org.annotation.agschema.graphics.vtree
Interface VTreeExpansionState

All Superinterfaces:

java.util.EventListener, java.beans.PropertyChangeListener

All Known Implementing Classes:

VTreeExpansionStateImpl

public interface VTreeExpansionState

extends java.beans.PropertyChangeListener

Maintains the state of expansion/collapse of the nodes in a tree from the perspective of viewing.

Author:

nikhild

Method Summary

void	addListener(VTreeExpansionListener l) Add a listener to receive notification of events
void	collapse(javax.swing.tree.TreeNode node) Collapses a node.
void	expand(javax.swing.tree.TreeNode node) Expands a node
javax.swing.tree.TreeNode	getRoot() Get the root of the tree
boolean	isCollapsed(javax.swing.tree.TreeNode node) Returns true iff the node is collapsed
boolean	isExpanded(javax.swing.tree.TreeNode node) Returns true iff the node is expanded
boolean	isHidden(javax.swing.tree.TreeNode node) Returns true iff an ancestor of the node is collapsed.
void	removeListener(VTreeExpansionListener l) Remove the listener

Methods inherited from interface java.beans.PropertyChangeListener

propertyChange

Method Detail

addListener

public void addListener(VTreeExpansionListener l)

Add a listener to receive notification of events

Parameters:

l - the listener to add

removeListener

public void removeListener(VTreeExpansionListener l)

Remove the listener

Parameters:

l - the listener to remove

getRoot

public javax.swing.tree.TreeNode getRoot()

Get the root of the tree

isExpanded

public boolean isExpanded(javax.swing.tree.TreeNode node)

Returns true iff the node is expanded

isCollapsed

public boolean isCollapsed(javax.swing.tree.TreeNode node)

Returns true iff the node is collapsed

isHidden

public boolean isHidden(javax.swing.tree.TreeNode node)

Returns true iff an ancestor of the node is collapsed.

expand

public void expand(javax.swing.tree.TreeNode node)

Expands a node

collapse

public void collapse(javax.swing.tree.TreeNode node)

Collapses a node.