java.awt

Class Button.AccessibleAWTButton

java.lang.Object

javax.accessibility.AccessibleContext

java.awt.Component.AccessibleAWTComponent

java.awt.Button.AccessibleAWTButton

All Implemented Interfaces:

Serializable, AccessibleAction, AccessibleComponent, AccessibleValue

Enclosing class:

Button

protected class Button.AccessibleAWTButton
extends Component.AccessibleAWTComponent
implements AccessibleAction, AccessibleValue

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

Since:

1.3

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.Component.AccessibleAWTComponent

Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler

Field Summary

Fields inherited from class java.awt.Component.AccessibleAWTComponent

accessibleAWTComponentHandler, accessibleAWTFocusHandler

Fields inherited from 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

Fields inherited from interface javax.accessibility.AccessibleAction

CLICK, DECREMENT, INCREMENT, TOGGLE_EXPAND, TOGGLE_POPUP

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AccessibleAWTButton()

Method Summary

Modifier and Type	Method and Description
boolean	doAccessibleAction(int i) Perform the specified Action on the object
AccessibleAction	getAccessibleAction() Get the AccessibleAction associated with this object.
int	getAccessibleActionCount() Returns the number of Actions available in this object.
String	getAccessibleActionDescription(int i) Return a description of the specified action of the object.
String	getAccessibleName() Get the accessible name of this object.
AccessibleRole	getAccessibleRole() Get the role of this object.
AccessibleValue	getAccessibleValue() Get the AccessibleValue associated with this object.
Number	getCurrentAccessibleValue() Get the value of this object as a Number.
Number	getMaximumAccessibleValue() Get the maximum value of this object as a Number.
Number	getMinimumAccessibleValue() Get the minimum value of this object as a Number.
boolean	setCurrentAccessibleValue(Number n) Set the value of this object as a Number.

Methods inherited from class java.awt.Component.AccessibleAWTComponent

addFocusListener, addPropertyChangeListener, contains, getAccessibleAt, getAccessibleChild, getAccessibleChildrenCount, getAccessibleComponent, getAccessibleDescription, getAccessibleIndexInParent, getAccessibleParent, getAccessibleStateSet, 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

Methods inherited from class javax.accessibility.AccessibleContext

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

Methods inherited from class java.lang.Object

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

Constructor Detail

AccessibleAWTButton

protected AccessibleAWTButton()

Method Detail

getAccessibleName

public String getAccessibleName()

Get the accessible name of this object.

Overrides:

getAccessibleName in class Component.AccessibleAWTComponent

Returns:

the localized name of the object -- can be null if this object does not have a name

See Also:

AccessibleContext.setAccessibleName(java.lang.String)

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

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

getAccessibleActionCount

public int getAccessibleActionCount()

Returns the number of Actions available in this object. The default behavior of a button is to have one action - toggle the button.

Specified by:

getAccessibleActionCount in interface AccessibleAction

Returns:

1, the number of Actions in this object

getAccessibleActionDescription

public String getAccessibleActionDescription(int i)

Return a description of the specified action of the object.

Specified by:

getAccessibleActionDescription in interface AccessibleAction

Parameters:

i - zero-based index of the actions

Returns:

a String description of the action

See Also:

AccessibleAction.getAccessibleActionCount()

doAccessibleAction

public boolean doAccessibleAction(int i)

Perform the specified Action on the object

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()

getCurrentAccessibleValue

public Number getCurrentAccessibleValue()

Get the value of this object as a Number.

Specified by:

getCurrentAccessibleValue in interface AccessibleValue

Returns:

An Integer of 0 if this isn't selected or an Integer of 1 if this is selected.

See Also:

AbstractButton.isSelected()

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 value of this object as a Number.

Specified by:

getMinimumAccessibleValue in interface AccessibleValue

Returns:

An Integer of 0.

See Also:

AccessibleValue.getMaximumAccessibleValue()

getMaximumAccessibleValue

public Number getMaximumAccessibleValue()

Get the maximum value of this object as a Number.

Specified by:

getMaximumAccessibleValue in interface AccessibleValue

Returns:

An Integer of 0.

See Also:

AccessibleValue.getMinimumAccessibleValue()

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