Class Scrollbar.AccessibleAWTScrollBar

java.lang.Object

javax.accessibility.AccessibleContext

java.awt.Component.AccessibleAWTComponent

java.awt.Scrollbar.AccessibleAWTScrollBar

All Implemented Interfaces:

Serializable, AccessibleComponent, AccessibleValue

Enclosing class:

Scrollbar

protected class Scrollbar.AccessibleAWTScrollBar
extends Component.AccessibleAWTComponent
implements AccessibleValue

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

Since:

1.3

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces declared in class Component.AccessibleAWTComponent

Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler

Modifier and Type	Class	Description
protected class	Component.AccessibleAWTComponent.AccessibleAWTComponentHandler	Fire PropertyChange listener, if one is registered, when shown/hidden..
protected class	Component.AccessibleAWTComponent.AccessibleAWTFocusHandler	Fire PropertyChange listener, if one is registered, when focus events happen

Field Summary

Fields declared in class Component.AccessibleAWTComponent

accessibleAWTComponentHandler, accessibleAWTFocusHandler

Modifier and Type	Field	Description
protected ComponentListener	accessibleAWTComponentHandler	A component listener to track show/hide/resize events and convert them to PropertyChange events.
protected FocusListener	accessibleAWTFocusHandler	A listener to track focus events and convert them to PropertyChange events.

Fields declared in class 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

Modifier and Type	Field	Description
static final String	ACCESSIBLE_ACTION_PROPERTY	Constant used to indicate that the supported set of actions has changed.
static final String	ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY	Constant used to determine when the active descendant of a component has changed.
static final String	ACCESSIBLE_CARET_PROPERTY	Constant used to determine when the accessibleText caret has changed.
static final String	ACCESSIBLE_CHILD_PROPERTY	Constant used to determine when Accessible children are added/removed from the object.
static final String	ACCESSIBLE_COMPONENT_BOUNDS_CHANGED	PropertyChangeEvent which indicates that a change has occurred in a component's bounds.
static final String	ACCESSIBLE_DESCRIPTION_PROPERTY	Constant used to determine when the AccessibleContext.accessibleDescription property has changed.
static final String	ACCESSIBLE_HYPERTEXT_OFFSET	Constant used to indicate that a hypertext element has received focus.
static final String	ACCESSIBLE_INVALIDATE_CHILDREN	PropertyChangeEvent which indicates that a significant change has occurred to the children of a component like a tree or text.
static final String	ACCESSIBLE_NAME_PROPERTY	Constant used to determine when the AccessibleContext.accessibleName property has changed.
static final String	ACCESSIBLE_SELECTION_PROPERTY	Constant used to determine when the accessibleSelection has changed.
static final String	ACCESSIBLE_STATE_PROPERTY	Constant used to determine when the accessibleStateSet property has changed.
static final String	ACCESSIBLE_TABLE_CAPTION_CHANGED	Constant used to indicate that the table caption has changed.
static final String	ACCESSIBLE_TABLE_COLUMN_DESCRIPTION_CHANGED	Constant used to indicate that the column description has changed.
static final String	ACCESSIBLE_TABLE_COLUMN_HEADER_CHANGED	Constant used to indicate that the column header has changed.
static final String	ACCESSIBLE_TABLE_MODEL_CHANGED	Constant used to indicate that table data has changed.
static final String	ACCESSIBLE_TABLE_ROW_DESCRIPTION_CHANGED	Constant used to indicate that the row description has changed.
static final String	ACCESSIBLE_TABLE_ROW_HEADER_CHANGED	Constant used to indicate that the row header has changed.
static final String	ACCESSIBLE_TABLE_SUMMARY_CHANGED	Constant used to indicate that the table summary has changed.
static final String	ACCESSIBLE_TEXT_ATTRIBUTES_CHANGED	PropertyChangeEvent which indicates that text attributes have changed.
static final String	ACCESSIBLE_TEXT_PROPERTY	PropertyChangeEvent which indicates that text has changed.
static final String	ACCESSIBLE_VALUE_PROPERTY	Constant used to determine when the accessibleValue property has changed.
static final String	ACCESSIBLE_VISIBLE_DATA_PROPERTY	Constant used to determine when the visual appearance of the object has changed.
protected String	accessibleDescription	A localized String containing the description of the object.
protected String	accessibleName	A localized String containing the name of the object.
protected Accessible	accessibleParent	The accessible parent of this object.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AccessibleAWTScrollBar()	Constructs an AccessibleAWTScrollBar.

Method Summary

Modifier and Type	Method	Description
AccessibleRole	getAccessibleRole()	Get the role of this object.
AccessibleStateSet	getAccessibleStateSet()	Get the state set of this object.
AccessibleValue	getAccessibleValue()	Get the AccessibleValue associated with this object.
Number	getCurrentAccessibleValue()	Get the accessible value of this object.
Number	getMaximumAccessibleValue()	Get the maximum accessible value of this object.
Number	getMinimumAccessibleValue()	Get the minimum accessible value of this object.
boolean	setCurrentAccessibleValue(Number n)	Set the value of this object as a Number.

Methods declared in class Component.AccessibleAWTComponent

addFocusListener, addPropertyChangeListener, contains, getAccessibleAt, getAccessibleChild, getAccessibleChildrenCount, getAccessibleComponent, getAccessibleDescription, getAccessibleIndexInParent, getAccessibleName, getAccessibleParent, getBackground, getBounds, getCursor, getFont, getFontMetrics, getForeground, getLocale, getLocation, getLocationOnScreen, getSize, isEnabled, isFocusTraversable, isShowing, isVisible, removeFocusListener, removePropertyChangeListener, requestFocus, setBackground, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible

Modifier and Type	Method	Description
void	addFocusListener(FocusListener l)	Adds the specified focus listener to receive focus events from this component.
void	addPropertyChangeListener(PropertyChangeListener listener)	Adds a PropertyChangeListener to the listener list.
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)	Returns the nth Accessible child of the object.
int	getAccessibleChildrenCount()	Returns the number of accessible children in the object.
AccessibleComponent	getAccessibleComponent()	Gets the AccessibleComponent associated with this object if one exists.
String	getAccessibleDescription()	Gets the accessible description of this object.
int	getAccessibleIndexInParent()	Gets the index of this object in its accessible parent.
String	getAccessibleName()	Gets the accessible name of this object.
Accessible	getAccessibleParent()	Gets the Accessible parent of this object.
Color	getBackground()	Gets 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()	Gets the foreground color of this object.
Locale	getLocale()	Returns the locale of this object.
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()	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	removeFocusListener(FocusListener l)	Removes the specified focus listener so it no longer receives focus events from this component.
void	removePropertyChangeListener(PropertyChangeListener listener)	Remove a PropertyChangeListener from the listener list.
void	requestFocus()	Requests focus for this object.
void	setBackground(Color c)	Sets 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)	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 declared in class AccessibleContext

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

Modifier and Type	Method	Description
void	firePropertyChange(String propertyName, Object oldValue, Object newValue)	Support for reporting bound property changes.
AccessibleAction	getAccessibleAction()	Gets the AccessibleAction associated with this object that supports one or more actions.
AccessibleEditableText	getAccessibleEditableText()	Gets the AccessibleEditableText associated with this object presenting editable text on the display.
AccessibleIcon[]	getAccessibleIcon()	Gets the AccessibleIcons associated with an object that has one or more associated icons.
AccessibleRelationSet	getAccessibleRelationSet()	Gets the AccessibleRelationSet associated with an object.
AccessibleSelection	getAccessibleSelection()	Gets the AccessibleSelection associated with this object which allows its Accessible children to be selected.
AccessibleTable	getAccessibleTable()	Gets the AccessibleTable associated with an object.
AccessibleText	getAccessibleText()	Gets the AccessibleText associated with this object presenting text on the display.
void	setAccessibleDescription(String s)	Sets the accessible description of this object.
void	setAccessibleName(String s)	Sets the localized accessible name of this object.
void	setAccessibleParent(Accessible a)	Sets the Accessible parent of this object.

Methods declared in class Object

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

Modifier and Type	Method	Description
protected Object	clone()	Creates and returns a copy of this object.
boolean	equals(Object obj)	Indicates whether some other object is "equal to" this one.
protected void	finalize()	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
final Class<?>	getClass()	Returns the runtime class of this Object.
int	hashCode()	Returns a hash code value for this object.
final void	notify()	Wakes up a single thread that is waiting on this object's monitor.
final void	notifyAll()	Wakes up all threads that are waiting on this object's monitor.
String	toString()	Returns a string representation of the object.
final void	wait()	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void	wait(long timeoutMillis)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void	wait(long timeoutMillis, int nanos)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Constructor Details

AccessibleAWTScrollBar

protected AccessibleAWTScrollBar()

Constructs an AccessibleAWTScrollBar.

Method Details

getAccessibleStateSet

public AccessibleStateSet getAccessibleStateSet()

Get the state set of this object.

Overrides:

getAccessibleStateSet in class Component.AccessibleAWTComponent

Returns:

an instance of AccessibleState containing the current state of the object

See Also:

• AccessibleState

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

getAccessibleValue

public AccessibleValue getAccessibleValue()

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

Overrides:

getAccessibleValue in class AccessibleContext

Returns:

this object

See Also:

• AccessibleValue

getCurrentAccessibleValue

public Number getCurrentAccessibleValue()

Get the accessible value of this object.

Specified by:

getCurrentAccessibleValue in interface AccessibleValue

Returns:

The current value of this object.

See Also:

• AccessibleValue.setCurrentAccessibleValue(Number)

setCurrentAccessibleValue

public boolean setCurrentAccessibleValue(Number n)

Set the value of this object as a Number.

Specified by:

setCurrentAccessibleValue in interface AccessibleValue

Parameters:

n - the number to use for the value

Returns:

True if the value was set.

See Also:

• AccessibleValue.getCurrentAccessibleValue()

getMinimumAccessibleValue

public Number getMinimumAccessibleValue()

Get the minimum accessible value of this object.

Specified by:

getMinimumAccessibleValue in interface AccessibleValue

Returns:

The minimum value of this object.

See Also:

• AccessibleValue.getMaximumAccessibleValue()

getMaximumAccessibleValue

public Number getMaximumAccessibleValue()

Get the maximum accessible value of this object.

Specified by:

getMaximumAccessibleValue in interface AccessibleValue

Returns:

The maximum value of this object.

See Also:

• AccessibleValue.getMinimumAccessibleValue()