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

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javax.swing
Class JMenuBar.AccessibleJMenuBar

java.lang.Object
  |
  +--javax.accessibility.AccessibleContext
        |
        +--javax.swing.JComponent.AccessibleJComponent
              |
              +--javax.swing.JMenuBar.AccessibleJMenuBar
Enclosing class:
JMenuBar
protected class JMenuBar.AccessibleJMenuBar
extends JComponent.AccessibleJComponent
implements AccessibleSelection

The class used to obtain the accessible role for this object.

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. A future release of Swing will provide support for long term persistence.

See Also:
Serialized Form

Inner classes inherited from class javax.swing.JComponent.AccessibleJComponent
JComponent.AccessibleJComponent.AccessibleContainerHandler
 
Fields inherited from class javax.swing.JComponent.AccessibleJComponent
accessibleContainerHandler
 
Fields inherited from class javax.accessibility.AccessibleContext
ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY, ACCESSIBLE_CARET_PROPERTY, ACCESSIBLE_CHILD_PROPERTY, ACCESSIBLE_DESCRIPTION_PROPERTY, ACCESSIBLE_NAME_PROPERTY, ACCESSIBLE_SELECTION_PROPERTY, ACCESSIBLE_STATE_PROPERTY, ACCESSIBLE_TEXT_PROPERTY, ACCESSIBLE_VALUE_PROPERTY, ACCESSIBLE_VISIBLE_DATA_PROPERTY, accessibleDescription, accessibleName, accessibleParent
 
Constructor Summary
protected JMenuBar.AccessibleJMenuBar()
           
 
Method Summary
 void addAccessibleSelection(int i)
          Selects the nth menu in the menu bar, forcing it to pop up.
 void clearAccessibleSelection()
          Clears the selection in the object, so that nothing in the object is selected.
 AccessibleRole getAccessibleRole()
          Get the role of this object.
 AccessibleSelection getAccessibleSelection()
          Get the AccessibleSelection associated with this object if one exists.
 Accessible getAccessibleSelection(int i)
          Returns the currently selected menu if one is selected, otherwise null.
 int getAccessibleSelectionCount()
          Returns 1 if a menu is currently selected in this menu bar.
 AccessibleStateSet getAccessibleStateSet()
          Get the accessible state set of this object.
 boolean isAccessibleChildSelected(int i)
          Returns true if the current child of this object is selected.
 void removeAccessibleSelection(int i)
          Removes the nth selected item in the object from the object's selection.
 void selectAllAccessibleSelection()
          Normally causes every selected item in the object to be selected if the object supports multiple selections.
 
Methods inherited from class javax.swing.JComponent.AccessibleJComponent
addFocusListener, addPropertyChangeListener, contains, getAccessibleAt, getAccessibleChild, getAccessibleChildrenCount, getAccessibleComponent, getAccessibleDescription, getAccessibleIndexInParent, getAccessibleName, getAccessibleParent, getBackground, getBorderTitle, getBounds, getCursor, getFont, getFontMetrics, getForeground, getLocale, getLocation, getLocationOnScreen, getSize, isEnabled, isFocusTraversable, isShowing, isVisible, removeFocusListener, removePropertyChangeListener, requestFocus, setBackground, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible
 
Methods inherited from class javax.accessibility.AccessibleContext
firePropertyChange, getAccessibleAction, getAccessibleText, getAccessibleValue, setAccessibleDescription, setAccessibleName, setAccessibleParent
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

JMenuBar.AccessibleJMenuBar

protected JMenuBar.AccessibleJMenuBar()
Method Detail

getAccessibleStateSet

public AccessibleStateSet getAccessibleStateSet()
Get the accessible state set of this object.
Overrides:
getAccessibleStateSet in class JComponent.AccessibleJComponent
Returns:
an instance of AccessibleState containing the current state of the object

getAccessibleRole

public AccessibleRole getAccessibleRole()
Get the role of this object.
Overrides:
getAccessibleRole in class JComponent.AccessibleJComponent
Returns:
an instance of AccessibleRole describing the role of the object

getAccessibleSelection

public AccessibleSelection getAccessibleSelection()
Get the AccessibleSelection associated with this object if one exists. Otherwise return null.
Overrides:
getAccessibleSelection in class AccessibleContext
Tags copied from class: AccessibleContext
Returns:
AccessibleSelection if supported by object; else return null
See Also:
AccessibleSelection

getAccessibleSelectionCount

public int getAccessibleSelectionCount()
Returns 1 if a menu is currently selected in this menu bar.
Specified by:
getAccessibleSelectionCount in interface AccessibleSelection
Returns:
1 if a menu is currently selected, else 0

getAccessibleSelection

public Accessible getAccessibleSelection(int i)
Returns the currently selected menu if one is selected, otherwise null.
Specified by:
getAccessibleSelection in interface AccessibleSelection
Tags copied from interface: AccessibleSelection
Parameters:
i - the zero-based index of selected children
Returns:
the i-th selected child
See Also:
AccessibleSelection.getAccessibleSelectionCount()

isAccessibleChildSelected

public boolean isAccessibleChildSelected(int i)
Returns true if the current child of this object is selected.
Specified by:
isAccessibleChildSelected in interface AccessibleSelection
Parameters:
i - the zero-based index of the child in this Accessible object.
See Also:
AccessibleContext.getAccessibleChild(int)

addAccessibleSelection

public void addAccessibleSelection(int i)
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.
Specified by:
addAccessibleSelection in interface AccessibleSelection
Parameters:
i - the zero-based index of selectable items
See Also:
getAccessibleStateSet()

removeAccessibleSelection

public void removeAccessibleSelection(int i)
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.
Specified by:
removeAccessibleSelection in interface AccessibleSelection
Parameters:
i - the zero-based index of selectable items

clearAccessibleSelection

public void clearAccessibleSelection()
Clears the selection in the object, so that nothing in the object is selected. This will close any open menu.
Specified by:
clearAccessibleSelection in interface AccessibleSelection

selectAllAccessibleSelection

public void 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.
Specified by:
selectAllAccessibleSelection in interface AccessibleSelection
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