javax.swing
Class JTree.AccessibleJTree.AccessibleJTreeNode

java.lang.Object
  extended by javax.accessibility.AccessibleContext
      extended by javax.swing.JTree.AccessibleJTree.AccessibleJTreeNode
All Implemented Interfaces:
Accessible, AccessibleAction, AccessibleComponent, AccessibleSelection
Enclosing class:
JTree.AccessibleJTree

protected class JTree.AccessibleJTree.AccessibleJTreeNode
extends AccessibleContext
implements Accessible, AccessibleComponent, AccessibleSelection, 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
 
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
 
Fields inherited from interface javax.accessibility.AccessibleAction
CLICK, DECREMENT, INCREMENT, TOGGLE_EXPAND, TOGGLE_POPUP
 
Constructor Summary
JTree.AccessibleJTree.AccessibleJTreeNode(JTree t, TreePath p, 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)
          Adds the specified focus listener to receive focus events from this component.
 void addPropertyChangeListener(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)
          Checks whether the specified point is within this object's bounds, where the point's x and y coordinates are defined to be relative to the coordinate system of the object.
 boolean doAccessibleAction(int i)
          Perform the specified Action on the tree node.
 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.
 Accessible getAccessibleAt(Point p)
          Returns the Accessible child, if one exists, contained at the local coordinate Point.
 Accessible getAccessibleChild(int i)
          Return the specified Accessible child of the object.
 int getAccessibleChildrenCount()
          Returns the number of accessible children in the object.
 AccessibleComponent getAccessibleComponent()
          Get the AccessibleComponent associated with this object.
 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.
 Accessible getAccessibleParent()
          Get the Accessible parent of this object.
 AccessibleRole getAccessibleRole()
          Get the role of this object.
 AccessibleSelection getAccessibleSelection()
          Get the AccessibleSelection associated with this object if one exists.
 Accessible getAccessibleSelection(int i)
          Returns an Accessible representing the specified selected item in the object.
 int getAccessibleSelectionCount()
          Returns the number of items currently selected.
 AccessibleStateSet getAccessibleStateSet()
          Get the state set of this object.
 AccessibleText getAccessibleText()
          Get the AccessibleText associated with this object if one exists.
 AccessibleValue getAccessibleValue()
          Get the AccessibleValue associated with this object if one exists.
 Color getBackground()
          Get the background color of this object.
 Rectangle getBounds()
          Gets the bounds of this object in the form of a Rectangle object.
 Cursor getCursor()
          Gets the Cursor of this object.
 Font getFont()
          Gets the Font of this object.
 FontMetrics getFontMetrics(Font f)
          Gets the FontMetrics of this object.
 Color getForeground()
          Get the foreground color of this object.
 Locale getLocale()
          Gets the locale of the component.
 Point getLocation()
          Gets the location of the object relative to the parent in the form of a point specifying the object's top-left corner in the screen's coordinate space.
protected  Point getLocationInJTree()
          Returns the location in the tree.
 Point getLocationOnScreen()
          Returns the location of the object on the screen.
 Dimension getSize()
          Returns the size of this object in the form of a Dimension object.
 boolean isAccessibleChildSelected(int i)
          Returns true if the current child of this object is selected.
 boolean isEnabled()
          Determines if the object is enabled.
 boolean isFocusTraversable()
          Returns whether this object can accept focus or not.
 boolean isShowing()
          Determines if the object is showing.
 boolean isVisible()
          Determines if the object is visible.
 void removeAccessibleSelection(int i)
          Removes the specified selected item in the object from the object's selection.
 void removeFocusListener(FocusListener l)
          Removes the specified focus listener so it no longer receives focus events from this component.
 void removePropertyChangeListener(PropertyChangeListener l)
          Remove a PropertyChangeListener from the listener list.
 void requestFocus()
          Requests focus for this object.
 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)
          Sets the bounds of this object in the form of a Rectangle object.
 void setCursor(Cursor c)
          Sets the Cursor of this object.
 void setEnabled(boolean b)
          Sets the enabled state of the object.
 void setFont(Font f)
          Sets the Font of this object.
 void setForeground(Color c)
          Sets the foreground color of this object.
 void setLocation(Point p)
          Sets the location of the object relative to the parent.
 void setSize(Dimension d)
          Resizes this object so that it has width and height.
 void setVisible(boolean b)
          Sets the visible state of the object.
 
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
 

Constructor Detail

JTree.AccessibleJTree.AccessibleJTreeNode

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

Parameters:
t - - the current tree
p - - the current path to be dealt with
ap - - the accessible object to use
Method Detail

addAccessibleSelection

public void addAccessibleSelection(int i)
Adds the specified selected item in the object to the object's selection.

Specified by:
addAccessibleSelection in interface AccessibleSelection
Parameters:
i - - the i-th child of this node.

addFocusListener

public void addFocusListener(FocusListener l)
Adds the specified focus listener to receive focus events from this component.

Specified by:
addFocusListener in interface AccessibleComponent
Parameters:
l - - the new focus listener
See Also:
AccessibleComponent.removeFocusListener(FocusListener)

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener l)
Add a PropertyChangeListener to the listener list.

Overrides:
addPropertyChangeListener in class AccessibleContext
Parameters:
l - - the new property change listener
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, AccessibleContext.removePropertyChangeListener(PropertyChangeListener)

clearAccessibleSelection

public void clearAccessibleSelection()
Clears the selection in the object, so that nothing in the object is selected.

Specified by:
clearAccessibleSelection in interface AccessibleSelection

contains

public boolean contains(Point p)
Checks whether the specified point is within this object's bounds, where the point's x and y coordinates are defined to be relative to the coordinate system of the object.

Specified by:
contains in interface AccessibleComponent
Parameters:
p - - the point to check
Returns:
true if p is in the bounds
See Also:
AccessibleComponent.getBounds()

doAccessibleAction

public boolean doAccessibleAction(int i)
Perform the specified Action on the tree node.

Specified by:
doAccessibleAction in interface AccessibleAction
Parameters:
i - - the i-th action to perform
Returns:
true if the the action was performed; else false.

getAccessibleAction

public AccessibleAction getAccessibleAction()
Get the AccessibleAction associated with this object.

Overrides:
getAccessibleAction in class AccessibleContext
Returns:
the action
See Also:
AccessibleAction

getAccessibleActionCount

public int getAccessibleActionCount()
Returns the number of accessible actions available in this tree node.

Specified by:
getAccessibleActionCount in interface AccessibleAction
Returns:
the number of actions

getAccessibleActionDescription

public String getAccessibleActionDescription(int i)
Return a description of the specified action of the tree node.

Specified by:
getAccessibleActionDescription in interface AccessibleAction
Parameters:
i - - the i-th action's description
Returns:
a description of the action

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
Parameters:
p - - the point of the accessible
Returns:
the accessible at point p if it exists

getAccessibleChild

public Accessible getAccessibleChild(int i)
Return the specified Accessible child of the object.

Specified by:
getAccessibleChild in class AccessibleContext
Parameters:
i - - the i-th child of the current path
Returns:
the child if it exists
See Also:
AccessibleContext.getAccessibleChildrenCount()

getAccessibleChildrenCount

public int getAccessibleChildrenCount()
Returns the number of accessible children in the object.

Specified by:
getAccessibleChildrenCount in class AccessibleContext
Returns:
the number of children the current node has
See Also:
AccessibleContext.getAccessibleChild(int)

getAccessibleComponent

public AccessibleComponent getAccessibleComponent()
Get the AccessibleComponent associated with this object.

Overrides:
getAccessibleComponent in class AccessibleContext
Returns:
the accessible component if it is supported.
See Also:
AccessibleComponent

getAccessibleContext

public AccessibleContext getAccessibleContext()
Get the AccessibleContext associated with this tree node.

Specified by:
getAccessibleContext in interface Accessible
Returns:
an instance of this class

getAccessibleDescription

public String getAccessibleDescription()
Get the accessible description of this object.

Overrides:
getAccessibleDescription in class AccessibleContext
Returns:
the accessible description
See Also:
AccessibleContext.setAccessibleDescription(String)

getAccessibleIndexInParent

public int getAccessibleIndexInParent()
Get the index of this object in its accessible parent.

Specified by:
getAccessibleIndexInParent in class AccessibleContext
Returns:
the index of this in the parent.
See Also:
AccessibleContext.getAccessibleParent(), AccessibleContext.getAccessibleChildrenCount(), AccessibleContext.getAccessibleChild(int)

getAccessibleName

public String getAccessibleName()
Get the accessible name of this object.

Overrides:
getAccessibleName in class AccessibleContext
Returns:
the accessible name
See Also:
AccessibleContext.setAccessibleName(String)

getAccessibleParent

public Accessible getAccessibleParent()
Get the Accessible parent of this object.

Overrides:
getAccessibleParent in class AccessibleContext
Returns:
the accessible parent if it exists.

getAccessibleRole

public AccessibleRole getAccessibleRole()
Get the role of this object.

Specified by:
getAccessibleRole in class AccessibleContext
Returns:
the accessible role
See Also:
AccessibleRole

getAccessibleSelection

public AccessibleSelection getAccessibleSelection()
Get the AccessibleSelection associated with this object if one exists.

Overrides:
getAccessibleSelection in class AccessibleContext
Returns:
the accessible selection for this.
See Also:
AccessibleSelection

getAccessibleSelection

public Accessible getAccessibleSelection(int i)
Returns an Accessible representing the specified selected item in the object.

Specified by:
getAccessibleSelection in interface AccessibleSelection
Parameters:
i - zero-based index of selected child objects
Returns:
the accessible representing a certain selected item.
See Also:
AccessibleSelection.getAccessibleSelectionCount()

getAccessibleSelectionCount

public int getAccessibleSelectionCount()
Returns the number of items currently selected.

Specified by:
getAccessibleSelectionCount in interface AccessibleSelection
Returns:
the number of items selected.

getAccessibleStateSet

public AccessibleStateSet getAccessibleStateSet()
Get the state set of this object.

Specified by:
getAccessibleStateSet in class AccessibleContext
Returns:
the state set for this object
See Also:
AccessibleState, AccessibleStateSet, AccessibleContext.addPropertyChangeListener(PropertyChangeListener)

getAccessibleText

public AccessibleText getAccessibleText()
Get the AccessibleText associated with this object if one exists.

Overrides:
getAccessibleText in class AccessibleContext
Returns:
the accessible text
See Also:
AccessibleText

getAccessibleValue

public AccessibleValue getAccessibleValue()
Get the AccessibleValue associated with this object if one exists.

Overrides:
getAccessibleValue in class AccessibleContext
Returns:
the accessible value if it exists
See Also:
AccessibleValue

getBackground

public Color getBackground()
Get the background color of this object.

Specified by:
getBackground in interface AccessibleComponent
Returns:
the color of the background.
See Also:
AccessibleComponent.setBackground(Color)

getBounds

public Rectangle getBounds()
Gets the bounds of this object in the form of a Rectangle object.

Specified by:
getBounds in interface AccessibleComponent
Returns:
the bounds of the current node.
See Also:
AccessibleComponent.contains(Point)

getCursor

public Cursor getCursor()
Gets the Cursor of this object.

Specified by:
getCursor in interface AccessibleComponent
Returns:
the cursor for the current node
See Also:
AccessibleComponent.setCursor(Cursor)

getFont

public Font getFont()
Gets the Font of this object.

Specified by:
getFont in interface AccessibleComponent
Returns:
the font for the current node
See Also:
AccessibleComponent.setFont(Font)

getFontMetrics

public FontMetrics getFontMetrics(Font f)
Gets the FontMetrics of this object.

Specified by:
getFontMetrics in interface AccessibleComponent
Parameters:
f - - the current font.
Returns:
the font metrics for the given font.
See Also:
AccessibleComponent.getFont()

getForeground

public Color getForeground()
Get the foreground color of this object.

Specified by:
getForeground in interface AccessibleComponent
Returns:
the foreground for this object.
See Also:
AccessibleComponent.setForeground(Color)

getLocale

public Locale getLocale()
Gets the locale of the component.

Specified by:
getLocale in class AccessibleContext
Returns:
the locale of the component.

getLocation

public Point getLocation()
Gets the location of the object relative to the parent in the form of a point specifying the object's top-left corner in the screen's coordinate space.

Specified by:
getLocation in interface AccessibleComponent
Returns:
the location of the current node.
See Also:
AccessibleComponent.getBounds(), AccessibleComponent.getLocationOnScreen(), AccessibleComponent.setLocation(Point)

getLocationInJTree

protected Point getLocationInJTree()
Returns the location in the tree.

Returns:
the location in the JTree.

getLocationOnScreen

public Point getLocationOnScreen()
Returns the location of the object on the screen.

Specified by:
getLocationOnScreen in interface AccessibleComponent
Returns:
the location of the object on the screen.
See Also:
AccessibleComponent.getBounds(), AccessibleComponent.getLocation()

getSize

public Dimension getSize()
Returns the size of this object in the form of a Dimension object.

Specified by:
getSize in interface AccessibleComponent
Returns:
the size of the object
See Also:
AccessibleComponent.setSize(Dimension)

isAccessibleChildSelected

public boolean isAccessibleChildSelected(int i)
Returns true if the current child of this object is selected.

Specified by:
isAccessibleChildSelected in interface AccessibleSelection
Parameters:
i - - the child of the current node
Returns:
true if the child is selected.

isEnabled

public boolean isEnabled()
Determines if the object is enabled.

Specified by:
isEnabled in interface AccessibleComponent
Returns:
true if the tree is enabled
See Also:
AccessibleComponent.setEnabled(boolean), AccessibleContext.getAccessibleStateSet(), AccessibleState.ENABLED

isFocusTraversable

public boolean isFocusTraversable()
Returns whether this object can accept focus or not.

Specified by:
isFocusTraversable in interface AccessibleComponent
Returns:
true, it is always focus traversable
See Also:
AccessibleContext.getAccessibleStateSet(), AccessibleState.FOCUSABLE, AccessibleState.FOCUSED

isShowing

public boolean isShowing()
Determines if the object is showing.

Specified by:
isShowing in interface AccessibleComponent
Returns:
true if the object is visible and the parent is visible.
See Also:
AccessibleComponent.isVisible(), AccessibleComponent.setVisible(boolean), AccessibleContext.getAccessibleStateSet(), AccessibleState.SHOWING

isVisible

public boolean isVisible()
Determines if the object is visible.

Specified by:
isVisible in interface AccessibleComponent
Returns:
true if the object is visible.
See Also:
AccessibleComponent.setVisible(boolean), AccessibleContext.getAccessibleStateSet(), AccessibleState.VISIBLE

removeAccessibleSelection

public void removeAccessibleSelection(int i)
Removes the specified selected item in the object from the object's selection.

Specified by:
removeAccessibleSelection in interface AccessibleSelection
Parameters:
i - - the specified item to remove

removeFocusListener

public void removeFocusListener(FocusListener l)
Removes the specified focus listener so it no longer receives focus events from this component.

Specified by:
removeFocusListener in interface AccessibleComponent
Parameters:
l - - the focus listener to remove
See Also:
AccessibleComponent.addFocusListener(FocusListener)

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener l)
Remove a PropertyChangeListener from the listener list.

Overrides:
removePropertyChangeListener in class AccessibleContext
Parameters:
l - - the property change listener to remove.
See Also:
AccessibleContext.addPropertyChangeListener(PropertyChangeListener)

requestFocus

public void requestFocus()
Requests focus for this object.

Specified by:
requestFocus in interface AccessibleComponent
See Also:
AccessibleComponent.isFocusTraversable(), AccessibleState.FOCUSED

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 AccessibleSelection

setAccessibleDescription

public void setAccessibleDescription(String s)
Set the accessible description of this object.

Overrides:
setAccessibleDescription in class AccessibleContext
Parameters:
s - - the string to set the accessible description to.
See Also:
AccessibleContext.getAccessibleDescription(), AccessibleContext.addPropertyChangeListener(PropertyChangeListener)

setAccessibleName

public void setAccessibleName(String s)
Set the localized accessible name of this object.

Overrides:
setAccessibleName in class AccessibleContext
Parameters:
s - - the string to set the accessible name to.
See Also:
AccessibleContext.getAccessibleName(), AccessibleContext.addPropertyChangeListener(PropertyChangeListener)

setBackground

public void setBackground(Color c)
Set the background color of this object.

Specified by:
setBackground in interface AccessibleComponent
Parameters:
c - - the color to set the background to.
See Also:
AccessibleComponent.getBackground()

setBounds

public void setBounds(Rectangle r)
Sets the bounds of this object in the form of a Rectangle object.

Specified by:
setBounds in interface AccessibleComponent
Parameters:
r - - the bounds to set the object o

setCursor

public void setCursor(Cursor c)
Sets the Cursor of this object.

Specified by:
setCursor in interface AccessibleComponent
Parameters:
c - - the new cursor
See Also:
AccessibleComponent.getCursor()

setEnabled

public void setEnabled(boolean b)
Sets the enabled state of the object.

Specified by:
setEnabled in interface AccessibleComponent
Parameters:
b - - boolean to enable or disable object
See Also:
AccessibleComponent.isEnabled()

setFont

public void setFont(Font f)
Sets the Font of this object.

Specified by:
setFont in interface AccessibleComponent
Parameters:
f - - the new font.
See Also:
AccessibleComponent.getFont()

setForeground

public void setForeground(Color c)
Sets the foreground color of this object.

Specified by:
setForeground in interface AccessibleComponent
Parameters:
c - - the new foreground color.
See Also:
AccessibleComponent.getForeground()

setLocation

public void setLocation(Point p)
Sets the location of the object relative to the parent.

Specified by:
setLocation in interface AccessibleComponent
Parameters:
p - - the new location for the object.
See Also:
AccessibleComponent.getLocation()

setSize

public void setSize(Dimension d)
Resizes this object so that it has width and height.

Specified by:
setSize in interface AccessibleComponent
Parameters:
d - - the new size for the object.
See Also:
AccessibleComponent.getSize()

setVisible

public void setVisible(boolean b)
Sets the visible state of the object.

Specified by:
setVisible in interface AccessibleComponent
Parameters:
b - - sets the objects visibility.
See Also:
AccessibleComponent.isVisible()