| 1 | /* MetalProgressBarUI.java |
| 2 | Copyright (C) 2005 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Classpath. |
| 5 | |
| 6 | GNU Classpath is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GNU Classpath is distributed in the hope that it will be useful, but |
| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Classpath; see the file COPYING. If not, write to the |
| 18 | Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 19 | 02110-1301 USA. |
| 20 | |
| 21 | Linking this library statically or dynamically with other modules is |
| 22 | making a combined work based on this library. Thus, the terms and |
| 23 | conditions of the GNU General Public License cover the whole |
| 24 | combination. |
| 25 | |
| 26 | As a special exception, the copyright holders of this library give you |
| 27 | permission to link this library with independent modules to produce an |
| 28 | executable, regardless of the license terms of these independent |
| 29 | modules, and to copy and distribute the resulting executable under |
| 30 | terms of your choice, provided that you also meet, for each linked |
| 31 | independent module, the terms and conditions of the license of that |
| 32 | module. An independent module is a module which is not derived from |
| 33 | or based on this library. If you modify this library, you may extend |
| 34 | this exception to your version of the library, but you are not |
| 35 | obligated to do so. If you do not wish to do so, delete this |
| 36 | exception statement from your version. */ |
| 37 | |
| 38 | |
| 39 | package javax.swing.plaf.metal; |
| 40 | |
| 41 | import java.awt.Color; |
| 42 | import java.awt.Graphics; |
| 43 | import java.awt.Insets; |
| 44 | |
| 45 | import javax.swing.JComponent; |
| 46 | import javax.swing.JProgressBar; |
| 47 | import javax.swing.plaf.ComponentUI; |
| 48 | import javax.swing.plaf.basic.BasicProgressBarUI; |
| 49 | |
| 50 | /** |
| 51 | * A UI delegate for the {@link JProgressBar} component. |
| 52 | */ |
| 53 | public class MetalProgressBarUI extends BasicProgressBarUI |
| 54 | { |
| 55 | /** |
| 56 | * Constructs a new instance of <code>MetalProgressBarUI</code>. |
| 57 | */ |
| 58 | public MetalProgressBarUI() |
| 59 | { |
| 60 | super(); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Returns a new instance of <code>MetalProgressBarUI</code>. |
| 65 | * |
| 66 | * @param component the component for which we return an UI instance |
| 67 | * |
| 68 | * @return A new instance of <code>MetalProgressBarUI</code>. |
| 69 | */ |
| 70 | public static ComponentUI createUI(JComponent component) |
| 71 | { |
| 72 | return new MetalProgressBarUI(); |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Performs the painting for determinate progress bars. This calls the |
| 77 | * superclass behaviour and then adds some highlighting to the upper and left |
| 78 | * edge of the progress bar. |
| 79 | * |
| 80 | * @param g the graphics context |
| 81 | * @param c not used here |
| 82 | */ |
| 83 | public void paintDeterminate(Graphics g, JComponent c) |
| 84 | { |
| 85 | super.paintDeterminate(g, c); |
| 86 | Color saved = g.getColor(); |
| 87 | Insets i = progressBar.getInsets(); |
| 88 | int w = progressBar.getWidth(); |
| 89 | int h = progressBar.getHeight(); |
| 90 | int orientation = progressBar.getOrientation(); |
| 91 | |
| 92 | Color shadow = MetalLookAndFeel.getControlShadow(); |
| 93 | g.setColor(shadow); |
| 94 | |
| 95 | g.drawLine(i.left, i.top, w - i.right, i.top); |
| 96 | g.drawLine(i.left, i.top, i.left, h - i.bottom); |
| 97 | int full = getAmountFull(i, w, h); |
| 98 | if (full > 0) |
| 99 | { |
| 100 | Color darkShadow = MetalLookAndFeel.getPrimaryControlDarkShadow(); |
| 101 | g.setColor(darkShadow); |
| 102 | if (orientation == JProgressBar.HORIZONTAL) |
| 103 | { |
| 104 | g.drawLine(i.left, i.top, i.left, h - i.bottom); |
| 105 | g.drawLine(i.left, i.top, i.left + full - 1, i.top); |
| 106 | } |
| 107 | else |
| 108 | { |
| 109 | if (full >= (h - i.top - i.bottom)) |
| 110 | g.drawLine(i.left, i.top, w - i.right, i.top); |
| 111 | g.drawLine(i.left, h - i.bottom, i.left, h - i.bottom - full); |
| 112 | } |
| 113 | } |
| 114 | g.setColor(saved); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Performs the painting for indeterminate progress bars. This calls the |
| 119 | * superclass behaviour and then adds some highlighting to the upper and left |
| 120 | * edge of the progress bar. |
| 121 | * |
| 122 | * @param g the graphics context |
| 123 | * @param c not used here |
| 124 | */ |
| 125 | public void paintIndeterminate(Graphics g, JComponent c) |
| 126 | { |
| 127 | super.paintIndeterminate(g, c); |
| 128 | Color saved = g.getColor(); |
| 129 | Insets i = progressBar.getInsets(); |
| 130 | int w = progressBar.getWidth(); |
| 131 | int h = progressBar.getHeight(); |
| 132 | Color shadow = MetalLookAndFeel.getControlShadow(); |
| 133 | g.setColor(shadow); |
| 134 | g.drawLine(i.left, i.top, w - i.right, i.top); |
| 135 | g.drawLine(i.left, i.top, i.left, h - i.bottom); |
| 136 | |
| 137 | boxRect = getBox(boxRect); |
| 138 | Color darkShadow = MetalLookAndFeel.getPrimaryControlDarkShadow(); |
| 139 | g.setColor(darkShadow); |
| 140 | int orientation = progressBar.getOrientation(); |
| 141 | if (orientation == JProgressBar.HORIZONTAL) |
| 142 | g.drawLine(boxRect.x, i.top, boxRect.x + boxRect.width - 1, i.top); |
| 143 | else |
| 144 | g.drawLine(i.left, boxRect.y, i.left, boxRect.y + boxRect.height - 1); |
| 145 | g.setColor(saved); |
| 146 | } |
| 147 | } |