- java.lang.Object
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- javax.accessibility.AccessibleContext
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- javax.swing.JTree.AccessibleJTree.AccessibleJTreeNode
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- 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 theJTreechild. It provides an implementation of the Java Accessibility API appropriate to tree nodes.
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Field Summary
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Fields declared in 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
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Fields declared in interface javax.accessibility.AccessibleAction
CLICK, DECREMENT, INCREMENT, TOGGLE_EXPAND, TOGGLE_POPUP
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Constructor Summary
Constructors Constructor Description AccessibleJTreeNode(JTree t, TreePath p, Accessible ap)Constructs an AccessibleJTreeNode
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidaddAccessibleSelection(int i)Adds the specified selected item in the object to the object's selection.voidaddPropertyChangeListener(PropertyChangeListener l)Add a PropertyChangeListener to the listener list.voidclearAccessibleSelection()Clears the selection in the object, so that nothing in the object is selected.booleandoAccessibleAction(int i)Perform the specified Action on the tree node.AccessibleActiongetAccessibleAction()Get the AccessibleAction associated with this object.intgetAccessibleActionCount()Returns the number of accessible actions available in this tree node.StringgetAccessibleActionDescription(int i)Return a description of the specified action of the tree node.AccessiblegetAccessibleAt(Point p)Returns theAccessiblechild, if one exists, contained at the local coordinatePoint.AccessiblegetAccessibleChild(int i)Return the specified Accessible child of the object.intgetAccessibleChildrenCount()Returns the number of accessible children in the object.AccessibleComponentgetAccessibleComponent()Get the AccessibleComponent associated with this object.AccessibleContextgetAccessibleContext()Get the AccessibleContext associated with this tree node.StringgetAccessibleDescription()Get the accessible description of this object.intgetAccessibleIndexInParent()Get the index of this object in its accessible parent.StringgetAccessibleName()Get the accessible name of this object.AccessiblegetAccessibleParent()Get the Accessible parent of this object.AccessibleRolegetAccessibleRole()Get the role of this object.AccessibleSelectiongetAccessibleSelection()Get the AccessibleSelection associated with this object if one exists.AccessiblegetAccessibleSelection(int i)Returns an Accessible representing the specified selected item in the object.intgetAccessibleSelectionCount()Returns the number of items currently selected.AccessibleStateSetgetAccessibleStateSet()Get the state set of this object.AccessibleTextgetAccessibleText()Get the AccessibleText associated with this object if one exists.AccessibleValuegetAccessibleValue()Get the AccessibleValue associated with this object if one exists.ColorgetBackground()Get the background color of this object.ColorgetForeground()Get the foreground color of this object.LocalegetLocale()Gets the locale of the component.protected PointgetLocationInJTree()Returns the relative location of the nodebooleanisAccessibleChildSelected(int i)Returns true if the current child of this object is selected.voidremoveAccessibleSelection(int i)Removes the specified selected item in the object from the object's selection.voidremovePropertyChangeListener(PropertyChangeListener l)Remove a PropertyChangeListener from the listener list.voidselectAllAccessibleSelection()Causes every selected item in the object to be selected if the object supports multiple selections.voidsetAccessibleDescription(String s)Set the accessible description of this object.voidsetAccessibleName(String s)Set the localized accessible name of this object.voidsetBackground(Color c)Set the background color of this object.-
Methods declared in class javax.accessibility.AccessibleContext
firePropertyChange, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleTable, setAccessibleParent
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Methods declared in class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods declared in interface javax.accessibility.AccessibleComponent
addFocusListener, contains, getBounds, getCursor, getFont, getFontMetrics, getLocation, getLocationOnScreen, getSize, isEnabled, isFocusTraversable, isShowing, isVisible, removeFocusListener, requestFocus, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible
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Constructor Detail
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AccessibleJTreeNode
public AccessibleJTreeNode(JTree t, TreePath p, Accessible ap)
Constructs an AccessibleJTreeNode- Parameters:
t- an instance ofJTreep- an instance ofTreePathap- an instance ofAccessible- Since:
- 1.4
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Method Detail
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getAccessibleContext
public 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:
getAccessibleContextin interfaceAccessible- Returns:
- this object
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getAccessibleName
public String getAccessibleName()
Get the accessible name of this object.- Overrides:
getAccessibleNamein classAccessibleContext- Returns:
- the localized name of the object; null if this object does not have a name
- See Also:
AccessibleContext.setAccessibleName(java.lang.String)
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setAccessibleName
public void setAccessibleName(String s)
Set the localized accessible name of this object.- Overrides:
setAccessibleNamein classAccessibleContext- Parameters:
s- the new localized name of the object.- See Also:
AccessibleContext.getAccessibleName(),AccessibleContext.addPropertyChangeListener(java.beans.PropertyChangeListener)
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getAccessibleDescription
public String getAccessibleDescription()
Get the accessible description of this object.- Overrides:
getAccessibleDescriptionin classAccessibleContext- Returns:
- the localized description of the object; null if this object does not have a description
- See Also:
AccessibleContext.setAccessibleDescription(java.lang.String)
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setAccessibleDescription
public void setAccessibleDescription(String s)
Set the accessible description of this object.- Overrides:
setAccessibleDescriptionin classAccessibleContext- Parameters:
s- the new localized description of the object- See Also:
AccessibleContext.setAccessibleName(java.lang.String),AccessibleContext.addPropertyChangeListener(java.beans.PropertyChangeListener)
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getAccessibleRole
public AccessibleRole getAccessibleRole()
Get the role of this object.- Specified by:
getAccessibleRolein classAccessibleContext- Returns:
- an instance of AccessibleRole describing the role of the object
- See Also:
AccessibleRole
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getAccessibleStateSet
public AccessibleStateSet getAccessibleStateSet()
Get the state set of this object.- Specified by:
getAccessibleStateSetin classAccessibleContext- Returns:
- an instance of AccessibleStateSet containing the current state set of the object
- See Also:
AccessibleState
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getAccessibleParent
public Accessible getAccessibleParent()
Get the Accessible parent of this object.- Overrides:
getAccessibleParentin classAccessibleContext- Returns:
- the Accessible parent of this object; null if this object does not have an Accessible parent
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getAccessibleIndexInParent
public int getAccessibleIndexInParent()
Get the index of this object in its accessible parent.- Specified by:
getAccessibleIndexInParentin classAccessibleContext- Returns:
- the index of this object in its parent; -1 if this object does not have an accessible parent.
- See Also:
getAccessibleParent()
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getAccessibleChildrenCount
public int getAccessibleChildrenCount()
Returns the number of accessible children in the object.- Specified by:
getAccessibleChildrenCountin classAccessibleContext- Returns:
- the number of accessible children in the object.
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getAccessibleChild
public Accessible getAccessibleChild(int i)
Return the specified Accessible child of the object.- Specified by:
getAccessibleChildin classAccessibleContext- Parameters:
i- zero-based index of child- Returns:
- the Accessible child of the object
- See Also:
AccessibleContext.getAccessibleChildrenCount()
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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.- Specified by:
getLocalein classAccessibleContext- 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)
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addPropertyChangeListener
public void addPropertyChangeListener(PropertyChangeListener l)
Add a PropertyChangeListener to the listener list. The listener is registered for all properties.- Overrides:
addPropertyChangeListenerin classAccessibleContext- Parameters:
l- The PropertyChangeListener to be added- 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
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removePropertyChangeListener
public void removePropertyChangeListener(PropertyChangeListener l)
Remove a PropertyChangeListener from the listener list. This removes a PropertyChangeListener that was registered for all properties.- Overrides:
removePropertyChangeListenerin classAccessibleContext- Parameters:
l- The PropertyChangeListener to be removed
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getAccessibleAction
public 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.- Overrides:
getAccessibleActionin classAccessibleContext- Returns:
- this object
- See Also:
AccessibleAction
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getAccessibleComponent
public 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.- Overrides:
getAccessibleComponentin classAccessibleContext- Returns:
- this object
- See Also:
AccessibleComponent
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getAccessibleSelection
public AccessibleSelection getAccessibleSelection()
Get the AccessibleSelection associated with this object if one exists. Otherwise return null.- Overrides:
getAccessibleSelectionin classAccessibleContext- Returns:
- the AccessibleSelection, or null
- See Also:
AccessibleSelection
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getAccessibleText
public AccessibleText getAccessibleText()
Get the AccessibleText associated with this object if one exists. Otherwise return null.- Overrides:
getAccessibleTextin classAccessibleContext- Returns:
- the AccessibleText, or null
- See Also:
AccessibleText
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getAccessibleValue
public AccessibleValue getAccessibleValue()
Get the AccessibleValue associated with this object if one exists. Otherwise return null.- Overrides:
getAccessibleValuein classAccessibleContext- Returns:
- the AccessibleValue, or null
- See Also:
AccessibleValue
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getBackground
public Color getBackground()
Get the background color of this object.- Specified by:
getBackgroundin interfaceAccessibleComponent- Returns:
- the background color, if supported, of the object; otherwise, null
- See Also:
AccessibleComponent.setBackground(java.awt.Color)
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setBackground
public void setBackground(Color c)
Set the background color of this object.- Specified by:
setBackgroundin interfaceAccessibleComponent- Parameters:
c- the new Color for the background- See Also:
AccessibleComponent.setBackground(java.awt.Color)
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getForeground
public Color getForeground()
Get the foreground color of this object.- Specified by:
getForegroundin interfaceAccessibleComponent- Returns:
- the foreground color, if supported, of the object; otherwise, null
- See Also:
AccessibleComponent.setForeground(java.awt.Color)
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getLocationInJTree
protected Point getLocationInJTree()
Returns the relative location of the node- Returns:
- the relative location of the node
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getAccessibleAt
public Accessible getAccessibleAt(Point p)
Returns theAccessiblechild, if one exists, contained at the local coordinatePoint. Otherwise returnsnull.- Specified by:
getAccessibleAtin interfaceAccessibleComponent- Parameters:
p- point in local coordinates of thisAccessible- Returns:
- the
Accessible, if it exists, at the specified location; elsenull
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getAccessibleSelectionCount
public int getAccessibleSelectionCount()
Returns the number of items currently selected. If no items are selected, the return value will be 0.- Specified by:
getAccessibleSelectionCountin interfaceAccessibleSelection- Returns:
- the number of items currently selected.
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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:
getAccessibleSelectionin interfaceAccessibleSelection- Parameters:
i- the zero-based index of selected items- Returns:
- an Accessible containing the selected item
- See Also:
AccessibleSelection.getAccessibleSelectionCount()
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isAccessibleChildSelected
public boolean isAccessibleChildSelected(int i)
Returns true if the current child of this object is selected.- Specified by:
isAccessibleChildSelectedin interfaceAccessibleSelection- Parameters:
i- the zero-based index of the child in this Accessible object.- Returns:
trueif the current child of this object is selected; elsefalse- See Also:
AccessibleContext.getAccessibleChild(int)
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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:
addAccessibleSelectionin interfaceAccessibleSelection- Parameters:
i- the zero-based index of selectable items- See Also:
AccessibleContext.getAccessibleChild(int)
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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:
removeAccessibleSelectionin interfaceAccessibleSelection- Parameters:
i- the zero-based index of selectable items- See Also:
AccessibleContext.getAccessibleChild(int)
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clearAccessibleSelection
public void clearAccessibleSelection()
Clears the selection in the object, so that nothing in the object is selected.- Specified by:
clearAccessibleSelectionin interfaceAccessibleSelection
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selectAllAccessibleSelection
public void selectAllAccessibleSelection()
Causes every selected item in the object to be selected if the object supports multiple selections.- Specified by:
selectAllAccessibleSelectionin interfaceAccessibleSelection
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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:
getAccessibleActionCountin interfaceAccessibleAction- Returns:
- the number of Actions in this object
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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:
getAccessibleActionDescriptionin interfaceAccessibleAction- Parameters:
i- zero-based index of the actions- Returns:
- a description of the action
- See Also:
AccessibleAction.getAccessibleActionCount()
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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:
doAccessibleActionin interfaceAccessibleAction- Parameters:
i- zero-based index of actions- Returns:
- true if the action was performed; else false.
- See Also:
AccessibleAction.getAccessibleActionCount()
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