Class MetalSliderUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.SliderUI

javax.swing.plaf.basic.BasicSliderUI

javax.swing.plaf.metal.MetalSliderUI

public class MetalSliderUI
extends BasicSliderUI

A Java L&F implementation of SliderUI.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans has been added to the java.beans package. Please see XMLEncoder.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	MetalSliderUI.MetalPropertyListener	PropertyListener for JSlider.isFilled.

Nested classes/interfaces inherited from class BasicSliderUI

BasicSliderUI.ActionScroller, BasicSliderUI.ChangeHandler, BasicSliderUI.ComponentHandler, BasicSliderUI.FocusHandler, BasicSliderUI.PropertyChangeHandler, BasicSliderUI.ScrollListener, BasicSliderUI.TrackListener

Field Summary

Fields

Modifier and Type	Field	Description
protected static Color	darkShadowColor	The color of dark shadow.
protected boolean	filledSlider	The value of the property JSlider.isFilled.
protected static Color	highlightColor	The color of highlighting.
protected static Icon	horizThumbIcon	A default horizontal thumb Icon.
protected final String	SLIDER_FILL	Property for JSlider.isFilled.
protected static Color	thumbColor	The color of a thumb
protected final int	TICK_BUFFER	The buffer of a tick.
protected static int	tickLength	The length of a tick.
protected static int	trackWidth	The width of a track.
protected static Icon	vertThumbIcon	A default vertical thumb Icon.

Fields inherited from class BasicSliderUI

changeListener, componentListener, contentRect, focusInsets, focusListener, focusRect, insetCache, labelRect, leftToRightCache, MAX_SCROLL, MIN_SCROLL, NEGATIVE_SCROLL, POSITIVE_SCROLL, propertyChangeListener, scrollListener, scrollTimer, slider, thumbRect, tickRect, trackBuffer, trackListener, trackRect

Constructor Summary

Constructors

Constructor	Description
MetalSliderUI()	Constructs a MetalSliderUI instance.

Method Summary

Modifier and Type	Method	Description
protected PropertyChangeListener	createPropertyChangeListener(JSlider slider)	Constructs MetalPropertyListener.
static ComponentUI	createUI(JComponent c)	Constructs a MetalSliderUI instance.
protected int	getThumbOverhang()	Returns the amount that the thumb goes past the slide bar.
protected Dimension	getThumbSize()	Returns the thumb size.
int	getTickLength()	Gets the height of the tick area for horizontal sliders and the width of the tick area for vertical sliders.
protected int	getTrackLength()	Returns the longer dimension of the slide bar.
protected int	getTrackWidth()	Returns the shorter dimension of the track.
void	installUI(JComponent c)	Installs a UI.
void	paintFocus(Graphics g)	Paints focus.
protected void	paintMajorTickForHorizSlider(Graphics g, Rectangle tickBounds, int x)	Paints major tick for horizontal slider.
protected void	paintMajorTickForVertSlider(Graphics g, Rectangle tickBounds, int y)	Paints major tick for vertical slider.
protected void	paintMinorTickForHorizSlider(Graphics g, Rectangle tickBounds, int x)	Paints minor tick for horizontal slider.
protected void	paintMinorTickForVertSlider(Graphics g, Rectangle tickBounds, int y)	Paints minor tick for vertical slider.
void	paintThumb(Graphics g)	Paints the thumb.
void	paintTrack(Graphics g)	Paints track.
protected void	scrollDueToClickInTrack(int dir)	This function is called when a mousePressed was detected in the track, not in the thumb.

Methods inherited from class BasicSliderUI

calculateContentRect, calculateFocusRect, calculateGeometry, calculateLabelRect, calculateThumbLocation, calculateThumbSize, calculateTickRect, calculateTrackBuffer, calculateTrackRect, createChangeListener, createComponentListener, createFocusListener, createScrollListener, createTrackListener, drawInverted, getBaseline, getBaselineResizeBehavior, getFocusColor, getHeightOfHighValueLabel, getHeightOfLowValueLabel, getHeightOfTallestLabel, getHighestValue, getHighestValueLabel, getHighlightColor, getLowestValue, getLowestValueLabel, getMaximumSize, getMinimumHorizontalSize, getMinimumSize, getMinimumVerticalSize, getPreferredHorizontalSize, getPreferredSize, getPreferredVerticalSize, getShadowColor, getWidthOfHighValueLabel, getWidthOfLowValueLabel, getWidthOfWidestLabel, installDefaults, installKeyboardActions, installListeners, isDragging, labelsHaveSameBaselines, paint, paintHorizontalLabel, paintLabels, paintTicks, paintVerticalLabel, recalculateIfInsetsChanged, recalculateIfOrientationChanged, scrollByBlock, scrollByUnit, setThumbLocation, uninstallDefaults, uninstallKeyboardActions, uninstallListeners, uninstallUI, valueForXPosition, valueForYPosition, xPositionForValue, yPositionForValue, yPositionForValue

Methods inherited from class ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, update

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

TICK_BUFFER

protected final int TICK_BUFFER

The buffer of a tick.

See Also:

• Constant Field Values

filledSlider

protected boolean filledSlider

The value of the property JSlider.isFilled. By default, false if the property is not set, true for Ocean theme.

thumbColor

protected static Color thumbColor

The color of a thumb

highlightColor

protected static Color highlightColor

The color of highlighting.

darkShadowColor

protected static Color darkShadowColor

The color of dark shadow.

trackWidth

protected static int trackWidth

The width of a track.

tickLength

protected static int tickLength

The length of a tick.

horizThumbIcon

protected static Icon horizThumbIcon

A default horizontal thumb Icon. This field might not be used. To change the Icon used by this delegate directly set it using the Slider.horizontalThumbIcon UIManager property.

vertThumbIcon

protected static Icon vertThumbIcon

A default vertical thumb Icon. This field might not be used. To change the Icon used by this delegate directly set it using the Slider.verticalThumbIcon UIManager property.

SLIDER_FILL

protected final String SLIDER_FILL

Property for JSlider.isFilled.

See Also:

• Constant Field Values

Constructor Details

MetalSliderUI

public MetalSliderUI()

Constructs a MetalSliderUI instance.

Method Details

createUI

public static ComponentUI createUI(JComponent c)

Constructs a MetalSliderUI instance.

Parameters:

c - a component

Returns:

a MetalSliderUI instance

installUI

public void installUI(JComponent c)

Description copied from class: BasicSliderUI

Installs a UI.

Overrides:

installUI in class BasicSliderUI

Parameters:

c - a component

See Also:

• ComponentUI.uninstallUI(JComponent)
• JComponent.setUI(ComponentUI)
• JComponent.updateUI()

createPropertyChangeListener

protected PropertyChangeListener createPropertyChangeListener(JSlider slider)

Constructs MetalPropertyListener.

Overrides:

createPropertyChangeListener in class BasicSliderUI

Parameters:

slider - a JSlider

Returns:

the MetalPropertyListener

paintThumb

public void paintThumb(Graphics g)

Description copied from class: BasicSliderUI

Paints the thumb.

Overrides:

paintThumb in class BasicSliderUI

Parameters:

g - the graphics

paintTrack

public void paintTrack(Graphics g)

Description copied from class: BasicSliderUI

Paints track.

Overrides:

paintTrack in class BasicSliderUI

Parameters:

g - the graphics

paintFocus

public void paintFocus(Graphics g)

Description copied from class: BasicSliderUI

Paints focus.

Overrides:

paintFocus in class BasicSliderUI

Parameters:

g - the graphics

getThumbSize

protected Dimension getThumbSize()

Description copied from class: BasicSliderUI

Returns the thumb size.

Overrides:

getThumbSize in class BasicSliderUI

Returns:

the thumb size

getTickLength

public int getTickLength()

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.

Overrides:

getTickLength in class BasicSliderUI

Returns:

an integer representing the height of the tick area for horizontal sliders, and the width of the tick area for the vertical sliders

getTrackWidth

protected int getTrackWidth()

Returns the shorter dimension of the track.

Returns:

the shorter dimension of the track

getTrackLength

protected int getTrackLength()

Returns the longer dimension of the slide bar. (The slide bar is only the part that runs directly under the thumb)

Returns:

the longer dimension of the slide bar

getThumbOverhang

protected int getThumbOverhang()

Returns the amount that the thumb goes past the slide bar.

Returns:

the amount that the thumb goes past the slide bar

scrollDueToClickInTrack

protected void scrollDueToClickInTrack(int dir)

Description copied from class: BasicSliderUI

This function is called when a mousePressed was detected in the track, not in the thumb. The default behavior is to scroll by block. You can override this method to stop it from scrolling or to add additional behavior.

Overrides:

scrollDueToClickInTrack in class BasicSliderUI

Parameters:

dir - the direction and number of blocks to scroll

paintMinorTickForHorizSlider

protected void paintMinorTickForHorizSlider(Graphics g,
 Rectangle tickBounds,
 int x)

Description copied from class: BasicSliderUI

Paints minor tick for horizontal slider.

Overrides:

paintMinorTickForHorizSlider in class BasicSliderUI

Parameters:

g - the graphics

tickBounds - the tick bounds

x - the x coordinate

paintMajorTickForHorizSlider

protected void paintMajorTickForHorizSlider(Graphics g,
 Rectangle tickBounds,
 int x)

Description copied from class: BasicSliderUI

Paints major tick for horizontal slider.

Overrides:

paintMajorTickForHorizSlider in class BasicSliderUI

Parameters:

g - the graphics

tickBounds - the tick bounds

x - the x coordinate

paintMinorTickForVertSlider

protected void paintMinorTickForVertSlider(Graphics g,
 Rectangle tickBounds,
 int y)

Description copied from class: BasicSliderUI

Paints minor tick for vertical slider.

Overrides:

paintMinorTickForVertSlider in class BasicSliderUI

Parameters:

g - the graphics

tickBounds - the tick bounds

y - the y coordinate

paintMajorTickForVertSlider

protected void paintMajorTickForVertSlider(Graphics g,
 Rectangle tickBounds,
 int y)

Description copied from class: BasicSliderUI

Paints major tick for vertical slider.

Overrides:

paintMajorTickForVertSlider in class BasicSliderUI

Parameters:

g - the graphics

tickBounds - the tick bounds

y - the y coordinate