Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.Component;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTree;
import javax.swing.table.DefaultTableModel;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreeCellRenderer;

public class Main extends JFrame {

    private JTree tree;

    public Main() {
        DefaultMutableTreeNode AA1 = new DefaultMutableTreeNode("AA1");
        DefaultMutableTreeNode AA2 = new DefaultMutableTreeNode("AA2");
        DefaultMutableTreeNode A = new DefaultMutableTreeNode("A");
        A.add(AA1);
        A.add(AA2);
        DefaultMutableTreeNode BB1 = new DefaultMutableTreeNode("BB1");
        DefaultMutableTreeNode BB2 = new DefaultMutableTreeNode("BB2");
        DefaultMutableTreeNode B = new DefaultMutableTreeNode("B");
        B.add(BB1);
        B.add(BB2);
        DefaultMutableTreeNode CC1 = new DefaultMutableTreeNode("CC1");
        DefaultMutableTreeNode CC2 = new DefaultMutableTreeNode("CC2");
        DefaultMutableTreeNode C = new DefaultMutableTreeNode("C");
        C.add(CC1);
        C.add(CC2);
        DefaultMutableTreeNode root = new DefaultMutableTreeNode("root");
        root.add(A);
        root.add(B);
        root.add(C);
        tree = new JTree(root);
        tree.setCellRenderer(new MyTableInTreeCellRenderer());
        tree.setRowHeight(0);
        JScrollPane jsp = new JScrollPane(tree);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        add(jsp, BorderLayout.CENTER);
        pack();
    }

    public static void main(String[] args) throws Exception {

        new Main().setVisible(true);

    }
}

class MyTableInTreeCellRenderer extends JPanel implements TreeCellRenderer {

    private JTable table;

    public MyTableInTreeCellRenderer() {
        super(new BorderLayout());
        table = new JTable();
        JScrollPane scrollPane = new JScrollPane(table);
        add(scrollPane);
    }

    public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded,
            boolean leaf, int row, boolean hasFocus) {
        final String v = (String) ((DefaultMutableTreeNode) value).getUserObject();
        table.setModel(new DefaultTableModel() {
            @Override
            public int getRowCount() {
                return 2;
            }

            @Override
            public int getColumnCount() {
                return 2;
            }

            @Override
            public Object getValueAt(int row, int column) {
                return v + ":" + row + ":" + column;
            }
        });
        table.setPreferredScrollableViewportSize(table.getPreferredSize());
        return this;
    }
}