1 /* 2 * Copyright (c) 1998, 2014, 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 javax.swing.plaf.metal; 27 28 import javax.swing.*; 29 import javax.swing.plaf.*; 30 import javax.swing.plaf.basic.*; 31 import java.awt.*; 32 33 /** 34 * The Metal implementation of ProgressBarUI. 35 * <p> 36 * <strong>Warning:</strong> 37 * Serialized objects of this class will not be compatible with 38 * future Swing releases. The current serialization support is 39 * appropriate for short term storage or RMI between applications running 40 * the same version of Swing. As of 1.4, support for long term storage 41 * of all JavaBeans™ 42 * has been added to the <code>java.beans</code> package. 43 * Please see {@link java.beans.XMLEncoder}. 44 * 45 * @author Michael C. Albers 46 */ 47 @SuppressWarnings("serial") // Same-version serialization only 48 public class MetalProgressBarUI extends BasicProgressBarUI { 49 50 private Rectangle innards; 51 private Rectangle box; 52 53 /** 54 * Constructs an instance of {@code MetalProgressBarUI}. 55 * 56 * @param c a component 57 * @return an instance of {@code MetalProgressBarUI} 58 */ createUI(JComponent c)59 public static ComponentUI createUI(JComponent c) { 60 return new MetalProgressBarUI(); 61 } 62 63 /** 64 * Draws a bit of special highlighting on the progress bar. 65 * The core painting is deferred to the BasicProgressBar's 66 * <code>paintDeterminate</code> method. 67 * @since 1.4 68 */ paintDeterminate(Graphics g, JComponent c)69 public void paintDeterminate(Graphics g, JComponent c) { 70 super.paintDeterminate(g,c); 71 72 if (!(g instanceof Graphics2D)) { 73 return; 74 } 75 76 if (progressBar.isBorderPainted()) { 77 Insets b = progressBar.getInsets(); // area for border 78 int barRectWidth = progressBar.getWidth() - (b.left + b.right); 79 int barRectHeight = progressBar.getHeight() - (b.top + b.bottom); 80 int amountFull = getAmountFull(b, barRectWidth, barRectHeight); 81 boolean isLeftToRight = MetalUtils.isLeftToRight(c); 82 int startX, startY, endX, endY; 83 84 // The progress bar border is painted according to a light source. 85 // This light source is stationary and does not change when the 86 // component orientation changes. 87 startX = b.left; 88 startY = b.top; 89 endX = b.left + barRectWidth - 1; 90 endY = b.top + barRectHeight - 1; 91 92 Graphics2D g2 = (Graphics2D)g; 93 g2.setStroke(new BasicStroke(1.f)); 94 95 if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) { 96 // Draw light line lengthwise across the progress bar. 97 g2.setColor(MetalLookAndFeel.getControlShadow()); 98 g2.drawLine(startX, startY, endX, startY); 99 100 if (amountFull > 0) { 101 // Draw darker lengthwise line over filled area. 102 g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); 103 104 if (isLeftToRight) { 105 g2.drawLine(startX, startY, 106 startX + amountFull - 1, startY); 107 } else { 108 g2.drawLine(endX, startY, 109 endX - amountFull + 1, startY); 110 if (progressBar.getPercentComplete() != 1.f) { 111 g2.setColor(MetalLookAndFeel.getControlShadow()); 112 } 113 } 114 } 115 // Draw a line across the width. The color is determined by 116 // the code above. 117 g2.drawLine(startX, startY, startX, endY); 118 119 } else { // VERTICAL 120 // Draw light line lengthwise across the progress bar. 121 g2.setColor(MetalLookAndFeel.getControlShadow()); 122 g2.drawLine(startX, startY, startX, endY); 123 124 if (amountFull > 0) { 125 // Draw darker lengthwise line over filled area. 126 g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); 127 g2.drawLine(startX, endY, 128 startX, endY - amountFull + 1); 129 } 130 // Draw a line across the width. The color is determined by 131 // the code above. 132 g2.setColor(MetalLookAndFeel.getControlShadow()); 133 134 if (progressBar.getPercentComplete() == 1.f) { 135 g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); 136 } 137 g2.drawLine(startX, startY, endX, startY); 138 } 139 } 140 } 141 142 /** 143 * Draws a bit of special highlighting on the progress bar 144 * and bouncing box. 145 * The core painting is deferred to the BasicProgressBar's 146 * <code>paintIndeterminate</code> method. 147 * @since 1.4 148 */ paintIndeterminate(Graphics g, JComponent c)149 public void paintIndeterminate(Graphics g, JComponent c) { 150 super.paintIndeterminate(g, c); 151 152 if (!progressBar.isBorderPainted() || (!(g instanceof Graphics2D))) { 153 return; 154 } 155 156 Insets b = progressBar.getInsets(); // area for border 157 int barRectWidth = progressBar.getWidth() - (b.left + b.right); 158 int barRectHeight = progressBar.getHeight() - (b.top + b.bottom); 159 int amountFull = getAmountFull(b, barRectWidth, barRectHeight); 160 boolean isLeftToRight = MetalUtils.isLeftToRight(c); 161 int startX, startY, endX, endY; 162 Rectangle box = null; 163 box = getBox(box); 164 165 // The progress bar border is painted according to a light source. 166 // This light source is stationary and does not change when the 167 // component orientation changes. 168 startX = b.left; 169 startY = b.top; 170 endX = b.left + barRectWidth - 1; 171 endY = b.top + barRectHeight - 1; 172 173 Graphics2D g2 = (Graphics2D)g; 174 g2.setStroke(new BasicStroke(1.f)); 175 176 if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) { 177 // Draw light line lengthwise across the progress bar. 178 g2.setColor(MetalLookAndFeel.getControlShadow()); 179 g2.drawLine(startX, startY, endX, startY); 180 g2.drawLine(startX, startY, startX, endY); 181 182 // Draw darker lengthwise line over filled area. 183 g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); 184 g2.drawLine(box.x, startY, box.x + box.width - 1, startY); 185 186 } else { // VERTICAL 187 // Draw light line lengthwise across the progress bar. 188 g2.setColor(MetalLookAndFeel.getControlShadow()); 189 g2.drawLine(startX, startY, startX, endY); 190 g2.drawLine(startX, startY, endX, startY); 191 192 // Draw darker lengthwise line over filled area. 193 g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); 194 g2.drawLine(startX, box.y, startX, box.y + box.height - 1); 195 } 196 } 197 } 198