Java Utililty Methods JTree Path

List of utility methods to do JTree Path

  1. HOME
  2. Java
  3. J
  4. JTree Path

Description

The list of methods to do JTree Path are organized into topic(s).

Method

TreePathgetTreePath(TreePath path, JTree tree, boolean compareOnlyLabels)
get Tree Path 
Object[] pathElements = path.getPath();
TreePath result = null;
TreeNode root = (TreeNode) tree.getModel().getRoot();
if ((root.toString() == null && pathElements[0].toString() == null)
        || (root.toString().compareTo(pathElements[0].toString()) == 0))
    result = new TreePath(root);
if (result == null || pathElements.length == 1)
    return result;
...
StringgetTreePathString(TreePath path)
get Tree Path String 
return path.toString();
TreePath[]getUpdatedTreePath(TreePath[] paths, JTree tree)
get Updated Tree Path 
if (paths == null || tree == null) {
    return null;
TreeNode root = (TreeNode) tree.getModel().getRoot();
ArrayList<TreePath> result = new ArrayList<TreePath>();
for (int i = 0; i < paths.length; i++) {
    TreePath updatedPath = findTreePath(new TreePath(root), root, getTreePathString(paths[i]));
    if (updatedPath != null) {
...
ObjectgetUserObject(TreePath path)
get User Object 
Object value = path.getLastPathComponent();
if (value instanceof DefaultMutableTreeNode) {
    return ((DefaultMutableTreeNode) value).getUserObject();
return value;
ObjectgetUserObject(TreePath path)
get User Object 
Object value = path.getLastPathComponent();
if (value instanceof DefaultMutableTreeNode) {
    return ((DefaultMutableTreeNode) value).getUserObject();
return value;
booleanisDescendant(TreePath path1, final TreePath path2)
is Descendant 
int count1 = path1.getPathCount();
final int count2 = path2.getPathCount();
if (count1 <= count2) {
    return false;
while (count1 != count2) {
    path1 = path1.getParentPath();
    count1--;
...
booleanisDescendant(TreePath path1, final TreePath path2)
Is path1 descendant of path2? 
int count1 = path1.getPathCount();
final int count2 = path2.getPathCount();
if (count1 <= count2) {
    return false;
while (count1 != count2) {
    path1 = path1.getParentPath();
    count1--;
...
booleanisFile(TreePath path)
is File 
DefaultMutableTreeNode clickedNode = (DefaultMutableTreeNode) path.getLastPathComponent();
return (!clickedNode.getAllowsChildren());
booleanisSource(TreePath path)
is Source 
int pathCount = path.getPathCount();
return (pathCount == 2);
booleanisTreePathContainedInExpansionState(TreePath treePath, ArrayList expansionStateStrings)
is Tree Path Contained In Expansion State 
if (treePath != null && expansionStateStrings != null) {
    return expansionStateStrings.contains(treePath.toString());
return false;