Modifier and Type	Class and Description
protected class	JMenuBar.AccessibleJMenuBar This class implements accessibility support for the `JMenuBar` class.

Modifier and Type	Field and Description
private static final boolean	DEBUG
private Insets	margin
private boolean	paintBorder
private transient SingleSelectionModel	selectionModel
private static final boolean	TRACE
private static final String	uiClassID Hides javax.swing.JComponent.uiClassID.
private static final boolean	VERBOSE

Access	Constructor and Description
public	JMenuBar() Creates a new menu bar.

Method Summary

Modifier and Type	Method and Description
public JMenu	Returns: the menu component add(JMenu the `JMenu` component to add c) Appends the specified menu to the end of the menu bar.
public void	addNotify() Overrides javax.swing.JComponent.addNotify. Overrides `JComponent.addNotify` to register this menu bar with the current keyboard manager.
public AccessibleContext	Returns: an AccessibleJMenuBar that serves as the AccessibleContext of this JMenuBar getAccessibleContext() Overrides java.awt.Component.getAccessibleContext. Implements javax.accessibility.Accessible.getAccessibleContext. Gets the AccessibleContext associated with this JMenuBar.
public Component	Returns: the current `Component` (this) getComponent() Implements javax.swing.MenuElement.getComponent. Implemented to be a `MenuElement`.
public Component	Returns: the `Component` at the position, or `null` for an invalid index getComponentAtIndex(int an integer specifying the position, where 0 is first i) Deprecated replaced by `getComponent(int i)` Returns the component at the specified index.
public int	Returns: an integer giving the component's position, where 0 is first; or -1 if it can't be found getComponentIndex(Component the `Component` to find c) Returns the index of the specified component.
public JMenu	Returns: the `JMenu` that delivers help to the user getHelpMenu() Gets the help menu for the menu bar.
public Insets	Returns: an `Insets` object containing the margin values getMargin() Returns the margin between the menubar's border and its menus.
public JMenu	Returns: the `JMenu` at that position, or `null` if if there is no `JMenu` at that position (ie. if it is a `JMenuItem`) getMenu(int an integer giving the position in the menu bar, where 0 is the first position index) Returns the menu at the specified position in the menu bar.
public int	Returns: the number of items in the menu bar getMenuCount() Returns the number of items in the menu bar.
public SingleSelectionModel	Returns: the `SingleSelectionModel` property getSelectionModel() Returns the model object that handles single selections.
public MenuElement[]	Returns: an array of menu items in the menu bar. getSubElements() Implements javax.swing.MenuElement.getSubElements. Implemented to be a `MenuElement` -- returns the menus in this menu bar.
public MenuBarUI	Returns: a `MenuBarUI` which is the menubar's current L&F object getUI() Overrides javax.swing.JComponent.getUI. Returns the menubar's current UI.
public String	Returns: the string "MenuBarUI" getUIClassID() Overrides javax.swing.JComponent.getUIClassID. Returns the name of the L&F class that renders this component.
public boolean	Returns: true if the border should be painted, else false isBorderPainted() Returns true if the menu bars border should be painted.
public boolean	Returns: true if a selection has been made, else false isSelected() Returns true if the menu bar currently has a component selected.
public void	menuSelectionChanged(boolean isIncluded) Implements javax.swing.MenuElement.menuSelectionChanged. Implemented to be a `MenuElement` -- does nothing.
protected void	paintBorder(Graphics the `Graphics` context to use for painting g) Overrides javax.swing.JComponent.paintBorder. Paints the menubar's border if `BorderPainted` property is true.
protected String	Returns: a string representation of this `JMenuBar` paramString() Overrides javax.swing.JComponent.paramString. Returns a string representation of this `JMenuBar`.
pack-priv static boolean	processBindingForKeyStrokeRecursive(MenuElement elem, KeyStroke ks, KeyEvent e, int condition, boolean pressed)
protected boolean	processKeyBinding(KeyStroke ks, KeyEvent e, int condition, boolean pressed) Overrides javax.swing.JComponent.processKeyBinding. Subclassed to check all the child menus.
public void	processKeyEvent(KeyEvent e, MenuElement[] path, MenuSelectionManager manager) Implements javax.swing.MenuElement.processKeyEvent. Implemented to be a `MenuElement` -- does nothing.
public void	processMouseEvent(MouseEvent event, MenuElement[] path, MenuSelectionManager manager) Implements javax.swing.MenuElement.processMouseEvent. Implemented to be a `MenuElement` -- does nothing.
private void	readObject(ObjectInputStream s) Hides javax.swing.JComponent.readObject. See JComponent.readObject() for information about serialization in Swing.
public void	removeNotify() Overrides javax.swing.JComponent.removeNotify. Overrides `JComponent.removeNotify` to unregister this menu bar with the current keyboard manager.
public void	setBorderPainted(boolean if true and border property is not `null`, the border is painted. b) Sets whether the border should be painted.
public void	setHelpMenu(JMenu the JMenu that delivers help to the user menu) Sets the help menu that appears when the user selects the "help" option in the menu bar.
public void	setMargin(Insets an Insets object containing the margin values m) Sets the margin between the menubar's border and its menus.
public void	setSelected(Component the `Component` to select sel) Sets the currently selected component, producing a a change to the selection model.
public void	setSelectionModel(SingleSelectionModel the `SingleSelectionModel` to use model) Sets the model object to handle single selections.
public void	setUI(MenuBarUI the new MenuBarUI L&F object ui) Sets the L&F object that renders this component.
public void	updateUI() Overrides javax.swing.JComponent.updateUI. Resets the UI property with a value from the current look and feel.
private void	writeObject(ObjectOutputStream s) Hides javax.swing.JComponent.writeObject. Before writing a `JComponent` to an `ObjectOutputStream` we temporarily uninstall its UI.

Inherited from javax.swing.JComponent:: _paintImmediately addAncestorListener addVetoableChangeListener alwaysOnTop checkIfChildObscuredBySibling clientPropertyChanged componentInputMapChanged computeVisibleRect computeVisibleRect compWriteObjectNotify contains createToolTip disable dndDone dropLocationForPoint enable firePropertyChange firePropertyChange firePropertyChange fireVetoableChange getActionForKeyStroke getActionMap getActionMap getAlignmentX getAlignmentY getAncestorListeners getAutoscrolls getBaseline getBaselineResizeBehavior getBorder getBounds getClientProperty getComponentGraphics getComponentPopupMenu getConditionForKeyStroke getCreatedDoubleBuffer getDebugGraphicsOptions getDefaultLocale getFontMetrics getGraphics getGraphicsInvoked getHeight getInheritsPopupMenu getInputMap getInputMap getInputMap getInputVerifier getInsets getInsets getListeners getLocation getManagingFocusBackwardTraversalKeys getManagingFocusForwardTraversalKeys getMaximumSize getMinimumSize getNextFocusableComponent getPopupLocation getPreferredSize getRegisteredKeyStrokes getRootPane getSize getToolTipLocation getToolTipText getToolTipText getTopLevelAncestor getTransferHandler getVerifyInputWhenFocusTarget getVetoableChangeListeners getVisibleRect getWidth getWriteObjCounter getX getY grabFocus hide isDoubleBuffered isLightweightComponent isManagingFocus isOpaque isOptimizedDrawingEnabled isPainting isPaintingForPrint isPaintingOrigin isPaintingTile isRequestFocusEnabled isValidateRoot paint paintChildren paintComponent paintForceDoubleBuffered paintImmediately paintImmediately paintToOffscreen print printAll printBorder printChildren printComponent processComponentKeyEvent processKeyBindings processKeyBindingsForAllComponents processKeyEvent processMouseEvent processMouseMotionEvent putClientProperty rectangleIsObscured registerKeyboardAction registerKeyboardAction removeAncestorListener removeVetoableChangeListener repaint repaint requestDefaultFocus requestFocus requestFocus requestFocusInWindow requestFocusInWindow resetKeyboardActions reshape revalidate safelyGetGraphics safelyGetGraphics scrollRectToVisible setActionMap setAlignmentX setAlignmentY setAutoscrolls setBackground setBorder setComponentPopupMenu setCreatedDoubleBuffer setDebugGraphicsOptions setDefaultLocale setDoubleBuffered setDropLocation setEnabled setFocusTraversalKeys setFont setForeground setInheritsPopupMenu setInputMap setInputVerifier setMaximumSize setMinimumSize setNextFocusableComponent setOpaque setPaintingChild setPreferredSize setRequestFocusEnabled setToolTipText setTransferHandler setUI setUIProperty setVerifyInputWhenFocusTarget setVisible setWriteObjCounter shouldDebugGraphics superProcessMouseMotionEvent unregisterKeyboardAction update

Field Detail

DEBUG	back to summary
private static final boolean DEBUG

margin	back to summary
private Insets margin

paintBorder	back to summary
private boolean paintBorder

selectionModel	back to summary
private transient SingleSelectionModel selectionModel

TRACE	back to summary
private static final boolean TRACE

uiClassID back to summary

uiClassID	back to summary
private static final String uiClassID Hides javax.swing.JComponent.uiClassID. See Also `getUIClassID`, `readObject`

private static final String uiClassID

Hides javax.swing.JComponent.uiClassID.

See Also: getUIClassID, readObject

VERBOSE	back to summary
private static final boolean VERBOSE

Constructor Detail

JMenuBar	back to summary
public JMenuBar() Creates a new menu bar.

Method Detail

add back to summary

add	back to summary
public JMenu add(JMenu c) Appends the specified menu to the end of the menu bar. Parameters c:JMenu the `JMenu` component to add Returns:JMenu the menu component

public JMenu add(JMenu c)

Appends the specified menu to the end of the menu bar.

Parameters

c:JMenu: the JMenu component to add

Returns:JMenu

the menu component

addNotify back to summary

addNotify	back to summary
public void addNotify() Overrides javax.swing.JComponent.addNotify. Overrides `JComponent.addNotify` to register this menu bar with the current keyboard manager.

public void addNotify()

Overrides javax.swing.JComponent.addNotify.

Overrides JComponent.addNotify to register this menu bar with the current keyboard manager.

getAccessibleContext	back to summary
public AccessibleContext getAccessibleContext() Overrides java.awt.Component.getAccessibleContext. Implements javax.accessibility.Accessible.getAccessibleContext. Gets the AccessibleContext associated with this JMenuBar. For JMenuBars, the AccessibleContext takes the form of an AccessibleJMenuBar. A new AccessibleJMenuBar instance is created if necessary. Returns:AccessibleContext an AccessibleJMenuBar that serves as the AccessibleContext of this JMenuBar Annotations @BeanProperty bound:false

getAccessibleContext

back to summary

public AccessibleContext getAccessibleContext()

Overrides java.awt.Component.getAccessibleContext.

Implements javax.accessibility.Accessible.getAccessibleContext.

Gets the AccessibleContext associated with this JMenuBar. For JMenuBars, the AccessibleContext takes the form of an AccessibleJMenuBar. A new AccessibleJMenuBar instance is created if necessary.

Returns:AccessibleContext

an AccessibleJMenuBar that serves as the AccessibleContext of this JMenuBar

Annotations

@BeanProperty
bound:false

getComponent back to summary

getComponent	back to summary
public Component getComponent() Implements javax.swing.MenuElement.getComponent. Implemented to be a `MenuElement`. Returns this object. Returns:Component the current `Component` (this) See Also `getSubElements`

public Component getComponent()

Implements javax.swing.MenuElement.getComponent.

Implemented to be a MenuElement. Returns this object.

Returns:Component: the current Component (this)
See Also: getSubElements

getComponentAtIndex back to summary

getComponentAtIndex	back to summary
public Component getComponentAtIndex(int i) Deprecated replaced by `getComponent(int i)` Returns the component at the specified index. Parameters i:int an integer specifying the position, where 0 is first Returns:Component the `Component` at the position, or `null` for an invalid index Annotations @Deprecated

public Component getComponentAtIndex(int i)

Deprecated

replaced by getComponent(int i)

Returns the component at the specified index.

Parameters

i:int: an integer specifying the position, where 0 is first

Returns:Component

the Component at the position, or null for an invalid index

Annotations

@Deprecated

getComponentIndex back to summary

getComponentIndex	back to summary
public int getComponentIndex(Component c) Returns the index of the specified component. Parameters c:Component the `Component` to find Returns:int an integer giving the component's position, where 0 is first; or -1 if it can't be found

public int getComponentIndex(Component c)

Returns the index of the specified component.

Parameters

c:Component: the Component to find

Returns:int

an integer giving the component's position, where 0 is first; or -1 if it can't be found

getHelpMenu back to summary

getHelpMenu	back to summary
public JMenu getHelpMenu() Gets the help menu for the menu bar. This method is not yet implemented and will throw an exception. Returns:JMenu the `JMenu` that delivers help to the user Annotations @Transient

public JMenu getHelpMenu()

Gets the help menu for the menu bar. This method is not yet implemented and will throw an exception.

Returns:JMenu

the JMenu that delivers help to the user

Annotations

@Transient

getMargin back to summary

getMargin	back to summary
public Insets getMargin() Returns the margin between the menubar's border and its menus. If there is no previous margin, it will create a default margin with zero size. Returns:Insets an `Insets` object containing the margin values See Also `Insets`

public Insets getMargin()

Returns the margin between the menubar's border and its menus. If there is no previous margin, it will create a default margin with zero size.

Returns:Insets: an Insets object containing the margin values
See Also: Insets

getMenu back to summary

getMenu	back to summary
public JMenu getMenu(int index) Returns the menu at the specified position in the menu bar. Parameters index:int an integer giving the position in the menu bar, where 0 is the first position Returns:JMenu the `JMenu` at that position, or `null` if if there is no `JMenu` at that position (ie. if it is a `JMenuItem`)

public JMenu getMenu(int index)

Returns the menu at the specified position in the menu bar.

Parameters

index:int: an integer giving the position in the menu bar, where 0 is the first position

Returns:JMenu

the JMenu at that position, or null if if there is no JMenu at that position (ie. if it is a JMenuItem)

getMenuCount	back to summary
public int getMenuCount() Returns the number of items in the menu bar. Returns:int the number of items in the menu bar Annotations @BeanProperty bound:false

getMenuCount

back to summary

public int getMenuCount()

Returns the number of items in the menu bar.

Returns:int

the number of items in the menu bar

Annotations

@BeanProperty
bound:false

getSelectionModel back to summary

getSelectionModel	back to summary
public SingleSelectionModel getSelectionModel() Returns the model object that handles single selections. Returns:SingleSelectionModel the `SingleSelectionModel` property See Also `SingleSelectionModel`

public SingleSelectionModel getSelectionModel()

Returns the model object that handles single selections.

Returns:SingleSelectionModel: the SingleSelectionModel property
See Also: SingleSelectionModel

getSubElements back to summary

getSubElements	back to summary
public MenuElement[] getSubElements() Implements javax.swing.MenuElement.getSubElements. Implemented to be a `MenuElement` -- returns the menus in this menu bar. This is the reason for implementing the `MenuElement` interface -- so that the menu bar can be treated the same as other menu elements. Returns:MenuElement[] an array of menu items in the menu bar. Annotations @BeanProperty bound:false

public MenuElement[] getSubElements()

Implements javax.swing.MenuElement.getSubElements.

Implemented to be a MenuElement -- returns the menus in this menu bar. This is the reason for implementing the MenuElement interface -- so that the menu bar can be treated the same as other menu elements.

Returns:MenuElement[]

an array of menu items in the menu bar.

Annotations

@BeanProperty
bound:false

getUI back to summary

getUI	back to summary
public MenuBarUI getUI() Overrides javax.swing.JComponent.getUI. Returns the menubar's current UI. Returns:MenuBarUI a `MenuBarUI` which is the menubar's current L&F object See Also `setUI`

public MenuBarUI getUI()

Overrides javax.swing.JComponent.getUI.

Returns the menubar's current UI.

Returns:MenuBarUI: a MenuBarUI which is the menubar's current L&F object
See Also: setUI

getUIClassID back to summary

getUIClassID	back to summary
public String getUIClassID() Overrides javax.swing.JComponent.getUIClassID. Returns the name of the L&F class that renders this component. Returns:String the string "MenuBarUI" Annotations @BeanProperty bound:false See Also `JComponent#getUIClassID`, `UIDefaults#getUI`

public String getUIClassID()

Overrides javax.swing.JComponent.getUIClassID.

Returns the name of the L&F class that renders this component.

Returns:String

the string "MenuBarUI"

Annotations

@BeanProperty
bound:false

isBorderPainted	back to summary
public boolean isBorderPainted() Returns true if the menu bars border should be painted. Returns:boolean true if the border should be painted, else false

isBorderPainted

back to summary

public boolean isBorderPainted()

Returns true if the menu bars border should be painted.

Returns:boolean: true if the border should be painted, else false

isSelected	back to summary
public boolean isSelected() Returns true if the menu bar currently has a component selected. Returns:boolean true if a selection has been made, else false Annotations @BeanProperty bound:false

isSelected

back to summary

public boolean isSelected()

Returns true if the menu bar currently has a component selected.

Returns:boolean

true if a selection has been made, else false

Annotations

@BeanProperty
bound:false

menuSelectionChanged back to summary

menuSelectionChanged	back to summary
public void menuSelectionChanged(boolean isIncluded) Implements javax.swing.MenuElement.menuSelectionChanged. Implemented to be a `MenuElement` -- does nothing. See Also `getSubElements`

public void menuSelectionChanged(boolean isIncluded)

Implements javax.swing.MenuElement.menuSelectionChanged.

Implemented to be a MenuElement -- does nothing.

See Also: getSubElements

paintBorder back to summary

paintBorder	back to summary
protected void paintBorder(Graphics g) Overrides javax.swing.JComponent.paintBorder. Paints the menubar's border if `BorderPainted` property is true. Parameters g:Graphics the `Graphics` context to use for painting See Also `JComponent#paint`, `JComponent#setBorder`

protected void paintBorder(Graphics g)

Overrides javax.swing.JComponent.paintBorder.

Paints the menubar's border if BorderPainted property is true.

Parameters

g:Graphics: the Graphics context to use for painting

paramString back to summary

paramString	back to summary
protected String paramString() Overrides javax.swing.JComponent.paramString. Returns a string representation of this `JMenuBar`. 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`. Returns:String a string representation of this `JMenuBar`

protected String paramString()

Overrides javax.swing.JComponent.paramString.

Returns a string representation of this JMenuBar. 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.

Returns:String: a string representation of this JMenuBar

processBindingForKeyStrokeRecursive	back to summary
pack-priv static boolean processBindingForKeyStrokeRecursive(MenuElement elem, KeyStroke ks, KeyEvent e, int condition, boolean pressed)

processKeyBinding	back to summary
protected boolean processKeyBinding(KeyStroke ks, KeyEvent e, int condition, boolean pressed) Overrides javax.swing.JComponent.processKeyBinding. Subclassed to check all the child menus. Since 1.3

processKeyBinding

back to summary

protected boolean processKeyBinding(KeyStroke ks, KeyEvent e, int condition, boolean pressed)

Overrides javax.swing.JComponent.processKeyBinding.

Subclassed to check all the child menus.

Since: 1.3

processKeyEvent back to summary

processKeyEvent	back to summary
public void processKeyEvent(KeyEvent e, MenuElement[] path, MenuSelectionManager manager) Implements javax.swing.MenuElement.processKeyEvent. Implemented to be a `MenuElement` -- does nothing. See Also `getSubElements`

public void processKeyEvent(KeyEvent e, MenuElement[] path, MenuSelectionManager manager)

Implements javax.swing.MenuElement.processKeyEvent.

Implemented to be a MenuElement -- does nothing.

See Also: getSubElements

processMouseEvent back to summary

processMouseEvent	back to summary
public void processMouseEvent(MouseEvent event, MenuElement[] path, MenuSelectionManager manager) Implements javax.swing.MenuElement.processMouseEvent. Implemented to be a `MenuElement` -- does nothing. See Also `getSubElements`

public void processMouseEvent(MouseEvent event, MenuElement[] path, MenuSelectionManager manager)

Implements javax.swing.MenuElement.processMouseEvent.

Implemented to be a MenuElement -- does nothing.

See Also: getSubElements

readObject	back to summary
private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException Hides javax.swing.JComponent.readObject. See JComponent.readObject() for information about serialization in Swing. Annotations @Serial Exceptions IOException: Doc from java.awt.Container.readObject. if an I/O error occurs ClassNotFoundException: Doc from java.awt.Container.readObject. if the class of a serialized object could not be found

readObject

back to summary

private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException

Hides javax.swing.JComponent.readObject.

See JComponent.readObject() for information about serialization in Swing.

Annotations

@Serial

Exceptions

IOException:

Doc from java.awt.Container.readObject.

if an I/O error occurs

ClassNotFoundException:

Doc from java.awt.Container.readObject.

if the class of a serialized object could not be found

removeNotify back to summary

removeNotify	back to summary
public void removeNotify() Overrides javax.swing.JComponent.removeNotify. Overrides `JComponent.removeNotify` to unregister this menu bar with the current keyboard manager.

public void removeNotify()

Overrides javax.swing.JComponent.removeNotify.

Overrides JComponent.removeNotify to unregister this menu bar with the current keyboard manager.

setBorderPainted back to summary

setBorderPainted	back to summary
public void setBorderPainted(boolean b) Sets whether the border should be painted. Parameters b:boolean if true and border property is not `null`, the border is painted. Annotations @BeanProperty visualUpdate:true description:Whether the border should be painted. See Also `isBorderPainted`

public void setBorderPainted(boolean b)

Sets whether the border should be painted.

Parameters

b:boolean: if true and border property is not null, the border is painted.

Annotations

@BeanProperty
visualUpdate:true
description:Whether the border should be painted.

See Also

isBorderPainted

setHelpMenu	back to summary
public void setHelpMenu(JMenu menu) Sets the help menu that appears when the user selects the "help" option in the menu bar. This method is not yet implemented and will throw an exception. Parameters menu:JMenu the JMenu that delivers help to the user

setHelpMenu

back to summary

public void setHelpMenu(JMenu menu)

Sets the help menu that appears when the user selects the "help" option in the menu bar. This method is not yet implemented and will throw an exception.

Parameters

menu:JMenu: the JMenu that delivers help to the user

setMargin back to summary

setMargin	back to summary
public void setMargin(Insets m) Sets the margin between the menubar's border and its menus. Setting to `null` will cause the menubar to use the default margins. Parameters m:Insets an Insets object containing the margin values Annotations @BeanProperty visualUpdate:true description:The space between the menubar\'s border and its contents See Also `Insets`

public void setMargin(Insets m)

Sets the margin between the menubar's border and its menus. Setting to null will cause the menubar to use the default margins.

Parameters

m:Insets: an Insets object containing the margin values

Annotations

@BeanProperty
visualUpdate:true
description:The space between the menubar\'s border and its contents

See Also

Insets

setSelected back to summary

setSelected	back to summary
public void setSelected(Component sel) Sets the currently selected component, producing a a change to the selection model. Parameters sel:Component the `Component` to select

public void setSelected(Component sel)

Sets the currently selected component, producing a a change to the selection model.

Parameters

sel:Component: the Component to select

setSelectionModel back to summary

setSelectionModel	back to summary
public void setSelectionModel(SingleSelectionModel model) Sets the model object to handle single selections. Parameters model:SingleSelectionModel the `SingleSelectionModel` to use Annotations @BeanProperty description:The selection model, recording which child is selected. See Also `SingleSelectionModel`

public void setSelectionModel(SingleSelectionModel model)

Sets the model object to handle single selections.

Parameters

model:SingleSelectionModel: the SingleSelectionModel to use

Annotations

@BeanProperty
description:The selection model, recording which child is selected.

See Also

SingleSelectionModel

setUI back to summary

setUI	back to summary
public void setUI(MenuBarUI ui) Sets the L&F object that renders this component. Parameters ui:MenuBarUI the new MenuBarUI L&F object Annotations @BeanProperty hidden:true visualUpdate:true description:The UI object that implements the Component\'s LookAndFeel. See Also `UIDefaults#getUI`

public void setUI(MenuBarUI ui)

Sets the L&F object that renders this component.

Parameters

ui:MenuBarUI: the new MenuBarUI L&F object

Annotations

@BeanProperty
hidden:true
visualUpdate:true
description:The UI object that implements the Component\'s LookAndFeel.

See Also

UIDefaults#getUI

updateUI back to summary

updateUI	back to summary
public void updateUI() Overrides javax.swing.JComponent.updateUI. Resets the UI property with a value from the current look and feel. See Also `JComponent#updateUI`

public void updateUI()

Overrides javax.swing.JComponent.updateUI.

Resets the UI property with a value from the current look and feel.

See Also: JComponent#updateUI

writeObject back to summary

writeObject	back to summary
private void writeObject(ObjectOutputStream s) throws IOException Hides javax.swing.JComponent.writeObject. Doc from javax.swing.JComponent.writeObject. Before writing a `JComponent` to an `ObjectOutputStream` we temporarily uninstall its UI. This is tricky to do because we want to uninstall the UI before any of the `JComponent`'s children (or its `LayoutManager` etc.) are written, and we don't want to restore the UI until the most derived `JComponent` subclass has been stored. Annotations @Serial Exceptions IOException: Doc from java.awt.Container.writeObject. if an I/O error occurs

private void writeObject(ObjectOutputStream s) throws IOException

Hides javax.swing.JComponent.writeObject.

Doc from javax.swing.JComponent.writeObject.

Before writing a JComponent to an ObjectOutputStream we temporarily uninstall its UI. This is tricky to do because we want to uninstall the UI before any of the JComponent's children (or its LayoutManager etc.) are written, and we don't want to restore the UI until the most derived JComponent subclass has been stored.

Annotations

@Serial

Exceptions

IOException:

Doc from java.awt.Container.writeObject.

if an I/O error occurs

javax.swing back to summary

protected Class JMenuBar.AccessibleJMenuBar

Class Inheritance

extends AccessibleJComponent
implements AccessibleSelection

java.lang.Object
javax.accessibility.AccessibleContext
java.awt.Component.AccessibleAWTComponent
java.awt.Container.AccessibleAWTContainer
javax.swing.JComponent.AccessibleJComponent
javax.swing.JMenuBar.AccessibleJMenuBar

All Implemented Interfaces

javax.accessibility.AccessibleSelection

Annotations

@SuppressWarnings:serial

This class implements accessibility support for the JMenuBar class. It provides an implementation of the Java Accessibility API appropriate to menu bar user-interface elements.

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 java.beans.XMLEncoder.

Field Summary

Inherited from javax.swing.JComponent.AccessibleJComponent:: accessibleFocusHandler

Constructor Summary

Access	Constructor and Description
protected	AccessibleJMenuBar() Constructs an `AccessibleJMenuBar`.

Method Summary

Modifier and Type	Method and Description
public void	addAccessibleSelection(int the zero-based index of selectable items i) Implements javax.accessibility.AccessibleSelection.addAccessibleSelection. Selects the nth menu in the menu bar, forcing it to pop up.
public void	clearAccessibleSelection() Implements javax.accessibility.AccessibleSelection.clearAccessibleSelection. Clears the selection in the object, so that nothing in the object is selected.
public AccessibleRole	Returns: an instance of AccessibleRole describing the role of the object getAccessibleRole() Overrides javax.swing.JComponent.AccessibleJComponent.getAccessibleRole. Get the role of this object.
public AccessibleSelection	Returns: this object getAccessibleSelection() Overrides javax.accessibility.AccessibleContext.getAccessibleSelection. Get the AccessibleSelection associated with this object.
public Accessible	getAccessibleSelection(int i) Implements javax.accessibility.AccessibleSelection.getAccessibleSelection. Returns the currently selected menu if one is selected, otherwise null.
public int	Returns: 1 if a menu is currently selected, else 0 getAccessibleSelectionCount() Implements javax.accessibility.AccessibleSelection.getAccessibleSelectionCount. Returns 1 if a menu is currently selected in this menu bar.
public AccessibleStateSet	Returns: an instance of AccessibleState containing the current state of the object getAccessibleStateSet() Overrides javax.swing.JComponent.AccessibleJComponent.getAccessibleStateSet. Get the accessible state set of this object.
public boolean	isAccessibleChildSelected(int the zero-based index of the child in this Accessible object. i) Implements javax.accessibility.AccessibleSelection.isAccessibleChildSelected. Returns true if the current child of this object is selected.
public void	removeAccessibleSelection(int the zero-based index of selectable items i) Implements javax.accessibility.AccessibleSelection.removeAccessibleSelection. Removes the nth selected item in the object from the object's selection.
public void	selectAllAccessibleSelection() Implements javax.accessibility.AccessibleSelection.selectAllAccessibleSelection. Normally causes every selected item in the object to be selected if the object supports multiple selections.

Inherited from javax.swing.JComponent.AccessibleJComponent:: addPropertyChangeListener getAccessibleChild getAccessibleChildrenCount getAccessibleDescription getAccessibleExtendedComponent getAccessibleKeyBinding getAccessibleName getBorderTitle getTitledBorderText getToolTipText removePropertyChangeListener

Constructor Detail

AccessibleJMenuBar	back to summary
protected AccessibleJMenuBar() Constructs an `AccessibleJMenuBar`.

Method Detail

addAccessibleSelection back to summary

addAccessibleSelection	back to summary
public void addAccessibleSelection(int i) Implements javax.accessibility.AccessibleSelection.addAccessibleSelection. Selects the nth menu in the menu bar, forcing it to pop up. If another menu is popped up, this will force it to close. If the nth menu is already selected, this method has no effect. Parameters i:int the zero-based index of selectable items See Also `getAccessibleStateSet`

public void addAccessibleSelection(int i)

Implements javax.accessibility.AccessibleSelection.addAccessibleSelection.

Selects the nth menu in the menu bar, forcing it to pop up. If another menu is popped up, this will force it to close. If the nth menu is already selected, this method has no effect.

Parameters

i:int: the zero-based index of selectable items

See Also

getAccessibleStateSet

clearAccessibleSelection	back to summary
public void clearAccessibleSelection() Implements javax.accessibility.AccessibleSelection.clearAccessibleSelection. Clears the selection in the object, so that nothing in the object is selected. This will close any open menu.

clearAccessibleSelection

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public void clearAccessibleSelection()

Implements javax.accessibility.AccessibleSelection.clearAccessibleSelection.

Clears the selection in the object, so that nothing in the object is selected. This will close any open menu.

getAccessibleRole

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public AccessibleRole getAccessibleRole()

Overrides javax.swing.JComponent.AccessibleJComponent.getAccessibleRole.

Get the role of this object.

Returns:AccessibleRole: an instance of AccessibleRole describing the role of the object

getAccessibleSelection

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public AccessibleSelection getAccessibleSelection()

Overrides javax.accessibility.AccessibleContext.getAccessibleSelection.

Get the AccessibleSelection associated with this object. In the implementation of the Java Accessibility API for this class, return this object, which is responsible for implementing the AccessibleSelection interface on behalf of itself.

Returns:AccessibleSelection: this object

getAccessibleSelection

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public Accessible getAccessibleSelection(int i)

Implements javax.accessibility.AccessibleSelection.getAccessibleSelection.

Returns the currently selected menu if one is selected, otherwise null.

getAccessibleSelectionCount

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public int getAccessibleSelectionCount()

Implements javax.accessibility.AccessibleSelection.getAccessibleSelectionCount.

Returns 1 if a menu is currently selected in this menu bar.

Returns:int: 1 if a menu is currently selected, else 0

getAccessibleStateSet

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public AccessibleStateSet getAccessibleStateSet()

Overrides javax.swing.JComponent.AccessibleJComponent.getAccessibleStateSet.

Get the accessible state set of this object.

Returns:AccessibleStateSet: an instance of AccessibleState containing the current state of the object

isAccessibleChildSelected back to summary

public boolean isAccessibleChildSelected(int i)

Implements javax.accessibility.AccessibleSelection.isAccessibleChildSelected.

Returns true if the current child of this object is selected.

Parameters

i:int: the zero-based index of the child in this Accessible object.

See Also

AccessibleContext#getAccessibleChild

removeAccessibleSelection

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public void removeAccessibleSelection(int i)

Implements javax.accessibility.AccessibleSelection.removeAccessibleSelection.

Removes the nth selected item in the object from the object's selection. If the nth item isn't currently selected, this method has no effect. Otherwise, it closes the popup menu.

Parameters

i:int: the zero-based index of selectable items

selectAllAccessibleSelection

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public void selectAllAccessibleSelection()

Implements javax.accessibility.AccessibleSelection.selectAllAccessibleSelection.

Normally causes every selected item in the object to be selected if the object supports multiple selections. This method makes no sense in a menu bar, and so does nothing.

public Class JMenuBar

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protected Class JMenuBar.AccessibleJMenuBar

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