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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.plaf.synth.SynthUI;
import sun.swing.SwingUtilities2;

Synth's ProgressBarUI.
Author:Joshua Outwater
/** * Synth's ProgressBarUI. * * @author Joshua Outwater */
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 public static ComponentUI createUI(JComponent x) { return new SynthProgressBarUI(); } @Override protected void installListeners() { super.installListeners(); progressBar.addPropertyChangeListener(this); } @Override protected void uninstallListeners() { super.uninstallListeners(); progressBar.removePropertyChangeListener(this); } @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(); } @Override protected void uninstallDefaults() { SynthContext context = getContext(progressBar, ENABLED); style.uninstallDefaults(context); context.dispose(); style = null; } 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 Region getRegion(JComponent c) { return SynthLookAndFeel.getRegion(c); } private int getComponentState(JComponent c) { return SynthLookAndFeel.getComponentState(c); } @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; } @Override protected Rectangle getBox(Rectangle r) { if (tileWhenIndeterminate) { return SwingUtilities.calculateInnerArea(progressBar, r); } else { return super.getBox(r); } } @Override protected void setAnimationIndex(int newValue) { if (paintOutsideClip) { if (getAnimationIndex() == newValue) { return; } super.setAnimationIndex(newValue); progressBar.repaint(); } else { super.setAnimationIndex(newValue); } } @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(); } @Override public void paint(Graphics g, JComponent c) { SynthContext context = getContext(c); paint(context, g); context.dispose(); } 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()); } } 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); } } } 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()); } public void propertyChange(PropertyChangeEvent e) { if (SynthLookAndFeel.shouldUpdateStyle(e) || "indeterminate".equals(e.getPropertyName())) { updateStyle((JProgressBar)e.getSource()); } } @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; } }