The following code demos how to fix the first 2
columns in JTtable.
//The example in following link
doesn't work
//Example is modified from http://www.crionics.com/products/opensource/faq/swing_ex/JTableExamples1.html
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.event.*;
public class FixedColumnExample extends
JFrame {
Object[][] data;
Object[] column;
JTable fixedTable,table;
public FixedColumnExample() {
super( "Fixed Column Example" );
setSize( 400, 150 );
data = new Object[][]{
{"Tom","Swa","A","","","","",""},
{"Ludi","Mond","","B","","","",""},
{"OKie","Dokie","","","C","","",""},
{"Sport","Kid","","","","D","",""},
{"Fetch","Bring","","","","","E",""},
{"Potter","Harry","","","","","","F"}};
column = new Object[]{"FirstFixed","LastFixed","a","b","c","d","e","f"};
AbstractTableModel fixedModel = new AbstractTableModel() {
public int getColumnCount() { return 2; }
public int getRowCount() { return data.length; }
public String getColumnName(int col) {
return (String)column[col];
}
public Object getValueAt(int row, int col) {
return data[row][col];
}
};
AbstractTableModel model = new AbstractTableModel() {
public int getColumnCount() { return column.length -2; }
public int getRowCount() { return data.length; }
public String getColumnName(int col) {
return (String)column[col +2];
}
public Object getValueAt(int row, int col) {
return data[row][col+2];
}
public void setValueAt(Object obj, int row, int col) {
data[row][col +2] = obj;
}
public boolean CellEditable(int row, int col) {
return true;
}
};
fixedTable = new JTable( fixedModel );
table = new JTable( model );
fixedTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
fixedTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
JScrollPane scroll = new JScrollPane( table );
JViewport viewport = new JViewport();
viewport.setView(fixedTable);
viewport.setPreferredSize(fixedTable.getPreferredSize());
scroll.setRowHeaderView(viewport);
scroll.setCorner(JScrollPane.UPPER_LEFT_CORNER,fixedTable.getTableHeader());
getContentPane().add(scroll, BorderLayout.CENTER);
}
public static void main(String[] args) {
FixedColumnExample frame = new FixedColumnExample();
frame.addWindowListener( new WindowAdapter() {
public void windowClosing( WindowEvent e ) {
System.exit(0);
}
});
frame.setVisible(true);
}
}
