eShopper
Class expansionListener

java.lang.Object
  eShopper.expansionListener

All Implemented Interfaces:

java.util.EventListener, javax.swing.event.TreeExpansionListener

public class expansionListener

extends java.lang.Object

implements javax.swing.event.TreeExpansionListener

This keeps track of all the paths in the tree that are set to be expanded

Author:

Jim Laing

Constructor Summary

expansionListener()
constructor

Method Summary

javax.swing.tree.TreePath	getPathAt(int i) Gets the path of a element
int	size() Gets the number of expanded paths
void	treeCollapsed(javax.swing.event.TreeExpansionEvent arg0) Called when a node is collapsed.
void	treeExpanded(javax.swing.event.TreeExpansionEvent arg0) Called when a node is expanded

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

expansionListener

public expansionListener()

constructor

Method Detail

treeCollapsed

public void treeCollapsed(javax.swing.event.TreeExpansionEvent arg0)

Called when a node is collapsed.

Specified by:

treeCollapsed in interface javax.swing.event.TreeExpansionListener

Parameters:

arg0 - a TreeExpansionEvent

treeExpanded

public void treeExpanded(javax.swing.event.TreeExpansionEvent arg0)

Called when a node is expanded

Specified by:

treeExpanded in interface javax.swing.event.TreeExpansionListener

Parameters:

arg0 - a TreeExpansionEvent

size

public int size()

Gets the number of expanded paths

Returns:

an int which is the number of expanded paths

getPathAt

public javax.swing.tree.TreePath getPathAt(int i)

Gets the path of a element

Parameters:

i - the desired index

Returns:

the path at that index