javax.help.event
Class HelpHistoryModelEvent
java.lang.Object
   java.util.EventObject
java.util.EventObject
       javax.help.event.HelpHistoryModelEvent
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 | 
 
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.
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.