private void tabControl1_SelectedIndexChanged(object sender, EventArgs e)
{
// Changing the tab (table) essentially assigns the selectedTable variable
// trap door the event if we are midway through an order or if the table
// has already ordered
if (newOrder != null)
return;
selectedSeat = null;
TabControl selectedTab = (TabControl)sender;
selectedTable = tables[selectedTab.SelectedIndex];
// trapdoor the event if the table has already ordered
// this has to be done after the selectedTable var is
// updated or a subtle bug is introduced
if (selectedTable.OrderPlaced == true)
return;
// The selected table has its seats added to the 'seated' arraylist
// for the table object. The seats are disabled in preparation
// for when the start new order button is hit
foreach (Control ctrl in tabControl1.SelectedTab.Controls)
{
if (ctrl is Seat)
{
if (selectedTable.seated.Count < 4)
{
selectedTable.seated.Add((Seat)ctrl);
ctrl.Enabled = false;
}
}
}
selectedTable.Waiter = labelWaiter.Text;
// a new order may now be raised
buttonStartOrder.Enabled = true;
}
private void seat_click(object sender, EventArgs e)
{
// A seat has been clicked so we can enable the menu
listBoxMeals.Enabled = true;
selectedSeat = (Seat)sender;
// once a seat has ordered it is put on the ordered queue, a member of the table
// class. We dont want to reorder for a seat so we test this selected seat
// against each seat that has ordered. If it has ordered already we drop out of
// the event handler
foreach (Seat s in selectedTable.ordered)
{
if (selectedSeat.Equals(s))
return;
}
// repaint the seats in case a new seat has been selected
foreach (Seat s in selectedTable.seated)
{
s.Image = Properties.Resources.Button_Blank_Green_icon;
}
// the selected seat is now colored blue
selectedSeat.Image = Properties.Resources.Button_Blank_Blue_icon;
}