Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright 2011-2016 Three Crickets LLC.
 * <p>
 * The contents of this file are subject to the terms of the LGPL version 3.0:
 * http://www.gnu.org/copyleft/lesser.html
 * <p>
 * Alternatively, you can obtain a royalty free commercial license with less
 * limitations, transferable or non-transferable, directly from Three Crickets
 * at http://threecrickets.com/
 */

import java.util.Enumeration;

import javax.swing.JTree;

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

public class Main {
    public static void expandTree(JTree tree, boolean expand) {
        expandAll(tree, new TreePath((TreeNode) tree.getModel().getRoot()), expand);
    }

    private static void expandAll(JTree tree, TreePath parent, boolean expand) {
        TreeNode node = (TreeNode) parent.getLastPathComponent();
        if (node.getChildCount() >= 0) {
            for (Enumeration<?> e = node.children(); e.hasMoreElements();) {
                TreeNode n = (TreeNode) e.nextElement();
                TreePath path = parent.pathByAddingChild(n);
                expandAll(tree, path, expand);
            }
        }

        if (expand)
            tree.expandPath(parent);
        else
            tree.collapsePath(parent);
    }
}