TreeNodeRemove.java Source code

Introduction

Here is the source code for TreeNodeRemove.java

Source

import java.util.Vector;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.text.Position;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.MutableTreeNode;
import javax.swing.tree.TreePath;

public class TreeNodeRemove {
    public static void main(String[] argv) {
        Vector<String> v = new Vector<String>();
        v.add("a");
        v.add("b");
        v.add("c");
        JTree tree = new JTree(v);
        DefaultTreeModel model = (DefaultTreeModel) tree.getModel();

        int startRow = 0;
        String prefix = "b";
        TreePath path = tree.getNextMatch(prefix, startRow, Position.Bias.Forward);
        MutableTreeNode node = (MutableTreeNode) path.getLastPathComponent();

        model.removeNodeFromParent(node);

        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(new JScrollPane(tree));
        frame.setSize(380, 320);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }
}