Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Interface AccessibleAction - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
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javax.accessibility
Interface AccessibleAction

All Known Implementing Classes:: AccessibleHyperlink, JTree.AccessibleJTree.AccessibleJTreeNode, AbstractButton.AccessibleAbstractButton, JComboBox.AccessibleJComboBox

public interface AccessibleAction

The AccessibleAction interface should be supported by any object that can perform one or more actions. This interface provides the standard mechanism for an assistive technology to determine what those actions are as well as tell the object to perform those actions. Any object that can be manipulated should support this interface. Applications can determine if an object supports the AccessibleAction interface by first obtaining its AccessibleContext (see Accessible) and then calling the AccessibleContext.getAccessibleAction() method. If the return value is not null, the object supports this interface.

See Also:: Accessible, Accessible.getAccessibleContext(), AccessibleContext, AccessibleContext.getAccessibleAction()

Method Summary

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

int getAccessibleActionCount()
          Returns the number of accessible actions available in this object If there are more than one, the first one is considered the "default" action of the object.

String getAccessibleActionDescription(int i)
          Returns a description of the specified action of the object.

Method Detail

getAccessibleActionCount

public int getAccessibleActionCount()

Returns the number of accessible actions available in this object If there are more than one, the first one is considered the "default" action of the object.

Returns:: the zero-based number of Actions in this object

getAccessibleActionDescription

public String getAccessibleActionDescription(int i)

Returns a description of the specified action of the object.

Parameters:: i - zero-based index of the actions
Returns:: a String description of the action
See Also:: getAccessibleActionCount()

doAccessibleAction

public boolean doAccessibleAction(int i)

Perform the specified Action on the object

Parameters:: i - zero-based index of actions
Returns:: true if the the action was performed; else false.
See Also:: getAccessibleActionCount()