javax.swing

Class JTree.TreeModelHandler

java.lang.Object

javax.swing.JTree.TreeModelHandler

All Implemented Interfaces:

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

Enclosing class:

JTree

protected class JTree.TreeModelHandler
extends java.lang.Object
implements javax.swing.event.TreeModelListener

Listens to the model of the JTree and updates the property expandedState if nodes are removed or changed.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JTree.TreeModelHandler() Creates a new instance of TreeModelHandler.

Method Summary

Methods

Modifier and Type	Method and Description
void	treeNodesChanged(javax.swing.event.TreeModelEvent ev) Notifies when a node has changed in some ways.
void	treeNodesInserted(javax.swing.event.TreeModelEvent ev) Notifies when a node is inserted into the tree.
void	treeNodesRemoved(javax.swing.event.TreeModelEvent ev) Notifies when a node is removed from the tree.
void	treeStructureChanged(javax.swing.event.TreeModelEvent ev) Notifies when the structure of the tree is changed.

Methods inherited from class java.lang.Object

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

Constructor Detail

JTree.TreeModelHandler

protected JTree.TreeModelHandler()

Creates a new instance of TreeModelHandler.

Method Detail

treeNodesChanged

public void treeNodesChanged(javax.swing.event.TreeModelEvent ev)

Notifies when a node has changed in some ways. This does not include that a node has changed its location or changed it's children. It only means that some attributes of the node have changed that might affect its presentation. This method is called after the actual change occured.

Specified by:

treeNodesChanged in interface javax.swing.event.TreeModelListener

Parameters:

ev - the TreeModelEvent describing the change

treeNodesInserted

public void treeNodesInserted(javax.swing.event.TreeModelEvent ev)

Notifies when a node is inserted into the tree. This method is called after the actual change occured.

Specified by:

treeNodesInserted in interface javax.swing.event.TreeModelListener

Parameters:

ev - the TreeModelEvent describing the change

treeNodesRemoved

public void treeNodesRemoved(javax.swing.event.TreeModelEvent ev)

Notifies when a node is removed from the tree. This method is called after the actual change occured.

Specified by:

treeNodesRemoved in interface javax.swing.event.TreeModelListener

Parameters:

ev - the TreeModelEvent describing the change

treeStructureChanged

public void treeStructureChanged(javax.swing.event.TreeModelEvent ev)

Notifies when the structure of the tree is changed. This method is called after the actual change occured.

Specified by:

treeStructureChanged in interface javax.swing.event.TreeModelListener

Parameters:

ev - the TreeModelEvent describing the change