jtable cell background + model example

package swingtest;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;

@SuppressWarnings("serial")
public class SwingTest {

    static class TestModel extends DefaultTableModel {
        TestModel () {
            super(new Object[] { "ID", "Name", "Value" }, 0);
            addRow(new Object[] { "1", "F", "Yes" });
            addRow(new Object[] { "2", "E", "No" });
            addRow(new Object[] { "3", "D", "Yes" });
            addRow(new Object[] { "4", "C", "No" });
            addRow(new Object[] { "5", "B", "No" });
            addRow(new Object[] { "6", "A", "No" });
        }
    }

    static class TestRenderer extends DefaultTableCellRenderer {
        @Override public Component getTableCellRendererComponent (
                JTable table, Object value, boolean selected, boolean focus,
                int row, int column)
        {
            Component c = super.getTableCellRendererComponent(table, value, selected, focus, row, column);
            // if you want to experiment, remove this conversion and watch what happens when you
            // sort rows or rearrange columns.
            int model_row = table.convertRowIndexToModel(row);
            int model_col = table.convertColumnIndexToModel(column);
            // you could use the passed in value but this example queries the model
            // just for illustrative purposes.
            if (table.getModel().getValueAt(model_row, model_col).toString().equalsIgnoreCase("yes"))
                c.setBackground(Color.GREEN);
            else
                c.setBackground(table.getBackground());
            return c;
        }
    }

    public SwingTest() {

        JFrame frame = new JFrame();
        frame.setBounds(100, 100, 538, 441);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JTable table = new JTable();
        table.setModel(new TestModel());
        table.setDefaultRenderer(Object.class, new TestRenderer()); // note: no need to pass data/model to renderer!
        table.setAutoCreateRowSorter(true);

        JScrollPane pane = new JScrollPane(table);
        frame.getContentPane().add(pane, BorderLayout.CENTER);

        frame.setVisible(true);

    }

    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            @Override public void run () {
                try {
                    new SwingTest();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

}