Java Swing How to - Handle Table column event

Question

We would like to know how to handle Table column event.
Answer

//from w w w .  j a v a2s  . co m
import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JTable;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.TableColumnModelEvent;
import javax.swing.event.TableColumnModelListener;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;

public class Main {
    public static void main(String args[]) {
        Object rows[][] = { { "one", "ichi - \u4E00" },
                { "two", "ni - \u4E8C" }, { "three", "san - \u4E09" },
                { "four", "shi - \u56DB" }, { "five", "go - \u4E94" },
                { "six", "roku - \u516D" }, { "seven", "shichi - \u4E03" },
                { "eight", "hachi - \u516B" }, { "nine", "kyu - \u4E5D" },
                { "ten", "ju - \u5341" } };
        Object headers[] = { "English", "Japanese" };
        JFrame frame = new JFrame("Scrollless Table");
        JTable table = new JTable(rows, headers);

        TableColumnModelListener tableColumnModelListener = new TableColumnModelListener() {
            public void columnAdded(TableColumnModelEvent e) {
                System.out.println("Added");
            }

            public void columnMarginChanged(ChangeEvent e) {
                System.out.println("Margin");
            }

            public void columnMoved(TableColumnModelEvent e) {
                System.out.println("Moved");
            }

            public void columnRemoved(TableColumnModelEvent e) {
                System.out.println("Removed");
            }

            public void columnSelectionChanged(ListSelectionEvent e) {
                System.out.println("Selection Changed");
            }
        };

        TableColumnModel columnModel = table.getColumnModel();
        columnModel.addColumnModelListener(tableColumnModelListener);

        columnModel.setColumnMargin(12);

        TableColumn column = new TableColumn(1);
        columnModel.addColumn(column);

        frame.getContentPane().add(table, BorderLayout.CENTER);
        frame.setSize(300, 150);
        frame.setVisible(true);
    }
}