Class Checkbox.AccessibleAWTCheckbox

• java.lang.Object
• • javax.accessibility.AccessibleContext
  • • java.awt.Component.AccessibleAWTComponent
    • • 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

Nested Classes

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

Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler

Fields

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

Constructors

AccessibleAWTCheckbox

public AccessibleAWTCheckbox()

Methods

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

Parameters:

n - the number to use for the value

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