/**
* Called when the user selects a name in the date list. Fetches performance data from the
* database and displays it in the text fields.
*
* @param e The selected list item.
*/
public void valueChanged(ListSelectionEvent e) {
if (nameList.isSelectionEmpty() || dateList.isSelectionEmpty()) {
return;
}
String movieName = (String) nameList.getSelectedValue();
String date = (String) dateList.getSelectedValue();
/* --- insert own code here --- */
fields[MOVIE_NAME].setText(movieName);
fields[PERF_DATE].setText(date);
Performance p = db.getPerformance(movieName, date);
fields[THEATER_NAME].setText(p.getTheaterName());
fields[FREE_SEATS].setText((p.getTotalSeats() - p.getBookedSeats()) + "");
}
/**
* Called when the user clicks the Book ticket button. Books a ticket for the current user to
* the selected performance (adds a booking to the database).
*
* @param e The event object (not used).
*/
public void actionPerformed(ActionEvent e) {
if (nameList.isSelectionEmpty() || dateList.isSelectionEmpty()) {
return;
}
if (!CurrentUser.instance().isLoggedIn()) {
displayMessage("Must login first");
return;
}
String movieName = (String) nameList.getSelectedValue();
String date = (String) dateList.getSelectedValue();
/* --- insert own code here --- */
Performance p = db.getPerformance(movieName, date);
boolean result = db.makeReservation(p);
Performance pUpdated = db.getPerformance(movieName, date);
fields[FREE_SEATS].setText((pUpdated.getTotalSeats() - pUpdated.getBookedSeats()) + "");
if (result) displayMessage("1 ticket booked for " + movieName);
else displayMessage("Error!");
}