/* * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.swing.plaf.metal; import javax.swing.*; import javax.swing.plaf.*; import javax.swing.plaf.basic.*; import java.awt.*; /** * The Metal implementation of ProgressBarUI. *

* Warning: * Serialized objects of this class will not be compatible with * future Swing releases. The current serialization support is * appropriate for short term storage or RMI between applications running * the same version of Swing. As of 1.4, support for long term storage * of all JavaBeans * has been added to the java.beans package. * Please see {@link java.beans.XMLEncoder}. * * @author Michael C. Albers */ @SuppressWarnings("serial") // Same-version serialization only public class MetalProgressBarUI extends BasicProgressBarUI { private Rectangle innards; private Rectangle box; /** * Constructs an instance of {@code MetalProgressBarUI}. * * @param c a component * @return an instance of {@code MetalProgressBarUI} */ public static ComponentUI createUI(JComponent c) { return new MetalProgressBarUI(); } /** * Draws a bit of special highlighting on the progress bar. * The core painting is deferred to the BasicProgressBar's * paintDeterminate method. * @since 1.4 */ public void paintDeterminate(Graphics g, JComponent c) { super.paintDeterminate(g,c); if (!(g instanceof Graphics2D)) { return; } if (progressBar.isBorderPainted()) { Insets b = progressBar.getInsets(); // area for border int barRectWidth = progressBar.getWidth() - (b.left + b.right); int barRectHeight = progressBar.getHeight() - (b.top + b.bottom); int amountFull = getAmountFull(b, barRectWidth, barRectHeight); boolean isLeftToRight = MetalUtils.isLeftToRight(c); int startX, startY, endX, endY; // The progress bar border is painted according to a light source. // This light source is stationary and does not change when the // component orientation changes. startX = b.left; startY = b.top; endX = b.left + barRectWidth - 1; endY = b.top + barRectHeight - 1; Graphics2D g2 = (Graphics2D)g; g2.setStroke(new BasicStroke(1.f)); if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) { // Draw light line lengthwise across the progress bar. g2.setColor(MetalLookAndFeel.getControlShadow()); g2.drawLine(startX, startY, endX, startY); if (amountFull > 0) { // Draw darker lengthwise line over filled area. g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); if (isLeftToRight) { g2.drawLine(startX, startY, startX + amountFull - 1, startY); } else { g2.drawLine(endX, startY, endX - amountFull + 1, startY); if (progressBar.getPercentComplete() != 1.f) { g2.setColor(MetalLookAndFeel.getControlShadow()); } } } // Draw a line across the width. The color is determined by // the code above. g2.drawLine(startX, startY, startX, endY); } else { // VERTICAL // Draw light line lengthwise across the progress bar. g2.setColor(MetalLookAndFeel.getControlShadow()); g2.drawLine(startX, startY, startX, endY); if (amountFull > 0) { // Draw darker lengthwise line over filled area. g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); g2.drawLine(startX, endY, startX, endY - amountFull + 1); } // Draw a line across the width. The color is determined by // the code above. g2.setColor(MetalLookAndFeel.getControlShadow()); if (progressBar.getPercentComplete() == 1.f) { g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); } g2.drawLine(startX, startY, endX, startY); } } } /** * Draws a bit of special highlighting on the progress bar * and bouncing box. * The core painting is deferred to the BasicProgressBar's * paintIndeterminate method. * @since 1.4 */ public void paintIndeterminate(Graphics g, JComponent c) { super.paintIndeterminate(g, c); if (!progressBar.isBorderPainted() || (!(g instanceof Graphics2D))) { return; } Insets b = progressBar.getInsets(); // area for border int barRectWidth = progressBar.getWidth() - (b.left + b.right); int barRectHeight = progressBar.getHeight() - (b.top + b.bottom); int amountFull = getAmountFull(b, barRectWidth, barRectHeight); boolean isLeftToRight = MetalUtils.isLeftToRight(c); int startX, startY, endX, endY; Rectangle box = null; box = getBox(box); // The progress bar border is painted according to a light source. // This light source is stationary and does not change when the // component orientation changes. startX = b.left; startY = b.top; endX = b.left + barRectWidth - 1; endY = b.top + barRectHeight - 1; Graphics2D g2 = (Graphics2D)g; g2.setStroke(new BasicStroke(1.f)); if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) { // Draw light line lengthwise across the progress bar. g2.setColor(MetalLookAndFeel.getControlShadow()); g2.drawLine(startX, startY, endX, startY); g2.drawLine(startX, startY, startX, endY); // Draw darker lengthwise line over filled area. g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); g2.drawLine(box.x, startY, box.x + box.width - 1, startY); } else { // VERTICAL // Draw light line lengthwise across the progress bar. g2.setColor(MetalLookAndFeel.getControlShadow()); g2.drawLine(startX, startY, startX, endY); g2.drawLine(startX, startY, endX, startY); // Draw darker lengthwise line over filled area. g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); g2.drawLine(startX, box.y, startX, box.y + box.height - 1); } } }