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com.alee.laf.slider.SliderPainter Maven / Gradle / Ivy
package com.alee.laf.slider;
import com.alee.managers.style.Bounds;
import com.alee.painter.AbstractPainter;
import com.alee.utils.ColorUtils;
import com.alee.utils.GraphicsUtils;
import com.alee.utils.MathUtils;
import com.alee.utils.swing.WebTimer;
import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.GeneralPath;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import java.util.Dictionary;
import java.util.Enumeration;
/**
* Basic painter for {@link JSlider} component.
* It is used as {@link WebSliderUI} default painter.
*
* @param component type
* @param component UI type
* @author Alexandr Zernov
*/
public class SliderPainter extends AbstractPainter implements ISliderPainter
{
/**
* todo 1. Split into proper AbstractDecorationPainter & AbstractSectionDecorationPainter implementations
*/
public static final int MAX_DARKNESS = 5;
/**
* Style settings.
*/
protected int trackHeight;
protected int trackRound;
protected int trackShadeWidth;
protected int progressRound;
protected int progressShadeWidth;
protected int thumbWidth;
protected int thumbHeight;
protected int thumbRound;
protected int thumbAngleLength;
protected Color trackBgTop;
protected Color trackBgBottom;
protected Color progressTrackBgTop;
protected Color progressTrackBgBottom;
protected Color progressBorderColor;
protected Color thumbBgTop;
protected Color thumbBgBottom;
protected boolean drawProgress;
protected boolean drawThumb;
protected boolean angledThumb;
protected boolean sharpThumbAngle;
protected boolean rolloverDarkBorderOnly;
protected boolean animated;
/**
* Listeners.
*/
protected transient MouseWheelListener mouseWheelListener;
protected transient ChangeListener changeListener;
protected transient MouseAdapter mouseAdapter;
/**
* Runtime variables.
*/
protected transient boolean rollover = false;
protected transient int rolloverDarkness = 0;
protected transient WebTimer rolloverTimer;
/**
* Painting variables.
*/
protected transient int trackBuffer = 0; // The distance that the track is from the side of the control
protected transient Rectangle focusRect = null;
protected transient Rectangle contentRect = null;
protected transient Rectangle labelRect = null;
protected transient Rectangle tickRect = null;
protected transient Rectangle trackRect = null;
protected transient Rectangle thumbRect = null;
protected transient boolean dragging = false;
@Override
protected void installPropertiesAndListeners ()
{
super.installPropertiesAndListeners ();
// Initializing caches
focusRect = new Rectangle ();
contentRect = new Rectangle ();
labelRect = new Rectangle ();
tickRect = new Rectangle ();
trackRect = new Rectangle ();
thumbRect = new Rectangle ();
// Rollover mouse wheel scroll
mouseWheelListener = new MouseWheelListener ()
{
@Override
public void mouseWheelMoved ( final MouseWheelEvent e )
{
if ( component.isEnabled () )
{
final int v = component.getValue () - e.getWheelRotation ();
component.setValue ( MathUtils.limit ( component.getMinimum (), v, component.getMaximum () ) );
}
}
};
component.addMouseWheelListener ( mouseWheelListener );
// todo Requires optimizations
// Fixed value change repaint
changeListener = new ChangeListener ()
{
@Override
public void stateChanged ( final ChangeEvent e )
{
calculateThumbLocation ();
component.repaint ();
}
};
component.addChangeListener ( changeListener );
// todo Requires optimizations
// Rollover animator
rolloverTimer = new WebTimer ( "WebProgressBarUI.animator", 40, new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
if ( rollover && rolloverDarkness < MAX_DARKNESS )
{
rolloverDarkness++;
component.repaint ();
}
else if ( !rollover && rolloverDarkness > 0 )
{
rolloverDarkness--;
component.repaint ();
}
else
{
rolloverTimer.stop ();
}
}
} );
mouseAdapter = new MouseAdapter ()
{
@Override
public void mousePressed ( final MouseEvent e )
{
component.repaint ();
}
@Override
public void mouseReleased ( final MouseEvent e )
{
component.repaint ();
}
@Override
public void mouseDragged ( final MouseEvent e )
{
component.repaint ();
}
@Override
public void mouseEntered ( final MouseEvent e )
{
rollover = true;
if ( animated && component.isEnabled () )
{
rolloverTimer.start ();
}
else
{
rolloverDarkness = MAX_DARKNESS;
component.repaint ();
}
}
@Override
public void mouseExited ( final MouseEvent e )
{
rollover = false;
if ( animated && component.isEnabled () )
{
rolloverTimer.start ();
}
else
{
rolloverDarkness = 0;
component.repaint ();
}
}
};
component.addMouseListener ( mouseAdapter );
component.addMouseMotionListener ( mouseAdapter );
}
@Override
protected void uninstallPropertiesAndListeners ()
{
// Removing listeners
component.removeMouseWheelListener ( mouseWheelListener );
mouseWheelListener = null;
component.removeChangeListener ( changeListener );
changeListener = null;
component.removeMouseListener ( mouseAdapter );
component.removeMouseMotionListener ( mouseAdapter );
mouseAdapter = null;
// Cleaning up caches
focusRect = null;
contentRect = null;
labelRect = null;
tickRect = null;
trackRect = null;
thumbRect = null;
super.uninstallPropertiesAndListeners ();
}
@Override
public void paint ( final Graphics2D g2d, final C c, final U ui, final Bounds bounds )
{
calculateGeometry ();
final Rectangle clip = g2d.getClipBounds ();
if ( component.getPaintTrack () && clip.intersects ( trackRect ) )
{
paintTrack ( g2d );
}
if ( component.getPaintTicks () && clip.intersects ( tickRect ) )
{
paintTicks ( g2d );
}
if ( component.getPaintLabels () && clip.intersects ( labelRect ) )
{
paintLabels ( g2d );
}
if ( clip.intersects ( thumbRect ) )
{
paintThumb ( g2d );
}
}
protected void calculateGeometry ()
{
calculateFocusRect ();
calculateContentRect ();
calculateThumbSize ();
calculateTrackBuffer ();
calculateTrackRect ();
calculateTickRect ();
calculateLabelRect ();
calculateThumbLocation ();
}
protected void calculateFocusRect ()
{
final Insets insets = component.getInsets ();
focusRect.x = insets.left;
focusRect.y = insets.top;
focusRect.width = component.getWidth () - ( insets.left + insets.right );
focusRect.height = component.getHeight () - ( insets.top + insets.bottom );
}
protected void calculateThumbSize ()
{
final Dimension size = getThumbSize ();
thumbRect.setSize ( size.width, size.height );
}
protected void calculateContentRect ()
{
contentRect.x = focusRect.x;
contentRect.y = focusRect.y;
contentRect.width = focusRect.width;
contentRect.height = focusRect.height;
}
protected void calculateThumbLocation ()
{
if ( component.getSnapToTicks () )
{
final int sliderValue = component.getValue ();
int snappedValue = sliderValue;
final int majorTickSpacing = component.getMajorTickSpacing ();
final int minorTickSpacing = component.getMinorTickSpacing ();
int tickSpacing = 0;
if ( minorTickSpacing > 0 )
{
tickSpacing = minorTickSpacing;
}
else if ( majorTickSpacing > 0 )
{
tickSpacing = majorTickSpacing;
}
if ( tickSpacing != 0 )
{
// If it's not on a tick, change the value
if ( ( sliderValue - component.getMinimum () ) % tickSpacing != 0 )
{
final float temp = ( float ) ( sliderValue - component.getMinimum () ) / ( float ) tickSpacing;
final int whichTick = Math.round ( temp );
snappedValue = component.getMinimum () + whichTick * tickSpacing;
}
if ( snappedValue != sliderValue )
{
component.setValue ( snappedValue );
}
}
}
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
final int valuePosition = xPositionForValue ( component.getValue () );
thumbRect.x = valuePosition - thumbRect.width / 2;
thumbRect.y = trackRect.y;
}
else
{
final int valuePosition = yPositionForValue ( component.getValue () );
thumbRect.x = trackRect.x;
thumbRect.y = valuePosition - thumbRect.height / 2;
}
}
protected void calculateTrackBuffer ()
{
if ( component.getPaintLabels () && component.getLabelTable () != null )
{
final Component highLabel = getHighestValueLabel ();
final Component lowLabel = getLowestValueLabel ();
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
trackBuffer = Math.max ( highLabel.getBounds ().width, lowLabel.getBounds ().width ) / 2;
trackBuffer = Math.max ( trackBuffer, thumbRect.width / 2 );
}
else
{
trackBuffer = Math.max ( highLabel.getBounds ().height, lowLabel.getBounds ().height ) / 2;
trackBuffer = Math.max ( trackBuffer, thumbRect.height / 2 );
}
}
else
{
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
trackBuffer = thumbRect.width / 2;
}
else
{
trackBuffer = thumbRect.height / 2;
}
}
}
protected void calculateTrackRect ()
{
int centerSpacing; // used to center sliders added using BorderLayout.CENTER (bug 4275631)
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
centerSpacing = thumbRect.height;
if ( component.getPaintTicks () )
{
centerSpacing += getTickLength ();
}
if ( component.getPaintLabels () )
{
centerSpacing += getHeightOfTallestLabel ();
}
trackRect.x = contentRect.x + trackBuffer;
trackRect.y = contentRect.y + ( contentRect.height - centerSpacing - 1 ) / 2;
trackRect.width = contentRect.width - trackBuffer * 2;
trackRect.height = thumbRect.height;
}
else
{
centerSpacing = thumbRect.width;
if ( ltr )
{
if ( component.getPaintTicks () )
{
centerSpacing += getTickLength ();
}
if ( component.getPaintLabels () )
{
centerSpacing += getWidthOfWidestLabel ();
}
}
else
{
if ( component.getPaintTicks () )
{
centerSpacing -= getTickLength ();
}
if ( component.getPaintLabels () )
{
centerSpacing -= getWidthOfWidestLabel ();
}
}
trackRect.x = contentRect.x + ( contentRect.width - centerSpacing - 1 ) / 2;
trackRect.y = contentRect.y + trackBuffer;
trackRect.width = thumbRect.width;
trackRect.height = contentRect.height - trackBuffer * 2;
}
}
/**
* Gets the height of the tick area for horizontal sliders and the width of the
* tick area for vertical sliders. BasicSliderUI uses the returned value to
* determine the tick area rectangle. If you want to give your ticks some room,
* make this larger than you need and paint your ticks away from the sides in paintTicks().
*/
protected int getTickLength ()
{
return 8;
}
protected void calculateTickRect ()
{
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
tickRect.x = trackRect.x;
tickRect.y = trackRect.y + trackRect.height;
tickRect.width = trackRect.width;
tickRect.height = component.getPaintTicks () ? getTickLength () : 0;
}
else
{
tickRect.width = component.getPaintTicks () ? getTickLength () : 0;
if ( ltr )
{
tickRect.x = trackRect.x + trackRect.width;
}
else
{
tickRect.x = trackRect.x - tickRect.width;
}
tickRect.y = trackRect.y;
tickRect.height = trackRect.height;
}
}
protected void calculateLabelRect ()
{
if ( component.getPaintLabels () )
{
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
labelRect.x = tickRect.x - trackBuffer;
labelRect.y = tickRect.y + tickRect.height;
labelRect.width = tickRect.width + trackBuffer * 2;
labelRect.height = getHeightOfTallestLabel ();
}
else
{
if ( ltr )
{
labelRect.x = tickRect.x + tickRect.width;
labelRect.width = getWidthOfWidestLabel ();
}
else
{
labelRect.width = getWidthOfWidestLabel ();
labelRect.x = tickRect.x - labelRect.width;
}
labelRect.y = tickRect.y - trackBuffer;
labelRect.height = tickRect.height + trackBuffer * 2;
}
}
else
{
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
labelRect.x = tickRect.x;
labelRect.y = tickRect.y + tickRect.height;
labelRect.width = tickRect.width;
labelRect.height = 0;
}
else
{
if ( ltr )
{
labelRect.x = tickRect.x + tickRect.width;
}
else
{
labelRect.x = tickRect.x;
}
labelRect.y = tickRect.y;
labelRect.width = 0;
labelRect.height = tickRect.height;
}
}
}
protected int xPositionForValue ( final int value )
{
final int min = component.getMinimum ();
final int max = component.getMaximum ();
final int trackLength = trackRect.width;
final double valueRange = ( double ) max - ( double ) min;
final double pixelsPerValue = ( double ) trackLength / valueRange;
final int trackLeft = trackRect.x;
final int trackRight = trackRect.x + trackRect.width - 1;
int xPosition;
if ( !drawInverted () )
{
xPosition = trackLeft;
xPosition += Math.round ( pixelsPerValue * ( ( double ) value - min ) );
}
else
{
xPosition = trackRight;
xPosition -= Math.round ( pixelsPerValue * ( ( double ) value - min ) );
}
xPosition = Math.max ( trackLeft, xPosition );
xPosition = Math.min ( trackRight, xPosition );
return xPosition;
}
protected int yPositionForValue ( final int value )
{
return yPositionForValue ( value, trackRect.y, trackRect.height );
}
/**
* Returns the y location for the specified value.
* No checking is done on the arguments.
* In particular if {@code trackHeight} is negative undefined results may occur.
*
* @param value the slider value to get the location for
* @param trackY y-origin of the track
* @param trackHeight the height of the track
*/
protected int yPositionForValue ( final int value, final int trackY, final int trackHeight )
{
final int min = component.getMinimum ();
final int max = component.getMaximum ();
final double valueRange = ( double ) max - ( double ) min;
final double pixelsPerValue = ( double ) trackHeight / valueRange;
final int trackBottom = trackY + trackHeight - 1;
int yPosition;
if ( !drawInverted () )
{
yPosition = trackY;
yPosition += Math.round ( pixelsPerValue * ( ( double ) max - value ) );
}
else
{
yPosition = trackY;
yPosition += Math.round ( pixelsPerValue * ( ( double ) value - min ) );
}
yPosition = Math.max ( trackY, yPosition );
yPosition = Math.min ( trackBottom, yPosition );
return yPosition;
}
protected boolean drawInverted ()
{
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
if ( ltr )
{
return component.getInverted ();
}
else
{
return !component.getInverted ();
}
}
else
{
return component.getInverted ();
}
}
/**
* Returns the biggest value that has an entry in the label table.
*
* @return biggest value that has an entry in the label table, or
* null.
*/
protected Integer getHighestValue ()
{
final Dictionary dictionary = component.getLabelTable ();
if ( dictionary == null )
{
return null;
}
final Enumeration keys = dictionary.keys ();
Integer max = null;
while ( keys.hasMoreElements () )
{
final Integer i = ( Integer ) keys.nextElement ();
if ( max == null || i > max )
{
max = i;
}
}
return max;
}
/**
* Returns the smallest value that has an entry in the label table.
*
* @return smallest value that has an entry in the label table, or
* null.
*/
protected Integer getLowestValue ()
{
final Dictionary dictionary = component.getLabelTable ();
if ( dictionary == null )
{
return null;
}
final Enumeration keys = dictionary.keys ();
Integer min = null;
while ( keys.hasMoreElements () )
{
final Integer i = ( Integer ) keys.nextElement ();
if ( min == null || i < min )
{
min = i;
}
}
return min;
}
/**
* Returns the label that corresponds to the highest slider value in the label table.
*
* @see javax.swing.JSlider#setLabelTable
*/
protected Component getLowestValueLabel ()
{
final Integer min = getLowestValue ();
if ( min != null )
{
return ( Component ) component.getLabelTable ().get ( min );
}
return null;
}
/**
* Returns the label that corresponds to the lowest slider value in the label table.
*
* @see javax.swing.JSlider#setLabelTable
*/
protected Component getHighestValueLabel ()
{
final Integer max = getHighestValue ();
if ( max != null )
{
return ( Component ) component.getLabelTable ().get ( max );
}
return null;
}
protected int getWidthOfWidestLabel ()
{
final Dictionary dictionary = component.getLabelTable ();
int widest = 0;
if ( dictionary != null )
{
final Enumeration keys = dictionary.keys ();
while ( keys.hasMoreElements () )
{
final Component label = ( Component ) dictionary.get ( keys.nextElement () );
widest = Math.max ( label.getPreferredSize ().width, widest );
}
}
return widest;
}
protected int getHeightOfTallestLabel ()
{
final Dictionary dictionary = component.getLabelTable ();
int tallest = 0;
if ( dictionary != null )
{
final Enumeration keys = dictionary.keys ();
while ( keys.hasMoreElements () )
{
final Component label = ( Component ) dictionary.get ( keys.nextElement () );
tallest = Math.max ( label.getPreferredSize ().height, tallest );
}
}
return tallest;
}
protected Dimension getThumbSize ()
{
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
return new Dimension ( thumbWidth, thumbHeight );
}
else
{
return new Dimension ( thumbHeight, thumbWidth );
}
}
public void paintThumb ( final Graphics2D g2d )
{
if ( drawThumb )
{
final Object aa = GraphicsUtils.setupAntialias ( g2d );
// Thumb shape
final Shape ts = getThumbShape ();
// // Thumb shade
// if ( slider.isEnabled () )
// {
// LafUtils.drawShade ( g2d, ts, StyleConstants.shadeColor, thumbShadeWidth );
// }
// Thumb background
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
g2d.setPaint ( new GradientPaint ( 0, thumbRect.y, thumbBgTop, 0, thumbRect.y + thumbRect.height, thumbBgBottom ) );
}
else
{
g2d.setPaint ( new GradientPaint ( thumbRect.x, 0, thumbBgTop, thumbRect.x + thumbRect.width, 0, thumbBgBottom ) );
}
g2d.fill ( ts );
// Thumb border
g2d.setPaint ( component.isEnabled () ? Color.GRAY : Color.LIGHT_GRAY );
g2d.draw ( ts );
// Thumb focus
// LafUtils.drawCustomWebFocus ( g2d, slider, FocusType.fieldFocus, ts );
GraphicsUtils.restoreAntialias ( g2d, aa );
}
}
protected Shape getThumbShape ()
{
if ( angledThumb && ( component.getPaintLabels () || component.getPaintTicks () ) )
{
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
final GeneralPath gp = new GeneralPath ( GeneralPath.WIND_EVEN_ODD );
gp.moveTo ( thumbRect.x, thumbRect.y + thumbRound );
gp.quadTo ( thumbRect.x, thumbRect.y, thumbRect.x + thumbRound, thumbRect.y );
gp.lineTo ( thumbRect.x + thumbRect.width - thumbRound, thumbRect.y );
gp.quadTo ( thumbRect.x + thumbRect.width, thumbRect.y, thumbRect.x + thumbRect.width, thumbRect.y + thumbRound );
gp.lineTo ( thumbRect.x + thumbRect.width, thumbRect.y + thumbRect.height - thumbAngleLength );
if ( sharpThumbAngle )
{
gp.lineTo ( thumbRect.x + thumbRect.width / 2, thumbRect.y + thumbRect.height );
gp.lineTo ( thumbRect.x, thumbRect.y + thumbRect.height - thumbAngleLength );
}
else
{
gp.quadTo ( thumbRect.x + thumbRect.width, thumbRect.y + thumbRect.height - thumbAngleLength / 2,
thumbRect.x + thumbRect.width / 2, thumbRect.y + thumbRect.height );
gp.quadTo ( thumbRect.x, thumbRect.y + thumbRect.height - thumbAngleLength / 2, thumbRect.x,
thumbRect.y + thumbRect.height - thumbAngleLength );
}
gp.closePath ();
return gp;
}
else
{
final GeneralPath gp = new GeneralPath ( GeneralPath.WIND_EVEN_ODD );
if ( ltr )
{
gp.moveTo ( thumbRect.x, thumbRect.y + thumbRound );
gp.quadTo ( thumbRect.x, thumbRect.y, thumbRect.x + thumbRound, thumbRect.y );
gp.lineTo ( thumbRect.x + thumbRect.width - thumbAngleLength, thumbRect.y );
if ( sharpThumbAngle )
{
gp.lineTo ( thumbRect.x + thumbRect.width, thumbRect.y + thumbRect.height / 2 );
gp.lineTo ( thumbRect.x + thumbRect.width - thumbAngleLength, thumbRect.y + thumbRect.height );
}
else
{
gp.quadTo ( thumbRect.x + thumbRect.width - thumbAngleLength / 2, thumbRect.y, thumbRect.x + thumbRect.width,
thumbRect.y + thumbRect.height / 2 );
gp.quadTo ( thumbRect.x + thumbRect.width - thumbAngleLength / 2, thumbRect.y + thumbRect.height,
thumbRect.x + thumbRect.width - thumbAngleLength, thumbRect.y + thumbRect.height );
}
gp.lineTo ( thumbRect.x + thumbRound, thumbRect.y + thumbRect.height );
gp.quadTo ( thumbRect.x, thumbRect.y + thumbRect.height, thumbRect.x, thumbRect.y + thumbRect.height - thumbRound );
}
else
{
gp.moveTo ( thumbRect.x + thumbRect.width - thumbRound, thumbRect.y );
gp.quadTo ( thumbRect.x + thumbRect.width, thumbRect.y, thumbRect.x + thumbRect.width, thumbRect.y + thumbRound );
gp.lineTo ( thumbRect.x + thumbRect.width, thumbRect.y + thumbRect.height - thumbRound );
gp.quadTo ( thumbRect.x + thumbRect.width, thumbRect.y + thumbRect.height, thumbRect.x + thumbRect.width - thumbRound,
thumbRect.y + thumbRect.height );
gp.lineTo ( thumbRect.x + thumbAngleLength, thumbRect.y + thumbRect.height );
if ( sharpThumbAngle )
{
gp.lineTo ( thumbRect.x, thumbRect.y + thumbRect.height / 2 );
gp.lineTo ( thumbRect.x + thumbAngleLength, thumbRect.y );
}
else
{
gp.quadTo ( thumbRect.x + thumbAngleLength / 2, thumbRect.y + thumbRect.height, thumbRect.x,
thumbRect.y + thumbRect.height / 2 );
gp.quadTo ( thumbRect.x + thumbAngleLength / 2, thumbRect.y, thumbRect.x + thumbAngleLength, thumbRect.y );
}
}
gp.closePath ();
return gp;
}
}
else
{
return new RoundRectangle2D.Double ( thumbRect.x, thumbRect.y, thumbRect.width, thumbRect.height, thumbRound * 2,
thumbRound * 2 );
}
}
public void paintTrack ( final Graphics2D g2d )
{
final Object aa = GraphicsUtils.setupAntialias ( g2d );
// Track shape
final Shape ss = getTrackShape ();
// Track background & shade
{
// Track shade
if ( component.isEnabled () )
{
GraphicsUtils.drawShade ( g2d, ss, component.isFocusOwner () ? new Color ( 85, 142, 239 ) : new Color ( 210, 210, 210 ),
trackShadeWidth );
}
// Track background
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
g2d.setPaint ( new GradientPaint ( 0, trackRect.y, trackBgTop, 0, trackRect.y + trackRect.height, trackBgBottom ) );
}
else
{
g2d.setPaint ( new GradientPaint ( trackRect.x, 0, trackBgTop, trackRect.x + trackRect.width, 0, trackBgBottom ) );
}
g2d.fill ( ss );
}
// Inner progress line
if ( drawProgress )
{
// Progress shape
final Shape ps = getProgressShape ();
// Progress shade
if ( component.isEnabled () )
{
GraphicsUtils.drawShade ( g2d, ps, new Color ( 210, 210, 210 ), progressShadeWidth );
}
// Progress background
final Rectangle bounds = ss.getBounds ();
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
g2d.setPaint ( new GradientPaint ( 0, bounds.y + progressShadeWidth, progressTrackBgTop, 0,
bounds.y + bounds.height - progressShadeWidth, progressTrackBgBottom ) );
}
else
{
g2d.setPaint ( new GradientPaint ( bounds.x + progressShadeWidth, 0, progressTrackBgTop,
bounds.x + bounds.width - progressShadeWidth, 0, progressTrackBgBottom ) );
}
g2d.fill ( ps );
// Progress border
g2d.setPaint ( component.isEnabled () ? progressBorderColor : Color.LIGHT_GRAY );
g2d.draw ( ps );
}
// Track border & focus
{
// Track border
g2d.setPaint ( component.isEnabled () ? rolloverDarkBorderOnly && !dragging ?
getBorderColor () : Color.GRAY : Color.LIGHT_GRAY );
g2d.draw ( ss );
}
GraphicsUtils.restoreAntialias ( g2d, aa );
}
protected Shape getTrackShape ()
{
if ( trackRound > 0 )
{
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
return new RoundRectangle2D.Double ( trackRect.x - trackRound, trackRect.y + trackRect.height / 2 - trackHeight / 2,
trackRect.width + trackRound * 2 - 1, trackHeight, trackRound * 2, trackRound * 2 );
}
else
{
return new RoundRectangle2D.Double ( trackRect.x + trackRect.width / 2 - trackHeight / 2, trackRect.y - trackRound,
trackHeight, trackRect.height + trackRound * 2 - 1, trackRound * 2, trackRound * 2 );
}
}
else
{
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
return new Rectangle2D.Double ( trackRect.x, trackRect.y + trackRect.height / 2 - trackHeight / 2, trackRect.width - 1,
trackHeight );
}
else
{
return new Rectangle2D.Double ( trackRect.x + trackRect.width / 2 - trackHeight / 2, trackRect.y, trackHeight,
trackRect.height - 1 );
}
}
}
protected Shape getProgressShape ()
{
if ( trackRound > 0 )
{
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
final int x;
final int w;
if ( ltr )
{
x = trackRect.x - trackRound + progressShadeWidth;
w = thumbRect.x + thumbRect.width / 2 + progressRound - x;
}
else
{
x = thumbRect.x + thumbRect.width / 2 - progressRound;
w = trackRect.x + trackRect.width + trackRound -
progressShadeWidth - 1 - x;
}
return new RoundRectangle2D.Double ( x, trackRect.y + trackRect.height / 2 - trackHeight / 2 + progressShadeWidth, w,
trackHeight - progressShadeWidth * 2, progressRound * 2, progressRound * 2 );
}
else
{
final int y = thumbRect.y + thumbRect.height / 2;
final int h = trackRect.y + trackRect.height + trackRound - progressShadeWidth - y - 1;
return new RoundRectangle2D.Double ( trackRect.x + progressShadeWidth + trackRect.width / 2 - trackHeight / 2, y,
trackHeight - progressShadeWidth * 2, h, progressRound * 2, progressRound * 2 );
}
}
else
{
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
final int x;
final int w;
if ( ltr )
{
x = trackRect.x + progressShadeWidth;
w = thumbRect.x + thumbRect.width / 2 - x;
}
else
{
x = thumbRect.x + thumbRect.width / 2;
w = trackRect.x + trackRect.width - progressShadeWidth - 1 - x;
}
return new Rectangle2D.Double ( x, trackRect.y + trackRect.height / 2 - trackHeight / 2 + progressShadeWidth, w,
trackHeight - progressShadeWidth * 2 );
}
else
{
final int y = trackRect.y + progressShadeWidth;
final int h = thumbRect.y + thumbRect.height / 2 - y;
return new Rectangle2D.Double ( trackRect.x + progressShadeWidth + trackRect.width / 2 - trackHeight / 2, y,
trackHeight - progressShadeWidth * 2, h );
}
}
}
public void paintTicks ( final Graphics g )
{
final Rectangle tickBounds = tickRect;
g.setColor ( component.isEnabled () ? Color.BLACK : Color.LIGHT_GRAY );
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
g.translate ( 0, tickBounds.y );
int value = component.getMinimum ();
int xPos;
if ( component.getMinorTickSpacing () > 0 )
{
while ( value <= component.getMaximum () )
{
xPos = xPositionForValue ( value );
paintMinorTickForHorizontalSlider ( g, tickBounds, xPos );
value += component.getMinorTickSpacing ();
}
}
if ( component.getMajorTickSpacing () > 0 )
{
value = component.getMinimum ();
while ( value <= component.getMaximum () )
{
xPos = xPositionForValue ( value );
paintMajorTickForHorizontalSlider ( g, tickBounds, xPos );
value += component.getMajorTickSpacing ();
}
}
g.translate ( 0, -tickBounds.y );
}
else
{
g.translate ( tickBounds.x, 0 );
int value = component.getMinimum ();
int yPos;
if ( component.getMinorTickSpacing () > 0 )
{
int offset = 0;
if ( !ltr )
{
offset = tickBounds.width - tickBounds.width / 2;
g.translate ( offset, 0 );
}
while ( value <= component.getMaximum () )
{
yPos = yPositionForValue ( value );
paintMinorTickForVerticalSlider ( g, tickBounds, yPos );
value += component.getMinorTickSpacing ();
}
if ( !ltr )
{
g.translate ( -offset, 0 );
}
}
if ( component.getMajorTickSpacing () > 0 )
{
value = component.getMinimum ();
if ( !ltr )
{
g.translate ( 2, 0 );
}
while ( value <= component.getMaximum () )
{
yPos = yPositionForValue ( value );
paintMajorTickForVerticalSlider ( g, tickBounds, yPos );
value += component.getMajorTickSpacing ();
}
if ( !ltr )
{
g.translate ( -2, 0 );
}
}
g.translate ( -tickBounds.x, 0 );
}
}
protected void paintMinorTickForHorizontalSlider ( final Graphics g, final Rectangle tickBounds, final int x )
{
g.drawLine ( x, 0, x, tickBounds.height / 2 - 1 );
}
protected void paintMajorTickForHorizontalSlider ( final Graphics g, final Rectangle tickBounds, final int x )
{
g.drawLine ( x, 0, x, tickBounds.height - 2 );
}
protected void paintMinorTickForVerticalSlider ( final Graphics g, final Rectangle tickBounds, final int y )
{
g.drawLine ( 0, y, tickBounds.width / 2 - 1, y );
}
protected void paintMajorTickForVerticalSlider ( final Graphics g, final Rectangle tickBounds, final int y )
{
g.drawLine ( 0, y, tickBounds.width - 2, y );
}
public void paintLabels ( final Graphics g )
{
final Rectangle labelBounds = labelRect;
final Dictionary dictionary = component.getLabelTable ();
if ( dictionary != null )
{
final Enumeration keys = dictionary.keys ();
final int minValue = component.getMinimum ();
final int maxValue = component.getMaximum ();
final boolean enabled = component.isEnabled ();
while ( keys.hasMoreElements () )
{
final Integer key = ( Integer ) keys.nextElement ();
final int value = key;
if ( value >= minValue && value <= maxValue )
{
final Component label = ( Component ) dictionary.get ( key );
if ( label instanceof JComponent )
{
label.setEnabled ( enabled );
}
if ( component.getOrientation () == JSlider.HORIZONTAL )
{
g.translate ( 0, labelBounds.y );
paintHorizontalLabel ( g, value, label );
g.translate ( 0, -labelBounds.y );
}
else
{
int offset = 0;
if ( !ltr )
{
offset = labelBounds.width - label.getPreferredSize ().width;
}
g.translate ( labelBounds.x + offset, 0 );
paintVerticalLabel ( g, value, label );
g.translate ( -labelBounds.x - offset, 0 );
}
}
}
}
}
/**
* Called for every label in the label table. Used to draw the labels for horizontal sliders.
* The graphics have been translated to labelRect.y already.
*
* @see JSlider#setLabelTable
*/
protected void paintHorizontalLabel ( final Graphics g, final int value, final Component label )
{
final int labelCenter = xPositionForValue ( value );
final int labelLeft = labelCenter - label.getPreferredSize ().width / 2;
g.translate ( labelLeft, 0 );
label.paint ( g );
g.translate ( -labelLeft, 0 );
}
/**
* Called for every label in the label table. Used to draw the labels for vertical sliders.
* The graphics have been translated to labelRect.x already.
*
* @see JSlider#setLabelTable
*/
protected void paintVerticalLabel ( final Graphics g, final int value, final Component label )
{
final int labelCenter = yPositionForValue ( value );
final int labelTop = labelCenter - label.getPreferredSize ().height / 2;
g.translate ( 0, labelTop );
label.paint ( g );
g.translate ( 0, -labelTop );
}
protected float getProgress ()
{
return ( float ) rolloverDarkness / MAX_DARKNESS;
}
protected Color getBorderColor ()
{
return ColorUtils.intermediate ( new Color ( 170, 170, 170 ), Color.GRAY, getProgress () );
}
@Override
public void setDragging ( final boolean dragging )
{
this.dragging = dragging;
}
}
