Java JTree Path getTreePath(TreePath path, JTree tree, boolean compareOnlyLabels)

Description

get Tree Path

License

BSD License

Declaration

public static TreePath getTreePath(TreePath path, JTree tree, boolean compareOnlyLabels) 

Method Source Code

//package com.java2s;
/*   TouchStone design platform is a software to design protocols for lab        *
 *   experiments. It is published under the terms of a BSD license               *
 *   (see details below)                                                         *
 *   Author: Caroline Appert (appert@lri.fr)                                     *
 *   Copyright (c) 2010 Caroline Appert and INRIA, France.                       *
 *   TouchStone design platform reuses parts of an early version which were      *
 *   programmed by Matthis Gilbert.                                              *
 *********************************************************************************/

import java.util.Enumeration;

import javax.swing.JTree;

import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;

public class Main {
    public static TreePath getTreePath(TreePath path, JTree tree, boolean compareOnlyLabels) {
        Object[] pathElements = path.getPath();
        TreePath result = null;//from  www .  j a  va 2s  . c om
        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;

        TreePath[] potentialResult = new TreePath[1];
        potentialResult[0] = result;
        boolean found = searchUnexpandedPath(tree, path, 1, root, potentialResult, compareOnlyLabels);
        if (found)
            return potentialResult[0];
        else
            return null;
    }

    public static boolean searchUnexpandedPath(JTree tree, TreePath path, int index, TreeNode node,
            TreePath[] result, boolean compareOnlyLabels) {
        Object[] pathElements = path.getPath();
        if (index >= pathElements.length) {
            return !tree.isExpanded(result[0]);
        }
        Object elementToSearch = pathElements[index];
        Enumeration<?> enumeration = node.children();
        while (enumeration.hasMoreElements()) {
            TreeNode next = (TreeNode) enumeration.nextElement();
            if ((compareOnlyLabels && next.toString().compareTo(elementToSearch.toString()) == 0)
                    || (!compareOnlyLabels && next.equals(elementToSearch))) {
                TreePath[] potentialResult = new TreePath[1];
                potentialResult[0] = result[0].pathByAddingChild(next);
                if (searchUnexpandedPath(tree, path, index + 1, next, potentialResult, compareOnlyLabels)) {
                    result[0] = potentialResult[0];
                    return true;
                }
            }
        }
        return false;
    }
}

Related

1. getPath(TreeNode treeNode)
2. getPathStr(TreeNode[] projectNodes)
3. getTree(List paths)
4. getTreePath(TreeNode treeNode)
5. getTreePath(TreeNode treeNode)
6. getTreePathString(TreePath path)
7. getUpdatedTreePath(TreePath[] paths, JTree tree)
8. getUserObject(TreePath path)
9. getUserObject(TreePath path)