Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.Enumeration;

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

public class Main {
    public void expandAll(JTree tree) {
        TreeNode root = (TreeNode) tree.getModel().getRoot();
        expandAll(tree, new TreePath(root));
    }

    private void expandAll(JTree tree, TreePath parent) {
        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);
            }
        }
        tree.expandPath(parent);
        // tree.collapsePath(parent);
    }
}