javax.help.event
Class HelpHistoryModelEvent

java.lang.Object
  |
  +--java.util.EventObject
        |
        +--javax.help.event.HelpHistoryModelEvent
All Implemented Interfaces:
java.io.Serializable

public class HelpHistoryModelEvent
extends java.util.EventObject

Notifies interested parties that a change in a Help History Model source has occurred.

See Also:
Serialized Form

Constructor Summary
HelpHistoryModelEvent(java.lang.Object source, boolean previous, boolean next)
          Represents a history change
 
Method Summary
 boolean isNext()
          Returns if action "next" is allowed
 boolean isPrevious()
          Returns if action "previous" is allowed.
 
Methods inherited from class java.util.EventObject
getSource, toString
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

HelpHistoryModelEvent

public HelpHistoryModelEvent(java.lang.Object source,
                             boolean previous,
                             boolean next)
Represents a history change

Parameters:
source - The source for this event.
previous - If true a previous action is allowed.
next - If true a next action is allowed.
Throws:
java.lang.IllegalArgumentException - if source is null.
Method Detail

isPrevious

public boolean isPrevious()
Returns if action "previous" is allowed.

Returns:
True if action is allowed, false otherwise.

isNext

public boolean isNext()
Returns if action "next" is allowed

Returns:
True if action is allowed, false otherwise.