java.awt.List.AccessibleAWTList.AccessibleAWTListChild

All Implemented Interfaces:: Serializable, Accessible, AccessibleComponent

Enclosing class:: List.AccessibleAWTList

protected class List.AccessibleAWTList.AccessibleAWTListChild
extends Component.AccessibleAWTComponent
implements Accessible

This class implements accessibility support for List children. It provides an implementation of the Java Accessibility API appropriate to list children user-interface elements.

Since:: 1.3
See Also:: Serialized Form

Nested Class Summary

Nested classes/interfaces declared in class java.awt.Component.AccessibleAWTComponent
Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler
Field Summary

Fields declared in class java.awt.Component.AccessibleAWTComponent
accessibleAWTComponentHandler, accessibleAWTFocusHandler

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, accessibleParent

Constructor Summary

Constructors
Constructor	Description
`AccessibleAWTListChild(List parent, int indexInParent)`	Constructs new `AccessibleAWTListChild` with the given parent `List` and 0-based index of this object in the parent.

Method Summary

Modifier and Type	Method	Description
`void`	`addFocusListener(FocusListener l)`	Adds the specified focus listener to receive focus events from this component.
`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.
`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 of the object.
`AccessibleContext`	`getAccessibleContext()`	Gets the AccessibleContext for this object.
`int`	`getAccessibleIndexInParent()`	Get the 0-based index of this object in its accessible parent.
`AccessibleRole`	`getAccessibleRole()`	Get the role of this object.
`AccessibleStateSet`	`getAccessibleStateSet()`	Get the state set of this object.
`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()`	Get the Cursor of this object.
`Font`	`getFont()`	Get the Font of this object.
`FontMetrics`	`getFontMetrics(Font f)`	Get 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.
`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`	`isEnabled()`	Determine if the object is enabled.
`boolean`	`isFocusTraversable()`	Returns whether this object can accept focus or not.
`boolean`	`isShowing()`	Determine if the object is showing.
`boolean`	`isVisible()`	Determine if the object is visible.
`void`	`removeFocusListener(FocusListener l)`	Removes the specified focus listener so it no longer receives focus events from this component.
`void`	`requestFocus()`	Requests focus for 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 cursor)`	Set the Cursor of this object.
`void`	`setEnabled(boolean b)`	Set the enabled state of the object.
`void`	`setFont(Font f)`	Set the Font of this object.
`void`	`setForeground(Color c)`	Set 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)`	Set the visible state of the object.

Methods declared in class java.awt.Component.AccessibleAWTComponent

addPropertyChangeListener, getAccessibleComponent, getAccessibleDescription, getAccessibleName, getAccessibleParent, removePropertyChangeListener

Methods declared in class javax.accessibility.AccessibleContext

firePropertyChange, getAccessibleAction, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleSelection, getAccessibleTable, getAccessibleText, getAccessibleValue, setAccessibleDescription, setAccessibleName, setAccessibleParent

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- AccessibleAWTListChild
  
  public AccessibleAWTListChild(List parent, int indexInParent)
  
  Constructs new AccessibleAWTListChild with the given parent List and 0-based index of this object in the parent.
  
  Parameters:
  
  parent - the parent List
  
  indexInParent - the index in the parent
Method Details
- getAccessibleContext
  
  public AccessibleContext getAccessibleContext()
  
  Gets the AccessibleContext for this object. In the implementation of the Java Accessibility API for this class, return this object, which acts as its own AccessibleContext.
  
  Specified by:
  
  getAccessibleContext in interface Accessible
  
  Returns:
  
  this object
- getAccessibleRole
  
  public AccessibleRole getAccessibleRole()
  
  Get the role of this object.
  
  Overrides:
  
  getAccessibleRole in class Component.AccessibleAWTComponent
  
  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. The AccessibleStateSet of an object is composed of a set of unique AccessibleState's. A change in the AccessibleStateSet of an object will cause a PropertyChangeEvent to be fired for the ACCESSIBLE_STATE_PROPERTY property.
  
  Overrides:
  
  getAccessibleStateSet in class Component.AccessibleAWTComponent
  
  Returns:
  
  an instance of AccessibleStateSet containing the current state set of the object
  
  See Also:
  
  AccessibleStateSet, AccessibleState, Component.AccessibleAWTComponent.addPropertyChangeListener(java.beans.PropertyChangeListener)
- 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.
  
  Overrides:
  
  getLocale in class Component.AccessibleAWTComponent
  
  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.
- getAccessibleIndexInParent
  
  public int getAccessibleIndexInParent()
  
  Get the 0-based index of this object in its accessible parent.
  
  Overrides:
  
  getAccessibleIndexInParent in class Component.AccessibleAWTComponent
  
  Returns:
  
  the 0-based index of this object in its parent; -1 if this object does not have an accessible parent.
  
  See Also:
  
  Component.AccessibleAWTComponent.getAccessibleParent(), getAccessibleChildrenCount(), getAccessibleChild(int)
- getAccessibleChildrenCount
  
  public int getAccessibleChildrenCount()
  
  Returns the number of accessible children of the object.
  
  Overrides:
  
  getAccessibleChildrenCount in class Component.AccessibleAWTComponent
  
  Returns:
  
  the number of accessible children of the object.
- getAccessibleChild
  
  public Accessible getAccessibleChild(int i)
  
  Return the specified Accessible child of the object. The Accessible children of an Accessible object are zero-based, so the first child of an Accessible child is at index 0, the second child is at index 1, and so on.
  
  Overrides:
  
  getAccessibleChild in class Component.AccessibleAWTComponent
  
  Parameters:
  
  i - zero-based index of child
  
  Returns:
  
  the Accessible child of the object
  
  See Also:
  
  getAccessibleChildrenCount()
- getBackground
  
  public Color getBackground()
  
  Get the background color of this object.
  
  Specified by:
  
  getBackground in interface AccessibleComponent
  
  Overrides:
  
  getBackground in class Component.AccessibleAWTComponent
  
  Returns:
  
  the background color, if supported, of the object; otherwise, null
  
  See Also:
  
  setBackground(java.awt.Color)
- setBackground
  
  public void setBackground(Color c)
  
  Set the background color of this object.
  
  Specified by:
  
  setBackground in interface AccessibleComponent
  
  Overrides:
  
  setBackground in class Component.AccessibleAWTComponent
  
  Parameters:
  
  c - the new Color for the background
  
  See Also:
  
  setBackground(java.awt.Color)
- getForeground
  
  public Color getForeground()
  
  Get the foreground color of this object.
  
  Specified by:
  
  getForeground in interface AccessibleComponent
  
  Overrides:
  
  getForeground in class Component.AccessibleAWTComponent
  
  Returns:
  
  the foreground color, if supported, of the object; otherwise, null
  
  See Also:
  
  setForeground(java.awt.Color)
- setForeground
  
  public void setForeground(Color c)
  
  Set the foreground color of this object.
  
  Specified by:
  
  setForeground in interface AccessibleComponent
  
  Overrides:
  
  setForeground in class Component.AccessibleAWTComponent
  
  Parameters:
  
  c - the new Color for the foreground
  
  See Also:
  
  getForeground()
- getCursor
  
  public Cursor getCursor()
  
  Get the Cursor of this object.
  
  Specified by:
  
  getCursor in interface AccessibleComponent
  
  Overrides:
  
  getCursor in class Component.AccessibleAWTComponent
  
  Returns:
  
  the Cursor, if supported, of the object; otherwise, null
  
  See Also:
  
  setCursor(java.awt.Cursor)
- setCursor
  
  public void setCursor(Cursor cursor)
  
  Set the Cursor of this object.
  The method may have no visual effect if the Java platform implementation and/or the native system do not support changing the mouse cursor shape.
  
  Specified by:
  
  setCursor in interface AccessibleComponent
  
  Overrides:
  
  setCursor in class Component.AccessibleAWTComponent
  
  Parameters:
  
  cursor - the new Cursor for the object
  
  See Also:
  
  getCursor()
- getFont
  
  public Font getFont()
  
  Get the Font of this object.
  
  Specified by:
  
  getFont in interface AccessibleComponent
  
  Overrides:
  
  getFont in class Component.AccessibleAWTComponent
  
  Returns:
  
  the Font,if supported, for the object; otherwise, null
  
  See Also:
  
  setFont(java.awt.Font)
- setFont
  
  public void setFont(Font f)
  
  Set the Font of this object.
  
  Specified by:
  
  setFont in interface AccessibleComponent
  
  Overrides:
  
  setFont in class Component.AccessibleAWTComponent
  
  Parameters:
  
  f - the new Font for the object
  
  See Also:
  
  getFont()
- getFontMetrics
  
  public FontMetrics getFontMetrics(Font f)
  
  Get the FontMetrics of this object.
  
  Specified by:
  
  getFontMetrics in interface AccessibleComponent
  
  Overrides:
  
  getFontMetrics in class Component.AccessibleAWTComponent
  
  Parameters:
  
  f - the Font
  
  Returns:
  
  the FontMetrics, if supported, the object; otherwise, null
  
  See Also:
  
  getFont()
- isEnabled
  
  public boolean isEnabled()
  
  Determine if the object is enabled. Objects that are enabled will also have the AccessibleState.ENABLED state set in their AccessibleStateSet.
  
  Specified by:
  
  isEnabled in interface AccessibleComponent
  
  Overrides:
  
  isEnabled in class Component.AccessibleAWTComponent
  
  Returns:
  
  true if object is enabled; otherwise, false
  
  See Also:
  
  setEnabled(boolean), AccessibleContext.getAccessibleStateSet(), AccessibleState.ENABLED, AccessibleStateSet
- setEnabled
  
  public void setEnabled(boolean b)
  
  Set the enabled state of the object.
  
  Specified by:
  
  setEnabled in interface AccessibleComponent
  
  Overrides:
  
  setEnabled in class Component.AccessibleAWTComponent
  
  Parameters:
  
  b - if true, enables this object; otherwise, disables it
  
  See Also:
  
  isEnabled()
- isVisible
  
  public boolean isVisible()
  
  Determine 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 AccessibleStateSet.
  
  Specified by:
  
  isVisible in interface AccessibleComponent
  
  Overrides:
  
  isVisible in class Component.AccessibleAWTComponent
  
  Returns:
  
  true if object is visible; otherwise, false
  
  See Also:
  
  setVisible(boolean), AccessibleContext.getAccessibleStateSet(), AccessibleState.VISIBLE, AccessibleStateSet
- setVisible
  
  public void setVisible(boolean b)
  
  Set the visible state of the object.
  
  Specified by:
  
  setVisible in interface AccessibleComponent
  
  Overrides:
  
  setVisible in class Component.AccessibleAWTComponent
  
  Parameters:
  
  b - if true, shows this object; otherwise, hides it
  
  See Also:
  
  isVisible()
- isShowing
  
  public boolean isShowing()
  
  Determine if the object is showing. This is determined by checking the visibility of the object and visibility of the object ancestors. Note: this will return true even if the object is obscured by another (for example, it to object is underneath a menu that was pulled down).
  
  Specified by:
  
  isShowing in interface AccessibleComponent
  
  Overrides:
  
  isShowing in class Component.AccessibleAWTComponent
  
  Returns:
  
  true if object is showing; otherwise, false
- 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
  
  Overrides:
  
  contains in class Component.AccessibleAWTComponent
  
  Parameters:
  
  p - the Point relative to the coordinate system of the object
  
  Returns:
  
  true if object contains Point; otherwise false
  
  See Also:
  
  getBounds()
- getLocationOnScreen
  
  public Point getLocationOnScreen()
  
  Returns the location of the object on the screen.
  
  Specified by:
  
  getLocationOnScreen in interface AccessibleComponent
  
  Overrides:
  
  getLocationOnScreen in class Component.AccessibleAWTComponent
  
  Returns:
  
  location of object on screen; null if this object is not on the screen
  
  See Also:
  
  getBounds(), getLocation()
- 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
  
  Overrides:
  
  getLocation in class Component.AccessibleAWTComponent
  
  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:
  
  getBounds(), getLocationOnScreen()
- setLocation
  
  public void setLocation(Point p)
  
  Sets the location of the object relative to the parent.
  
  Specified by:
  
  setLocation in interface AccessibleComponent
  
  Overrides:
  
  setLocation in class Component.AccessibleAWTComponent
  
  Parameters:
  
  p - the new position for the top-left corner
  
  See Also:
  
  getLocation()
- getBounds
  
  public Rectangle getBounds()
  
  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
  
  Overrides:
  
  getBounds in class Component.AccessibleAWTComponent
  
  Returns:
  
  A rectangle indicating this component's bounds; null if this object is not on the screen.
  
  See Also:
  
  contains(java.awt.Point)
- setBounds
  
  public void setBounds(Rectangle r)
  
  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
  
  Overrides:
  
  setBounds in class Component.AccessibleAWTComponent
  
  Parameters:
  
  r - rectangle indicating this component's bounds
  
  See Also:
  
  getBounds()
- getSize
  
  public Dimension getSize()
  
  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
  
  Overrides:
  
  getSize in class Component.AccessibleAWTComponent
  
  Returns:
  
  A Dimension object that indicates the size of this component; null if this object is not on the screen
  
  See Also:
  
  setSize(java.awt.Dimension)
- setSize
  
  public void setSize(Dimension d)
  
  Resizes this object so that it has width and height.
  
  Specified by:
  
  setSize in interface AccessibleComponent
  
  Overrides:
  
  setSize in class Component.AccessibleAWTComponent
  
  Parameters:
  
  d - - The dimension specifying the new size of the object.
  
  See Also:
  
  getSize()
- 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
  
  Overrides:
  
  getAccessibleAt in class Component.AccessibleAWTComponent
  
  Parameters:
  
  p - the point relative to the coordinate system of this object
  
  Returns:
  
  the Accessible, if it exists, at the specified location; otherwise null
- isFocusTraversable
  
  public boolean isFocusTraversable()
  
  Returns whether this object can accept focus or not. Objects that can accept focus will also have the AccessibleState.FOCUSABLE state set in their AccessibleStateSet.
  
  Specified by:
  
  isFocusTraversable in interface AccessibleComponent
  
  Overrides:
  
  isFocusTraversable in class Component.AccessibleAWTComponent
  
  Returns:
  
  true if object can accept focus; otherwise false
  
  See Also:
  
  AccessibleContext.getAccessibleStateSet(), AccessibleState.FOCUSABLE, AccessibleState.FOCUSED, AccessibleStateSet
- requestFocus
  
  public void requestFocus()
  
  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
  
  Overrides:
  
  requestFocus in class Component.AccessibleAWTComponent
  
  See Also:
  
  isFocusTraversable()
- addFocusListener
  
  public void addFocusListener(FocusListener l)
  
  Adds the specified focus listener to receive focus events from this component.
  
  Specified by:
  
  addFocusListener in interface AccessibleComponent
  
  Overrides:
  
  addFocusListener in class Component.AccessibleAWTComponent
  
  Parameters:
  
  l - the focus listener
  
  See Also:
  
  removeFocusListener(java.awt.event.FocusListener)
- 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
  
  Overrides:
  
  removeFocusListener in class Component.AccessibleAWTComponent
  
  Parameters:
  
  l - the focus listener
  
  See Also:
  
  addFocusListener(java.awt.event.FocusListener)

Class List.AccessibleAWTList.AccessibleAWTListChild

Nested Class Summary

Nested classes/interfaces declared in class java.awt.Component.AccessibleAWTComponent

Field Summary

Fields declared in class java.awt.Component.AccessibleAWTComponent

Fields declared in class javax.accessibility.AccessibleContext

Constructor Summary

Method Summary

Methods declared in class java.awt.Component.AccessibleAWTComponent

Methods declared in class javax.accessibility.AccessibleContext

Methods declared in class java.lang.Object

Constructor Details

Method Details