How to use

getFirstDayOfWeek

method

in

org.jfree.ui.DateChooserPanel

/**
 * Returns the first date that is visible in the grid.  This should always 
 * be in the month preceding the month of the selected date.
 *
 * @return the date.
 */
private Calendar getFirstVisibleDate() {
  final Calendar c = Calendar.getInstance();
  c.set(this.chosenDate.get(Calendar.YEAR), this.chosenDate.get(
      Calendar.MONTH), 1);
  c.add(Calendar.DATE, -1);
  while (c.get(Calendar.DAY_OF_WEEK) != getFirstDayOfWeek()) {
    c.add(Calendar.DATE, -1);
  }
  return c;
}

/**
 * Returns the first date that is visible in the grid.  This should always 
 * be in the month preceding the month of the selected date.
 *
 * @return the date.
 */
private Calendar getFirstVisibleDate() {
  final Calendar c = Calendar.getInstance();
  c.set(this.chosenDate.get(Calendar.YEAR), this.chosenDate.get(
      Calendar.MONTH), 1);
  c.add(Calendar.DATE, -1);
  while (c.get(Calendar.DAY_OF_WEEK) != getFirstDayOfWeek()) {
    c.add(Calendar.DATE, -1);
  }
  return c;
}

/**
 * Returns the first date that is visible in the grid.  This should always 
 * be in the month preceding the month of the selected date.
 *
 * @return the date.
 */
private Calendar getFirstVisibleDate() {
  final Calendar c = Calendar.getInstance();
  c.set(this.chosenDate.get(Calendar.YEAR), this.chosenDate.get(
      Calendar.MONTH), 1);
  c.add(Calendar.DATE, -1);
  while (c.get(Calendar.DAY_OF_WEEK) != getFirstDayOfWeek()) {
    c.add(Calendar.DATE, -1);
  }
  return c;
}