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

Modifier and Type	Class	Description
class	BasicSliderUI.ActionScroller	As of Java 2 platform v1.3 this undocumented class is no longer used.
class	BasicSliderUI.ChangeHandler	Data model listener.
class	BasicSliderUI.ComponentHandler	Listener for resizing events.
class	BasicSliderUI.FocusHandler	Focus-change listener.
class	BasicSliderUI.PropertyChangeHandler	A property change handler.
class	BasicSliderUI.ScrollListener	Scroll-event listener.
class	BasicSliderUI.TrackListener	Track mouse movements.

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

Modifier and Type	Field	Description
protected ChangeListener	changeListener	Change listener
protected ComponentListener	componentListener	Component listener
protected Rectangle	contentRect	Content rectangle
protected Insets	focusInsets	Focus insets
protected FocusListener	focusListener	Focus listener
protected Rectangle	focusRect	Focus rectangle
protected Insets	insetCache	Inset cache
protected Rectangle	labelRect	Label rectangle
protected boolean	leftToRightCache	Left-to-right cache
static final int	MAX_SCROLL	Maximum scroll
static final int	MIN_SCROLL	Minimum scroll
static final int	NEGATIVE_SCROLL	Negative scroll
static final int	POSITIVE_SCROLL	Positive scroll
protected PropertyChangeListener	propertyChangeListener	Property change listener
protected BasicSliderUI.ScrollListener	scrollListener	Scroll listener
protected Timer	scrollTimer	Scroll timer
protected JSlider	slider	Slider
protected Rectangle	thumbRect	Thumb rectangle
protected Rectangle	tickRect	Tick rectangle
protected int	trackBuffer	The distance that the track is from the side of the control
protected BasicSliderUI.TrackListener	trackListener	Track listener
protected Rectangle	trackRect	Track rectangle

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

Modifier and Type	Method	Description
protected void	calculateContentRect()	Calculates the content rectangle.
protected void	calculateFocusRect()	Calculates the focus rectangle.
protected void	calculateGeometry()	Calculates the geometry.
protected void	calculateLabelRect()	Calculates the label rectangle.
protected void	calculateThumbLocation()	Calculates the thumb location.
protected void	calculateThumbSize()	Calculates the thumb size rectangle.
protected void	calculateTickRect()	Calculates the tick rectangle.
protected void	calculateTrackBuffer()	Calculates the track buffer.
protected void	calculateTrackRect()	Calculates the track rectangle.
protected ChangeListener	createChangeListener(JSlider slider)	Creates a change listener.
protected ComponentListener	createComponentListener(JSlider slider)	Creates a composite listener.
protected FocusListener	createFocusListener(JSlider slider)	Creates a focus listener.
protected BasicSliderUI.ScrollListener	createScrollListener(JSlider slider)	Creates a scroll listener.
protected BasicSliderUI.TrackListener	createTrackListener(JSlider slider)	Creates a track listener.
protected boolean	drawInverted()	Draws inverted.
int	getBaseline(JComponent c, int width, int height)	Returns the baseline.
Component.BaselineResizeBehavior	getBaselineResizeBehavior(JComponent c)	Returns an enum indicating how the baseline of the component changes as the size changes.
protected Color	getFocusColor()	Returns the focus color.
protected int	getHeightOfHighValueLabel()	Returns the height of the highest value label.
protected int	getHeightOfLowValueLabel()	Returns the height of the lowest value label.
protected int	getHeightOfTallestLabel()	Returns the height of the tallest label.
protected Integer	getHighestValue()	Returns the biggest value that has an entry in the label table.
protected Component	getHighestValueLabel()	Returns the label that corresponds to the lowest slider value in the label table.
protected Color	getHighlightColor()	Returns the highlight color.
protected Integer	getLowestValue()	Returns the smallest value that has an entry in the label table.
protected Component	getLowestValueLabel()	Returns the label that corresponds to the highest slider value in the label table.
Dimension	getMaximumSize(JComponent c)	Returns the maximum size.
Dimension	getMinimumHorizontalSize()	Returns the minimum horizontal size.
Dimension	getMinimumSize(JComponent c)	Returns the minimum size.
Dimension	getMinimumVerticalSize()	Returns the minimum vertical size.
Dimension	getPreferredHorizontalSize()	Returns the preferred horizontal size.
Dimension	getPreferredSize(JComponent c)	Returns the preferred size.
Dimension	getPreferredVerticalSize()	Returns the preferred vertical size.
protected Color	getShadowColor()	Returns the shadow color.
protected int	getWidthOfHighValueLabel()	Returns the width of the highest value label.
protected int	getWidthOfLowValueLabel()	Returns the width of the lowest value label.
protected int	getWidthOfWidestLabel()	Returns the width of the widest label.
protected void	installDefaults(JSlider slider)	Installs the defaults.
protected void	installKeyboardActions(JSlider slider)	Installs keyboard actions.
protected void	installListeners(JSlider slider)	Installs listeners.
protected boolean	isDragging()	Returns true if the user is dragging the slider.
protected boolean	labelsHaveSameBaselines()	Returns true if all the labels from the label table have the same baseline.
void	paint(Graphics g, JComponent c)	Paints the specified component appropriately for the look and feel.
protected void	paintHorizontalLabel(Graphics g, int value, Component label)	Called for every label in the label table.
void	paintLabels(Graphics g)	Paints the labels.
void	paintTicks(Graphics g)	Paints ticks.
protected void	paintVerticalLabel(Graphics g, int value, Component label)	Called for every label in the label table.
protected void	recalculateIfInsetsChanged()	Recalculates if the insets have changed.
protected void	recalculateIfOrientationChanged()	Recalculates if the orientation has changed.
void	scrollByBlock(int direction)	Scrolls by block.
void	scrollByUnit(int direction)	Scrolls by unit.
void	setThumbLocation(int x, int y)	Sets the thumb location.
protected void	uninstallDefaults(JSlider slider)	Uninstalls the defaults.
protected void	uninstallKeyboardActions(JSlider slider)	Uninstalls keyboard actions.
protected void	uninstallListeners(JSlider slider)	Uninstalls listeners.
void	uninstallUI(JComponent c)	Uninstalls a UI.
int	valueForXPosition(int xPos)	Returns the value at the x position.
int	valueForYPosition(int yPos)	Returns the value at the y position.
protected int	xPositionForValue(int value)	Returns the x position for a value.
protected int	yPositionForValue(int value)	Returns the y position for a value.
protected int	yPositionForValue(int value, int trackY, int trackHeight)	Returns the y location for the specified value.

Methods inherited from class ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, update

Modifier and Type	Method	Description
boolean	contains(JComponent c, int x, int y)	Returns true if the specified x,y location is contained within the look and feel's defined shape of the specified component.
Accessible	getAccessibleChild(JComponent c, int i)	Returns the ith Accessible child of the object.
int	getAccessibleChildrenCount(JComponent c)	Returns the number of accessible children in the object.
void	update(Graphics g, JComponent c)	Notifies this UI delegate that it is time to paint the specified component.

Methods inherited from class Object

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

Modifier and Type	Method	Description
protected Object	clone()	Creates and returns a copy of this object.
boolean	equals(Object obj)	Indicates whether some other object is "equal to" this one.
protected void	finalize()	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
final Class<?>	getClass()	Returns the runtime class of this Object.
int	hashCode()	Returns a hash code value for this object.
final void	notify()	Wakes up a single thread that is waiting on this object's monitor.
final void	notifyAll()	Wakes up all threads that are waiting on this object's monitor.
String	toString()	Returns a string representation of the object.
final void	wait()	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void	wait(long timeoutMillis)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void	wait(long timeoutMillis, int nanos)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

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