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

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

static Enumeration

EMPTY_ENUMERATION An enumeration that is always empty.

Method Summary

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 Detail

EMPTY_ENUMERATION

public static final Enumeration EMPTY_ENUMERATION

An enumeration that is always empty.

Method Detail

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