private void ChangeDisplayOrder(Direction direction)
{
RaceModel swapRaceModel;
int saveSequence;
int selected;
//Turn off change events
AllowChangeEvents = false;
swapRaceModel = new RaceModel();
if (direction == Direction.Up)
{
swapRaceModel.Initialize(ModelofRace.Sequence - 1);
}
else
{
swapRaceModel.Initialize(ModelofRace.Sequence + 1);
}
if (swapRaceModel.Id != Guid.Empty)
{
saveSequence = ModelofRace.Sequence;
ModelofRace.Sequence = swapRaceModel.Sequence;
swapRaceModel.Sequence = 255;
//swap sequences such that the database wont' complain about duplicate entries
swapRaceModel.SaveSequence();
ModelofRace.SaveSequence();
swapRaceModel.Sequence = saveSequence;
swapRaceModel.SaveSequence();
if (direction == Direction.Up)
{
RaceListBox.SelectedIndex--;
}
else
{
RaceListBox.SelectedIndex++;
}
//repopulate the list box to show the new order
selected = RaceListBox.SelectedIndex;
RaceListBox.Items.Clear();
PopulateRaceListBox();
RaceListBox.SelectedIndex = selected;
}
//Turn change events back on
AllowChangeEvents = true;
}
private void OnDeleteRaceButtonClick(object sender, EventArgs e)
{
int selection;
RaceModel nextModel;
int nextSequence;
ModelofRace.Delete();
//We need to fix the sequence numbers
nextSequence = ModelofRace.Sequence + 1;
nextModel = new RaceModel();
nextModel.Initialize(nextSequence);
while (nextModel.Id != Guid.Empty)
{
nextModel.Sequence--;
nextModel.SaveSequence();
nextSequence++;
nextModel = new RaceModel();
nextModel.Initialize(nextSequence);
}
//Lets reset the RaceList Box
selection = RaceListBox.SelectedIndex - 1;
if (selection < 0)
{
selection = 0;
}
RaceListBox.Items.Clear();
PopulateRaceListBox();
AllowChangeEvents = false;
RaceListBox.SelectedIndex = selection;
AllowChangeEvents = true;
//Now we can reset our flags and fields
ResetFieldsandFlags(RaceListBox.SelectedItem.ToString());
}
