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Java Platform 1.2 Beta 4 |
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java.lang.Object | +--java.awt.Component | +--java.awt.Container | +--com.sun.java.swing.JComponent | +--com.sun.java.swing.AbstractButton | +--com.sun.java.swing.JToggleButton | +--com.sun.java.swing.JRadioButton
ButtonGroup
object to create a group of buttons
in which only one button at a time can be selected. (Create a ButtonGroup
object and use its add
method to include the JRadioButton objects
in the group.)
Note:
The ButtonGroup object is a logical grouping -- not a physical grouping. Tocreate a button panel, you should still create aJPanel
or similar container-object and add aBorder
to it to set it off from surrounding components.See How to Use Radio Buttons in The Java Tutorial for further documentation.
For the keyboard keys used by this component in the standard Look and Feel (L&F) renditions, see the JRadioButton key assignments.
Warning: serialized objects of this class will not be compatible with future swing releases. The current serialization support is appropriate for short term storage or RMI between Swing1.0 applications. It will not be possible to load serialized Swing1.0 objects with future releases of Swing. The JDK1.2 release of Swing will be the compatibility baseline for the serialized form of Swing objects.
- See Also:
ButtonGroup
,JCheckBox
, Serialized Form
Inner Class Summary protected JRadioButton.AccessibleJRadioButton
The class used to obtain the accessible role for this object.
Inner classes inherited from class com.sun.java.swing.JToggleButton JToggleButton.AccessibleJToggleButton , JToggleButton.ToggleButtonModel
Inner classes inherited from class com.sun.java.swing.AbstractButton AbstractButton.AccessibleAbstractButton , AbstractButton.ButtonChangeListener
Inner classes inherited from class com.sun.java.swing.JComponent JComponent.AccessibleJComponent
Fields inherited from class com.sun.java.swing.JComponent accessibleContext , listenerList , TOOL_TIP_TEXT_KEY , ui , UNDEFINED_CONDITION , WHEN_ANCESTOR_OF_FOCUSED_COMPONENT , WHEN_FOCUSED , WHEN_IN_FOCUSED_WINDOW
Fields inherited from class java.awt.Component BOTTOM_ALIGNMENT , CENTER_ALIGNMENT , LEFT_ALIGNMENT , RIGHT_ALIGNMENT , TOP_ALIGNMENT
Constructor Summary JRadioButton()
Creates an initially unselected radio button with no set text.JRadioButton(Icon icon, boolean selected)
Creates a radio button with the specified image and selection state, but no text.JRadioButton(Icon icon)
Creates an initially unselected radio button with the specified image but no text.JRadioButton(String text, boolean selected)
Creates a radio button with the specified text and selection state.JRadioButton(String text, Icon icon, boolean selected)
Creates a radio button that has the specified text, image, and selection state.JRadioButton(String text, Icon icon)
Creates a radio button that has the specified text and image, and that is initially unselected.JRadioButton(String text)
Creates an unselected radio button with the specified text.
Method Summary AccessibleContext getAccessibleContext()
Get the AccessibleContext associated with this JComponentString getUIClassID()
Returns the name of the L&F class that renders this component.void updateUI()
Notification from the UIFactory that the L&F has changed.
Methods inherited from class java.awt.Container add , add , add , add , add , addContainerListener , addImpl , countComponents , deliverEvent , doLayout , findComponentAt , findComponentAt , getComponent , getComponentAt , getComponentAt , getComponentCount , getComponents , getLayout , insets , invalidate , isAncestorOf , layout , list , list , locate , minimumSize , paintComponents , paramString , preferredSize , print , printComponents , processContainerEvent , processEvent , remove , remove , removeAll , removeContainerListener , setLayout , validate , validateTree
Methods inherited from class java.lang.Object clone , equals , finalize , getClass , hashCode , notify , notifyAll , wait , wait , wait
Constructor Detail JRadioButton
public JRadioButton()
- Creates an initially unselected radio button with no set text.
JRadioButton
public JRadioButton(Icon icon)
- Creates an initially unselected radio button with the specified image but no text.
- Parameters:
icon
- the image that the button should display
JRadioButton
public JRadioButton(Icon icon, boolean selected)
- Creates a radio button with the specified image and selection state, but no text.
- Parameters:
icon
- the image that the button should displayselected
- if true, the button is initially selected; otherwise, the button is initially unselected
JRadioButton
public JRadioButton(String text)
- Creates an unselected radio button with the specified text.
- Parameters:
text
- the string displayed on the radio button
JRadioButton
public JRadioButton(String text, boolean selected)
- Creates a radio button with the specified text and selection state.
- Parameters:
text
- the string displayed on the radio buttonselected
- if true, the button is initially selected; otherwise, the button is initially unselected
JRadioButton
public JRadioButton(String text, Icon icon)
- Creates a radio button that has the specified text and image, and that is initially unselected.
- Parameters:
text
- the string displayed on the radio buttonicon
- the image that the button should display
JRadioButton
public JRadioButton(String text, Icon icon, boolean selected)
- Creates a radio button that has the specified text, image, and selection state.
- Parameters:
text
- the string displayed on the radio buttonicon
- the image that the button should display
Method Detail updateUI
public void updateUI()
- Notification from the UIFactory that the L&F has changed.
- Overrides:
- updateUI in class JToggleButton
- See Also:
JComponent.updateUI()
getUIClassID
public String getUIClassID()
- Returns the name of the L&F class that renders this component.
- Returns:
- String "RadioButtonUI"
- Overrides:
- getUIClassID in class JToggleButton
- See Also:
JComponent.getUIClassID()
,UIDefaults.getUI(com.sun.java.swing.JComponent)
getAccessibleContext
public AccessibleContext getAccessibleContext()
- Get the AccessibleContext associated with this JComponent
- Specified by:
- getAccessibleContext in interface Accessible
- Returns:
- the AccessibleContext of this JComponent
- Overrides:
- getAccessibleContext in class JToggleButton
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