Interface javax.help.HelpHistoryModel
- Implementing Classes: 
- DefaultHelpHistoryModel
- public interface HelpHistoryModel- extends HelpModelListener, java.io.Serializable
The interface to the history model.
addHelpHistoryModelListener
public void addHelpHistoryModelListener(HelpHistoryModelListener l)
- Adds a listener for the HelpHistoryModelEvent posted after the model has
 changed.- 
- Parameters:
- 
l- The listener to add.
- See Also:
- removeHelpHistoryModelListener
 
removeHelpHistoryModelListener
public void removeHelpHistoryModelListener(HelpHistoryModelListener l)
- Removes a listener previously added with addHelpHistoryModelListener- 
- Parameters:
- 
l- The listener to remove.
- See Also:
- addHelpHistoryModelListener
 
discard
public void discard()
- Discards a history- 
 
goForward
public void goForward()
- Sets a next history entry- 
 
goBack
public void goBack()
- Sets a previous history entry- 
 
getBackwardHistory
public java.util.Vector getBackwardHistory()
- Returns a backward history list- 
 
getForwardHistory
public java.util.Vector getForwardHistory()
- Returns a forward history list- 
 
setHistoryEntry
public void setHistoryEntry(int index)
- Sets the current history entry- 
- Parameters:
- 
index- The index of history entry
 
removeHelpSet
public void removeHelpSet(HelpSet hs)
- Removes entries related to removed HelpSet from history- 
- Parameters:
- 
hs- The removed HelpSet
 
getHistory
public java.util.Vector getHistory()
- Returns a history- 
 
getIndex
public int getIndex()
- Returns a current history position- 
- Returns:
- The history index
 
setHelpModel
public void setHelpModel(HelpModel model)
- Sets the HelpModel- 
- Parameters:
- 
model- The HeplModel