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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
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*
* 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.
*
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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.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
private Dimension minBarSize; // minimal visible bar size
private int glowWidth; // Glow around the bar foreground
/**
* 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;
}
}
minBarSize = (Dimension)style.get(context, "ProgressBar.minBarSize");
glowWidth = style.getInt(context, "ProgressBar.glowWidth", 0);
}
/**
* {@inheritDoc}
*/
@Override
protected void uninstallDefaults() {
SynthContext context = getContext(progressBar, ENABLED);
style.uninstallDefaults(context);
style = null;
}
/**
* {@inheritDoc}
*/
@Override
public SynthContext getContext(JComponent c) {
return getContext(c, getComponentState(c));
}
private SynthContext getContext(JComponent c, int state) {
return SynthContext.getContext(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);
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);
}
/**
* 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);
}
/**
* 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 - glowWidth;
}
} 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;
if (SynthLookAndFeel.isLeftToRight(pBar)) {
y -= glowWidth;
}
}
}
} 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 {
if (minBarSize == null || (width >= minBarSize.width
&& height >= minBarSize.height)) {
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;
}
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