 82 | |
| 83 | |
| 84 | /** |
| 85 | * The minus sign button icon. |
| 86 | * <p> |
| 87 | * <strong>Warning:</strong> |
| 88 | * Serialized objects of this class will not be compatible with |
| 89 | * future Swing releases. The current serialization support is appropriate |
| 90 | * for short term storage or RMI between applications running the same |
| 91 | * version of Swing. A future release of Swing will provide support for |
| 92 | * long term persistence. |
| 93 | */ |
| 94 | public static class MotifExpandedIcon implements Icon, Serializable { |
| 95 | static Color bg; |
| 96 | static Color fg; |
| 97 | static Color highlight; |
| 98 | static Color shadow; |
| 99 | |
| 100 | public MotifExpandedIcon() { |
| 101 | bg = UIManager.getColor("Tree.iconBackground"); |
| 102 | fg = UIManager.getColor("Tree.iconForeground"); |
| 103 | highlight = UIManager.getColor("Tree.iconHighlight"); |
| 104 | shadow = UIManager.getColor("Tree.iconShadow"); |
| 105 | } |
| 106 | |
| 107 | public static Icon createExpandedIcon() { |
| 108 | return new MotifExpandedIcon(); |
| 109 | } |
| 110 | |
| 111 | public void paintIcon(Component c, Graphics g, int x, int y) { |
| 112 | g.setColor(highlight); |
| 113 | g.drawLine(x, y, x+SIZE-1, y); |
| 114 | g.drawLine(x, y+1, x, y+SIZE-1); |
| 115 | |
| 116 | g.setColor(shadow); |
| 117 | g.drawLine(x+SIZE-1, y+1, x+SIZE-1, y+SIZE-1); |
| 118 | g.drawLine(x+1, y+SIZE-1, x+SIZE-1, y+SIZE-1); |
| 119 | |
| 120 | g.setColor(bg); |
| 121 | g.fillRect(x+1, y+1, SIZE-2, SIZE-2); |
| 122 | |
| 123 | g.setColor(fg); |
| 124 | g.drawLine(x+3, y+HALF_SIZE-1, x+SIZE-4, y+HALF_SIZE-1); |
| 125 | g.drawLine(x+3, y+HALF_SIZE, x+SIZE-4, y+HALF_SIZE); |
| 126 | } |
| 127 | |
| 128 | public int getIconWidth() { return SIZE; } |
| 129 | public int getIconHeight() { return SIZE; } |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * The plus sign button icon. |
| 134 | * <p> |
| 135 | * <strong>Warning:</strong> |
| 136 | * Serialized objects of this class will not be compatible with |
| 137 | * future Swing releases. The current serialization support is appropriate |
| 138 | * for short term storage or RMI between applications running the same |
| 139 | * version of Swing. A future release of Swing will provide support for |
| 140 | * long term persistence. |
| 141 | */ |
| 142 | public static class MotifCollapsedIcon extends MotifExpandedIcon { |
| 143 | public static Icon createCollapsedIcon() { |
| 144 | return new MotifCollapsedIcon(); |
| 145 | } |
| 146 | |
| 147 | public void paintIcon(Component c, Graphics g, int x, int y) { |
| 148 | super.paintIcon(c, g, x, y); |
| 149 | g.drawLine(x + HALF_SIZE-1, y + 3, x + HALF_SIZE-1, y + (SIZE - 4)); |
| 150 | g.drawLine(x + HALF_SIZE, y + 3, x + HALF_SIZE, y + (SIZE - 4)); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | public static ComponentUI createUI(JComponent x) { |
| 155 | return new MotifTreeUI(); |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Returns the default cell renderer that is used to do the |
| 160 | * stamping of each node. |
| 161 | */ |
| 162 | public TreeCellRenderer createDefaultCellRenderer() { |
| 163 | return new MotifTreeCellRenderer(); |
| 164 | } |
| 165 | |
| 166 | } |