javax.swing

Class JList.AccessibleJList

java.lang.Object

javax.accessibility.AccessibleContext

javax.swing.JComponent.AccessibleJComponent

javax.swing.JList.AccessibleJList

All Implemented Interfaces:

java.beans.PropertyChangeListener, java.io.Serializable, java.util.EventListener, javax.accessibility.AccessibleComponent, javax.accessibility.AccessibleExtendedComponent, javax.accessibility.AccessibleSelection, javax.swing.event.ListDataListener, javax.swing.event.ListSelectionListener

Enclosing class:

JList

protected class JList.AccessibleJList
extends JComponent.AccessibleJComponent
implements javax.accessibility.AccessibleSelection, java.beans.PropertyChangeListener, javax.swing.event.ListSelectionListener, javax.swing.event.ListDataListener

Provides accessibility support for JList.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	JList.AccessibleJList.AccessibleJListChild Provides accessibility support for list elements in JLists.

Nested classes/interfaces inherited from class javax.swing.JComponent.AccessibleJComponent

JComponent.AccessibleJComponent.AccessibleContainerHandler, JComponent.AccessibleJComponent.AccessibleFocusHandler

Field Summary

Fields inherited from class javax.swing.JComponent.AccessibleJComponent

accessibleContainerHandler, accessibleFocusHandler

Fields inherited from 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

Constructor and Description
JList.AccessibleJList() Create a new AccessibleJList.

Method Summary

Methods

Modifier and Type	Method and Description
void	addAccessibleSelection(int i) Adds the accessible item with the specified index to the selected items.
void	clearAccessibleSelection() Remove all selection items from the selection.
void	contentsChanged(javax.swing.event.ListDataEvent event) Receives notification when items have changed in the JList.
javax.accessibility.Accessible	getAccessibleAt(java.awt.Point p) Returns the accessible child at the visual location p (relative to the upper left corner of the JList).
javax.accessibility.Accessible	getAccessibleChild(int n) Returns the n-th accessible child of this JList.
int	getAccessibleChildrenCount() Returns the number of accessible children in the JList.
javax.accessibility.AccessibleRole	getAccessibleRole() Returns the accessible role for JList, AccessibleRole.LIST.
javax.accessibility.Accessible	getAccessibleSelection(int n) Returns the n-th selected accessible child.
int	getAccessibleSelectionCount() Returns the number of selected accessible children.
javax.accessibility.AccessibleStateSet	getAccessibleStateSet() Return the state set of the JList.
void	intervalAdded(javax.swing.event.ListDataEvent event) Receives notification when items are inserted into the JList.
void	intervalRemoved(javax.swing.event.ListDataEvent event) Receives notification when items are removed from the JList.
boolean	isAccessibleChildSelected(int n) Returns true if the n-th child is selected, false otherwise.
void	propertyChange(java.beans.PropertyChangeEvent e) Receives notification about changes of the JList's properties.
void	removeAccessibleSelection(int i) Removes the accessible item with the specified index to the selection.
void	selectAllAccessibleSelection() Selects all items if multiple selections are supported.
void	valueChanged(javax.swing.event.ListSelectionEvent event) Receices notification when the list selection is changed.

Methods inherited from class javax.swing.JComponent.AccessibleJComponent

addPropertyChangeListener, getAccessibleDescription, getAccessibleKeyBinding, getAccessibleName, getBorderTitle, getTitledBorderText, getToolTipText, removePropertyChangeListener

Methods inherited from class javax.accessibility.AccessibleContext

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.accessibility.AccessibleComponent

addFocusListener, contains, getBackground, getBounds, getCursor, getFont, getFontMetrics, getForeground, getLocation, getLocationOnScreen, getSize, isEnabled, isFocusTraversable, isShowing, isVisible, removeFocusListener, requestFocus, setBackground, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible

Constructor Detail

JList.AccessibleJList

public JList.AccessibleJList()

Create a new AccessibleJList.

Method Detail

getAccessibleSelectionCount

public int getAccessibleSelectionCount()

Returns the number of selected accessible children.

Specified by:

getAccessibleSelectionCount in interface javax.accessibility.AccessibleSelection

Returns:

the number of selected accessible children

getAccessibleSelection

public javax.accessibility.Accessible getAccessibleSelection(int n)

Returns the n-th selected accessible child.

Specified by:

getAccessibleSelection in interface javax.accessibility.AccessibleSelection

Parameters:

n - the index of the selected child to return

Returns:

the n-th selected accessible child

See Also:

AccessibleSelection.getAccessibleSelectionCount()

isAccessibleChildSelected

public boolean isAccessibleChildSelected(int n)

Returns true if the n-th child is selected, false otherwise.

Specified by:

isAccessibleChildSelected in interface javax.accessibility.AccessibleSelection

Parameters:

n - the index of the child of which the selected state is queried

Returns:

true if the n-th child is selected, false otherwise

addAccessibleSelection

public void addAccessibleSelection(int i)

Adds the accessible item with the specified index to the selected items. If multiple selections are supported, the item is added to the selection, otherwise the item replaces the current selection.

Specified by:

addAccessibleSelection in interface javax.accessibility.AccessibleSelection

Parameters:

i - the index of the item to add to the selection

removeAccessibleSelection

public void removeAccessibleSelection(int i)

Removes the accessible item with the specified index to the selection.

Specified by:

removeAccessibleSelection in interface javax.accessibility.AccessibleSelection

Parameters:

i - the index of the item to be removed from the selection

clearAccessibleSelection

public void clearAccessibleSelection()

Remove all selection items from the selection.

Specified by:

clearAccessibleSelection in interface javax.accessibility.AccessibleSelection

selectAllAccessibleSelection

public void selectAllAccessibleSelection()

Selects all items if multiple selections are supported. Otherwise do nothing.

Specified by:

selectAllAccessibleSelection in interface javax.accessibility.AccessibleSelection

valueChanged

public void valueChanged(javax.swing.event.ListSelectionEvent event)

Receices notification when the list selection is changed. This method fires two property change events, the first with AccessibleContext.ACCESSIBLE_VISIBLE_DATA_PROPERTY and the second with AccessibleContext.ACCESSIBLE_SELECTION_PROPERTY.

Specified by:

valueChanged in interface javax.swing.event.ListSelectionListener

Parameters:

event - the list selection event

contentsChanged

public void contentsChanged(javax.swing.event.ListDataEvent event)

Receives notification when items have changed in the JList. This method fires a property change event with AccessibleContext.ACCESSIBLE_VISIBLE_DATA_PROPERTY.

Specified by:

contentsChanged in interface javax.swing.event.ListDataListener

Parameters:

event - the list data event

intervalAdded

public void intervalAdded(javax.swing.event.ListDataEvent event)

Receives notification when items are inserted into the JList. This method fires a property change event with AccessibleContext.ACCESSIBLE_VISIBLE_DATA_PROPERTY.

Specified by:

intervalAdded in interface javax.swing.event.ListDataListener

Parameters:

event - the list data event

intervalRemoved

public void intervalRemoved(javax.swing.event.ListDataEvent event)

Receives notification when items are removed from the JList. This method fires a property change event with AccessibleContext.ACCESSIBLE_VISIBLE_DATA_PROPERTY.

Specified by:

intervalRemoved in interface javax.swing.event.ListDataListener

Parameters:

event - the list data event

propertyChange

public void propertyChange(java.beans.PropertyChangeEvent e)

Receives notification about changes of the JList's properties. This is used to re-register this object as listener to the data model and selection model when the data model or selection model changes.

Specified by:

propertyChange in interface java.beans.PropertyChangeListener

Parameters:

e - the property change event

getAccessibleStateSet

public javax.accessibility.AccessibleStateSet getAccessibleStateSet()

Return the state set of the JList.

Overrides:

getAccessibleStateSet in class JComponent.AccessibleJComponent

Returns:

the state set of the JList

See Also:

AccessibleState

getAccessibleRole

public javax.accessibility.AccessibleRole getAccessibleRole()

Returns the accessible role for JList, AccessibleRole.LIST.

Overrides:

getAccessibleRole in class JComponent.AccessibleJComponent

Returns:

the accessible role for JList

See Also:

AccessibleRole

getAccessibleAt

public javax.accessibility.Accessible getAccessibleAt(java.awt.Point p)

Returns the accessible child at the visual location p (relative to the upper left corner of the JList). If there is no child at that location, this returns null.

Specified by:

getAccessibleAt in interface javax.accessibility.AccessibleComponent

Parameters:

p - the screen location for which to return the accessible child

Returns:

the accessible child at the specified location, or null if there is no child at that location

getAccessibleChildrenCount

public int getAccessibleChildrenCount()

Returns the number of accessible children in the JList.

Overrides:

getAccessibleChildrenCount in class JComponent.AccessibleJComponent

Returns:

the number of accessible children in the JList

See Also:

AccessibleContext.getAccessibleChild(int)

getAccessibleChild

public javax.accessibility.Accessible getAccessibleChild(int n)

Returns the n-th accessible child of this JList. This will be an instance of JList.AccessibleJList.AccessibleJListChild. If there is no child at that index, null is returned.

Overrides:

getAccessibleChild in class JComponent.AccessibleJComponent

Parameters:

n - the index of the child to return

Returns:

the n-th accessible child of this JList

See Also:

getAccessibleChildrenCount()