package jtreeproba;

import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreePath;

public class JtreeProba extends JFrame {

    JTree tree = new JTree();
    DefaultMutableTreeNode root = new DefaultMutableTreeNode("root");
    DefaultMutableTreeNode egy = new DefaultMutableTreeNode("egy");
    DefaultMutableTreeNode ketto = new DefaultMutableTreeNode("kettő");
    DefaultTreeModel model = new DefaultTreeModel(root);    
    
    public JtreeProba() {
        this.tree.addMouseListener(new MouseListener() {
            @Override
            public void mouseClicked(MouseEvent evt) {
                mouseClickedAction(evt);
            }

            @Override
            public void mousePressed(MouseEvent e) { }

            @Override
            public void mouseReleased(MouseEvent e) { }

            @Override
            public void mouseEntered(MouseEvent e) { }

            @Override
            public void mouseExited(MouseEvent e) { }
        });
        this.model.insertNodeInto(egy, root, 0);
        this.model.insertNodeInto(ketto, root, 0);        
        this.tree.setModel(model);        
        this.add(tree);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setSize(300, 200);
        this.setVisible(true);
    }
    
    public void mouseClickedAction(MouseEvent evt) {
        TreePath tp = this.tree.getPathForLocation(evt.getX(), evt.getY());
        if(tp != null) {
            String selected = tp.getLastPathComponent().toString();
            if(selected.equals("egy")) {
                JOptionPane.showMessageDialog(this, "Egy");
            }
            if(selected.equals("kettő")) {
                JOptionPane.showMessageDialog(this, "Kettő");
            }
        }
    }
    
    public static void main(String[] args) {
        new JtreeProba();
    }    
}