001 /* MetalProgressBarUI.java 002 Copyright (C) 2005 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package javax.swing.plaf.metal; 040 041 import java.awt.Color; 042 import java.awt.Graphics; 043 import java.awt.Insets; 044 045 import javax.swing.JComponent; 046 import javax.swing.JProgressBar; 047 import javax.swing.plaf.ComponentUI; 048 import javax.swing.plaf.basic.BasicProgressBarUI; 049 050 /** 051 * A UI delegate for the {@link JProgressBar} component. 052 */ 053 public class MetalProgressBarUI extends BasicProgressBarUI 054 { 055 /** 056 * Constructs a new instance of <code>MetalProgressBarUI</code>. 057 */ 058 public MetalProgressBarUI() 059 { 060 super(); 061 } 062 063 /** 064 * Returns a new instance of <code>MetalProgressBarUI</code>. 065 * 066 * @param component the component for which we return an UI instance 067 * 068 * @return A new instance of <code>MetalProgressBarUI</code>. 069 */ 070 public static ComponentUI createUI(JComponent component) 071 { 072 return new MetalProgressBarUI(); 073 } 074 075 /** 076 * Performs the painting for determinate progress bars. This calls the 077 * superclass behaviour and then adds some highlighting to the upper and left 078 * edge of the progress bar. 079 * 080 * @param g the graphics context 081 * @param c not used here 082 */ 083 public void paintDeterminate(Graphics g, JComponent c) 084 { 085 super.paintDeterminate(g, c); 086 Color saved = g.getColor(); 087 Insets i = progressBar.getInsets(); 088 int w = progressBar.getWidth(); 089 int h = progressBar.getHeight(); 090 int orientation = progressBar.getOrientation(); 091 092 Color shadow = MetalLookAndFeel.getControlShadow(); 093 g.setColor(shadow); 094 095 g.drawLine(i.left, i.top, w - i.right, i.top); 096 g.drawLine(i.left, i.top, i.left, h - i.bottom); 097 int full = getAmountFull(i, w, h); 098 if (full > 0) 099 { 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 }