MetalScrollBarUI (Java 2 Platform SE 5.0) - JavaTM 2 Platform Standard Edition 5.0 API 规范中文版

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Java^TM 2 Platform
Standard Ed. 5.0

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摘要：嵌套 | 字段 | 构造方法 | 方法

详细信息：字段 | 构造方法 | 方法

javax.swing.plaf.metal
类 MetalScrollBarUI

java.lang.Object
  javax.swing.plaf.ComponentUI
      javax.swing.plaf.ScrollBarUI
          javax.swing.plaf.basic.BasicScrollBarUI
              javax.swing.plaf.metal.MetalScrollBarUI

所有已实现的接口：: LayoutManager, SwingConstants

public class MetalScrollBarUI
extends BasicScrollBarUI
extends BasicScrollBarUI

ScrollBarUI 的 Metal 外观实现

嵌套类摘要

从类 javax.swing.plaf.basic.BasicScrollBarUI 继承的嵌套类/接口

BasicScrollBarUI.ArrowButtonListener, BasicScrollBarUI.ModelListener, BasicScrollBarUI.PropertyChangeHandler, BasicScrollBarUI.ScrollListener, BasicScrollBarUI.TrackListener

字段摘要

protected javax.swing.plaf.metal.MetalBumps bumps


protected MetalScrollButton decreaseButton


static String FREE_STANDING_PROP


protected MetalScrollButton increaseButton


protected boolean isFreeStanding


protected int scrollBarWidth


从类 javax.swing.plaf.basic.BasicScrollBarUI 继承的字段

buttonListener, decrButton, DECREASE_HIGHLIGHT, incrButton, INCREASE_HIGHLIGHT, isDragging, maximumThumbSize, minimumThumbSize, modelListener, NO_HIGHLIGHT, propertyChangeListener, scrollbar, scrollListener, scrollTimer, thumbDarkShadowColor, thumbLightShadowColor, thumbRect, trackColor, trackHighlight, trackHighlightColor, trackListener, trackRect

从接口 javax.swing.SwingConstants 继承的字段

BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST

构造方法摘要

MetalScrollBarUI()


方法摘要

protected void configureScrollBarColors()


protected JButton createDecreaseButton(int orientation)
          返回表示减少量视图的视图。

protected JButton createIncreaseButton(int orientation)
          返回表示增加量视图的视图。

protected PropertyChangeListener createPropertyChangeListener()


static ComponentUI createUI(JComponent c)


protected Dimension getMinimumThumbSize()
          返回 thumb 的最小可接受大小。

Dimension getPreferredSize(JComponent c)
          垂直滚动条的首选宽度是（非 null）递增/递减按钮的首选宽度的最大值，也是 thumb 的最小宽度。

protected void installDefaults()


protected void installListeners()


protected void paintThumb(Graphics g, JComponent c, Rectangle thumbBounds)


protected void paintTrack(Graphics g, JComponent c, Rectangle trackBounds)


protected void setThumbBounds(int x, int y, int width, int height)
          重写此方法只是为了增加无效区域。

从类 javax.swing.plaf.basic.BasicScrollBarUI 继承的方法

addLayoutComponent, createArrowButtonListener, createModelListener, createScrollListener, createTrackListener, getMaximumSize, getMaximumThumbSize, getSupportsAbsolutePositioning, getThumbBounds, getTrackBounds, installComponents, installKeyboardActions, installUI, isThumbRollover, layoutContainer, layoutHScrollbar, layoutVScrollbar, minimumLayoutSize, paint, paintDecreaseHighlight, paintIncreaseHighlight, preferredLayoutSize, removeLayoutComponent, scrollByBlock, scrollByUnit, setThumbRollover, uninstallComponents, uninstallDefaults, uninstallKeyboardActions, uninstallListeners, uninstallUI

从类 javax.swing.plaf.ComponentUI 继承的方法

contains, getAccessibleChild, getAccessibleChildrenCount, getMinimumSize, update

从类 java.lang.Object 继承的方法

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

从类 javax.swing.plaf.basic.BasicScrollBarUI 继承的嵌套类/接口
`BasicScrollBarUI.ArrowButtonListener, BasicScrollBarUI.ModelListener, BasicScrollBarUI.PropertyChangeHandler, BasicScrollBarUI.ScrollListener, BasicScrollBarUI.TrackListener`

字段摘要
`protected javax.swing.plaf.metal.MetalBumps`	`bumps`
`protected MetalScrollButton`	`decreaseButton`
`static String`	`FREE_STANDING_PROP`
`protected MetalScrollButton`	`increaseButton`
`protected boolean`	`isFreeStanding`
`protected int`	`scrollBarWidth`

从类 javax.swing.plaf.basic.BasicScrollBarUI 继承的字段
`buttonListener, decrButton, DECREASE_HIGHLIGHT, incrButton, INCREASE_HIGHLIGHT, isDragging, maximumThumbSize, minimumThumbSize, modelListener, NO_HIGHLIGHT, propertyChangeListener, scrollbar, scrollListener, scrollTimer, thumbDarkShadowColor, thumbLightShadowColor, thumbRect, trackColor, trackHighlight, trackHighlightColor, trackListener, trackRect`

从接口 javax.swing.SwingConstants 继承的字段
`BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST`

构造方法摘要
`MetalScrollBarUI()`

方法摘要
`protected void`	`configureScrollBarColors()`
`protected JButton`	`createDecreaseButton(int orientation)` 返回表示减少量视图的视图。
`protected JButton`	`createIncreaseButton(int orientation)` 返回表示增加量视图的视图。
`protected PropertyChangeListener`	`createPropertyChangeListener()`
`static ComponentUI`	`createUI(JComponent c)`
`protected Dimension`	`getMinimumThumbSize()` 返回 thumb 的最小可接受大小。
`Dimension`	`getPreferredSize(JComponent c)` 垂直滚动条的首选宽度是（非 `null`）递增/递减按钮的首选宽度的最大值，也是 thumb 的最小宽度。
`protected void`	`installDefaults()`
`protected void`	`installListeners()`
`protected void`	`paintThumb(Graphics g, JComponent c, Rectangle thumbBounds)`
`protected void`	`paintTrack(Graphics g, JComponent c, Rectangle trackBounds)`
`protected void`	`setThumbBounds(int x, int y, int width, int height)` 重写此方法只是为了增加无效区域。

从类 javax.swing.plaf.basic.BasicScrollBarUI 继承的方法
addLayoutComponent, createArrowButtonListener, createModelListener, createScrollListener, createTrackListener, getMaximumSize, getMaximumThumbSize, getSupportsAbsolutePositioning, getThumbBounds, getTrackBounds, installComponents, installKeyboardActions, installUI, isThumbRollover, layoutContainer, layoutHScrollbar, layoutVScrollbar, minimumLayoutSize, paint, paintDecreaseHighlight, paintIncreaseHighlight, preferredLayoutSize, removeLayoutComponent, scrollByBlock, scrollByUnit, setThumbRollover, uninstallComponents, uninstallDefaults, uninstallKeyboardActions, uninstallListeners, uninstallUI

从类 javax.swing.plaf.ComponentUI 继承的方法
`contains, getAccessibleChild, getAccessibleChildrenCount, getMinimumSize, update`

从类 java.lang.Object 继承的方法
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

字段详细信息

bumps

protected javax.swing.plaf.metal.MetalBumps bumps

increaseButton

protected MetalScrollButton increaseButton

decreaseButton

protected MetalScrollButton decreaseButton

scrollBarWidth

protected int scrollBarWidth

FREE_STANDING_PROP

public static final String FREE_STANDING_PROP

另请参见：: 常量字段值

isFreeStanding

protected boolean isFreeStanding

构造方法详细信息

MetalScrollBarUI

public MetalScrollBarUI()

方法详细信息

createUI

public static ComponentUI createUI(JComponent c)

installDefaults

protected void installDefaults()

覆盖：: 类 BasicScrollBarUI 中的 installDefaults

installListeners

protected void installListeners()

覆盖：: 类 BasicScrollBarUI 中的 installListeners

createPropertyChangeListener

protected PropertyChangeListener createPropertyChangeListener()

覆盖：: 类 BasicScrollBarUI 中的 createPropertyChangeListener

configureScrollBarColors

protected void configureScrollBarColors()

覆盖：: 类 BasicScrollBarUI 中的 configureScrollBarColors

getPreferredSize

public Dimension getPreferredSize(JComponent c)

从类 BasicScrollBarUI 复制的描述

垂直滚动条的首选宽度是（非 null）递增/递减按钮的首选宽度的最大值，也是 thumb 的最小宽度。首选高度是相同部分的首选高度之和。水平滚动条的首选大小的基础与此类似。

preferredSize 仅计算一次，此方法的后续调用仅返回缓存的大小。

覆盖：: 类 BasicScrollBarUI 中的 getPreferredSize

参数：: c - 委托此方法的 JScrollBar
返回：: Basic JScrollBar 的首选大小
另请参见：: BasicScrollBarUI.getMaximumSize(javax.swing.JComponent), ComponentUI.getMinimumSize(javax.swing.JComponent)

createDecreaseButton

protected JButton createDecreaseButton(int orientation)

返回表示减少量视图的视图。

覆盖：: 类 BasicScrollBarUI 中的 createDecreaseButton

createIncreaseButton

protected JButton createIncreaseButton(int orientation)

返回表示增加量视图的视图。

覆盖：: 类 BasicScrollBarUI 中的 createIncreaseButton

paintTrack

protected void paintTrack(Graphics g,
                          JComponent c,
                          Rectangle trackBounds)

覆盖：: 类 BasicScrollBarUI 中的 paintTrack

paintThumb

protected void paintThumb(Graphics g,
                          JComponent c,
                          Rectangle thumbBounds)

覆盖：: 类 BasicScrollBarUI 中的 paintThumb

getMinimumThumbSize

protected Dimension getMinimumThumbSize()

从类 BasicScrollBarUI 复制的描述

返回 thumb 的最小可接受大小。如果滚动条变得非常小，此大小不适用，则 thumb 将被隐藏。

警告：不应修改此方法返回的值，它是一个共享的静态常量。

覆盖：: 类 BasicScrollBarUI 中的 getMinimumThumbSize

返回：: thumb 的最小可接受大小。
另请参见：: BasicScrollBarUI.getMaximumThumbSize()

setThumbBounds

protected void setThumbBounds(int x,
                              int y,
                              int width,
                              int height)

重写此方法只是为了增加无效区域。此方法确保滑块下的“阴影”是无效的