Class JRadioButtonMenuItem
- java.lang.Object
-
- java.awt.Component
-
- java.awt.Container
-
- javax.swing.JComponent
-
- javax.swing.AbstractButton
-
- javax.swing.JMenuItem
-
- javax.swing.JRadioButtonMenuItem
- All Implemented Interfaces:
-
ImageObserver
,ItemSelectable
,MenuContainer
,Serializable
,Accessible
,MenuElement
,SwingConstants
@JavaBean(description="A component within a group of menu items which can be selected.") public class JRadioButtonMenuItem extends JMenuItem implements Accessible
An implementation of a radio button menu item. A JRadioButtonMenuItem
is a menu item that is part of a group of menu items in which only one item in the group can be selected. The selected item displays its selected state. Selecting it causes any other selected item to switch to the unselected state. To control the selected state of a group of radio button menu items, use a ButtonGroup
object.
Menu items can be configured, and to some degree controlled, by Action
s. Using an Action
with a menu item has many benefits beyond directly configuring a menu item. Refer to Swing Components Supporting Action
for more details, and you can find more information in How to Use Actions, a section in The Java Tutorial.
Some menus can have several button groups with radio button menu items. In this case it is useful that clicking on one radio button menu item does not close the menu. Such behavior can be controlled either by client JComponent.putClientProperty(java.lang.Object, java.lang.Object)
or the Look and Feel UIManager.put(java.lang.Object, java.lang.Object)
property named "RadioButtonMenuItem.doNotCloseOnMouseClick"
. The default value is false
. Setting the property to true
prevents the menu from closing when it is clicked by the mouse. If the client property is set its value is always used; otherwise the L&F property is queried. Note: some L&F
s may ignore this property. All built-in L&F
s inherit this behaviour.
For further documentation and examples see How to Use Menus, a section in The Java Tutorial.
Warning: Swing is not thread safe. For more information see Swing's Threading Policy.
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 applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans
package. Please see XMLEncoder
.
- Since:
- 1.2
- See Also:
-
ButtonGroup
, Serialized Form
Nested Class Summary
Modifier and Type | Class | Description |
---|---|---|
protected class | JRadioButtonMenuItem.AccessibleJRadioButtonMenuItem | This class implements accessibility support for the |
Nested classes/interfaces declared in class javax.swing.JMenuItem
JMenuItem.AccessibleJMenuItem
Nested classes/interfaces declared in class javax.swing.AbstractButton
AbstractButton.AccessibleAbstractButton, AbstractButton.ButtonChangeListener
Nested classes/interfaces declared in class javax.swing.JComponent
JComponent.AccessibleJComponent
Nested classes/interfaces declared in class java.awt.Container
Container.AccessibleAWTContainer
Nested classes/interfaces declared in class java.awt.Component
Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy
Field Summary
Fields declared in class javax.swing.AbstractButton
actionListener, BORDER_PAINTED_CHANGED_PROPERTY, changeEvent, changeListener, CONTENT_AREA_FILLED_CHANGED_PROPERTY, DISABLED_ICON_CHANGED_PROPERTY, DISABLED_SELECTED_ICON_CHANGED_PROPERTY, FOCUS_PAINTED_CHANGED_PROPERTY, HORIZONTAL_ALIGNMENT_CHANGED_PROPERTY, HORIZONTAL_TEXT_POSITION_CHANGED_PROPERTY, ICON_CHANGED_PROPERTY, itemListener, MARGIN_CHANGED_PROPERTY, MNEMONIC_CHANGED_PROPERTY, model, MODEL_CHANGED_PROPERTY, PRESSED_ICON_CHANGED_PROPERTY, ROLLOVER_ENABLED_CHANGED_PROPERTY, ROLLOVER_ICON_CHANGED_PROPERTY, ROLLOVER_SELECTED_ICON_CHANGED_PROPERTY, SELECTED_ICON_CHANGED_PROPERTY, TEXT_CHANGED_PROPERTY, VERTICAL_ALIGNMENT_CHANGED_PROPERTY, VERTICAL_TEXT_POSITION_CHANGED_PROPERTY
Fields declared in class javax.swing.JComponent
listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW
Fields declared in class java.awt.Component
accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
Fields declared in interface java.awt.image.ImageObserver
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH
Fields declared in interface javax.swing.SwingConstants
BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST
Constructor Summary
Constructor | Description |
---|---|
JRadioButtonMenuItem() | Creates a |
JRadioButtonMenuItem(String text) | Creates a |
JRadioButtonMenuItem(String text,
boolean selected) | Creates a radio button menu item with the specified text and selection state. |
JRadioButtonMenuItem(String text,
Icon icon) | Creates a radio button menu item with the specified text and |
JRadioButtonMenuItem(String text,
Icon icon,
boolean selected) | Creates a radio button menu item that has the specified text, image, and selection state. |
JRadioButtonMenuItem(Action a) | Creates a radio button menu item whose properties are taken from the |
JRadioButtonMenuItem(Icon icon) | Creates a |
JRadioButtonMenuItem(Icon icon,
boolean selected) | Creates a radio button menu item with the specified image and selection state, but no text. |
Method Summary
Modifier and Type | Method | Description |
---|---|---|
AccessibleContext | getAccessibleContext() | Gets the AccessibleContext associated with this JRadioButtonMenuItem. |
String | getUIClassID() | Returns the name of the L&F class that renders this component. |
protected String | paramString() | Returns a string representation of this |
Methods declared in class javax.swing.JMenuItem
actionPropertyChanged, addMenuDragMouseListener, addMenuKeyListener, configurePropertiesFromAction, fireMenuDragMouseDragged, fireMenuDragMouseEntered, fireMenuDragMouseExited, fireMenuDragMouseReleased, fireMenuKeyPressed, fireMenuKeyReleased, fireMenuKeyTyped, getAccelerator, getComponent, getMenuDragMouseListeners, getMenuKeyListeners, getSubElements, init, isArmed, menuSelectionChanged, processKeyEvent, processMenuDragMouseEvent, processMenuKeyEvent, processMouseEvent, removeMenuDragMouseListener, removeMenuKeyListener, setAccelerator, setArmed, setEnabled, setUI, updateUI
Methods declared in class javax.swing.AbstractButton
addActionListener, addChangeListener, addImpl, addItemListener, checkHorizontalKey, checkVerticalKey, createActionListener, createActionPropertyChangeListener, createChangeListener, createItemListener, doClick, doClick, fireActionPerformed, fireItemStateChanged, fireStateChanged, getAction, getActionCommand, getActionListeners, getChangeListeners, getDisabledIcon, getDisabledSelectedIcon, getDisplayedMnemonicIndex, getHideActionText, getHorizontalAlignment, getHorizontalTextPosition, getIcon, getIconTextGap, getItemListeners, getLabel, getMargin, getMnemonic, getModel, getMultiClickThreshhold, getPressedIcon, getRolloverIcon, getRolloverSelectedIcon, getSelectedIcon, getSelectedObjects, getText, getUI, getVerticalAlignment, getVerticalTextPosition, imageUpdate, isBorderPainted, isContentAreaFilled, isFocusPainted, isRolloverEnabled, isSelected, paintBorder, removeActionListener, removeChangeListener, removeItemListener, removeNotify, setAction, setActionCommand, setBorderPainted, setContentAreaFilled, setDisabledIcon, setDisabledSelectedIcon, setDisplayedMnemonicIndex, setFocusPainted, setHideActionText, setHorizontalAlignment, setHorizontalTextPosition, setIcon, setIconTextGap, setLabel, setLayout, setMargin, setMnemonic, setMnemonic, setModel, setMultiClickThreshhold, setPressedIcon, setRolloverEnabled, setRolloverIcon, setRolloverSelectedIcon, setSelected, setSelectedIcon, setText, setUI, setVerticalAlignment, setVerticalTextPosition
Methods declared in class javax.swing.JComponent
addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update
Methods declared in class java.awt.Container
add, add, add, add, add, addContainerListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, transferFocusDownCycle, validate, validateTree
Methods declared in class java.awt.Component
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setMixingCutoutShape, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle
Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Constructor Detail
JRadioButtonMenuItem
public JRadioButtonMenuItem()
Creates a JRadioButtonMenuItem
with no set text or icon.
JRadioButtonMenuItem
public JRadioButtonMenuItem(Icon icon)
Creates a JRadioButtonMenuItem
with an icon.
- Parameters:
-
icon
- theIcon
to display on theJRadioButtonMenuItem
JRadioButtonMenuItem
public JRadioButtonMenuItem(String text)
Creates a JRadioButtonMenuItem
with text.
- Parameters:
-
text
- the text of theJRadioButtonMenuItem
JRadioButtonMenuItem
public JRadioButtonMenuItem(Action a)
Creates a radio button menu item whose properties are taken from the Action
supplied.
- Parameters:
-
a
- theAction
on which to base the radio button menu item - Since:
- 1.3
JRadioButtonMenuItem
public JRadioButtonMenuItem(String text, Icon icon)
Creates a radio button menu item with the specified text and Icon
.
- Parameters:
-
text
- the text of theJRadioButtonMenuItem
-
icon
- the icon to display on theJRadioButtonMenuItem
JRadioButtonMenuItem
public JRadioButtonMenuItem(String text, boolean selected)
Creates a radio button menu item with the specified text and selection state.
- Parameters:
-
text
- the text of theCheckBoxMenuItem
-
selected
- the selected state of theCheckBoxMenuItem
JRadioButtonMenuItem
public JRadioButtonMenuItem(Icon icon, boolean selected)
Creates a radio button menu item with the specified image and selection state, but no text.
- Parameters:
-
icon
- the image that the button should display -
selected
- if true, the button is initially selected; otherwise, the button is initially unselected
JRadioButtonMenuItem
public JRadioButtonMenuItem(String text, Icon icon, boolean selected)
Creates a radio button menu item that has the specified text, image, and selection state. All other constructors defer to this one.
- Parameters:
-
text
- the string displayed on the radio button -
icon
- the image that the button should display -
selected
- iftrue
, the button is initially selected, otherwise, the button is initially unselected
Method Detail
getUIClassID
@BeanProperty(bound=false) public String getUIClassID()
Returns the name of the L&F class that renders this component.
- Overrides:
-
getUIClassID
in classJMenuItem
- Returns:
- the string "RadioButtonMenuItemUI"
- See Also:
-
JComponent.getUIClassID()
,UIDefaults.getUI(javax.swing.JComponent)
paramString
protected String paramString()
Returns a string representation of this JRadioButtonMenuItem
. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be null
.
- Overrides:
-
paramString
in classJMenuItem
- Returns:
- a string representation of this
JRadioButtonMenuItem
getAccessibleContext
@BeanProperty(bound=false) public AccessibleContext getAccessibleContext()
Gets the AccessibleContext associated with this JRadioButtonMenuItem. For JRadioButtonMenuItems, the AccessibleContext takes the form of an AccessibleJRadioButtonMenuItem. A new AccessibleJRadioButtonMenuItem instance is created if necessary.
- Specified by:
-
getAccessibleContext
in interfaceAccessible
- Overrides:
-
getAccessibleContext
in classJMenuItem
- Returns:
- an AccessibleJRadioButtonMenuItem that serves as the AccessibleContext of this JRadioButtonMenuItem