Converting All Nodes in a JTree Component to a TreePath Array : JTree Node « Swing « Java Tutorial

1. Java Tutorial
2. Swing
3. JTree Node

import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;

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

public class Main {
  public TreePath[] getPaths(JTree tree, boolean expanded) {
    TreeNode root = (TreeNode) tree.getModel().getRoot();
    List<TreePath> list = new ArrayList<TreePath>();
    getPaths(tree, new TreePath(root), expanded, list);

    return (TreePath[]) list.toArray(new TreePath[list.size()]);
  }

  public void getPaths(JTree tree, TreePath parent, boolean expanded, List<TreePath> list) {
    if (expanded && !tree.isVisible(parent)) {
      return;
    }
    list.add(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);
        getPaths(tree, path, expanded, list);
      }
    }
  }
}

14.67.JTree Node
	14.67.1.	Get child count, depth, leaf count
	14.67.2.	Adding a Node to a JTree Component
	14.67.3.	Delete tree node
	14.67.4.	Removing a Node to a JTree Component
	14.67.5.	Expression Tree
	14.67.6.	Swing Tree
	14.67.7.	JTree node mouse click event
	14.67.8.	A JTree subclass that displays the tree of AWT or Swing component that make up a GUI
	14.67.9.	Tree with custom icon
	14.67.10.	CheckBox Tree node
	14.67.11.	Get path for all expanded or not expanded tree pathes
	14.67.12.	Converting All Nodes in a JTree Component to a TreePath Array
	14.67.13.	Expanding or Collapsing All Nodes in a JTree Component
	14.67.14.	JTree root cannot be removed with removeNodeFromParent(), use DefaultTreeModel.setRoot() to remove the root
	14.67.15.	Searching node in a JTree