java.awt
Class Button.AccessibleAWTButton

java.lang.Object
  extended byjavax.accessibility.AccessibleContext
      extended byjava.awt.Component.AccessibleAWTComponent
          extended byjava.awt.Button.AccessibleAWTButton
All Implemented Interfaces:
javax.accessibility.AccessibleAction, javax.accessibility.AccessibleComponent, javax.accessibility.AccessibleValue, Serializable
Enclosing class:
Button

protected class Button.AccessibleAWTButton
extends Component.AccessibleAWTComponent
implements javax.accessibility.AccessibleAction, javax.accessibility.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.

See Also:
Serialized Form

Nested Class Summary
 
Nested classes 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_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
protected Button.AccessibleAWTButton()
           
 
Method Summary
 boolean doAccessibleAction(int i)
          Perform the specified Action on the object
 javax.accessibility.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.
 javax.accessibility.AccessibleRole getAccessibleRole()
          Get the role of this object.
 javax.accessibility.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

Button.AccessibleAWTButton

protected Button.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 javax.accessibility.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.

Returns:
this object

getAccessibleValue

public javax.accessibility.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.

Returns:
this object

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 javax.accessibility.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 javax.accessibility.AccessibleAction
Parameters:
i - zero-based index of the actions

doAccessibleAction

public boolean doAccessibleAction(int i)
Perform the specified Action on the object

Specified by:
doAccessibleAction in interface javax.accessibility.AccessibleAction
Parameters:
i - zero-based index of actions
Returns:
true if the the action was performed; else false.

getCurrentAccessibleValue

public Number getCurrentAccessibleValue()
Get the value of this object as a Number.

Specified by:
getCurrentAccessibleValue in interface javax.accessibility.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 javax.accessibility.AccessibleValue
Returns:
True if the value was set.

getMinimumAccessibleValue

public Number getMinimumAccessibleValue()
Get the minimum value of this object as a Number.

Specified by:
getMinimumAccessibleValue in interface javax.accessibility.AccessibleValue
Returns:
An Integer of 0.

getMaximumAccessibleValue

public Number getMaximumAccessibleValue()
Get the maximum value of this object as a Number.

Specified by:
getMaximumAccessibleValue in interface javax.accessibility.AccessibleValue
Returns:
An Integer of 0.

getAccessibleRole

public javax.accessibility.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