Class DefaultTreeModel

java.lang.Object

javax.swing.tree.DefaultTreeModel

All Implemented Interfaces:

Serializable, TreeModel

public class DefaultTreeModel
extends Object
implements Serializable, TreeModel

A simple tree data model that uses TreeNodes. For further information and examples that use DefaultTreeModel, see How to Use Trees in The Java Tutorial.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans has been added to the java.beans package. Please see XMLEncoder.

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	asksAllowsChildren	Determines how the isLeaf method figures out if a node is a leaf node.
protected EventListenerList	listenerList	Listeners.
protected TreeNode	root	Root of the tree.

Constructor Summary

Constructors

Constructor	Description
DefaultTreeModel(TreeNode root)	Creates a tree in which any node can have children.
DefaultTreeModel(TreeNode root, boolean asksAllowsChildren)	Creates a tree specifying whether any node can have children, or whether only certain nodes can have children.

Method Summary

Modifier and Type

Method

Description

void

addTreeModelListener(TreeModelListener l)

Adds a listener for the TreeModelEvent posted after the tree changes.

boolean

asksAllowsChildren()

Tells how leaf nodes are determined.

protected void

fireTreeNodesChanged(Object source, Object[] path, int[] childIndices, Object[] children)

Notifies all listeners that have registered interest for notification on this event type.

protected void

fireTreeNodesInserted(Object source, Object[] path, int[] childIndices,