Package org.jdesktop.swingx.tree

Class TreeUtilities

java.lang.Object

org.jdesktop.swingx.tree.TreeUtilities

public class TreeUtilities
extends Object

Contains convenience classes/methods for handling hierarchical Swing structures.

Author:

Jeanette Winzenburg, Berlin

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TreeUtilities.BreadthFirstModelEnumeration	Implementation of a breadthFirst traversal of a subtree in a TreeModel.
static class	TreeUtilities.BreadthFirstNodeEnumeration<M extends TreeNode>	Implementation of a breadthFirst traversal of a subtree with nodes of type TreeNode.
static class	TreeUtilities.PostorderModelEnumeration	Implementation of a postorder traversal of a subtree in a TreeModel.
static class	TreeUtilities.PostorderNodeEnumeration<M extends TreeNode>	Implementation of a postorder traversal of a subtree with nodes of type TreeNode.
static class	TreeUtilities.PreorderModelEnumeration	Implementation of a preorder traversal of a TreeModel.
static class	TreeUtilities.PreorderNodeEnumeration<M extends TreeNode>	Implementation of a preorder traversal of a subtree with nodes of type TreeNode.

Field Summary

Fields

Modifier and Type	Field	Description
static final Enumeration	EMPTY_ENUMERATION	An enumeration that is always empty.

Method Summary

Modifier and Type	Method	Description
static Enumeration	children(TreeModel model)	Creates and returns an Enumeration across the direct children of the rootNode in the given TreeModel.
static Enumeration	children(TreeModel model, Object parent)	Creates and returns an Enumeration across the direct children of parentNode in the given TreeModel.

Methods inherited from class java.lang.Object

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

Field Details

EMPTY_ENUMERATION

public static final Enumeration EMPTY_ENUMERATION

An enumeration that is always empty.

Method Details

children

public static Enumeration children(TreeModel model)

Creates and returns an Enumeration across the direct children of the rootNode in the given TreeModel.

Parameters:

model - the TreeModel which contains parent, must not be null

Returns:

an Enumeration across the direct children of the model's root, the enumeration is empty if the root is null or contains no children

children

public static Enumeration children(TreeModel model,
 Object parent)

Creates and returns an Enumeration across the direct children of parentNode in the given TreeModel.

Parameters:

model - the TreeModel which contains parent, must not be null

parent - the parent of the enumerated children

Returns:

an Enumeration across the direct children of parent, the enumeration is empty if the parent is null or contains no children