java.lang.Object
javax.accessibility.AccessibleContext
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 SummaryFields declared in class javax.accessibility.AccessibleContextACCESSIBLE_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, accessibleNameFields declared in interface javax.accessibility.AccessibleActionCLICK, DECREMENT, INCREMENT, TOGGLE_EXPAND, TOGGLE_POPUP
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Constructor SummaryConstructorsConstructorDescriptionAccessibleJTreeNode(JTree t, TreePath p, Accessible ap) Constructs an AccessibleJTreeNode
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Method SummaryModifier and TypeMethodDescriptionvoidaddAccessibleSelection(int i) Adds the specified selected item in the object to the object's selection.voidAdds the specified focus listener to receive focus events from this component.voidAdd a PropertyChangeListener to the listener list.voidClears the selection in the object, so that nothing in the object is selected.booleanChecks 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.booleandoAccessibleAction(int i) Perform the specified Action on the tree node.Get the AccessibleAction associated with this object.intReturns the number of accessible actions available in this tree node.Return a description of the specified action of the tree node.Returns theAccessiblechild, if one exists, contained at the local coordinatePoint.getAccessibleChild(int i) Return the specified Accessible child of the object.intReturns the number of accessible children in the object.Get the AccessibleComponent associated with this object.Get the AccessibleContext associated with this tree node.Get the accessible description of this object.intGet the index of this object in its accessible parent.Get the accessible name of this object.Get the Accessible parent of this object.Get the role of this object.Get the AccessibleSelection associated with this object if one exists.getAccessibleSelection(int i) Returns an Accessible representing the specified selected item in the object.intReturns the number of items currently selected.Get the state set of this object.Get the AccessibleText associated with this object if one exists.Get the AccessibleValue associated with this object if one exists.Get the background color of this object.Gets the bounds of this object in the form of aRectangleobject.Gets the cursor of this object.getFont()Gets the font of this object.Gets theFontMetricsof this object.Get the foreground color of this object.Gets the locale of the component.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 PointReturns the relative location of the nodeReturns the location of the object on the screen.getSize()Returns the size of this object in the form of aDimensionobject.booleanisAccessibleChildSelected(int i) Returns true if the current child of this object is selected.booleanDetermines if the object is enabled.booleanReturns whether this object can accept focus or not.booleanDetermines if the object is showing.booleanDetermines if the object is visible.voidremoveAccessibleSelection(int i) Removes the specified selected item in the object from the object's selection.voidRemoves the specified focus listener so it no longer receives focus events from this component.voidRemove a PropertyChangeListener from the listener list.voidRequests focus for this object.voidCauses every selected item in the object to be selected if the object supports multiple selections.voidSet the accessible description of this object.voidSet the localized accessible name of this object.voidSet the background color of this object.voidSets the bounds of this object in the form of aRectangleobject.voidSets the cursor of this object.voidsetEnabled(boolean b) Sets the enabled state of the object.voidSets the font of this object.voidSets the foreground color of this object.voidsetLocation(Point p) Sets the location of the object relative to the parent.voidResizes this object so that it has width and height.voidsetVisible(boolean b) Sets the visible state of the object.Methods declared in class javax.accessibility.AccessibleContextfirePropertyChange, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleTable, setAccessibleParent
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Constructor Details- 
AccessibleJTreeNodeConstructs an AccessibleJTreeNode- Parameters:
- t- an instance of- JTree
- p- an instance of- TreePath
- ap- an instance of- Accessible
- Since:
- 1.4
 
 
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Method Details- 
getAccessibleContextGet 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 interface- Accessible
- Returns:
- this object
 
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getAccessibleNameGet the accessible name of this object.- Overrides:
- getAccessibleNamein class- AccessibleContext
- Returns:
- the localized name of the object; null if this object does not have a name
- See Also:
 
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setAccessibleNameSet the localized accessible name of this object.- Overrides:
- setAccessibleNamein class- AccessibleContext
- Parameters:
- s- the new localized name of the object.
- See Also:
 
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getAccessibleDescriptionGet the accessible description of this object.- Overrides:
- getAccessibleDescriptionin class- AccessibleContext
- Returns:
- the localized description of the object; null if this object does not have a description
- See Also:
 
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setAccessibleDescriptionSet the accessible description of this object.- Overrides:
- setAccessibleDescriptionin class- AccessibleContext
- Parameters:
- s- the new localized description of the object
- See Also:
 
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getAccessibleRoleGet the role of this object.- Specified by:
- getAccessibleRolein class- AccessibleContext
- Returns:
- an instance of AccessibleRole describing the role of the object
- See Also:
 
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getAccessibleStateSetGet the state set of this object.- Specified by:
- getAccessibleStateSetin class- AccessibleContext
- Returns:
- an instance of AccessibleStateSet containing the current state set of the object
- See Also:
 
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getAccessibleParentGet the Accessible parent of this object.- Overrides:
- getAccessibleParentin class- AccessibleContext
- Returns:
- the Accessible parent of this object; null if this object does not have an Accessible parent
 
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getAccessibleIndexInParentpublic int getAccessibleIndexInParent()Get the index of this object in its accessible parent.- Specified by:
- getAccessibleIndexInParentin class- AccessibleContext
- Returns:
- the index of this object in its parent; -1 if this object does not have an accessible parent.
- See Also:
 
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getAccessibleChildrenCountpublic int getAccessibleChildrenCount()Returns the number of accessible children in the object.- Specified by:
- getAccessibleChildrenCountin class- AccessibleContext
- Returns:
- the number of accessible children in the object.
 
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getAccessibleChildReturn the specified Accessible child of the object.- Specified by:
- getAccessibleChildin class- AccessibleContext
- Parameters:
- i- zero-based index of child
- Returns:
- the Accessible child of the object
- See Also:
 
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getLocaleGets the locale of the component. If the component does not have a locale, then the locale of its parent is returned.- Specified by:
- getLocalein class- AccessibleContext
- 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:
 
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addPropertyChangeListenerAdd a PropertyChangeListener to the listener list. The listener is registered for all properties.- Overrides:
- addPropertyChangeListenerin class- AccessibleContext
- Parameters:
- l- The PropertyChangeListener to be added
- See Also:
 
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removePropertyChangeListenerRemove a PropertyChangeListener from the listener list. This removes a PropertyChangeListener that was registered for all properties.- Overrides:
- removePropertyChangeListenerin class- AccessibleContext
- Parameters:
- l- The PropertyChangeListener to be removed
 
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getAccessibleActionGet 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 class- AccessibleContext
- Returns:
- this object
- See Also:
 
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getAccessibleComponentGet 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 class- AccessibleContext
- Returns:
- this object
- See Also:
 
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getAccessibleSelectionGet the AccessibleSelection associated with this object if one exists. Otherwise return null.- Overrides:
- getAccessibleSelectionin class- AccessibleContext
- Returns:
- the AccessibleSelection, or null
- See Also:
 
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getAccessibleTextGet the AccessibleText associated with this object if one exists. Otherwise return null.- Overrides:
- getAccessibleTextin class- AccessibleContext
- Returns:
- the AccessibleText, or null
- See Also:
 
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getAccessibleValueGet the AccessibleValue associated with this object if one exists. Otherwise return null.- Overrides:
- getAccessibleValuein class- AccessibleContext
- Returns:
- the AccessibleValue, or null
- See Also:
 
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getBackgroundGet the background color of this object.- Specified by:
- getBackgroundin interface- AccessibleComponent
- Returns:
- the background color, if supported, of the object; otherwise, null
- See Also:
 
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setBackgroundSet the background color of this object.- Specified by:
- setBackgroundin interface- AccessibleComponent
- Parameters:
- c- the new Color for the background
- See Also:
 
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getForegroundGet the foreground color of this object.- Specified by:
- getForegroundin interface- AccessibleComponent
- Returns:
- the foreground color, if supported, of the object; otherwise, null
- See Also:
 
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setForegroundDescription copied from interface:AccessibleComponentSets the foreground color of this object.- Specified by:
- setForegroundin interface- AccessibleComponent
- Parameters:
- c- the new color for the foreground
- See Also:
 
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getCursorDescription copied from interface:AccessibleComponentGets the cursor of this object.- Specified by:
- getCursorin interface- AccessibleComponent
- Returns:
- the cursor, if supported, of the object; otherwise, null
- See Also:
 
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setCursorDescription copied from interface:AccessibleComponentSets the cursor of this object.- Specified by:
- setCursorin interface- AccessibleComponent
- Parameters:
- c- the new cursor for the object
- See Also:
 
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getFontDescription copied from interface:AccessibleComponentGets the font of this object.- Specified by:
- getFontin interface- AccessibleComponent
- Returns:
- the font, if supported, for the object; otherwise, null
- See Also:
 
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setFontDescription copied from interface:AccessibleComponentSets the font of this object.- Specified by:
- setFontin interface- AccessibleComponent
- Parameters:
- f- the new font for the object
- See Also:
 
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getFontMetricsDescription copied from interface:AccessibleComponentGets theFontMetricsof this object.- Specified by:
- getFontMetricsin interface- AccessibleComponent
- Parameters:
- f- the font for which font metrics is to be obtained
- Returns:
- the FontMetrics, if supported, the object; otherwise,null
- See Also:
 
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isEnabledpublic boolean isEnabled()Description copied from interface:AccessibleComponentDetermines if the object is enabled. Objects that are enabled will also have theAccessibleState.ENABLEDstate set in theirAccessibleStateSets.- Specified by:
- isEnabledin interface- AccessibleComponent
- Returns:
- trueif object is enabled; otherwise,- false
- See Also:
 
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setEnabledpublic void setEnabled(boolean b) Description copied from interface:AccessibleComponentSets the enabled state of the object.- Specified by:
- setEnabledin interface- AccessibleComponent
- Parameters:
- b- if- true, enables this object; otherwise, disables it
- See Also:
 
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isVisiblepublic boolean isVisible()Description copied from interface:AccessibleComponentDetermines if the object is visible. Note: this means that the object intends to be visible; however, it may not be showing on the screen because one of the objects that this object is contained by is currently not visible. To determine if an object is showing on the screen, useAccessibleComponent.isShowing()Objects that are visible will also have the AccessibleState.VISIBLEstate set in theirAccessibleStateSets.- Specified by:
- isVisiblein interface- AccessibleComponent
- Returns:
- trueif object is visible; otherwise,- false
- See Also:
 
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setVisiblepublic void setVisible(boolean b) Description copied from interface:AccessibleComponentSets the visible state of the object.- Specified by:
- setVisiblein interface- AccessibleComponent
- Parameters:
- b- if- true, shows this object; otherwise, hides it
- See Also:
 
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isShowingpublic boolean isShowing()Description copied from interface:AccessibleComponentDetermines if the object is showing. This is determined by checking the visibility of the object and its ancestors. Note: this will returntrueeven if the object is obscured by another (for example, it is underneath a menu that was pulled down).- Specified by:
- isShowingin interface- AccessibleComponent
- Returns:
- trueif object is showing; otherwise,- false
 
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containsDescription copied from interface:AccessibleComponentChecks 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:
- containsin interface- AccessibleComponent
- Parameters:
- p- the point relative to the coordinate system of the object
- Returns:
- trueif object contains point; otherwise- false
- See Also:
 
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getLocationOnScreenDescription copied from interface:AccessibleComponentReturns the location of the object on the screen.- Specified by:
- getLocationOnScreenin interface- AccessibleComponent
- Returns:
- the location of the object on screen; nullif this object is not on the screen
- See Also:
 
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getLocationInJTreeReturns the relative location of the node- Returns:
- the relative location of the node
 
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getLocationDescription copied from interface:AccessibleComponentGets 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:
- getLocationin interface- AccessibleComponent
- Returns:
- An instance of Pointrepresenting the top-left corner of the object's bounds in the coordinate space of the screen;nullif this object or its parent are not on the screen
- See Also:
 
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setLocationDescription copied from interface:AccessibleComponentSets the location of the object relative to the parent.- Specified by:
- setLocationin interface- AccessibleComponent
- Parameters:
- p- the new position for the top-left corner
- See Also:
 
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getBoundsDescription copied from interface:AccessibleComponentGets the bounds of this object in the form of aRectangleobject. The bounds specify this object's width, height, and location relative to its parent.- Specified by:
- getBoundsin interface- AccessibleComponent
- Returns:
- A rectangle indicating this component's bounds; nullif this object is not on the screen.
- See Also:
 
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setBoundsDescription copied from interface:AccessibleComponentSets the bounds of this object in the form of aRectangleobject. The bounds specify this object's width, height, and location relative to its parent.- Specified by:
- setBoundsin interface- AccessibleComponent
- Parameters:
- r- rectangle indicating this component's bounds
- See Also:
 
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getSizeDescription copied from interface:AccessibleComponentReturns the size of this object in the form of aDimensionobject. Theheightfield of theDimensionobject contains this object's height, and thewidthfield of theDimensionobject contains this object's width.- Specified by:
- getSizein interface- AccessibleComponent
- Returns:
- A Dimensionobject that indicates the size of this component;nullif this object is not on the screen
- See Also:
 
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setSizeDescription copied from interface:AccessibleComponentResizes this object so that it has width and height.- Specified by:
- setSizein interface- AccessibleComponent
- Parameters:
- d- The dimension specifying the new size of the object
- See Also:
 
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getAccessibleAtReturns theAccessiblechild, if one exists, contained at the local coordinatePoint. Otherwise returnsnull.- Specified by:
- getAccessibleAtin interface- AccessibleComponent
- Parameters:
- p- point in local coordinates of this- Accessible
- Returns:
- the Accessible, if it exists, at the specified location; elsenull
 
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isFocusTraversablepublic boolean isFocusTraversable()Description copied from interface:AccessibleComponentReturns whether this object can accept focus or not. Objects that can accept focus will also have theAccessibleState.FOCUSABLEstate set in theirAccessibleStateSets.- Specified by:
- isFocusTraversablein interface- AccessibleComponent
- Returns:
- trueif object can accept focus; otherwise- false
- See Also:
 
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requestFocuspublic void requestFocus()Description copied from interface:AccessibleComponentRequests focus for this object. If this object cannot accept focus, nothing will happen. Otherwise, the object will attempt to take focus.- Specified by:
- requestFocusin interface- AccessibleComponent
- See Also:
 
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addFocusListenerDescription copied from interface:AccessibleComponentAdds the specified focus listener to receive focus events from this component.- Specified by:
- addFocusListenerin interface- AccessibleComponent
- Parameters:
- l- the focus listener
- See Also:
 
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removeFocusListenerDescription copied from interface:AccessibleComponentRemoves the specified focus listener so it no longer receives focus events from this component.- Specified by:
- removeFocusListenerin interface- AccessibleComponent
- Parameters:
- l- the focus listener
- See Also:
 
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getAccessibleSelectionCountpublic int getAccessibleSelectionCount()Returns the number of items currently selected. If no items are selected, the return value will be 0.- Specified by:
- getAccessibleSelectionCountin interface- AccessibleSelection
- Returns:
- the number of items currently selected.
 
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getAccessibleSelectionReturns 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 interface- AccessibleSelection
- Parameters:
- i- the zero-based index of selected items
- Returns:
- an Accessible containing the selected item
- See Also:
 
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isAccessibleChildSelectedpublic boolean isAccessibleChildSelected(int i) Returns true if the current child of this object is selected.- Specified by:
- isAccessibleChildSelectedin interface- AccessibleSelection
- Parameters:
- i- the zero-based index of the child in this Accessible object.
- Returns:
- trueif the current child of this object is selected; else- false
- See Also:
 
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addAccessibleSelectionpublic 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 interface- AccessibleSelection
- Parameters:
- i- the zero-based index of selectable items
- See Also:
 
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removeAccessibleSelectionpublic 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 interface- AccessibleSelection
- Parameters:
- i- the zero-based index of selectable items
- See Also:
 
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clearAccessibleSelectionpublic void clearAccessibleSelection()Clears the selection in the object, so that nothing in the object is selected.- Specified by:
- clearAccessibleSelectionin interface- AccessibleSelection
 
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selectAllAccessibleSelectionpublic void selectAllAccessibleSelection()Causes every selected item in the object to be selected if the object supports multiple selections.- Specified by:
- selectAllAccessibleSelectionin interface- AccessibleSelection
 
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getAccessibleActionCountpublic 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 interface- AccessibleAction
- Returns:
- the number of Actions in this object
 
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getAccessibleActionDescriptionReturn 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 interface- AccessibleAction
- Parameters:
- i- zero-based index of the actions
- Returns:
- a description of the action
- See Also:
 
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doAccessibleActionpublic 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 interface- AccessibleAction
- Parameters:
- i- zero-based index of actions
- Returns:
- true if the action was performed; else false.
- See Also:
 
 
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