com.fg.ftree
Interface FTreeExpansionListener

All Superinterfaces:

java.util.EventListener

public interface FTreeExpansionListener

extends java.util.EventListener

Interface defines an object which listens for the FTree node expansion events - "will expand", "expanded", "will collapse", "collapsed". User code can prevent a node from expansion and collapsion by throwing FCancelException from the nodeWillExpand(FTreeNodeEvent) and nodeWillCollapse(FTreeNodeEvent) methods.

Version:

1.0

Author:

Felix Golubov

See Also:

FTreeNodeEvent, FCancelException, FTree

Method Summary

void	nodeCollapsed(FTreeNodeEvent e)
void	nodeExpanded(FTreeNodeEvent e)
void	nodeWillCollapse(FTreeNodeEvent e)
void	nodeWillExpand(FTreeNodeEvent e)

Method Detail

nodeWillExpand

public void nodeWillExpand(FTreeNodeEvent e)
                    throws FCancelException

Throws:

FCancelException

nodeWillCollapse

public void nodeWillCollapse(FTreeNodeEvent e)
                      throws FCancelException

Throws:

FCancelException

nodeExpanded

public void nodeExpanded(FTreeNodeEvent e)

nodeCollapsed

public void nodeCollapsed(FTreeNodeEvent e)