Main.java Source code

Introduction

Here is the source code for Main.java

Source

import javax.swing.JTable;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;

public class Main {
    public static void main(String[] argv) throws Exception {

        JTable table = new JTable();
        table.getModel().addTableModelListener(new MyTableModelListener(table));
    }
}

class MyTableModelListener implements TableModelListener {
    JTable table;

    MyTableModelListener(JTable table) {
        this.table = table;
    }

    public void tableChanged(TableModelEvent e) {
        int firstRow = e.getFirstRow();
        int lastRow = e.getLastRow();
        int index = e.getColumn();

        switch (e.getType()) {
        case TableModelEvent.INSERT:
            for (int i = firstRow; i <= lastRow; i++) {
                System.out.println(i);
            }
            break;
        case TableModelEvent.UPDATE:
            if (firstRow == TableModelEvent.HEADER_ROW) {
                if (index == TableModelEvent.ALL_COLUMNS) {
                    System.out.println("A column was added");
                } else {
                    System.out.println(index + "in header changed");
                }
            } else {
                for (int i = firstRow; i <= lastRow; i++) {
                    if (index == TableModelEvent.ALL_COLUMNS) {
                        System.out.println("All columns have changed");
                    } else {
                        System.out.println(index);
                    }
                }
            }
            break;
        case TableModelEvent.DELETE:
            for (int i = firstRow; i <= lastRow; i++) {
                System.out.println(i);
            }
            break;
        }
    }
}