org.gephi.ui.components

Class JRangeSlider.JRangeSliderBasicUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.SliderUI

javax.swing.plaf.basic.BasicSliderUI

org.gephi.ui.components.JRangeSlider.JRangeSliderBasicUI

Enclosing class:

JRangeSlider

private static class JRangeSlider.JRangeSliderBasicUI
extends BasicSliderUI

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	JRangeSlider.JRangeSliderBasicUI.ChangeHandler Listener to handle model change events.
class	JRangeSlider.JRangeSliderBasicUI.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

Modifier and Type	Field and Description
private boolean	lowerDragging Indicator set when lower thumb is being dragged.
private Color	rangeColor Color of selected range.
private boolean	upperDragging Indicator set when upper thumb is being dragged.
private Rectangle	upperThumbRect Location and size of thumb for upper value.
private boolean	upperThumbSelected Indicator that determines whether upper thumb is selected.

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
JRangeSliderBasicUI(JSlider slider) 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.
private Shape	createThumbShape(int width, int height) Returns a Shape representing a thumb.
protected BasicSliderUI.TrackListener	createTrackListener(JSlider slider) Creates a listener to handle track events in the specified slider.
void	installUI(JComponent c) Installs this UI delegate on the specified component.
void	paint(Graphics g, JComponent c) Paints the slider.
private void	paintLowerThumb(Graphics g) Paints the thumb for the lower value using the specified graphics object.
void	paintTrack(Graphics g) Paints the track.
private void	paintUpperThumb(Graphics g) Paints the thumb for the upper value using the specified graphics object.
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.
private void	setUpperThumbLocation(int x, int y) Sets the location of the upper thumb, and repaints the slider.

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, getThumbSize, getTickLength, getWidthOfHighValueLabel, getWidthOfLowValueLabel, getWidthOfWidestLabel, installDefaults, installKeyboardActions, installListeners, isDragging, labelsHaveSameBaselines, paintFocus, paintHorizontalLabel, paintLabels, paintMajorTickForHorizSlider, paintMajorTickForVertSlider, paintMinorTickForHorizSlider, paintMinorTickForVertSlider, paintThumb, 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

Field Detail

rangeColor

private Color rangeColor

Color of selected range.

upperThumbRect

private Rectangle upperThumbRect

Location and size of thumb for upper value.

upperThumbSelected

private boolean upperThumbSelected

Indicator that determines whether upper thumb is selected.

lowerDragging

private transient boolean lowerDragging

Indicator set when lower thumb is being dragged.

upperDragging

private transient boolean upperDragging

Indicator set when upper thumb is being dragged.

Constructor Detail

JRangeSliderBasicUI

public JRangeSliderBasicUI(JSlider slider)

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

createTrackListener

protected BasicSliderUI.TrackListener createTrackListener(JSlider slider)

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

Overrides:

createTrackListener in class BasicSliderUI

createChangeListener

protected ChangeListener createChangeListener(JSlider slider)

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

Overrides:

createChangeListener in class BasicSliderUI

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

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

paintTrack

public void paintTrack(Graphics g)

Paints the track.

Overrides:

paintTrack in class BasicSliderUI

paintLowerThumb

private void paintLowerThumb(Graphics g)

Paints the thumb for the lower value using the specified graphics object.

paintUpperThumb

private void paintUpperThumb(Graphics g)

Paints the thumb for the upper value using the specified graphics object.

createThumbShape

private Shape createThumbShape(int width,
                               int height)

Returns a Shape representing a thumb.

setUpperThumbLocation

private void setUpperThumbLocation(int x,
                                   int y)

Sets the location of the upper thumb, and repaints the slider. This is called when the upper thumb is dragged to repaint the slider. The setThumbLocation() method performs the same task for the lower thumb.

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

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