Java javax.swing Class JTree.AccessibleJTree（JDK8）

Constructor Detail

• AccessibleJTree

  public AccessibleJTree()

Method Detail

• valueChanged

  public void valueChanged(TreeSelectionEvent e)

  Tree Selection Listener value change method. Used to fire the property change

  Specified by:

  valueChanged in interface TreeSelectionListener

  Parameters:

  e - ListSelectionEvent

• fireVisibleDataPropertyChange

  public void fireVisibleDataPropertyChange()

  Fire a visible data property change notification. A 'visible' data property is one that represents something about the way the component appears on the display, where that appearance isn't bound to any other property. It notifies screen readers that the visual appearance of the component has changed, so they can notify the user.

• treeNodesChanged

  public void treeNodesChanged(TreeModelEvent e)

  Tree Model Node change notification.

  Specified by:

  treeNodesChanged in interface TreeModelListener

  Parameters:

  e - a Tree Model event

• treeNodesInserted

  public void treeNodesInserted(TreeModelEvent e)

  Tree Model Node change notification.

  Specified by:

  treeNodesInserted in interface TreeModelListener

  Parameters:

  e - a Tree node insertion event

• treeNodesRemoved

  public void treeNodesRemoved(TreeModelEvent e)

  Tree Model Node change notification.

  Specified by:

  treeNodesRemoved in interface TreeModelListener

  Parameters:

  e - a Tree node(s) removal event

• treeStructureChanged

  public void treeStructureChanged(TreeModelEvent e)

  Tree Model structure change change notification.

  Specified by:

  treeStructureChanged in interface TreeModelListener

  Parameters:

  e - a Tree Model event

• treeCollapsed

  public void treeCollapsed(TreeExpansionEvent e)

  Tree Collapsed notification.

  Specified by:

  treeCollapsed in interface TreeExpansionListener

  Parameters:

  e - a TreeExpansionEvent

• treeExpanded

  public void treeExpanded(TreeExpansionEvent e)

  Tree Model Expansion notification.

  Specified by:

  treeExpanded in interface TreeExpansionListener

  Parameters:

  e - a Tree node insertion event

• getAccessibleRole

  public AccessibleRole getAccessibleRole()

  Get the role of this object.

  Overrides:

  getAccessibleRole in class JComponent.AccessibleJComponent

  Returns:

  an instance of AccessibleRole describing the role of the object

  See Also:

  AccessibleRole

• getAccessibleAt

  public 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 AccessibleComponent

  Overrides:

  getAccessibleAt in class Container.AccessibleAWTContainer

  Parameters:

  p - point in local coordinates of this Accessible

  Returns:

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

• getAccessibleChildrenCount

  public int getAccessibleChildrenCount()

  Returns the number of top-level children nodes of this JTree. Each of these nodes may in turn have children nodes.

  Overrides:

  getAccessibleChildrenCount in class JComponent.AccessibleJComponent

  Returns:

  the number of accessible children nodes in the tree.

• getAccessibleChild

  public Accessible getAccessibleChild(int i)

  Return the nth Accessible child of the object.

  Overrides:

  getAccessibleChild in class JComponent.AccessibleJComponent

  Parameters:

  i - zero-based index of child

  Returns:

  the nth Accessible child of the object

  See Also:

  AccessibleContext.getAccessibleChildrenCount()

• getAccessibleIndexInParent

  public int getAccessibleIndexInParent()

  Get the index of this object in its accessible parent.

  Overrides:

  getAccessibleIndexInParent in class Component.AccessibleAWTComponent

  Returns:

  the index of this object in its parent. Since a JTree top-level object does not have an accessible parent.

  See Also:

  Component.AccessibleAWTComponent.getAccessibleParent()

• getAccessibleSelection

  public AccessibleSelection getAccessibleSelection()

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

  Overrides:

  getAccessibleSelection in class AccessibleContext

  Returns:

  this object

  See Also:

  AccessibleSelection

• 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 AccessibleSelection

  Returns:

  the number of items currently selected.

• getAccessibleSelection

  public 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 AccessibleSelection

  Parameters:

  i - the zero-based index of selected items

  Returns:

  an Accessible containing the selected item

  See Also:

  AccessibleSelection.getAccessibleSelectionCount()

• 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 zero-based index of the child in this Accessible object.

  Returns:

  true if the current child of this object is selected; else false.

  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 AccessibleSelection

  Parameters:

  i - the zero-based index of selectable items

  See Also:

  AccessibleContext.getAccessibleChild(int)

• 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 AccessibleSelection

  Parameters:

  i - the zero-based index of selectable items

  See Also:

  AccessibleContext.getAccessibleChild(int)

• clearAccessibleSelection

  public void clearAccessibleSelection()

  Clears the selection in the object, so that nothing in the object is selected.

  Specified by:

  clearAccessibleSelection in interface 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 AccessibleSelection