| /* |
| * Copyright (c) 2002, 2005, 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.synth; |
| |
| import java.awt.*; |
| import java.awt.geom.AffineTransform; |
| import javax.swing.*; |
| import javax.swing.plaf.*; |
| import javax.swing.plaf.basic.BasicProgressBarUI; |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeEvent; |
| import sun.swing.SwingUtilities2; |
| |
| /** |
| * Provides the Synth L&F UI delegate for |
| * {@link javax.swing.JProgressBar}. |
| * |
| * @author Joshua Outwater |
| * @since 1.7 |
| */ |
| public class SynthProgressBarUI extends BasicProgressBarUI |
| implements SynthUI, PropertyChangeListener { |
| private SynthStyle style; |
| private int progressPadding; |
| private boolean rotateText; // added for Nimbus LAF |
| private boolean paintOutsideClip; |
| private boolean tileWhenIndeterminate; //whether to tile indeterminate painting |
| private int tileWidth; //the width of each tile |
| |
| /** |
| * Creates a new UI object for the given component. |
| * |
| * @param x component to create UI object for |
| * @return the UI object |
| */ |
| public static ComponentUI createUI(JComponent x) { |
| return new SynthProgressBarUI(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void installListeners() { |
| super.installListeners(); |
| progressBar.addPropertyChangeListener(this); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void uninstallListeners() { |
| super.uninstallListeners(); |
| progressBar.removePropertyChangeListener(this); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void installDefaults() { |
| updateStyle(progressBar); |
| } |
| |
| private void updateStyle(JProgressBar c) { |
| SynthContext context = getContext(c, ENABLED); |
| SynthStyle oldStyle = style; |
| style = SynthLookAndFeel.updateStyle(context, this); |
| setCellLength(style.getInt(context, "ProgressBar.cellLength", 1)); |
| setCellSpacing(style.getInt(context, "ProgressBar.cellSpacing", 0)); |
| progressPadding = style.getInt(context, |
| "ProgressBar.progressPadding", 0); |
| paintOutsideClip = style.getBoolean(context, |
| "ProgressBar.paintOutsideClip", false); |
| rotateText = style.getBoolean(context, |
| "ProgressBar.rotateText", false); |
| tileWhenIndeterminate = style.getBoolean(context, "ProgressBar.tileWhenIndeterminate", false); |
| tileWidth = style.getInt(context, "ProgressBar.tileWidth", 15); |
| // handle scaling for sizeVarients for special case components. The |
| // key "JComponent.sizeVariant" scales for large/small/mini |
| // components are based on Apples LAF |
| String scaleKey = (String)progressBar.getClientProperty( |
| "JComponent.sizeVariant"); |
| if (scaleKey != null){ |
| if ("large".equals(scaleKey)){ |
| tileWidth *= 1.15; |
| } else if ("small".equals(scaleKey)){ |
| tileWidth *= 0.857; |
| } else if ("mini".equals(scaleKey)){ |
| tileWidth *= 0.784; |
| } |
| } |
| context.dispose(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void uninstallDefaults() { |
| SynthContext context = getContext(progressBar, ENABLED); |
| |
| style.uninstallDefaults(context); |
| context.dispose(); |
| style = null; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public SynthContext getContext(JComponent c) { |
| return getContext(c, getComponentState(c)); |
| } |
| |
| private SynthContext getContext(JComponent c, int state) { |
| return SynthContext.getContext(SynthContext.class, c, |
| SynthLookAndFeel.getRegion(c), style, state); |
| } |
| |
| private int getComponentState(JComponent c) { |
| return SynthLookAndFeel.getComponentState(c); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public int getBaseline(JComponent c, int width, int height) { |
| super.getBaseline(c, width, height); |
| if (progressBar.isStringPainted() && |
| progressBar.getOrientation() == JProgressBar.HORIZONTAL) { |
| SynthContext context = getContext(c); |
| Font font = context.getStyle().getFont(context); |
| FontMetrics metrics = progressBar.getFontMetrics(font); |
| context.dispose(); |
| return (height - metrics.getAscent() - metrics.getDescent()) / 2 + |
| metrics.getAscent(); |
| } |
| return -1; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected Rectangle getBox(Rectangle r) { |
| if (tileWhenIndeterminate) { |
| return SwingUtilities.calculateInnerArea(progressBar, r); |
| } else { |
| return super.getBox(r); |
| } |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void setAnimationIndex(int newValue) { |
| if (paintOutsideClip) { |
| if (getAnimationIndex() == newValue) { |
| return; |
| } |
| super.setAnimationIndex(newValue); |
| progressBar.repaint(); |
| } else { |
| super.setAnimationIndex(newValue); |
| } |
| } |
| |
| /** |
| * Notifies this UI delegate to repaint the specified component. |
| * This method paints the component background, then calls |
| * the {@link #paint(SynthContext,Graphics)} method. |
| * |
| * <p>In general, this method does not need to be overridden by subclasses. |
| * All Look and Feel rendering code should reside in the {@code paint} method. |
| * |
| * @param g the {@code Graphics} object used for painting |
| * @param c the component being painted |
| * @see #paint(SynthContext,Graphics) |
| */ |
| @Override |
| public void update(Graphics g, JComponent c) { |
| SynthContext context = getContext(c); |
| |
| SynthLookAndFeel.update(context, g); |
| context.getPainter().paintProgressBarBackground(context, |
| g, 0, 0, c.getWidth(), c.getHeight(), |
| progressBar.getOrientation()); |
| paint(context, g); |
| context.dispose(); |
| } |
| |
| /** |
| * Paints the specified component according to the Look and Feel. |
| * <p>This method is not used by Synth Look and Feel. |
| * Painting is handled by the {@link #paint(SynthContext,Graphics)} method. |
| * |
| * @param g the {@code Graphics} object used for painting |
| * @param c the component being painted |
| * @see #paint(SynthContext,Graphics) |
| */ |
| @Override |
| public void paint(Graphics g, JComponent c) { |
| SynthContext context = getContext(c); |
| |
| paint(context, g); |
| context.dispose(); |
| } |
| |
| /** |
| * Paints the specified component. |
| * |
| * @param context context for the component being painted |
| * @param g the {@code Graphics} object used for painting |
| * @see #update(Graphics,JComponent) |
| */ |
| protected void paint(SynthContext context, Graphics g) { |
| JProgressBar pBar = (JProgressBar)context.getComponent(); |
| int x = 0, y = 0, width = 0, height = 0; |
| if (!pBar.isIndeterminate()) { |
| Insets pBarInsets = pBar.getInsets(); |
| double percentComplete = pBar.getPercentComplete(); |
| if (percentComplete != 0.0) { |
| if (pBar.getOrientation() == JProgressBar.HORIZONTAL) { |
| x = pBarInsets.left + progressPadding; |
| y = pBarInsets.top + progressPadding; |
| width = (int)(percentComplete * (pBar.getWidth() |
| - (pBarInsets.left + progressPadding |
| + pBarInsets.right + progressPadding))); |
| height = pBar.getHeight() |
| - (pBarInsets.top + progressPadding |
| + pBarInsets.bottom + progressPadding); |
| |
| if (!SynthLookAndFeel.isLeftToRight(pBar)) { |
| x = pBar.getWidth() - pBarInsets.right - width |
| - progressPadding; |
| } |
| } else { // JProgressBar.VERTICAL |
| x = pBarInsets.left + progressPadding; |
| width = pBar.getWidth() |
| - (pBarInsets.left + progressPadding |
| + pBarInsets.right + progressPadding); |
| height = (int)(percentComplete * (pBar.getHeight() |
| - (pBarInsets.top + progressPadding |
| + pBarInsets.bottom + progressPadding))); |
| y = pBar.getHeight() - pBarInsets.bottom - height |
| - progressPadding; |
| |
| // When the progress bar is vertical we always paint |
| // from bottom to top, not matter what the component |
| // orientation is. |
| } |
| } |
| } else { |
| boxRect = getBox(boxRect); |
| x = boxRect.x + progressPadding; |
| y = boxRect.y + progressPadding; |
| width = boxRect.width - progressPadding - progressPadding; |
| height = boxRect.height - progressPadding - progressPadding; |
| } |
| |
| //if tiling and indeterminate, then paint the progress bar foreground a |
| //bit wider than it should be. Shift as needed to ensure that there is |
| //an animated effect |
| if (tileWhenIndeterminate && pBar.isIndeterminate()) { |
| double percentComplete = (double)getAnimationIndex() / (double)getFrameCount(); |
| int offset = (int)(percentComplete * tileWidth); |
| Shape clip = g.getClip(); |
| g.clipRect(x, y, width, height); |
| if (pBar.getOrientation() == JProgressBar.HORIZONTAL) { |
| //paint each tile horizontally |
| for (int i=x-tileWidth+offset; i<=width; i+=tileWidth) { |
| context.getPainter().paintProgressBarForeground( |
| context, g, i, y, tileWidth, height, pBar.getOrientation()); |
| } |
| } else { //JProgressBar.VERTICAL |
| //paint each tile vertically |
| for (int i=y-offset; i<height+tileWidth; i+=tileWidth) { |
| context.getPainter().paintProgressBarForeground( |
| context, g, x, i, width, tileWidth, pBar.getOrientation()); |
| } |
| } |
| g.setClip(clip); |
| } else { |
| context.getPainter().paintProgressBarForeground(context, g, |
| x, y, width, height, pBar.getOrientation()); |
| } |
| |
| if (pBar.isStringPainted()) { |
| paintText(context, g, pBar.getString()); |
| } |
| } |
| |
| /** |
| * Paints the component's text. |
| * |
| * @param context context for the component being painted |
| * @param g {@code Graphics} object used for painting |
| * @param title the text to paint |
| */ |
| protected void paintText(SynthContext context, Graphics g, String title) { |
| if (progressBar.isStringPainted()) { |
| SynthStyle style = context.getStyle(); |
| Font font = style.getFont(context); |
| FontMetrics fm = SwingUtilities2.getFontMetrics( |
| progressBar, g, font); |
| int strLength = style.getGraphicsUtils(context). |
| computeStringWidth(context, font, fm, title); |
| Rectangle bounds = progressBar.getBounds(); |
| |
| if (rotateText && |
| progressBar.getOrientation() == JProgressBar.VERTICAL){ |
| Graphics2D g2 = (Graphics2D)g; |
| // Calculate the position for the text. |
| Point textPos; |
| AffineTransform rotation; |
| if (progressBar.getComponentOrientation().isLeftToRight()){ |
| rotation = AffineTransform.getRotateInstance(-Math.PI/2); |
| textPos = new Point( |
| (bounds.width+fm.getAscent()-fm.getDescent())/2, |
| (bounds.height+strLength)/2); |
| } else { |
| rotation = AffineTransform.getRotateInstance(Math.PI/2); |
| textPos = new Point( |
| (bounds.width-fm.getAscent()+fm.getDescent())/2, |
| (bounds.height-strLength)/2); |
| } |
| |
| // Progress bar isn't wide enough for the font. Don't paint it. |
| if (textPos.x < 0) { |
| return; |
| } |
| |
| // Paint the text. |
| font = font.deriveFont(rotation); |
| g2.setFont(font); |
| g2.setColor(style.getColor(context, ColorType.TEXT_FOREGROUND)); |
| style.getGraphicsUtils(context).paintText(context, g, title, |
| textPos.x, textPos.y, -1); |
| } else { |
| // Calculate the bounds for the text. |
| Rectangle textRect = new Rectangle( |
| (bounds.width / 2) - (strLength / 2), |
| (bounds.height - |
| (fm.getAscent() + fm.getDescent())) / 2, |
| 0, 0); |
| |
| // Progress bar isn't tall enough for the font. Don't paint it. |
| if (textRect.y < 0) { |
| return; |
| } |
| |
| // Paint the text. |
| g.setColor(style.getColor(context, ColorType.TEXT_FOREGROUND)); |
| g.setFont(font); |
| style.getGraphicsUtils(context).paintText(context, g, title, |
| textRect.x, textRect.y, -1); |
| } |
| } |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void paintBorder(SynthContext context, Graphics g, int x, |
| int y, int w, int h) { |
| context.getPainter().paintProgressBarBorder(context, g, x, y, w, h, |
| progressBar.getOrientation()); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void propertyChange(PropertyChangeEvent e) { |
| if (SynthLookAndFeel.shouldUpdateStyle(e) || |
| "indeterminate".equals(e.getPropertyName())) { |
| updateStyle((JProgressBar)e.getSource()); |
| } |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public Dimension getPreferredSize(JComponent c) { |
| Dimension size = null; |
| Insets border = progressBar.getInsets(); |
| FontMetrics fontSizer = progressBar.getFontMetrics(progressBar.getFont()); |
| String progString = progressBar.getString(); |
| int stringHeight = fontSizer.getHeight() + fontSizer.getDescent(); |
| |
| if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) { |
| size = new Dimension(getPreferredInnerHorizontal()); |
| if (progressBar.isStringPainted()) { |
| // adjust the height if necessary to make room for the string |
| if (stringHeight > size.height) { |
| size.height = stringHeight; |
| } |
| |
| // adjust the width if necessary to make room for the string |
| int stringWidth = SwingUtilities2.stringWidth( |
| progressBar, fontSizer, progString); |
| if (stringWidth > size.width) { |
| size.width = stringWidth; |
| } |
| } |
| } else { |
| size = new Dimension(getPreferredInnerVertical()); |
| if (progressBar.isStringPainted()) { |
| // make sure the width is big enough for the string |
| if (stringHeight > size.width) { |
| size.width = stringHeight; |
| } |
| |
| // make sure the height is big enough for the string |
| int stringWidth = SwingUtilities2.stringWidth( |
| progressBar, fontSizer, progString); |
| if (stringWidth > size.height) { |
| size.height = stringWidth; |
| } |
| } |
| } |
| |
| // handle scaling for sizeVarients for special case components. The |
| // key "JComponent.sizeVariant" scales for large/small/mini |
| // components are based on Apples LAF |
| String scaleKey = (String)progressBar.getClientProperty( |
| "JComponent.sizeVariant"); |
| if (scaleKey != null){ |
| if ("large".equals(scaleKey)){ |
| size.width *= 1.15f; |
| size.height *= 1.15f; |
| } else if ("small".equals(scaleKey)){ |
| size.width *= 0.90f; |
| size.height *= 0.90f; |
| } else if ("mini".equals(scaleKey)){ |
| size.width *= 0.784f; |
| size.height *= 0.784f; |
| } |
| } |
| |
| size.width += border.left + border.right; |
| size.height += border.top + border.bottom; |
| |
| return size; |
| } |
| } |
