Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class BasicSliderUI - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

Overview

Package

Class

Use

Tree

Deprecated

Index

Help

Java^TM 2 Platform
Standard Edition

PREV CLASS NEXT CLASS

FRAMES NO FRAMES

SUMMARY: INNER | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

javax.swing.plaf.basic
Class BasicSliderUI

java.lang.Object
  |
  +--javax.swing.plaf.ComponentUI
        |
        +--javax.swing.plaf.SliderUI
              |
              +--javax.swing.plaf.basic.BasicSliderUI

Direct Known Subclasses:: MetalSliderUI

public class BasicSliderUI
extends SliderUI

A Basic L&F implementation of SliderUI.

Inner Class Summary

class BasicSliderUI.ActionScroller
          Defines the action to take when scrolled.

class BasicSliderUI.ChangeHandler
          Data model listener.

class BasicSliderUI.ComponentHandler
          Listener for resizing events.

class BasicSliderUI.FocusHandler
          Focus-change listener.

class BasicSliderUI.PropertyChangeHandler


class BasicSliderUI.ScrollListener
          Scroll-event listener.

class BasicSliderUI.TrackListener
          Track mouse movements.

Field Summary

protected ChangeListener changeListener


protected ComponentListener componentListener


protected Rectangle contentRect


protected Insets focusInsets


protected FocusListener focusListener


protected Rectangle focusRect


protected Insets insetCache


protected Rectangle labelRect


int MAX_SCROLL


int MIN_SCROLL


int NEGATIVE_SCROLL


int POSITIVE_SCROLL


protected PropertyChangeListener propertyChangeListener


protected BasicSliderUI.ScrollListener scrollListener


protected Timer scrollTimer


protected JSlider slider


protected Rectangle thumbRect


protected Rectangle tickRect


protected int trackBuffer


protected BasicSliderUI.TrackListener trackListener


protected Rectangle trackRect


Constructor Summary

BasicSliderUI(JSlider b)


Method Summary

protected void calculateContentRect()


protected void calculateFocusRect()


protected void calculateGeometry()


protected void calculateLabelRect()


protected void calculateThumbLocation()


protected void calculateThumbSize()


protected void calculateTickRect()


protected void calculateTrackBuffer()


protected void calculateTrackRect()


protected ChangeListener createChangeListener(JSlider slider)


protected ComponentListener createComponentListener(JSlider slider)


protected FocusListener createFocusListener(JSlider slider)


protected PropertyChangeListener createPropertyChangeListener(JSlider slider)


protected BasicSliderUI.ScrollListener createScrollListener(JSlider slider)


protected BasicSliderUI.TrackListener createTrackListener(JSlider slider)


static ComponentUI createUI(JComponent b)


protected Color getFocusColor()


protected int getHeightOfHighValueLabel()


protected int getHeightOfLowValueLabel()


protected int getHeightOfTallestLabel()


protected Component getHighestValueLabel()
          Returns the label that corresponds to the lowest slider value in the label table.

protected Color getHighlightColor()


protected Component getLowestValueLabel()
          Returns the label that corresponds to the highest slider value in the label table.

Dimension getMaximumSize(JComponent c)


Dimension getMinimumHorizontalSize()


Dimension getMinimumSize(JComponent c)


Dimension getMinimumVerticalSize()


Dimension getPreferredHorizontalSize()


Dimension getPreferredSize(JComponent c)


Dimension getPreferredVerticalSize()


protected Color getShadowColor()


protected Dimension getThumbSize()


protected int getTickLength()
          Gets the height of the tick area for horizontal sliders and the width of the tick area for vertical sliders.

protected int getWidthOfHighValueLabel()


protected int getWidthOfLowValueLabel()


protected int getWidthOfWidestLabel()


protected void installDefaults(JSlider slider)


protected void installKeyboardActions(JSlider slider)


protected void installListeners(JSlider slider)


void installUI(JComponent c)


void paint(Graphics g, JComponent c)


void paintFocus(Graphics g)


protected void paintHorizontalLabel(Graphics g, int value, Component label)
          Called for every label in the label table.

void paintLabels(Graphics g)


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


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


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


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


void paintThumb(Graphics g)


void paintTicks(Graphics g)


void paintTrack(Graphics g)


protected void paintVerticalLabel(Graphics g, int value, Component label)
          Called for every label in the label table.

protected void recalculateIfInsetsChanged()


void scrollByBlock(int direction)


void scrollByUnit(int direction)


protected void scrollDueToClickInTrack(int dir)
          This function is called when a mousePressed was detected in the track, not in the thumb.

void setThumbLocation(int x, int y)


protected void uninstallKeyboardActions(JSlider slider)


protected void uninstallListeners(JSlider slider)


void uninstallUI(JComponent c)


int valueForXPosition(int xPos)
          Returns a value give an x position.

int valueForYPosition(int yPos)
          Returns a value give a y position.

protected int xPositionForValue(int value)


protected int yPositionForValue(int value)


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

POSITIVE_SCROLL

public final int POSITIVE_SCROLL

NEGATIVE_SCROLL

public final int NEGATIVE_SCROLL

MIN_SCROLL

public final int MIN_SCROLL

MAX_SCROLL

public final int MAX_SCROLL

scrollTimer

protected Timer scrollTimer

slider

protected JSlider slider

focusInsets

protected Insets focusInsets

insetCache

protected Insets insetCache

focusRect

protected Rectangle focusRect

contentRect

protected Rectangle contentRect

labelRect

protected Rectangle labelRect

tickRect

protected Rectangle tickRect

trackRect

protected Rectangle trackRect

thumbRect

protected Rectangle thumbRect

trackBuffer

protected int trackBuffer

trackListener

protected BasicSliderUI.TrackListener trackListener

changeListener

protected ChangeListener changeListener

componentListener

protected ComponentListener componentListener

focusListener

protected FocusListener focusListener

scrollListener

protected BasicSliderUI.ScrollListener scrollListener

propertyChangeListener

protected PropertyChangeListener propertyChangeListener

Constructor Detail

BasicSliderUI

public BasicSliderUI(JSlider b)

Method Detail

getShadowColor

protected Color getShadowColor()

getHighlightColor

protected Color getHighlightColor()

getFocusColor

protected Color getFocusColor()

createUI

public static ComponentUI createUI(JComponent b)

installUI

public void installUI(JComponent c)

Overrides:: installUI in class ComponentUI

uninstallUI

public void uninstallUI(JComponent c)

Overrides:: uninstallUI in class ComponentUI

installDefaults

protected void installDefaults(JSlider slider)

createTrackListener

protected BasicSliderUI.TrackListener createTrackListener(JSlider slider)

createChangeListener

protected ChangeListener createChangeListener(JSlider slider)

createComponentListener

protected ComponentListener createComponentListener(JSlider slider)

createFocusListener

protected FocusListener createFocusListener(JSlider slider)

createScrollListener

protected BasicSliderUI.ScrollListener createScrollListener(JSlider slider)

createPropertyChangeListener

protected PropertyChangeListener createPropertyChangeListener(JSlider slider)

installListeners

protected void installListeners(JSlider slider)

uninstallListeners

protected void uninstallListeners(JSlider slider)

installKeyboardActions

protected void installKeyboardActions(JSlider slider)

uninstallKeyboardActions

protected void uninstallKeyboardActions(JSlider slider)

getPreferredHorizontalSize

public Dimension getPreferredHorizontalSize()

getPreferredVerticalSize

public Dimension getPreferredVerticalSize()

getMinimumHorizontalSize

public Dimension getMinimumHorizontalSize()

getMinimumVerticalSize

public Dimension getMinimumVerticalSize()

getPreferredSize

public Dimension getPreferredSize(JComponent c)

Overrides:: getPreferredSize in class ComponentUI

getMinimumSize

public Dimension getMinimumSize(JComponent c)

Overrides:: getMinimumSize in class ComponentUI

getMaximumSize

public Dimension getMaximumSize(JComponent c)

Overrides:: getMaximumSize in class ComponentUI

calculateGeometry

protected void calculateGeometry()

calculateFocusRect

protected void calculateFocusRect()

calculateThumbSize

protected void calculateThumbSize()

calculateContentRect

protected void calculateContentRect()

calculateThumbLocation

protected void calculateThumbLocation()

calculateTrackBuffer

protected void calculateTrackBuffer()

calculateTrackRect

protected void calculateTrackRect()

getTickLength

protected 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. If you want to give your ticks some room, make this larger than you need and paint your ticks away from the sides in paintTicks().

calculateTickRect

protected void calculateTickRect()

calculateLabelRect

protected void calculateLabelRect()

getThumbSize

protected Dimension getThumbSize()

getWidthOfWidestLabel

protected int getWidthOfWidestLabel()

getHeightOfTallestLabel

protected int getHeightOfTallestLabel()

getWidthOfHighValueLabel

protected int getWidthOfHighValueLabel()

getWidthOfLowValueLabel

protected int getWidthOfLowValueLabel()

getHeightOfHighValueLabel

protected int getHeightOfHighValueLabel()

getHeightOfLowValueLabel

protected int getHeightOfLowValueLabel()

getLowestValueLabel

protected Component getLowestValueLabel()

Returns the label that corresponds to the highest slider value in the label table.

See Also:: JSlider.setLabelTable(java.util.Dictionary)

getHighestValueLabel

protected Component getHighestValueLabel()

Returns the label that corresponds to the lowest slider value in the label table.

See Also:: JSlider.setLabelTable(java.util.Dictionary)

paint

public void paint(Graphics g,
                  JComponent c)

Overrides:: paint in class ComponentUI

recalculateIfInsetsChanged

protected void recalculateIfInsetsChanged()

paintFocus

public void paintFocus(Graphics g)

paintTrack

public void paintTrack(Graphics g)

paintTicks

public void paintTicks(Graphics g)

paintMinorTickForHorizSlider

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

paintMajorTickForHorizSlider

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

paintMinorTickForVertSlider

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

paintMajorTickForVertSlider

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

paintLabels

public void paintLabels(Graphics g)

paintHorizontalLabel

protected void paintHorizontalLabel(Graphics g,
                                    int value,
                                    Component label)

Called for every label in the label table. Used to draw the labels for horizontal sliders. The graphics have been translated to labelRect.y already.

See Also:: JSlider.setLabelTable(java.util.Dictionary)

paintVerticalLabel

protected void paintVerticalLabel(Graphics g,
                                  int value,
                                  Component label)

Called for every label in the label table. Used to draw the labels for vertical sliders. The graphics have been translated to labelRect.x already.

See Also:: JSlider.setLabelTable(java.util.Dictionary)

paintThumb

public void paintThumb(Graphics g)

setThumbLocation

public void setThumbLocation(int x,
                             int y)

scrollByBlock

public void scrollByBlock(int direction)

scrollByUnit

public void scrollByUnit(int direction)

scrollDueToClickInTrack

protected void scrollDueToClickInTrack(int dir)

This function is called when a mousePressed was detected in the track, not in the thumb. The default behavior is to scroll by block. You can override this method to stop it from scrolling or to add additional behavior.

xPositionForValue

protected int xPositionForValue(int value)

yPositionForValue

protected int yPositionForValue(int value)

valueForYPosition

public int valueForYPosition(int yPos)

Returns a value give a y position. If yPos is past the track at the top or the bottom it will set the value to the min or max of the slider, depending if the slider is inverted or not.

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.