Module java.desktop
Package java.awt

# Class Container.AccessibleAWTContainer

java.lang.Object
javax.accessibility.AccessibleContext
java.awt.Component.AccessibleAWTComponent
java.awt.Container.AccessibleAWTContainer

All Implemented Interfaces:
  `Serializable`, `AccessibleComponent`

Direct Known Subclasses:
  `Box.AccessibleBox`, `CellRendererPane.AccessibleCellRendererPane`, `JComponent.AccessibleJComponent`, `Panel.AccessibleAWTPanel`, `ScrollPane.AccessibleAWTScrollPane`, `Window.AccessibleAWTWindow`

Enclosing class:
  Container

protected class Container.AccessibleAWTContainer extends Component.AccessibleAWTComponent
Inner class of Container 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 container developers.

The class used to obtain the accessible role for this object, as well as implementing many of the methods in the AccessibleContainer interface.

Since:
  1.3
See Also:
  - Serialized Form

- ## Nested Class Summary

  Nested Classes
  Modifier and Type
  Class
  Description
  `protected class`
  `Container.AccessibleAWTContainer.AccessibleContainerHandler`
  Fire `PropertyChange` listener, if one is registered, when children are added or removed.

  ## Nested classes/interfaces declared in class java.awt.Component.AccessibleAWTComponent

  `Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler`

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `protected ContainerListener`
  `accessibleContainerHandler`
  The handler to fire `PropertyChange` when children are added or removed

  ### Fields declared in class java.awt.Component.AccessibleAWTComponent

  `accessibleAWTComponentHandler, accessibleAWTFocusHandler`

  ### Fields declared in class javax.accessibility.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`

- ## Constructor Summary

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

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `addPropertyChangeListener(PropertyChangeListener listener)`
  Adds a PropertyChangeListener to the listener list.
  `Accessible`
  `getAccessibleAt(Point p)`
  Returns the `Accessible` child, if one exists, contained at the local coordinate `Point`.
  `Accessible`
  `getAccessibleChild(int i)`
  Returns the nth `Accessible` child of the object.
  `int`
  `getAccessibleChildrenCount()`
  Returns the number of accessible children in the object.
  `void`
  `removePropertyChangeListener(PropertyChangeListener listener)`
  Remove a PropertyChangeListener from the listener list.

  ### Methods declared in class java.awt.Component.AccessibleAWTComponent

  `addFocusListener, contains, getAccessibleComponent, getAccessibleDescription, getAccessibleIndexInParent, getAccessibleName, getAccessibleParent, getAccessibleRole, getAccessibleStateSet, getBackground, getBounds, getCursor, getFont, getFontMetrics, getForeground, getLocale, getLocation, getLocationOnScreen, getSize, isEnabled, isFocusTraversable, isShowing, isVisible, removeFocusListener, requestFocus, setBackground, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible`

  ### Methods declared in class javax.accessibility.AccessibleContext

  `firePropertyChange, getAccessibleAction, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleSelection, getAccessibleTable, getAccessibleText, getAccessibleValue, setAccessibleDescription, setAccessibleName, setAccessibleParent`

  ### Methods declared in class java.lang.Object

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

- ## Field Details

  - ### accessibleContainerHandler

    protected ContainerListener accessibleContainerHandler
    The handler to fire `PropertyChange` when children are added or removed

- ## Constructor Details

  - ### AccessibleAWTContainer

    protected AccessibleAWTContainer()
    Constructs an `AccessibleAWTContainer`.

- ## Method Details

  - ### getAccessibleChildrenCount

    public int getAccessibleChildrenCount()
    Returns the number of accessible children in the object. If all of the children of this object implement `Accessible`, then this method should return the number of children of this object.
    Overrides:
      `getAccessibleChildrenCount` in class `Component.AccessibleAWTComponent`
    Returns:
      the number of accessible children in the object

  - ### getAccessibleChild

    public Accessible getAccessibleChild(int i)
    Returns the nth `Accessible` child of the object.
    Overrides:
      `getAccessibleChild` in class `Component.AccessibleAWTComponent`
    Parameters:
      `i` - zero-based index of child
    Returns:
      the nth `Accessible` child of the object
    See Also:
      - `AccessibleContext.getAccessibleChildrenCount()`

  - ### getAccessibleAt

    public Accessible getAccessibleAt(Point p)
    Returns the `Accessible` child, if one exists, contained at the local coordinate `Point`.
    Specified by:
      `getAccessibleAt` in interface `AccessibleComponent`
    Overrides:
      `getAccessibleAt` in class `Component.AccessibleAWTComponent`
    Parameters:
      `p` - the point defining the top-left corner of the `Accessible`, given in the coordinate space of the object's parent
    Returns:
      the `Accessible`, if it exists, at the specified location; else `null`

  - ### addPropertyChangeListener

    public void addPropertyChangeListener(PropertyChangeListener listener)
    Adds a PropertyChangeListener to the listener list.
    Overrides:
      `addPropertyChangeListener` in class `Component.AccessibleAWTComponent`
    Parameters:
      `listener` - the PropertyChangeListener to be added
    See Also:
      - `AccessibleContext.ACCESSIBLE_NAME_PROPERTY`
      - `AccessibleContext.ACCESSIBLE_DESCRIPTION_PROPERTY`
      - `AccessibleContext.ACCESSIBLE_STATE_PROPERTY`
      - `AccessibleContext.ACCESSIBLE_VALUE_PROPERTY`
      - `AccessibleContext.ACCESSIBLE_SELECTION_PROPERTY`
      - `AccessibleContext.ACCESSIBLE_TEXT_PROPERTY`
      - `AccessibleContext.ACCESSIBLE_VISIBLE_DATA_PROPERTY`

  - ### removePropertyChangeListener

    public void removePropertyChangeListener(PropertyChangeListener listener)
    Remove a PropertyChangeListener from the listener list. This removes a PropertyChangeListener that was registered for all properties.
    Overrides:
      `removePropertyChangeListener` in class `Component.AccessibleAWTComponent`
    Parameters:
      `listener` - the PropertyChangeListener to be removed