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

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Java^TM 2 Platform
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javax.swing.plaf
Class ComponentUI

java.lang.Object
  |
  +--javax.swing.plaf.ComponentUI

Direct Known Subclasses:: ButtonUI, ColorChooserUI, ComboBoxUI, DesktopIconUI, DesktopPaneUI, FileChooserUI, InternalFrameUI, LabelUI, ListUI, MenuBarUI, OptionPaneUI, PanelUI, PopupMenuUI, ProgressBarUI, ScrollBarUI, ScrollPaneUI, SeparatorUI, SliderUI, SplitPaneUI, TabbedPaneUI, TableHeaderUI, TableUI, TextUI, ToolBarUI, ToolTipUI, TreeUI, ViewportUI

public abstract class ComponentUI
extends Object

Constructor Summary

ComponentUI()


Method Summary

boolean contains(JComponent c, int x, int y)


static ComponentUI createUI(JComponent c)


Accessible getAccessibleChild(JComponent c, int i)
          Return the nth Accessible child of the object.

int getAccessibleChildrenCount(JComponent c)
          Returns the number of accessible children in the object.

Dimension getMaximumSize(JComponent c)


Dimension getMinimumSize(JComponent c)


Dimension getPreferredSize(JComponent c)


void installUI(JComponent c)


void paint(Graphics g, JComponent c)


void uninstallUI(JComponent c)


void update(Graphics g, JComponent c)


Methods inherited from class java.lang.Object

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

Constructor Detail

ComponentUI

public ComponentUI()

Method Detail

installUI

public void installUI(JComponent c)

uninstallUI

public void uninstallUI(JComponent c)

paint

public void paint(Graphics g,
                  JComponent c)

update

public void update(Graphics g,
                   JComponent c)

getPreferredSize

public Dimension getPreferredSize(JComponent c)

getMinimumSize

public Dimension getMinimumSize(JComponent c)

getMaximumSize

public Dimension getMaximumSize(JComponent c)

contains

public boolean contains(JComponent c,
                        int x,
                        int y)

createUI

public static ComponentUI createUI(JComponent c)

getAccessibleChildrenCount

public int getAccessibleChildrenCount(JComponent c)

Returns the number of accessible children in the object. If all of the children of this object implement Accessible, than this method should return the number of children of this object. UI's might wish to override this if they present areas on the screen that can be viewed as components, but actual components are not used for presenting those areas.

Returns:: the number of accessible children in the object.
See Also:: getAccessibleChild(javax.swing.JComponent, int)

getAccessibleChild

public Accessible getAccessibleChild(JComponent c,
                                     int i)

Return the nth Accessible child of the object. UI's might wish to override this if they present areas on the screen that can be viewed as components, but actual components are not used for presenting those areas.

Parameters:: i - zero-based index of child
Returns:: the nth Accessible child of the object
See Also:: getAccessibleChildrenCount(javax.swing.JComponent)