# Class CheckboxMenuItem.AccessibleAWTCheckboxMenuItem

java.lang.Object
javax.accessibility.AccessibleContext
java.awt.MenuComponent.AccessibleAWTMenuComponent
java.awt.MenuItem.AccessibleAWTMenuItem
java.awt.CheckboxMenuItem.AccessibleAWTCheckboxMenuItem

All Implemented Interfaces:
  `Serializable, AccessibleAction, AccessibleComponent, AccessibleSelection, AccessibleValue`

Enclosing class:
  `CheckboxMenuItem`

protected class CheckboxMenuItem.AccessibleAWTCheckboxMenuItem extends MenuItem.AccessibleAWTMenuItem implements AccessibleAction, AccessibleValue
Inner class of CheckboxMenuItem used to provide default support for accessibility. This class is not meant to be used directly by application developers, but is instead meant only to be subclassed by menu component developers.

This class implements accessibility support for the `CheckboxMenuItem` class. It provides an implementation of the Java Accessibility API appropriate to checkbox menu item user-interface elements.

Since:
  1.3
See Also:
  - Serialized Form

- ## Field Summary

  ### Fields declared in class AccessibleContext

  `ACCESSIBLE_ACTION_PROPERTY, ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY, ACCESSIBLE_CARET_PROPERTY, ACCESSIBLE_CHILD_PROPERTY, ACCESSIBLE_COMPONENT_BOUNDS_CHANGED, ACCESSIBLE_DESCRIPTION_PROPERTY, ACCESSIBLE_HYPERTEXT_OFFSET, ACCESSIBLE_INVALIDATE_CHILDREN, ACCESSIBLE_NAME_PROPERTY, ACCESSIBLE_SELECTION_PROPERTY, ACCESSIBLE_STATE_PROPERTY, ACCESSIBLE_TABLE_CAPTION_CHANGED, ACCESSIBLE_TABLE_COLUMN_DESCRIPTION_CHANGED, ACCESSIBLE_TABLE_COLUMN_HEADER_CHANGED, ACCESSIBLE_TABLE_MODEL_CHANGED, ACCESSIBLE_TABLE_ROW_DESCRIPTION_CHANGED, ACCESSIBLE_TABLE_ROW_HEADER_CHANGED, ACCESSIBLE_TABLE_SUMMARY_CHANGED, ACCESSIBLE_TEXT_ATTRIBUTES_CHANGED, ACCESSIBLE_TEXT_PROPERTY, ACCESSIBLE_VALUE_PROPERTY, ACCESSIBLE_VISIBLE_DATA_PROPERTY, accessibleDescription, accessibleName, accessibleParent`

  ### Fields declared in interface AccessibleAction

  `CLICK, DECREMENT, INCREMENT, TOGGLE_EXPAND, TOGGLE_POPUP`

- ## Constructor Summary

  Constructors
  Modifier
  Constructor
  Description
  `protected`
  `AccessibleAWTCheckboxMenuItem()`
  Constructs an `AccessibleAWTCheckboxMenuItem`.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `boolean`
  `doAccessibleAction(int i)`
  Perform the specified Action on the object
  `AccessibleAction`
  `getAccessibleAction()`
  Get the AccessibleAction associated with this object.
  `int`
  `getAccessibleActionCount()`
  Returns the number of Actions available in this object.
  `String`
  `getAccessibleActionDescription(int i)`
  Return a description of the specified action of the object.
  `AccessibleRole`
  `getAccessibleRole()`
  Get the role of this object.
  `AccessibleValue`
  `getAccessibleValue()`
  Get the AccessibleValue associated with this object.
  `Number`
  `getCurrentAccessibleValue()`
  Get the value of this object as a Number.
  `Number`
  `getMaximumAccessibleValue()`
  Get the maximum value of this object as a Number.
  `Number`
  `getMinimumAccessibleValue()`
  Get the minimum value of this object as a Number.
  `boolean`
  `setCurrentAccessibleValue(Number n)`
  Set the value of this object as a Number.

  ### Methods declared in class MenuItem.AccessibleAWTMenuItem

  `getAccessibleName`

  ### Methods declared in class MenuComponent.AccessibleAWTMenuComponent

  `addAccessibleSelection, addFocusListener, clearAccessibleSelection, contains, getAccessibleAt, getAccessibleChild, getAccessibleChildrenCount, getAccessibleComponent, getAccessibleDescription, getAccessibleIndexInParent, getAccessibleParent, getAccessibleSelection, getAccessibleSelection, getAccessibleSelectionCount, getAccessibleStateSet, getBackground, getBounds, getCursor, getFont, getFontMetrics, getForeground, getLocale, getLocation, getLocationOnScreen, getSize, isAccessibleChildSelected, isEnabled, isFocusTraversable, isShowing, isVisible, removeAccessibleSelection, removeFocusListener, requestFocus, selectAllAccessibleSelection, setBackground, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible`

  ### Methods declared in class AccessibleContext

  `addPropertyChangeListener, firePropertyChange, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleTable, getAccessibleText, removePropertyChangeListener, setAccessibleDescription, setAccessibleName, setAccessibleParent`

  ### Methods declared in class Object

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

- ## Constructor Details

  - ### AccessibleAWTCheckboxMenuItem

    protected AccessibleAWTCheckboxMenuItem()
    Constructs an `AccessibleAWTCheckboxMenuItem`.

- ## Method Details

  - ### getAccessibleAction

    public AccessibleAction getAccessibleAction()
    Get the AccessibleAction associated with this object. In the implementation of the Java Accessibility API for this class, return this object, which is responsible for implementing the AccessibleAction interface on behalf of itself.
    Overrides:
      `getAccessibleAction` in class `MenuItem.AccessibleAWTMenuItem`
    Returns:
      this object
    See Also:
      - `AccessibleAction`

  - ### getAccessibleValue

    public AccessibleValue getAccessibleValue()
    Get the AccessibleValue associated with this object. In the implementation of the Java Accessibility API for this class, return this object, which is responsible for implementing the AccessibleValue interface on behalf of itself.
    Overrides:
      `getAccessibleValue` in class `MenuItem.AccessibleAWTMenuItem`
    Returns:
      this object
    See Also:
      - `AccessibleValue`

  - ### getAccessibleActionCount

    public int getAccessibleActionCount()
    Returns the number of Actions available in this object. If there is more than one, the first one is the "default" action.
    Specified by:
      `getAccessibleActionCount` in interface `AccessibleAction`
    Overrides:
      `getAccessibleActionCount` in class `MenuItem.AccessibleAWTMenuItem`
    Returns:
      the number of Actions in this object

  - ### getAccessibleActionDescription

    public String getAccessibleActionDescription(int i)
    Return a description of the specified action of the object.
    Specified by:
      `getAccessibleActionDescription` in interface `AccessibleAction`
    Overrides:
      `getAccessibleActionDescription` in class `MenuItem.AccessibleAWTMenuItem`
    Parameters:
      `i` - zero-based index of the actions
    Returns:
      a `String` description of the action
    See Also:
      - `AccessibleAction.getAccessibleActionCount()`

  - ### doAccessibleAction

    public boolean doAccessibleAction(int i)
    Perform the specified Action on the object
    Specified by:
      `doAccessibleAction` in interface `AccessibleAction`
    Overrides:
      `doAccessibleAction` in class `MenuItem.AccessibleAWTMenuItem`
    Parameters:
      `i` - zero-based index of actions
    Returns:
      true if the action was performed; otherwise false.
    See Also:
      - `AccessibleAction.getAccessibleActionCount()`

  - ### getCurrentAccessibleValue

    public Number getCurrentAccessibleValue()
    Get the value of this object as a Number. If the value has not been set, the return value will be null.
    Specified by:
      `getCurrentAccessibleValue` in interface `AccessibleValue`
    Overrides:
      `getCurrentAccessibleValue` in class `MenuItem.AccessibleAWTMenuItem`
    Returns:
      value of the object
    See Also:
      - `setCurrentAccessibleValue(Number)`

  - ### setCurrentAccessibleValue

    public boolean setCurrentAccessibleValue(Number n)
    Set the value of this object as a Number.
    Specified by:
      `setCurrentAccessibleValue` in interface `AccessibleValue`
    Overrides:
      `setCurrentAccessibleValue` in class `MenuItem.AccessibleAWTMenuItem`
    Parameters:
      `n` - the number to use for the value
    Returns:
      true if the value was set; otherwise false
    See Also:
      - `getCurrentAccessibleValue()`

  - ### getMinimumAccessibleValue

    public Number getMinimumAccessibleValue()
    Get the minimum value of this object as a Number.
    Specified by:
      `getMinimumAccessibleValue` in interface `AccessibleValue`
    Overrides:
      `getMinimumAccessibleValue` in class `MenuItem.AccessibleAWTMenuItem`
    Returns:
      Minimum value of the object; null if this object does not have a minimum value
    See Also:
      - `getMaximumAccessibleValue()`

  - ### getMaximumAccessibleValue

    public Number getMaximumAccessibleValue()
    Get the maximum value of this object as a Number.
    Specified by:
      `getMaximumAccessibleValue` in interface `AccessibleValue`
    Overrides:
      `getMaximumAccessibleValue` in class `MenuItem.AccessibleAWTMenuItem`
    Returns:
      Maximum value of the object; null if this object does not have a maximum value
    See Also:
      - `getMinimumAccessibleValue()`

  - ### getAccessibleRole

    public AccessibleRole getAccessibleRole()
    Get the role of this object.
    Overrides:
      `getAccessibleRole` in class `MenuItem.AccessibleAWTMenuItem`
    Returns:
      an instance of AccessibleRole describing the role of the object
    See Also:
      - `AccessibleRole`