jmri.util.swing
Class SliderSnap

java.lang.Object
  javax.swing.plaf.ComponentUI
      javax.swing.plaf.SliderUI
          javax.swing.plaf.basic.BasicSliderUI
              jmri.util.swing.SliderSnap

public class SliderSnap
extends BasicSliderUI

This corrects the behaviour of JSliders to correctly snap whilst sliding, rather than to snap after sliding.

This was originally published by Michael Kneebone in issue 148 of "Java Specialists' Newsletter" to whom credit is given.

This version is updated with bug fixes compared to that published above and was provided by Michael Kneebone.

Minor changes and bug fixes were made by Matthew Harris when incorporating this into JMRI.

Author:

Michael Kneebone Copyright (c) 2007, 2011, Matthew Harris Copyright (c) 2011

Nested Class Summary

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

BasicSliderUI.ActionScroller, BasicSliderUI.ChangeHandler, 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

SliderSnap()

Method Summary

static ComponentUI	createUI(JComponent c) Returns the UI as normal, but intercepts the call, so that a listener can be attached
static void	init()

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

calculateContentRect, calculateFocusRect, calculateGeometry, calculateLabelRect, calculateThumbLocation, calculateThumbSize, calculateTickRect, calculateTrackBuffer, calculateTrackRect, createChangeListener, createComponentListener, createFocusListener, createPropertyChangeListener, createScrollListener, createTrackListener, 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, installUI, isDragging, labelsHaveSameBaselines, paint, paintFocus, paintHorizontalLabel, paintLabels, paintMajorTickForHorizSlider, paintMajorTickForVertSlider, paintMinorTickForHorizSlider, paintMinorTickForVertSlider, paintThumb, paintTicks, paintTrack, paintVerticalLabel, recalculateIfInsetsChanged, recalculateIfOrientationChanged, scrollByBlock, scrollByUnit, scrollDueToClickInTrack, setThumbLocation, 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

SliderSnap

public SliderSnap()

Method Detail

createUI

public static ComponentUI createUI(JComponent c)

Returns the UI as normal, but intercepts the call, so that a listener can be attached

Parameters:

c - the slider component

Returns:

a ComponentUI object with attached listener

init

public static void init()