javax.swing
Class JTree.AccessibleJTree.AccessibleJTreeNode

java.lang.Object
  javax.accessibility.AccessibleContext
      javax.swing.JTree.AccessibleJTree.AccessibleJTreeNode

All Implemented Interfaces:

javax.accessibility.Accessible, javax.accessibility.AccessibleAction, javax.accessibility.AccessibleComponent, javax.accessibility.AccessibleSelection

Enclosing class:

JTree.AccessibleJTree

protected class JTree.AccessibleJTree.AccessibleJTreeNode

extends javax.accessibility.AccessibleContext

implements javax.accessibility.Accessible, javax.accessibility.AccessibleComponent, javax.accessibility.AccessibleSelection, javax.accessibility.AccessibleAction

This class implements accessibility support for the JTree child. It provides an implementation of the Java Accessibility API appropriate to tree nodes.

Field Summary

private javax.accessibility.Accessible	accessibleParent
private int	index
private boolean	isLeaf
private Object	obj
private TreePath	path
private JTree	tree
private TreeModel	treeModel

Fields inherited from class javax.accessibility.AccessibleContext

ACCESSIBLE_ACTION_PROPERTY, ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY, ACCESSIBLE_CARET_PROPERTY, ACCESSIBLE_CHILD_PROPERTY, ACCESSIBLE_DESCRIPTION_PROPERTY, ACCESSIBLE_HYPERTEXT_OFFSET, 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_PROPERTY, ACCESSIBLE_VALUE_PROPERTY, ACCESSIBLE_VISIBLE_DATA_PROPERTY, accessibleDescription, accessibleName

Constructor Summary

JTree.AccessibleJTree.AccessibleJTreeNode(JTree t, TreePath p, javax.accessibility.Accessible ap)
Constructs an AccessibleJTreeNode

Method Summary

void	addAccessibleSelection(int i) Adds the specified selected item in the object to the object's selection.
void	addFocusListener(FocusListener l)
void	addPropertyChangeListener(java.beans.PropertyChangeListener l) Add a PropertyChangeListener to the listener list.
void	clearAccessibleSelection() Clears the selection in the object, so that nothing in the object is selected.
boolean	contains(Point p)
boolean	doAccessibleAction(int i) Perform the specified Action on the tree node.
javax.accessibility.AccessibleAction	getAccessibleAction() Get the AccessibleAction associated with this object.
int	getAccessibleActionCount() Returns the number of accessible actions available in this tree node.
String	getAccessibleActionDescription(int i) Return a description of the specified action of the tree node.
javax.accessibility.Accessible	getAccessibleAt(Point p) Returns the Accessible child, if one exists, contained at the local coordinate Point.
javax.accessibility.Accessible	getAccessibleChild(int i) Return the specified Accessible child of the object.
int	getAccessibleChildrenCount() Returns the number of accessible children in the object.
javax.accessibility.AccessibleComponent	getAccessibleComponent() Get the AccessibleComponent associated with this object.
javax.accessibility.AccessibleContext	getAccessibleContext() Get the AccessibleContext associated with this tree node.
String	getAccessibleDescription() Get the accessible description of this object.
int	getAccessibleIndexInParent() Get the index of this object in its accessible parent.
String	getAccessibleName() Get the accessible name of this object.
javax.accessibility.Accessible	getAccessibleParent() Get the Accessible parent of this object.
javax.accessibility.AccessibleRole	getAccessibleRole() Get the role of this object.
javax.accessibility.AccessibleSelection	getAccessibleSelection() Get the AccessibleSelection associated with this object if one exists.
javax.accessibility.Accessible	getAccessibleSelection(int i) Returns an Accessible representing the specified selected item in the object.
int	getAccessibleSelectionCount() Returns the number of items currently selected.
javax.accessibility.AccessibleStateSet	getAccessibleStateSet() Get the state set of this object.
javax.accessibility.AccessibleText	getAccessibleText() Get the AccessibleText associated with this object if one exists.
javax.accessibility.AccessibleValue	getAccessibleValue() Get the AccessibleValue associated with this object if one exists.
Color	getBackground() Get the background color of this object.
Rectangle	getBounds()
private TreePath	getChildTreePath(int i)
private javax.accessibility.AccessibleContext	getCurrentAccessibleContext()
private Component	getCurrentComponent()
Cursor	getCursor()
Font	getFont()
FontMetrics	getFontMetrics(Font f)
Color	getForeground() Get the foreground color of this object.
Locale	getLocale() Gets the locale of the component.
Point	getLocation()
protected Point	getLocationInJTree()
Point	getLocationOnScreen()
Dimension	getSize()
boolean	isAccessibleChildSelected(int i) Returns true if the current child of this object is selected.
boolean	isEnabled()
boolean	isFocusTraversable()
boolean	isShowing()
boolean	isVisible()
void	removeAccessibleSelection(int i) Removes the specified selected item in the object from the object's selection.
void	removeFocusListener(FocusListener l)
void	removePropertyChangeListener(java.beans.PropertyChangeListener l) Remove a PropertyChangeListener from the listener list.
void	requestFocus()
void	selectAllAccessibleSelection() Causes every selected item in the object to be selected if the object supports multiple selections.
void	setAccessibleDescription(String s) Set the accessible description of this object.
void	setAccessibleName(String s) Set the localized accessible name of this object.
void	setBackground(Color c) Set the background color of this object.
void	setBounds(Rectangle r)
void	setCursor(Cursor c)
void	setEnabled(boolean b)
void	setFont(Font f)
void	setForeground(Color c)
void	setLocation(Point p)
void	setSize(Dimension d)
void	setVisible(boolean b)

Methods inherited from class javax.accessibility.AccessibleContext

firePropertyChange, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleTable, setAccessibleParent

Methods inherited from class java.lang.Object

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

Field Detail

tree

private JTree tree

treeModel

private TreeModel treeModel

obj

private Object obj

path

private TreePath path

accessibleParent

private javax.accessibility.Accessible accessibleParent

index

private int index

isLeaf

private boolean isLeaf

Constructor Detail

JTree.AccessibleJTree.AccessibleJTreeNode

public JTree.AccessibleJTree.AccessibleJTreeNode(JTree t,
                                                 TreePath p,
                                                 javax.accessibility.Accessible ap)

Constructs an AccessibleJTreeNode

Method Detail

getChildTreePath

private TreePath getChildTreePath(int i)

getAccessibleContext

public javax.accessibility.AccessibleContext getAccessibleContext()

Get the AccessibleContext associated with this tree node. In the implementation of the Java Accessibility API for this class, return this object, which is its own AccessibleContext.

Specified by:

getAccessibleContext in interface javax.accessibility.Accessible

Returns:

this object

getCurrentAccessibleContext

private javax.accessibility.AccessibleContext getCurrentAccessibleContext()

getCurrentComponent

private Component getCurrentComponent()

getAccessibleName

public String getAccessibleName()

Get the accessible name of this object.

Returns:

the localized name of the object; null if this object does not have a name

setAccessibleName

public void setAccessibleName(String s)

Set the localized accessible name of this object.

Parameters:

s - the new localized name of the object.

getAccessibleDescription

public String getAccessibleDescription()

Get the accessible description of this object.

Returns:

the localized description of the object; null if this object does not have a description

setAccessibleDescription

public void setAccessibleDescription(String s)

Set the accessible description of this object.

Parameters:

s - the new localized description of the object

getAccessibleRole

public javax.accessibility.AccessibleRole getAccessibleRole()

Get the role of this object.

Returns:

an instance of AccessibleRole describing the role of the object

See Also:

AccessibleRole

getAccessibleStateSet

public javax.accessibility.AccessibleStateSet getAccessibleStateSet()

Get the state set of this object.

Returns:

an instance of AccessibleStateSet containing the current state set of the object

See Also:

AccessibleState

getAccessibleParent

public javax.accessibility.Accessible getAccessibleParent()

Get the Accessible parent of this object.

Returns:

the Accessible parent of this object; null if this object does not have an Accessible parent

getAccessibleIndexInParent

public int getAccessibleIndexInParent()

Get the index of this object in its accessible parent.

Returns:

the index of this object in its parent; -1 if this object does not have an accessible parent.

See Also:

getAccessibleParent()

getAccessibleChildrenCount

public int getAccessibleChildrenCount()

Returns the number of accessible children in the object.

Returns:

the number of accessible children in the object.

getAccessibleChild

public javax.accessibility.Accessible getAccessibleChild(int i)

Return the specified Accessible child of the object.

Parameters:

i - zero-based index of child

Returns:

the Accessible child of the object

getLocale

public Locale getLocale()

Gets the locale of the component. If the component does not have a locale, then the locale of its parent is returned.

Returns:

This component's locale. If this component does not have a locale, the locale of its parent is returned.

Throws:

IllegalComponentStateException - If the Component does not have its own locale and has not yet been added to a containment hierarchy such that the locale can be determined from the containing parent.

See Also:

Component.setLocale(java.util.Locale)

addPropertyChangeListener

public void addPropertyChangeListener(java.beans.PropertyChangeListener l)

Add a PropertyChangeListener to the listener list. The listener is registered for all properties.

Parameters:

l - The PropertyChangeListener to be added

removePropertyChangeListener

public void removePropertyChangeListener(java.beans.PropertyChangeListener l)

Remove a PropertyChangeListener from the listener list. This removes a PropertyChangeListener that was registered for all properties.

Parameters:

l - The PropertyChangeListener to be removed

getAccessibleAction

public javax.accessibility.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.

Returns:

this object

getAccessibleComponent

public javax.accessibility.AccessibleComponent getAccessibleComponent()

Get the AccessibleComponent associated with this object. In the implementation of the Java Accessibility API for this class, return this object, which is responsible for implementing the AccessibleComponent interface on behalf of itself.

Returns:

this object

getAccessibleSelection

public javax.accessibility.AccessibleSelection getAccessibleSelection()

Get the AccessibleSelection associated with this object if one exists. Otherwise return null.

Returns:

the AccessibleSelection, or null

getAccessibleText

public javax.accessibility.AccessibleText getAccessibleText()

Get the AccessibleText associated with this object if one exists. Otherwise return null.

Returns:

the AccessibleText, or null

getAccessibleValue

public javax.accessibility.AccessibleValue getAccessibleValue()

Get the AccessibleValue associated with this object if one exists. Otherwise return null.

Returns:

the AccessibleValue, or null

getBackground

public Color getBackground()

Get the background color of this object.

Specified by:

getBackground in interface javax.accessibility.AccessibleComponent

Returns:

the background color, if supported, of the object; otherwise, null

setBackground

public void setBackground(Color c)

Set the background color of this object.

Specified by:

setBackground in interface javax.accessibility.AccessibleComponent

Parameters:

c - the new Color for the background

getForeground

public Color getForeground()

Get the foreground color of this object.

Specified by:

getForeground in interface javax.accessibility.AccessibleComponent

Returns:

the foreground color, if supported, of the object; otherwise, null

setForeground

public void setForeground(Color c)

Specified by:

setForeground in interface javax.accessibility.AccessibleComponent

getCursor

public Cursor getCursor()

Specified by:

getCursor in interface javax.accessibility.AccessibleComponent

setCursor

public void setCursor(Cursor c)

Specified by:

setCursor in interface javax.accessibility.AccessibleComponent

getFont

public Font getFont()

Specified by:

getFont in interface javax.accessibility.AccessibleComponent

setFont

public void setFont(Font f)

Specified by:

setFont in interface javax.accessibility.AccessibleComponent

getFontMetrics

public FontMetrics getFontMetrics(Font f)

Specified by:

getFontMetrics in interface javax.accessibility.AccessibleComponent

isEnabled

public boolean isEnabled()

Specified by:

isEnabled in interface javax.accessibility.AccessibleComponent

setEnabled

public void setEnabled(boolean b)

Specified by:

setEnabled in interface javax.accessibility.AccessibleComponent

isVisible

public boolean isVisible()

Specified by:

isVisible in interface javax.accessibility.AccessibleComponent

setVisible

public void setVisible(boolean b)

Specified by:

setVisible in interface javax.accessibility.AccessibleComponent

isShowing

public boolean isShowing()

Specified by:

isShowing in interface javax.accessibility.AccessibleComponent

contains

public boolean contains(Point p)

Specified by:

contains in interface javax.accessibility.AccessibleComponent

getLocationOnScreen

public Point getLocationOnScreen()

Specified by:

getLocationOnScreen in interface javax.accessibility.AccessibleComponent

getLocationInJTree

protected Point getLocationInJTree()

getLocation

public Point getLocation()

Specified by:

getLocation in interface javax.accessibility.AccessibleComponent

setLocation

public void setLocation(Point p)

Specified by:

setLocation in interface javax.accessibility.AccessibleComponent

getBounds

public Rectangle getBounds()

Specified by:

getBounds in interface javax.accessibility.AccessibleComponent

setBounds

public void setBounds(Rectangle r)

Specified by:

setBounds in interface javax.accessibility.AccessibleComponent

getSize

public Dimension getSize()

Specified by:

getSize in interface javax.accessibility.AccessibleComponent

setSize

public void setSize(Dimension d)

Specified by:

setSize in interface javax.accessibility.AccessibleComponent

getAccessibleAt

public javax.accessibility.Accessible getAccessibleAt(Point p)

Returns the Accessible child, if one exists, contained at the local coordinate Point. Otherwise returns null.

Specified by:

getAccessibleAt in interface javax.accessibility.AccessibleComponent

Parameters:

p - point in local coordinates of this Accessible

Returns:

the Accessible, if it exists, at the specified location; else null

isFocusTraversable

public boolean isFocusTraversable()

Specified by:

isFocusTraversable in interface javax.accessibility.AccessibleComponent

requestFocus

public void requestFocus()

Specified by:

requestFocus in interface javax.accessibility.AccessibleComponent

addFocusListener

public void addFocusListener(FocusListener l)

Specified by:

addFocusListener in interface javax.accessibility.AccessibleComponent

removeFocusListener

public void removeFocusListener(FocusListener l)

Specified by:

removeFocusListener in interface javax.accessibility.AccessibleComponent

getAccessibleSelectionCount

public int getAccessibleSelectionCount()

Returns the number of items currently selected. If no items are selected, the return value will be 0.

Specified by:

getAccessibleSelectionCount in interface javax.accessibility.AccessibleSelection

Returns:

the number of items currently selected.

getAccessibleSelection

public javax.accessibility.Accessible getAccessibleSelection(int i)

Returns an Accessible representing the specified selected item in the object. If there isn't a selection, or there are fewer items selected than the integer passed in, the return value will be null.

Specified by:

getAccessibleSelection in interface javax.accessibility.AccessibleSelection

Parameters:

i - the zero-based index of selected items

Returns:

an Accessible containing the selected item

isAccessibleChildSelected

public boolean isAccessibleChildSelected(int i)

Returns true if the current child of this object is selected.

Specified by:

isAccessibleChildSelected in interface javax.accessibility.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)

Adds the specified selected item in the object to the object's selection. If the object supports multiple selections, the specified item is added to any existing selection, otherwise it replaces any existing selection in the object. If the specified item is already selected, this method has no effect.

Specified by:

addAccessibleSelection in interface javax.accessibility.AccessibleSelection

Parameters:

i - the zero-based index of selectable items

removeAccessibleSelection

public void removeAccessibleSelection(int i)

Removes the specified selected item in the object from the object's selection. If the specified item isn't currently selected, this method has no effect.

Specified by:

removeAccessibleSelection in interface javax.accessibility.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.

Specified by:

clearAccessibleSelection in interface javax.accessibility.AccessibleSelection

selectAllAccessibleSelection

public void selectAllAccessibleSelection()

Causes every selected item in the object to be selected if the object supports multiple selections.

Specified by:

selectAllAccessibleSelection in interface javax.accessibility.AccessibleSelection

getAccessibleActionCount

public int getAccessibleActionCount()

Returns the number of accessible actions available in this tree node. If this node is not a leaf, there is at least one action (toggle expand), in addition to any available on the object behind the TreeCellRenderer.

Specified by:

getAccessibleActionCount in interface javax.accessibility.AccessibleAction

Returns:

the number of Actions in this object

getAccessibleActionDescription

public String getAccessibleActionDescription(int i)

Return a description of the specified action of the tree node. If this node is not a leaf, there is at least one action description (toggle expand), in addition to any available on the object behind the TreeCellRenderer.

Specified by:

getAccessibleActionDescription in interface javax.accessibility.AccessibleAction

Parameters:

i - zero-based index of the actions

Returns:

a description of the action

doAccessibleAction

public boolean doAccessibleAction(int i)

Perform the specified Action on the tree node. If this node is not a leaf, there is at least one action which can be done (toggle expand), in addition to any available on the object behind the TreeCellRenderer.

Specified by:

doAccessibleAction in interface javax.accessibility.AccessibleAction

Parameters:

i - zero-based index of actions

Returns:

true if the the action was performed; else false.