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/*
* Copyright (c) 2002 and later by MH Software-Entwicklung. All Rights Reserved.
*
* JTattoo is multiple licensed. If your are an open source developer you can use
* it under the terms and conditions of the GNU General Public License version 2.0
* or later as published by the Free Software Foundation.
*
* see: gpl-2.0.txt
*
* If you pay for a license you will become a registered user who could use the
* software under the terms and conditions of the GNU Lesser General Public License
* version 2.0 or later with classpath exception as published by the Free Software
* Foundation.
*
* see: lgpl-2.0.txt
* see: classpath-exception.txt
*
* Registered users could also use JTattoo under the terms and conditions of the
* Apache License, Version 2.0 as published by the Apache Software Foundation.
*
* see: APACHE-LICENSE-2.0.txt
*/
package com.jtattoo.plaf;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import javax.swing.Icon;
import javax.swing.JComponent;
import javax.swing.JSlider;
import javax.swing.UIManager;
import javax.swing.plaf.ColorUIResource;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicSliderUI;
/**
* @author Michael Hagen
*/
public class BaseSliderUI extends BasicSliderUI {
protected boolean isRollover = false;
public BaseSliderUI(JSlider slider) {
super(slider);
}
public static ComponentUI createUI(JComponent c) {
return new BaseSliderUI((JSlider) c);
}
public TrackListener createTrackListener(JSlider slider) {
return new MyTrackListener();
}
public Icon getThumbHorIcon() {
if (UIManager.getLookAndFeel() instanceof AbstractLookAndFeel) {
return ((AbstractLookAndFeel) UIManager.getLookAndFeel()).getIconFactory().getThumbHorIcon();
}
return null;
}
public Icon getThumbHorIconRollover() {
if (UIManager.getLookAndFeel() instanceof AbstractLookAndFeel) {
return ((AbstractLookAndFeel) UIManager.getLookAndFeel()).getIconFactory().getThumbHorIconRollover();
}
return null;
}
public Icon getThumbVerIcon() {
if (UIManager.getLookAndFeel() instanceof AbstractLookAndFeel) {
return ((AbstractLookAndFeel) UIManager.getLookAndFeel()).getIconFactory().getThumbVerIcon();
}
return null;
}
public Icon getThumbVerIconRollover() {
if (UIManager.getLookAndFeel() instanceof AbstractLookAndFeel) {
return ((AbstractLookAndFeel) UIManager.getLookAndFeel()).getIconFactory().getThumbVerIconRollover();
}
return null;
}
protected int getTrackWidth() {
if (slider.getOrientation() == JSlider.HORIZONTAL) {
return (thumbRect.height - 9);
}
else {
return (thumbRect.width - 9);
}
}
protected Dimension getThumbSize() {
Dimension size = super.getThumbSize();
if ((getThumbHorIcon() != null) && (getThumbVerIcon() != null)) {
if (slider.getOrientation() == JSlider.HORIZONTAL) {
size.width = getThumbHorIcon().getIconWidth();
size.height = getThumbHorIcon().getIconHeight();
}
else {
size.width = getThumbVerIcon().getIconWidth();
size.height = getThumbVerIcon().getIconHeight();
}
}
return size;
}
public void paint(Graphics g, JComponent c) {
paintBackground(g, c);
recalculateIfInsetsChanged();
recalculateIfOrientationChanged();
Rectangle clip = g.getClipBounds();
if (!clip.intersects(trackRect) && slider.getPaintTrack()) {
calculateGeometry();
}
if (slider.getPaintTrack() && clip.intersects(trackRect)) {
paintTrack(g);
}
if (slider.getPaintTicks() && clip.intersects(tickRect)) {
paintTicks(g);
}
if (slider.getPaintLabels() && clip.intersects(labelRect)) {
paintLabels(g);
}
if (slider.hasFocus() && clip.intersects(focusRect)) {
paintFocus(g);
}
if (clip.intersects(thumbRect)) {
paintThumb(g);
}
}
public void paintBackground(Graphics g, JComponent c) {
if (c.isOpaque()) {
if (c.getBackground() instanceof ColorUIResource) {
g.setColor(AbstractLookAndFeel.getBackgroundColor());
}
else {
g.setColor(c.getBackground());
}
g.fillRect(0, 0, c.getWidth(), c.getHeight());
}
}
public void paintTrack(Graphics g) {
boolean leftToRight = JTattooUtilities.isLeftToRight(slider);
g.translate(trackRect.x, trackRect.y);
int overhang = 4;
int trackLeft = 0;
int trackTop = 0;
int trackRight;
int trackBottom;
if (slider.getOrientation() == JSlider.HORIZONTAL) {
trackBottom = (trackRect.height - 1) - overhang;
trackTop = trackBottom - (getTrackWidth() - 1);
trackRight = trackRect.width - 1;
}
else {
if (leftToRight) {
trackLeft = (trackRect.width - overhang) - getTrackWidth();
trackRight = (trackRect.width - overhang) - 1;
}
else {
trackLeft = overhang;
trackRight = overhang + getTrackWidth() - 1;
}
trackBottom = trackRect.height - 1;
}
g.setColor(AbstractLookAndFeel.getFrameColor());
g.drawRect(trackLeft, trackTop, (trackRight - trackLeft) - 1, (trackBottom - trackTop) - 1);
int middleOfThumb;
int fillTop;
int fillLeft;
int fillBottom;
int fillRight;
if (slider.getOrientation() == JSlider.HORIZONTAL) {
middleOfThumb = thumbRect.x + (thumbRect.width / 2);
middleOfThumb -= trackRect.x;
fillTop = trackTop + 1;
fillBottom = trackBottom - 2;
if (!drawInverted()) {
fillLeft = trackLeft + 1;
fillRight = middleOfThumb;
}
else {
fillLeft = middleOfThumb;
fillRight = trackRight - 2;
}
Color colors[];
if (!JTattooUtilities.isActive(slider)) {
colors = AbstractLookAndFeel.getTheme().getInActiveColors();
}
else {
if (slider.isEnabled()) {
colors = AbstractLookAndFeel.getTheme().getSliderColors();
}
else {
colors = AbstractLookAndFeel.getTheme().getDisabledColors();
}
}
JTattooUtilities.fillHorGradient(g, colors, fillLeft + 2, fillTop + 2, fillRight - fillLeft - 2, fillBottom - fillTop - 2);
Color cHi = ColorHelper.darker(colors[colors.length - 1], 5);
Color cLo = ColorHelper.darker(colors[colors.length - 1], 10);
JTattooUtilities.draw3DBorder(g, cHi, cLo, fillLeft + 1, fillTop + 1, fillRight - fillLeft - 1, fillBottom - fillTop - 1);
}
else {
middleOfThumb = thumbRect.y + (thumbRect.height / 2);
middleOfThumb -= trackRect.y;
fillLeft = trackLeft + 1;
fillRight = trackRight - 2;
if (!drawInverted()) {
fillTop = middleOfThumb;
fillBottom = trackBottom - 2;
}
else {
fillTop = trackTop + 1;
fillBottom = middleOfThumb;
}
Color colors[];
if (!JTattooUtilities.isActive(slider)) {
colors = AbstractLookAndFeel.getTheme().getInActiveColors();
}
else {
if (slider.isEnabled()) {
colors = AbstractLookAndFeel.getTheme().getSliderColors();
}
else {
colors = AbstractLookAndFeel.getTheme().getDisabledColors();
}
}
JTattooUtilities.fillVerGradient(g, colors, fillLeft + 2, fillTop + 2, fillRight - fillLeft - 2, fillBottom - fillTop - 2);
Color cHi = ColorHelper.darker(colors[colors.length - 1], 5);
Color cLo = ColorHelper.darker(colors[colors.length - 1], 10);
JTattooUtilities.draw3DBorder(g, cHi, cLo, fillLeft + 1, fillTop + 1, fillRight - fillLeft - 1, fillBottom - fillTop - 1);
}
g.translate(-trackRect.x, -trackRect.y);
}
public void paintTicks(Graphics g) {
boolean leftToRight = JTattooUtilities.isLeftToRight(slider);
Rectangle tickBounds = tickRect;
g.setColor(slider.getForeground());
if (slider.getOrientation() == JSlider.HORIZONTAL) {
g.translate(0, tickBounds.y);
int value = slider.getMinimum();
int xPos;
if (slider.getMinorTickSpacing() > 0) {
while (value <= slider.getMaximum()) {
xPos = xPositionForValue(value);
paintMinorTickForHorizSlider(g, tickBounds, xPos);
value += slider.getMinorTickSpacing();
}
}
if (slider.getMajorTickSpacing() > 0) {
value = slider.getMinimum();
while (value <= slider.getMaximum()) {
xPos = xPositionForValue(value);
paintMajorTickForHorizSlider(g, tickBounds, xPos);
value += slider.getMajorTickSpacing();
}
}
g.translate(0, -tickBounds.y);
}
else {
g.translate(tickBounds.x, 0);
int value = slider.getMinimum();
int yPos;
if (slider.getMinorTickSpacing() > 0) {
int offset = 0;
if (!leftToRight) {
offset = tickBounds.width - tickBounds.width / 2;
g.translate(offset, 0);
}
while (value <= slider.getMaximum()) {
yPos = yPositionForValue(value);
paintMinorTickForVertSlider(g, tickBounds, yPos);
value += slider.getMinorTickSpacing();
}
if (!leftToRight) {
g.translate(-offset, 0);
}
}
if (slider.getMajorTickSpacing() > 0) {
value = slider.getMinimum();
if (!leftToRight) {
g.translate(2, 0);
}
while (value <= slider.getMaximum()) {
yPos = yPositionForValue(value);
paintMajorTickForVertSlider(g, tickBounds, yPos);
value += slider.getMajorTickSpacing();
}
if (!leftToRight) {
g.translate(-2, 0);
}
}
g.translate(-tickBounds.x, 0);
}
}
protected boolean isDragging() {
if (JTattooUtilities.getJavaVersion() >= 1.5) {
return super.isDragging();
}
else {
return false;
}
}
public void paintThumb(Graphics g) {
Icon icon;
if (slider.getOrientation() == JSlider.HORIZONTAL) {
if ((isRollover || isDragging()) && slider.isEnabled()) {
icon = getThumbHorIconRollover();
}
else {
icon = getThumbHorIcon();
}
}
else {
if ((isRollover || isDragging()) && slider.isEnabled()) {
icon = getThumbVerIconRollover();
}
else {
icon = getThumbVerIcon();
}
}
Graphics2D g2D = (Graphics2D) g;
Composite savedComposite = g2D.getComposite();
if (!slider.isEnabled()) {
g.setColor(AbstractLookAndFeel.getBackgroundColor());
g.fillRect(thumbRect.x + 1, thumbRect.y + 1, thumbRect.width - 2, thumbRect.height - 2);
AlphaComposite alpha = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.6f);
g2D.setComposite(alpha);
}
icon.paintIcon(null, g, thumbRect.x, thumbRect.y);
g2D.setComposite(savedComposite);
}
protected class MyTrackListener extends TrackListener {
public void mouseEntered(MouseEvent e) {
super.mouseEntered(e);
if (slider.isEnabled()) {
isRollover = thumbRect.contains(e.getPoint());
slider.repaint();
}
}
public void mouseMoved(MouseEvent e) {
super.mouseMoved(e);
if (slider.isEnabled()) {
boolean rollover = thumbRect.contains(e.getPoint());
if (rollover != isRollover) {
isRollover = rollover;
slider.repaint();
}
}
}
public void mouseExited(MouseEvent e) {
super.mouseExited(e);
if (slider.isEnabled()) {
isRollover = false;
slider.repaint();
}
}
}
}
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