Java™ Platform
Standard Ed. 6

java.awt
Class Checkbox.AccessibleAWTCheckbox

java.lang.Object
  extended by javax.accessibility.AccessibleContext
      extended by java.awt.Component.AccessibleAWTComponent
          extended by java.awt.Checkbox.AccessibleAWTCheckbox
All Implemented Interfaces:
ItemListener, Serializable, EventListener, AccessibleAction, AccessibleComponent, AccessibleValue
Enclosing class:
Checkbox

protected class Checkbox.AccessibleAWTCheckbox
extends Component.AccessibleAWTComponent
implements ItemListener, AccessibleAction, AccessibleValue

This class implements accessibility support for the Checkbox class. It provides an implementation of the Java Accessibility API appropriate to checkbox 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
Checkbox.AccessibleAWTCheckbox()
           
 
Method Summary
 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.
 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 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.
 void itemStateChanged(ItemEvent e)
          Fire accessible property change events when the state of the toggle button changes.
 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, 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
 
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

Checkbox.AccessibleAWTCheckbox

public Checkbox.AccessibleAWTCheckbox()
Method Detail

itemStateChanged

public void itemStateChanged(ItemEvent e)
Fire accessible property change events when the state of the toggle button changes.

Specified by:
itemStateChanged in interface ItemListener

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. If there is more than one, the first one is the "default" action.

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 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. If the value has not been set, the return value will be null.

Specified by:
getCurrentAccessibleValue in interface AccessibleValue
Returns:
value of the object
See Also:
setCurrentAccessibleValue(java.lang.Number)

setCurrentAccessibleValue

public boolean setCurrentAccessibleValue(Number n)
Set the value of this object as a Number.

Specified by:
setCurrentAccessibleValue in interface AccessibleValue
Returns:
True if the value was set; else False
See Also:
getCurrentAccessibleValue()

getMinimumAccessibleValue

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

Specified by:
getMinimumAccessibleValue in interface AccessibleValue
Returns:
Minimum value of the object; null if this object does not have a minimum value
See Also:
getMaximumAccessibleValue()

getMaximumAccessibleValue

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

Specified by:
getMaximumAccessibleValue in interface AccessibleValue
Returns:
Maximum value of the object; null if this object does not have a maximum value
See Also:
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

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

Java™ Platform
Standard Ed. 6

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