JTree.AccessibleJTree.AccessibleJTreeNode (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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Java^TM 2 Platform
Std. Ed. v1.4.1

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javax.swing
Class JTree.AccessibleJTree.AccessibleJTreeNode

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 Summary

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, accessibleParent

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()


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

Method Detail

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:: getAccessibleContext in interface Accessible

Returns:: this object

getAccessibleName

public String getAccessibleName()

Get the accessible name of this object.

Overrides:: getAccessibleName in class AccessibleContext

Returns:: the localized name of the object; null if this object does not have a name
See Also:: AccessibleContext.setAccessibleName(java.lang.String)

setAccessibleName

public void setAccessibleName(String s)

Set the localized accessible name of this object.

Overrides:: setAccessibleName in class AccessibleContext

Parameters:: s - the new localized name of the object.
See Also:: AccessibleContext.getAccessibleName(), AccessibleContext.addPropertyChangeListener(java.beans.PropertyChangeListener)

getAccessibleDescription

public String getAccessibleDescription()

Get the accessible description of this object.

Overrides:: getAccessibleDescription in class AccessibleContext

Returns:: the localized description of the object; null if this object does not have a description
See Also:: AccessibleContext.setAccessibleDescription(java.lang.String)

setAccessibleDescription

public void setAccessibleDescription(String s)

Set the accessible description of this object.

Overrides:: setAccessibleDescription in class AccessibleContext

Parameters:: s - the new localized description of the object
See Also:: AccessibleContext.setAccessibleName(java.lang.String), AccessibleContext.addPropertyChangeListener(java.beans.PropertyChangeListener)

getAccessibleRole

public AccessibleRole getAccessibleRole()

Get the role of this object.

Specified by:: getAccessibleRole in class AccessibleContext

Returns:: an instance of AccessibleRole describing the role of the object
See Also:: AccessibleRole

getAccessibleStateSet

public AccessibleStateSet getAccessibleStateSet()

Get the state set of this object.

Specified by:: getAccessibleStateSet in class AccessibleContext

Returns:: an instance of AccessibleStateSet containing the current state set of the object
See Also:: AccessibleState

getAccessibleParent

public Accessible getAccessibleParent()

Get the Accessible parent of this object.

Overrides:: getAccessibleParent in class AccessibleContext

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.

Specified by:: getAccessibleIndexInParent in class AccessibleContext

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.

Specified by:: getAccessibleChildrenCount in class AccessibleContext

Returns:: the number of accessible children in the object.

getAccessibleChild

public Accessible getAccessibleChild(int i)

Return the specified Accessible child of the object.

Specified by:: getAccessibleChild in class AccessibleContext

Parameters:: i - zero-based index of child
Returns:: the Accessible child of the object
See Also:: AccessibleContext.getAccessibleChildrenCount()

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:: getLocale in 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:: Component.setLocale(java.util.Locale)

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener l)

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

Overrides:: addPropertyChangeListener in class AccessibleContext

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

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener l)

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

Overrides:: removePropertyChangeListener in class AccessibleContext

Parameters:: l - The PropertyChangeListener to be removed

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:: getAccessibleAction in class AccessibleContext

Returns:: this object
See Also:: AccessibleAction

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:: getAccessibleComponent in class AccessibleContext

Returns:: this object
See Also:: AccessibleComponent

getAccessibleSelection

public AccessibleSelection getAccessibleSelection()

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

Overrides:: getAccessibleSelection in class AccessibleContext

Returns:: the AccessibleSelection, or null
See Also:: AccessibleSelection

getAccessibleText

public AccessibleText getAccessibleText()

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

Overrides:: getAccessibleText in class AccessibleContext

Returns:: the AccessibleText, or null
See Also:: AccessibleText

getAccessibleValue

public AccessibleValue getAccessibleValue()

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

Overrides:: getAccessibleValue in class AccessibleContext

Returns:: the AccessibleValue, or null
See Also:: AccessibleValue

getBackground

public Color getBackground()

Get the background color of this object.

Specified by:: getBackground in interface AccessibleComponent

Returns:: the background color, if supported, of the object; otherwise, null
See Also:: AccessibleComponent.setBackground(java.awt.Color)

setBackground

public void setBackground(Color c)

Set the background color of this object.

Specified by:: setBackground in interface AccessibleComponent

Parameters:: c - the new Color for the background
See Also:: AccessibleComponent.setBackground(java.awt.Color)

getForeground

public Color getForeground()

Get the foreground color of this object.

Specified by:: getForeground in interface AccessibleComponent

Returns:: the foreground color, if supported, of the object; otherwise, null
See Also:: AccessibleComponent.setForeground(java.awt.Color)

setForeground

public void setForeground(Color c)

Description copied from interface: AccessibleComponent

Sets the foreground color of this object.

Specified by:: setForeground in interface AccessibleComponent

Parameters:: c - the new Color for the foreground
See Also:: AccessibleComponent.getForeground()

getCursor

public Cursor getCursor()

Description copied from interface: AccessibleComponent

Gets the Cursor of this object.

Specified by:: getCursor in interface AccessibleComponent

Returns:: the Cursor, if supported, of the object; otherwise, null
See Also:: AccessibleComponent.setCursor(java.awt.Cursor)

setCursor

public void setCursor(Cursor c)

Description copied from interface: AccessibleComponent

Sets the Cursor of this object.

Specified by:: setCursor in interface AccessibleComponent

See Also:: AccessibleComponent.getCursor()

getFont

public Font getFont()

Description copied from interface: AccessibleComponent

Gets the Font of this object.

Specified by:: getFont in interface AccessibleComponent

Returns:: the Font,if supported, for the object; otherwise, null
See Also:: AccessibleComponent.setFont(java.awt.Font)

setFont

public void setFont(Font f)

Description copied from interface: AccessibleComponent

Sets the Font of this object.

Specified by:: setFont in interface AccessibleComponent

Parameters:: f - the new Font for the object
See Also:: AccessibleComponent.getFont()

getFontMetrics

public FontMetrics getFontMetrics(Font f)

Description copied from interface: AccessibleComponent

Gets the FontMetrics of this object.

Specified by:: getFontMetrics in interface AccessibleComponent

Parameters:: f - the Font
Returns:: the FontMetrics, if supported, the object; otherwise, null
See Also:: AccessibleComponent.getFont()

isEnabled

public boolean isEnabled()

Description copied from interface: AccessibleComponent

Determines if the object is enabled. Objects that are enabled will also have the AccessibleState.ENABLED state set in their AccessibleStateSets.

Specified by:: isEnabled in interface AccessibleComponent

Returns:: true if object is enabled; otherwise, false
See Also:: AccessibleComponent.setEnabled(boolean), AccessibleContext.getAccessibleStateSet(), AccessibleState.ENABLED, AccessibleStateSet

setEnabled

public void setEnabled(boolean b)

Description copied from interface: AccessibleComponent

Sets the enabled state of the object.

Specified by:: setEnabled in interface AccessibleComponent

Parameters:: b - if true, enables this object; otherwise, disables it
See Also:: AccessibleComponent.isEnabled()

isVisible

public boolean isVisible()

Description copied from interface: AccessibleComponent

Determines 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, use isShowing().

Objects that are visible will also have the AccessibleState.VISIBLE state set in their AccessibleStateSets.

Specified by:: isVisible in interface AccessibleComponent

Returns:: true if object is visible; otherwise, false
See Also:: AccessibleComponent.setVisible(boolean), AccessibleContext.getAccessibleStateSet(), AccessibleState.VISIBLE, AccessibleStateSet

setVisible

public void setVisible(boolean b)

Description copied from interface: AccessibleComponent

Sets the visible state of the object.

Specified by:: setVisible in interface AccessibleComponent

Parameters:: b - if true, shows this object; otherwise, hides it
See Also:: AccessibleComponent.isVisible()

isShowing

public boolean isShowing()

Description copied from interface: AccessibleComponent

Determines if the object is showing. This is determined by checking the visibility of the object and its ancestors. Note: this will return true even if the object is obscured by another (for example, it is underneath a menu that was pulled down).

Specified by:: isShowing in interface AccessibleComponent

Returns:: true if object is showing; otherwise, false

contains

public boolean contains(Point p)

Description copied from interface: AccessibleComponent

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 relative to the coordinate system of the object
Returns:: true if object contains Point; otherwise false
See Also:: AccessibleComponent.getBounds()

getLocationOnScreen

public Point getLocationOnScreen()

Description copied from interface: AccessibleComponent

Returns the location of the object on the screen.

Specified by:: getLocationOnScreen in interface AccessibleComponent

Returns:: the location of the object on screen; null if this object is not on the screen
See Also:: AccessibleComponent.getBounds(), AccessibleComponent.getLocation()

getLocationInJTree

protected Point getLocationInJTree()

getLocation

public Point getLocation()

Description copied from interface: AccessibleComponent

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:: An instance of Point representing the top-left corner of the object's bounds in the coordinate space of the screen; null if this object or its parent are not on the screen
See Also:: AccessibleComponent.getBounds(), AccessibleComponent.getLocationOnScreen()

setLocation

public void setLocation(Point p)

Description copied from interface: AccessibleComponent

Sets the location of the object relative to the parent.

Specified by:: setLocation in interface AccessibleComponent

Parameters:: p - the new position for the top-left corner
See Also:: AccessibleComponent.getLocation()

getBounds

public Rectangle getBounds()

Description copied from interface: AccessibleComponent

Gets the bounds of this object in the form of a Rectangle object. The bounds specify this object's width, height, and location relative to its parent.

Specified by:: getBounds in interface AccessibleComponent

Returns:: A rectangle indicating this component's bounds; null if this object is not on the screen.
See Also:: AccessibleComponent.contains(java.awt.Point)

setBounds

public void setBounds(Rectangle r)

Description copied from interface: AccessibleComponent

Sets the bounds of this object in the form of a Rectangle object. The bounds specify this object's width, height, and location relative to its parent.

Specified by:: setBounds in interface AccessibleComponent

Parameters:: r - rectangle indicating this component's bounds
See Also:: AccessibleComponent.getBounds()

getSize

public Dimension getSize()

Description copied from interface: AccessibleComponent

Returns the size of this object in the form of a Dimension object. The height field of the Dimension object contains this object's height, and the width field of the Dimension object contains this object's width.

Specified by:: getSize in interface AccessibleComponent

Returns:: A Dimension object that indicates the size of this component; null if this object is not on the screen
See Also:: AccessibleComponent.setSize(java.awt.Dimension)

setSize

public void setSize(Dimension d)

Description copied from interface: AccessibleComponent

Resizes this object so that it has width and height.

Specified by:: setSize in interface AccessibleComponent

Parameters:: d - The dimension specifying the new size of the object.
See Also:: AccessibleComponent.getSize()

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

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()

Description copied from interface: AccessibleComponent

Returns whether this object can accept focus or not. Objects that can accept focus will also have the AccessibleState.FOCUSABLE state set in their AccessibleStateSets.

Specified by:: isFocusTraversable in interface AccessibleComponent

Returns:: true if object can accept focus; otherwise false
See Also:: AccessibleContext.getAccessibleStateSet(), AccessibleState.FOCUSABLE, AccessibleState.FOCUSED, AccessibleStateSet

requestFocus

public void requestFocus()

Description copied from interface: AccessibleComponent

Requests focus for this object. If this object cannot accept focus, nothing will happen. Otherwise, the object will attempt to take focus.

Specified by:: requestFocus in interface AccessibleComponent

See Also:: AccessibleComponent.isFocusTraversable()

addFocusListener

public void addFocusListener(FocusListener l)

Description copied from interface: AccessibleComponent

Adds the specified focus listener to receive focus events from this component.

Specified by:: addFocusListener in interface AccessibleComponent

Parameters:: l - the focus listener
See Also:: AccessibleComponent.removeFocusListener(java.awt.event.FocusListener)

removeFocusListener

public void removeFocusListener(FocusListener l)

Description copied from interface: AccessibleComponent

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
See Also:: AccessibleComponent.addFocusListener(java.awt.event.FocusListener)

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

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 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 AccessibleAction

Parameters:: i - zero-based index of the actions
Returns:: a description of the action
See Also:: AccessibleAction.getAccessibleActionCount()

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 AccessibleAction

Parameters:: i - zero-based index of actions
Returns:: true if the the action was performed; else false.
See Also:: AccessibleAction.getAccessibleActionCount()

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Java^TM 2 Platform
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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()`
`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.

JTree.AccessibleJTree.AccessibleJTreeNode (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

javax.swing Class JTree.AccessibleJTree.AccessibleJTreeNode

JTree.AccessibleJTree.AccessibleJTreeNode

getAccessibleContext

getAccessibleName

setAccessibleName

getAccessibleDescription

setAccessibleDescription

getAccessibleRole

getAccessibleStateSet

getAccessibleParent

getAccessibleIndexInParent

getAccessibleChildrenCount

getAccessibleChild

getLocale

addPropertyChangeListener

removePropertyChangeListener

getAccessibleAction

getAccessibleComponent

getAccessibleSelection

getAccessibleText

getAccessibleValue

getBackground

setBackground

getForeground

setForeground

getCursor

setCursor

getFont

setFont

getFontMetrics

isEnabled

setEnabled

isVisible

setVisible

isShowing

contains

getLocationOnScreen

getLocationInJTree

getLocation

setLocation

getBounds

setBounds

getSize

setSize

getAccessibleAt

isFocusTraversable

requestFocus

addFocusListener

removeFocusListener

getAccessibleSelectionCount

getAccessibleSelection

isAccessibleChildSelected

addAccessibleSelection

removeAccessibleSelection

clearAccessibleSelection

selectAllAccessibleSelection

getAccessibleActionCount

getAccessibleActionDescription

doAccessibleAction

javax.swing
Class JTree.AccessibleJTree.AccessibleJTreeNode