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/OpenJDK 21

Class 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:

Nested Class Summary

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

Field Summary

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

Constructor Summary

Modifier Constructor Description
protected
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.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:

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:

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

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/java/awt/Container.AccessibleAWTContainer.html