package com.gui;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.TableColumnModel;

public class FixedColumnScrollPane extends JScrollPane
{
public FixedColumnScrollPane(JTable main, int fixedColumns)
{
super( main );

// Use the table to create a new table sharing
// the DataModel and ListSelectionModel

JTable fixed = new JTable( main.getModel() );
fixed.setFocusable( false );
fixed.setSelectionModel( main.getSelectionModel() );
fixed.getTableHeader().setReorderingAllowed( false );
// fixed.getTableHeader().setResizingAllowed( false );
fixed.putClientProperty("terminateEditOnFocusLost", Boolean.TRUE);
main.putClientProperty("terminateEditOnFocusLost", Boolean.TRUE);

// Remove the fixed columns from the main table

for (int i = 0; i < fixedColumns; i++)
{
TableColumnModel columnModel = main.getColumnModel();
columnModel.removeColumn( columnModel.getColumn( 0 ) );
}

// Remove the non-fixed columns from the fixed table

while (fixed.getColumnCount() > fixedColumns)
{
TableColumnModel columnModel = fixed.getColumnModel();
columnModel.removeColumn( columnModel.getColumn( fixedColumns ) );
}

// Add the fixed table to the scroll pane

fixed.setPreferredScrollableViewportSize(fixed.getPreferredSize());
setRowHeaderView( fixed );
setCorner(JScrollPane.UPPER_LEFT_CORNER, fixed.getTableHeader());
}

public static void main(String[] args)
{
// Build your table normally

JTable table = new JTable(10, ;
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
JScrollPane scrollPane= new FixedColumnScrollPane(table, 1 );
//
JFrame frame = new JFrame("Table Fixed Column Demo");
frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
frame.getContentPane().add( scrollPane );
frame.setSize(400, 300);
frame.setVisible(true);
}
}