Class javax.help.event.HelpHistoryModelEvent
java.lang.Object
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+----java.util.EventObject
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+----javax.help.event.HelpHistoryModelEvent
- public class HelpHistoryModelEvent
- extends java.util.EventObject
Notifies interested parties that a change in a
Help History Model source has occurred.
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.