edu.northwestern.at.utils.swing
Class SortedTreeModel

java.lang.Object
  javax.swing.tree.DefaultTreeModel
      edu.northwestern.at.utils.swing.SortedTreeModel

All Implemented Interfaces:

java.io.Serializable, javax.swing.tree.TreeModel

public class SortedTreeModel
extends javax.swing.tree.DefaultTreeModel

Sorted tree model.

This class extends DefaultTreeModel to support sorted trees.

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.swing.tree.DefaultTreeModel

asksAllowsChildren, listenerList, root

Constructor Summary

SortedTreeModel(SortedTreeNode root)
Creates a tree in which any node can have children.

SortedTreeModel(SortedTreeNode root, boolean asksAllowsChildren)
Creates a tree specifying whether any node can have children, or whether only certain nodes can have children.

Method Summary

int	getNodeCount() Gets the node count.
void	insertNodeInto(javax.swing.tree.MutableTreeNode newChild, javax.swing.tree.MutableTreeNode parent, int index) Prohibits attempts to add children at specific locations.
void	insertNodeInto(SortedTreeNode newChild, SortedTreeNode parent) Adds a new child node, in the proper sorted position.
void	valueForPathChanged(javax.swing.tree.TreePath path, java.lang.Object newValue) Prohibits attempts to set a new node value.

Methods inherited from class javax.swing.tree.DefaultTreeModel

addTreeModelListener, asksAllowsChildren, fireTreeNodesChanged, fireTreeNodesInserted, fireTreeNodesRemoved, fireTreeStructureChanged, getChild, getChildCount, getIndexOfChild, getListeners, getPathToRoot, getPathToRoot, getRoot, getTreeModelListeners, isLeaf, nodeChanged, nodesChanged, nodeStructureChanged, nodesWereInserted, nodesWereRemoved, reload, reload, removeNodeFromParent, removeTreeModelListener, setAsksAllowsChildren, setRoot

Methods inherited from class java.lang.Object

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

Constructor Detail

SortedTreeModel

public SortedTreeModel(SortedTreeNode root)

Creates a tree in which any node can have children.

Parameters:

root - The root of the tree.

SortedTreeModel

public SortedTreeModel(SortedTreeNode root,
                       boolean asksAllowsChildren)

Creates a tree specifying whether any node can have children, or whether only certain nodes can have children.

Parameters:

root - The root of the tree.

asksAllowsChildren - See Sun's javadoc.

Method Detail

insertNodeInto

public void insertNodeInto(SortedTreeNode newChild,
                           SortedTreeNode parent)

Adds a new child node, in the proper sorted position.

Parameters:

newChild - The new child node.

parent - The parent node.

getNodeCount

public int getNodeCount()

Gets the node count.

Returns:

The total number of nodes in the tree, not counting the root node.

insertNodeInto

public void insertNodeInto(javax.swing.tree.MutableTreeNode newChild,
                           javax.swing.tree.MutableTreeNode parent,
                           int index)

Prohibits attempts to add children at specific locations.

Overrides:

insertNodeInto in class javax.swing.tree.DefaultTreeModel

Throws:

java.lang.UnsupportedOperationException

valueForPathChanged

public void valueForPathChanged(javax.swing.tree.TreePath path,
                                java.lang.Object newValue)

Prohibits attempts to set a new node value.

Specified by:

valueForPathChanged in interface javax.swing.tree.TreeModel

Overrides:

valueForPathChanged in class javax.swing.tree.DefaultTreeModel

Throws:

java.lang.UnsupportedOperationException