de.cismet.tools.gui

Class RangeSliderUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.SliderUI

javax.swing.plaf.basic.BasicSliderUI

de.cismet.tools.gui.RangeSliderUI

public class RangeSliderUI
extends BasicSliderUI

UI delegate for the RangeSlider component. RangeSliderUI paints two thumbs, one for the lower value and one for the upper value.

Version:

$Revision$, $Date$

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	RangeSliderUI.ChangeHandler Listener to handle model change events.
class	RangeSliderUI.RangeTrackListener Listener to handle mouse movements in the slider track.

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

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

Field Summary

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

Constructor Summary

Constructors

Constructor and Description
RangeSliderUI(RangeSlider b) Constructs a RangeSliderUI for the specified slider component.

Method Summary

Modifier and Type	Method and Description
protected void	calculateThumbLocation() Updates the locations for both thumbs.
protected void	calculateThumbSize() Updates the dimensions for both thumbs.
protected ChangeListener	createChangeListener(JSlider slider) Creates a listener to handle change events in the specified slider.
protected BasicSliderUI.TrackListener	createTrackListener(JSlider slider) Creates a listener to handle track events in the specified slider.
protected Dimension	getThumbSize() Returns the size of a thumb.
void	installUI(JComponent c) Installs this UI delegate on the specified component.
void	paint(Graphics g, JComponent c) Paints the slider.
void	paintThumb(Graphics g) Overrides superclass method to do nothing.
void	paintTrack(Graphics g) Paints the track.
void	scrollByBlock(int direction) Moves the selected thumb in the specified direction by a block increment.
void	scrollByUnit(int direction) Moves the selected thumb in the specified direction by a unit increment.

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

calculateContentRect, calculateFocusRect, calculateGeometry, calculateLabelRect, calculateTickRect, calculateTrackBuffer, calculateTrackRect, createComponentListener, createFocusListener, createPropertyChangeListener, createScrollListener, createUI, drawInverted, getBaseline, getBaselineResizeBehavior, getFocusColor, getHeightOfHighValueLabel, getHeightOfLowValueLabel, getHeightOfTallestLabel, getHighestValue, getHighestValueLabel, getHighlightColor, getLowestValue, getLowestValueLabel, getMaximumSize, getMinimumHorizontalSize, getMinimumSize, getMinimumVerticalSize, getPreferredHorizontalSize, getPreferredSize, getPreferredVerticalSize, getShadowColor, getTickLength, getWidthOfHighValueLabel, getWidthOfLowValueLabel, getWidthOfWidestLabel, installDefaults, installKeyboardActions, installListeners, isDragging, labelsHaveSameBaselines, paintFocus, paintHorizontalLabel, paintLabels, paintMajorTickForHorizSlider, paintMajorTickForVertSlider, paintMinorTickForHorizSlider, paintMinorTickForVertSlider, paintTicks, paintVerticalLabel, recalculateIfInsetsChanged, recalculateIfOrientationChanged, scrollDueToClickInTrack, setThumbLocation, uninstallDefaults, uninstallKeyboardActions, uninstallListeners, uninstallUI, valueForXPosition, valueForYPosition, xPositionForValue, 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

Constructor Detail

RangeSliderUI

public RangeSliderUI(RangeSlider b)

Constructs a RangeSliderUI for the specified slider component.

Parameters:

b - RangeSlider

Method Detail

installUI

public void installUI(JComponent c)

Installs this UI delegate on the specified component.

Overrides:

installUI in class BasicSliderUI

Parameters:

c - The component which this UI is installed on.

createTrackListener

protected BasicSliderUI.TrackListener createTrackListener(JSlider slider)

Creates a listener to handle track events in the specified slider.

Overrides:

createTrackListener in class BasicSliderUI

Parameters:

slider - The slider to handle track events for.

Returns:

The track listener.

createChangeListener

protected ChangeListener createChangeListener(JSlider slider)

Creates a listener to handle change events in the specified slider.

Overrides:

createChangeListener in class BasicSliderUI

Parameters:

slider - The slider to handle change events for.

Returns:

The change listener.

calculateThumbSize

protected void calculateThumbSize()

Updates the dimensions for both thumbs.

Overrides:

calculateThumbSize in class BasicSliderUI

calculateThumbLocation

protected void calculateThumbLocation()

Updates the locations for both thumbs.

Overrides:

calculateThumbLocation in class BasicSliderUI

getThumbSize

protected Dimension getThumbSize()

Returns the size of a thumb.

Overrides:

getThumbSize in class BasicSliderUI

Returns:

Dimension(12, 12).

paint

public void paint(Graphics g,
                  JComponent c)

Paints the slider. The selected thumb is always painted on top of the other thumb.

Overrides:

paint in class BasicSliderUI

Parameters:

g - The graphics to paint on.

c - Will not be used.

paintTrack

public void paintTrack(Graphics g)

Paints the track.

Overrides:

paintTrack in class BasicSliderUI

Parameters:

g - The graphics to paint on.

paintThumb

public void paintThumb(Graphics g)

Overrides superclass method to do nothing. Thumb painting is handled within the paint() method.

Overrides:

paintThumb in class BasicSliderUI

Parameters:

g - The graphics to (not) paint on.

scrollByBlock

public void scrollByBlock(int direction)

Moves the selected thumb in the specified direction by a block increment. This method is called when the user presses the Page Up or Down keys.

Overrides:

scrollByBlock in class BasicSliderUI

Parameters:

direction - The direction (> 0 means scroll in positive direction, <= 0 scrolls in negative direction).

scrollByUnit

public void scrollByUnit(int direction)

Moves the selected thumb in the specified direction by a unit increment. This method is called when the user presses one of the arrow keys.

Overrides:

scrollByUnit in class BasicSliderUI

Parameters:

direction - The direction (> 0 means scroll in positive direction, <= 0 scrolls in negative direction).