ch.randelshofer.gui.plaf
Class ImageSliderUI

java.lang.Object
  javax.swing.plaf.ComponentUI
      javax.swing.plaf.SliderUI
          javax.swing.plaf.basic.BasicSliderUI
              ch.randelshofer.gui.plaf.ImageSliderUI

All Implemented Interfaces:

PlafConstants

public class ImageSliderUI
extends javax.swing.plaf.basic.BasicSliderUI
implements PlafConstants

A Java L&F implementation of SliderUI.

XXX This class has been implemented for horizontal sliders whithout labels only.

FIXME The thumb can be dragged too far to the left and to the right.

Nested Class Summary

protected class

ImageSliderUI.MetalPropertyListener

Nested classes/interfaces inherited from class javax.swing.plaf.basic.BasicSliderUI

javax.swing.plaf.basic.BasicSliderUI.ActionScroller, javax.swing.plaf.basic.BasicSliderUI.ChangeHandler, javax.swing.plaf.basic.BasicSliderUI.ComponentHandler, javax.swing.plaf.basic.BasicSliderUI.FocusHandler, javax.swing.plaf.basic.BasicSliderUI.PropertyChangeHandler, javax.swing.plaf.basic.BasicSliderUI.ScrollListener, javax.swing.plaf.basic.BasicSliderUI.TrackListener

Field Summary

protected static java.awt.Color	darkShadowColor
protected boolean	filledSlider
protected static java.awt.Color	highlightColor
protected static javax.swing.Icon	horizThumbIcon
protected static java.awt.Color	shadowColor
protected java.lang.String	SLIDER_FILL
protected static java.awt.Color	thumbColor
protected int	TICK_BUFFER
protected static int	tickLength
protected static int	trackWidth
protected static javax.swing.Icon	vertThumbIcon

Fields inherited from class javax.swing.plaf.basic.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 ch.randelshofer.gui.plaf.PlafConstants

ALL, CENTER, EAST, NONE, PROP_BEVEL, WEST

Constructor Summary

ImageSliderUI()

Method Summary

protected void	calculateContentRect() The content rectangle is inside the focus rectangle of the component.
protected void	calculateFocusRect() The focus rectangle is inside the border insets of the component.
protected void	calculateThumbLocation()
protected void	calculateTrackBuffer() The distance that the track is from the side of the control.
protected void	calculateTrackRect() The track rect is the area, where the track is painted.
protected java.beans.PropertyChangeListener	createPropertyChangeListener(javax.swing.JSlider slider)
static javax.swing.plaf.ComponentUI	createUI(javax.swing.JComponent c)
java.awt.Dimension	getMinimumSize(javax.swing.JComponent c) Gets the minimal size for the component.
java.awt.Dimension	getPreferredSize(javax.swing.JComponent c) Gets the preferred size for the component.
protected java.lang.String	getPropertyPrefix()
protected java.awt.Dimension	getRequiredSize(javax.swing.JComponent c, int trackLength) Helper method for computing the size of the component.
protected int	getThumbOverhang() Returns the amount that the thumb goes past the slide bar.
protected java.awt.Dimension	getThumbSize()
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.
protected void	installDefaults(javax.swing.JSlider c)
void	installUI(javax.swing.JComponent c)
void	paint(java.awt.Graphics g, javax.swing.JComponent c)
void	paintFocus(java.awt.Graphics g)
protected void	paintMajorTickForHorizSlider(java.awt.Graphics g, java.awt.Rectangle tickBounds, int x)
protected void	paintMajorTickForVertSlider(java.awt.Graphics g, java.awt.Rectangle tickBounds, int y)
protected void	paintMinorTickForHorizSlider(java.awt.Graphics g, java.awt.Rectangle tickBounds, int x)
protected void	paintMinorTickForVertSlider(java.awt.Graphics g, java.awt.Rectangle tickBounds, int y)
void	paintThumb(java.awt.Graphics g)
void	paintTrack(java.awt.Graphics g)
protected void	recalculateIfInsetsChanged() Recalculates the geometry, if the insets of the slider have changed.
protected void	scrollDueToClickInTrack(int dir)
int	valueForXPosition(int xPos) Returns a value give an x position.
protected int	xPositionForValue(int value)

Methods inherited from class javax.swing.plaf.basic.BasicSliderUI

calculateGeometry, calculateLabelRect, calculateThumbSize, calculateTickRect, createChangeListener, createComponentListener, createFocusListener, createScrollListener, createTrackListener, drawInverted, getBaseline, getBaselineResizeBehavior, getFocusColor, getHeightOfHighValueLabel, getHeightOfLowValueLabel, getHeightOfTallestLabel, getHighestValue, getHighestValueLabel, getHighlightColor, getLowestValue, getLowestValueLabel, getMaximumSize, getMinimumHorizontalSize, getMinimumVerticalSize, getPreferredHorizontalSize, getPreferredVerticalSize, getShadowColor, getWidthOfHighValueLabel, getWidthOfLowValueLabel, getWidthOfWidestLabel, installKeyboardActions, installListeners, isDragging, labelsHaveSameBaselines, paintHorizontalLabel, paintLabels, paintTicks, paintVerticalLabel, recalculateIfOrientationChanged, scrollByBlock, scrollByUnit, setThumbLocation, uninstallKeyboardActions, uninstallListeners, uninstallUI, valueForYPosition, yPositionForValue, yPositionForValue

Methods inherited from class javax.swing.plaf.ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, update

Methods inherited from class java.lang.Object

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

Field Detail

TICK_BUFFER

protected final int TICK_BUFFER

See Also:

Constant Field Values

filledSlider

protected boolean filledSlider

thumbColor

protected static java.awt.Color thumbColor

highlightColor

protected static java.awt.Color highlightColor

shadowColor

protected static java.awt.Color shadowColor

darkShadowColor

protected static java.awt.Color darkShadowColor

trackWidth

protected static int trackWidth

tickLength

protected static int tickLength

horizThumbIcon

protected static javax.swing.Icon horizThumbIcon

vertThumbIcon

protected static javax.swing.Icon vertThumbIcon

SLIDER_FILL

protected final java.lang.String SLIDER_FILL

See Also:

Constant Field Values

Constructor Detail

ImageSliderUI

public ImageSliderUI()

Method Detail

createUI

public static javax.swing.plaf.ComponentUI createUI(javax.swing.JComponent c)

getPropertyPrefix

protected java.lang.String getPropertyPrefix()

installUI

public void installUI(javax.swing.JComponent c)

Overrides:

installUI in class javax.swing.plaf.basic.BasicSliderUI

installDefaults

protected void installDefaults(javax.swing.JSlider c)

Overrides:

installDefaults in class javax.swing.plaf.basic.BasicSliderUI

createPropertyChangeListener

protected java.beans.PropertyChangeListener createPropertyChangeListener(javax.swing.JSlider slider)

Overrides:

createPropertyChangeListener in class javax.swing.plaf.basic.BasicSliderUI

paint

public void paint(java.awt.Graphics g,
                  javax.swing.JComponent c)

Overrides:

paint in class javax.swing.plaf.basic.BasicSliderUI

paintThumb

public void paintThumb(java.awt.Graphics g)

Overrides:

paintThumb in class javax.swing.plaf.basic.BasicSliderUI

paintTrack

public void paintTrack(java.awt.Graphics g)

Overrides:

paintTrack in class javax.swing.plaf.basic.BasicSliderUI

paintFocus

public void paintFocus(java.awt.Graphics g)

Overrides:

paintFocus in class javax.swing.plaf.basic.BasicSliderUI

getThumbSize

protected java.awt.Dimension getThumbSize()

Overrides:

getThumbSize in class javax.swing.plaf.basic.BasicSliderUI

getPreferredSize

public java.awt.Dimension getPreferredSize(javax.swing.JComponent c)

Gets the preferred size for the component.

Overrides:

getPreferredSize in class javax.swing.plaf.basic.BasicSliderUI

getMinimumSize

public java.awt.Dimension getMinimumSize(javax.swing.JComponent c)

Gets the minimal size for the component.

Overrides:

getMinimumSize in class javax.swing.plaf.basic.BasicSliderUI

getRequiredSize

protected java.awt.Dimension getRequiredSize(javax.swing.JComponent c,
                                             int trackLength)

Helper method for computing the size of the component.

Parameters:

c - The JSlider.

trackLength - The amount of pixels, we want to be able to move the slider thumb.

recalculateIfInsetsChanged

protected void recalculateIfInsetsChanged()

Recalculates the geometry, if the insets of the slider have changed.

Overrides:

recalculateIfInsetsChanged in class javax.swing.plaf.basic.BasicSliderUI

calculateFocusRect

protected void calculateFocusRect()

The focus rectangle is inside the border insets of the component.

Prerequisites: The insetCache variable must have been updated before this method can be called. Otherwise the result is undefined.

Overrides:

calculateFocusRect in class javax.swing.plaf.basic.BasicSliderUI

calculateContentRect

protected void calculateContentRect()

The content rectangle is inside the focus rectangle of the component.

Prerequisites: calculateFocusRect must have been called before this method can be called. Otherwise the result is undefined.

Overrides:

calculateContentRect in class javax.swing.plaf.basic.BasicSliderUI

calculateTrackBuffer

protected void calculateTrackBuffer()

The distance that the track is from the side of the control.

Prerequisites: calculateContentRect must have been called before this method can be called. Otherwise the result is undefined.

Overrides:

calculateTrackBuffer in class javax.swing.plaf.basic.BasicSliderUI

calculateTrackRect

protected void calculateTrackRect()

The track rect is the area, where the track is painted.

Overrides:

calculateTrackRect in class javax.swing.plaf.basic.BasicSliderUI

calculateThumbLocation

protected void calculateThumbLocation()

Overrides:

calculateThumbLocation in class javax.swing.plaf.basic.BasicSliderUI

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 javax.swing.plaf.basic.BasicSliderUI

getTrackWidth

protected int getTrackWidth()

Returns the shorter dimension of the track.

xPositionForValue

protected int xPositionForValue(int value)

Overrides:

xPositionForValue in class javax.swing.plaf.basic.BasicSliderUI

valueForXPosition

public int valueForXPosition(int xPos)

Returns a value give an x position. If xPos is past the track at the left or the right it will set the value to the min or max of the slider, depending if the slider is inverted or not.

Overrides:

valueForXPosition in class javax.swing.plaf.basic.BasicSliderUI

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)

getThumbOverhang

protected int getThumbOverhang()

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

scrollDueToClickInTrack

protected void scrollDueToClickInTrack(int dir)

Overrides:

scrollDueToClickInTrack in class javax.swing.plaf.basic.BasicSliderUI

paintMinorTickForHorizSlider

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

Overrides:

paintMinorTickForHorizSlider in class javax.swing.plaf.basic.BasicSliderUI

paintMajorTickForHorizSlider

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

Overrides:

paintMajorTickForHorizSlider in class javax.swing.plaf.basic.BasicSliderUI

paintMinorTickForVertSlider

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

Overrides:

paintMinorTickForVertSlider in class javax.swing.plaf.basic.BasicSliderUI

paintMajorTickForVertSlider

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

Overrides:

paintMajorTickForVertSlider in class javax.swing.plaf.basic.BasicSliderUI