public void setTablaPrincipal(java.util.List val) {
DefaultTableModel modelo = ((DefaultTableModel) this.tablaPrincipal.getModel());
for (int i = 0; i < val.size(); i++) {
modelo.addRow(((java.util.ArrayList) val.get(i)).toArray());
}
this.calculaSumas();
}
public void keyPressed(KeyEvent ke) {
if (ke.getKeyCode() == ke.VK_TAB) {
int x = ((JTable) ke.getSource()).getSelectedColumn();
int y = ((JTable) ke.getSource()).getSelectedRow();
int maxX = ((JTable) ke.getSource()).getColumnCount();
int maxY = ((JTable) ke.getSource()).getRowCount();
TableModel tm = ((JTable) ke.getSource()).getModel();
if (x == maxX - 1 && y == maxY - 1) {
((DefaultTableModel) tm).addRow(new Object[maxX]);
}
}
}