Class SynthSliderUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.SliderUI

javax.swing.plaf.basic.BasicSliderUI

javax.swing.plaf.synth.SynthSliderUI

All Implemented Interfaces:

PropertyChangeListener, EventListener, SynthConstants, SynthUI

public class SynthSliderUI
extends BasicSliderUI
implements PropertyChangeListener, SynthUI

Provides the Synth L&F UI delegate for JSlider.

Since:

1.7

Nested Class Summary

Nested classes/interfaces inherited from class BasicSliderUI

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

Field Summary

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

Fields inherited from interface SynthConstants

DEFAULT, DISABLED, ENABLED, FOCUSED, MOUSE_OVER, PRESSED, SELECTED

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SynthSliderUI(JSlider c)	Constructs a SynthSliderUI.

Method Summary

Modifier and Type	Method	Description
protected void	calculateGeometry()	Calculates the geometry.
protected void	calculateThumbLocation()	Calculates the thumb location.
protected BasicSliderUI.TrackListener	createTrackListener(JSlider s)	Creates a track listener.
static ComponentUI	createUI(JComponent c)	Creates a new UI object for the given component.
int	getBaseline(JComponent c, int width, int height)	Returns the baseline.
SynthContext	getContext(JComponent c)	Returns the Context for the specified component.
Dimension	getMinimumSize(JComponent c)	Returns the minimum size.
Dimension	getPreferredSize(JComponent c)	Returns the preferred size.
protected Dimension	getThumbSize()	Returns the thumb size.
protected void	installDefaults(JSlider slider)	Installs the defaults.
protected void	installListeners(JSlider slider)	Installs listeners.
protected void	layout()	Lays out the slider.
void	paint(Graphics g, JComponent c)	Paints the specified component according to the Look and Feel.
protected void	paint(SynthContext context, Graphics g)	Paints the specified component.
void	paintBorder(SynthContext context, Graphics g, int x, int y, int w, int h)	Paints the border.
protected void	paintThumb(SynthContext context, Graphics g, Rectangle thumbBounds)	Paints the slider thumb.
protected void	paintTrack(SynthContext context, Graphics g, Rectangle trackBounds)	Paints the slider track.
void	propertyChange(PropertyChangeEvent e)	This method gets called when a bound property is changed.
protected void	recalculateIfInsetsChanged()	Recalculates if the insets have changed.
void	setThumbLocation(int x, int y)	Sets the thumb location.
protected void	uninstallDefaults(JSlider slider)	Uninstalls default setting.
protected void	uninstallListeners(JSlider slider)	Uninstalls listeners.
void	update(Graphics g, JComponent c)	Notifies this UI delegate to repaint the specified component.
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, int trackY, int trackHeight)	Returns the y location for the specified value.

Methods inherited from class BasicSliderUI

calculateContentRect, calculateFocusRect, calculateLabelRect, calculateThumbSize, calculateTickRect, calculateTrackBuffer, calculateTrackRect, createChangeListener, createComponentListener, createFocusListener, createPropertyChangeListener, createScrollListener, drawInverted, getBaselineResizeBehavior, getFocusColor, getHeightOfHighValueLabel, getHeightOfLowValueLabel, getHeightOfTallestLabel, getHighestValue, getHighestValueLabel, getHighlightColor, getLowestValue, getLowestValueLabel, getMaximumSize, getMinimumHorizontalSize, getMinimumVerticalSize, getPreferredHorizontalSize, getPreferredVerticalSize, getShadowColor, getTickLength, getWidthOfHighValueLabel, getWidthOfLowValueLabel, getWidthOfWidestLabel, installKeyboardActions, installUI, isDragging, labelsHaveSameBaselines, paintFocus, paintHorizontalLabel, paintLabels, paintMajorTickForHorizSlider, paintMajorTickForVertSlider, paintMinorTickForHorizSlider, paintMinorTickForVertSlider, paintThumb, paintTicks, paintTrack, paintVerticalLabel, recalculateIfOrientationChanged, scrollByBlock, scrollByUnit, scrollDueToClickInTrack, uninstallKeyboardActions, uninstallUI, yPositionForValue

Methods inherited from class ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount

Methods inherited from class Object

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

Constructor Details

SynthSliderUI

protected SynthSliderUI(JSlider c)

Constructs a SynthSliderUI.

Parameters:

c - a slider

Method Details

createUI

public static ComponentUI createUI(JComponent c)

Creates a new UI object for the given component.

Parameters:

c - component to create UI object for

Returns:

the UI object

installDefaults

protected void installDefaults(JSlider slider)

Installs the defaults.

Overrides:

installDefaults in class BasicSliderUI

Parameters:

slider - a slider

uninstallDefaults

protected void uninstallDefaults(JSlider slider)

Uninstalls default setting. This method is called when a LookAndFeel is uninstalled.

Overrides:

uninstallDefaults in class BasicSliderUI

Parameters:

slider - a slider

installListeners

protected void installListeners(JSlider slider)

Installs listeners.

Overrides:

installListeners in class BasicSliderUI

Parameters:

slider - a slider

uninstallListeners

protected void uninstallListeners(JSlider slider)

Uninstalls listeners.

Overrides:

uninstallListeners in class BasicSliderUI

Parameters:

slider - a slider

createTrackListener

protected BasicSliderUI.TrackListener createTrackListener(JSlider s)

Creates a track listener.

Overrides:

createTrackListener in class BasicSliderUI

Parameters:

s - a slider

Returns:

a track listener

getBaseline

public int getBaseline(JComponent c,
 int width,
 int height)

Returns the baseline.

Overrides:

getBaseline in class BasicSliderUI

Parameters:

c - JComponent baseline is being requested for

width - the width to get the baseline for

height - the height to get the baseline for

Returns:

baseline or a value < 0 indicating there is no reasonable baseline

See Also:

• JComponent.getBaseline(int, int)

getPreferredSize

public Dimension getPreferredSize(JComponent c)

Returns the preferred size.

Overrides:

getPreferredSize in class BasicSliderUI

Parameters:

c - a component

Returns:

the preferred size

See Also:

• JComponent.getPreferredSize()
• LayoutManager.preferredLayoutSize(Container)

getMinimumSize

public Dimension getMinimumSize(JComponent c)

Returns the minimum size.

Overrides:

getMinimumSize in class BasicSliderUI

Parameters:

c - a component

Returns:

the minimum size

See Also:

• JComponent.getMinimumSize()
• LayoutManager.minimumLayoutSize(Container)
• ComponentUI.getPreferredSize(JComponent)

calculateGeometry

protected void calculateGeometry()

Calculates the geometry.

Overrides:

calculateGeometry in class BasicSliderUI

layout

protected void layout()

Lays out the slider.

calculateThumbLocation

protected void calculateThumbLocation()

Calculates the thumb location.

Overrides:

calculateThumbLocation in class BasicSliderUI

setThumbLocation

public void setThumbLocation(int x,
 int y)

Sets the thumb location.

Overrides:

setThumbLocation in class BasicSliderUI

Parameters:

x - the x coordinate

y - the y coordinate

xPositionForValue

protected int xPositionForValue(int value)

Returns the x position for a value.

Overrides:

xPositionForValue in class BasicSliderUI

Parameters:

value - the value

Returns:

the x position for a value

yPositionForValue

protected int yPositionForValue(int value,
 int trackY,
 int trackHeight)

Returns the y location for the specified value. No checking is done on the arguments. In particular if trackHeight is negative undefined results may occur.

Overrides:

yPositionForValue in class BasicSliderUI

Parameters:

value - the slider value to get the location for

trackY - y-origin of the track

trackHeight - the height of the track

Returns:

the y location for the specified value of the slider

valueForYPosition

public int valueForYPosition(int yPos)

Returns the value at the y position. If yPos is beyond the track at the bottom or the top, this method sets the value to either the minimum or maximum value of the slider, depending on if the slider is inverted or not.

Overrides:

valueForYPosition in class BasicSliderUI

Parameters:

yPos - the location of the slider along the y axis

Returns:

the value at the y position

valueForXPosition

public int valueForXPosition(int xPos)

Returns the value at the x position. If xPos is beyond the track at the left or the right, this method sets the value to either the minimum or maximum value of the slider, depending on if the slider is inverted or not.

Overrides:

valueForXPosition in class BasicSliderUI

Parameters:

xPos - the location of the slider along the x axis

Returns:

the value of the x position

getThumbSize

protected Dimension getThumbSize()

Returns the thumb size.

Overrides:

getThumbSize in class BasicSliderUI

Returns:

the thumb size

recalculateIfInsetsChanged

protected void recalculateIfInsetsChanged()

Recalculates if the insets have changed.

Overrides:

recalculateIfInsetsChanged in class BasicSliderUI

getContext

public SynthContext getContext(JComponent c)

Returns the Context for the specified component.

Specified by:

getContext in interface SynthUI

Parameters:

c - Component requesting SynthContext.

Returns:

SynthContext describing component.

update

public void update(Graphics g,
 JComponent c)

Notifies this UI delegate to repaint the specified component. This method paints the component background, then calls the paint(SynthContext,Graphics) method.

In general, this method does not need to be overridden by subclasses. All Look and Feel rendering code should reside in the paint method.

Overrides:

update in class ComponentUI

Parameters:

g - the Graphics object used for painting

c - the component being painted

See Also:

• paint(SynthContext,Graphics)

paint

public void paint(Graphics g,
 JComponent c)

Paints the specified component according to the Look and Feel.

This method is not used by Synth Look and Feel. Painting is handled by the paint(SynthContext,Graphics) method.

Overrides:

paint in class BasicSliderUI

Parameters:

g - the Graphics object used for painting

c - the component being painted

See Also:

• paint(SynthContext,Graphics)

paint

protected void paint(SynthContext context,
 Graphics g)

Paints the specified component.

Parameters:

context - context for the component being painted

g - the Graphics object used for painting

See Also:

• update(Graphics,JComponent)

paintBorder

public void paintBorder(SynthContext context,
 Graphics g,
 int x,
 int y,
 int w,
 int h)

Paints the border.

Specified by:

paintBorder in interface SynthUI

Parameters:

context - a component context

g - Graphics to paint on

x - the X coordinate

y - the Y coordinate

w - width of the border

h - height of the border

paintThumb

protected void paintThumb(SynthContext context,
 Graphics g,
 Rectangle thumbBounds)

Paints the slider thumb.

Parameters:

context - context for the component being painted

g - Graphics object used for painting

thumbBounds - bounding box for the thumb

paintTrack

protected void paintTrack(SynthContext context,
 Graphics g,
 Rectangle trackBounds)

Paints the slider track.

Parameters:

context - context for the component being painted

g - Graphics object used for painting

trackBounds - bounding box for the track

propertyChange

public void propertyChange(PropertyChangeEvent e)

This method gets called when a bound property is changed.

Specified by:

propertyChange in interface PropertyChangeListener

Parameters:

e - A PropertyChangeEvent object describing the event source and the property that has changed.