Module java.desktop

Package javax.swing.plaf.basic

Class BasicRadioButtonUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.ButtonUI

javax.swing.plaf.basic.BasicButtonUI

javax.swing.plaf.basic.BasicToggleButtonUI

javax.swing.plaf.basic.BasicRadioButtonUI

直接已知的子类:

BasicCheckBoxUI, MetalRadioButtonUI

       public class BasicRadioButtonUI extends BasicToggleButtonUI
      

BasicRadioButtonUI的RadioButtonUI实现

Field Summary

Fields

Modifier and Type	Field	Description
protected Icon	icon	图标。

Fields declared in class javax.swing.plaf.basic.BasicButtonUI

defaultTextIconGap, defaultTextShiftOffset

Constructor Summary

Constructors

Constructor	Description
BasicRadioButtonUI()	构造一个BasicRadioButtonUI。

Method Summary

Modifier and Type	Method	Description
static ComponentUI	createUI(JComponent b)	返回一个BasicRadioButtonUI的实例。
Icon	getDefaultIcon()	返回默认图标。
Dimension	getPreferredSize(JComponent c)	单选按钮的首选大小
void	paint(Graphics g, JComponent c)	绘制单选按钮
protected void	paintFocus(Graphics g, Rectangle textRect, Dimension size)	绘制焦点单选按钮。

Methods declared in class javax.swing.plaf.basic.BasicToggleButtonUI

getTextShiftOffset, paintIcon

Methods declared in class javax.swing.plaf.basic.BasicButtonUI

clearTextShiftOffset, createButtonListener, getBaseline, getBaselineResizeBehavior, getDefaultTextIconGap, getPropertyPrefix, installDefaults, installKeyboardActions, installListeners, paintButtonPressed, paintFocus, paintIcon, paintText, paintText, setTextShiftOffset, uninstallDefaults, uninstallKeyboardActions, uninstallListeners

Methods declared in class javax.swing.plaf.ComponentUI

contains, getAccessibleChild, getAccessibleChildrenCount, getMaximumSize, getMinimumSize, installUI, uninstallUI, update

Methods declared in class java.lang.Object

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

Field Details

icon

             protected Icon icon
            

图标。

Constructor Details

BasicRadioButtonUI

             public BasicRadioButtonUI()
            

构造一个BasicRadioButtonUI。

Method Details

createUI

             public static ComponentUI createUI(JComponent b)
            

返回一个BasicRadioButtonUI的实例。

参数:

b - 一个组件

返回:

一个BasicRadioButtonUI的实例

getDefaultIcon

             public Icon getDefaultIcon()
            

返回默认图标。

返回:

默认图标

paint

             public void paint(Graphics g, JComponent c)
            

绘制单选按钮

覆盖:

paint 在类 ComponentUI

参数:

g - 绘制的Graphics上下文

c - 正在绘制的组件；这个参数通常被忽略，但如果UI对象是无状态的并且被多个组件共享，则可能会被使用

参见:

• ComponentUI.update(java.awt.Graphics, javax.swing.JComponent)

paintFocus

             protected void paintFocus(Graphics g, Rectangle textRect, Dimension size)
            

绘制焦点单选按钮。

参数:

g - 一个Graphics的实例

textRect - 边界

size - 单选按钮的大小

getPreferredSize

             public Dimension getPreferredSize(JComponent c)
            

单选按钮的首选大小

覆盖:

getPreferredSize 在类 ComponentUI

参数:

c - 正在查询首选大小的组件；这个参数通常被忽略，但如果UI对象是无状态的并且被多个组件共享，则可能会被使用

返回:

一个包含给定组件适合外观和感觉的首选大小的Dimension对象

参见:

• JComponent.getPreferredSize()
• LayoutManager.preferredLayoutSize(java.awt.Container)