private void InsertOrMoveCountdown(CountdownViewModel viewModel)
{
var index = 0;
var otherCountdowns = items.Where(x => x.CountdownId != viewModel.CountdownId).ToList();
if (otherCountdowns.Count > 0)
{
index = otherCountdowns.FindIndex(x => CompareCountdowns(viewModel, x) < 0);
if (index < 0)
{
index = otherCountdowns.Count;
}
}
var added = !items.Contains(viewModel);
if (added)
{
items.Insert(index, viewModel);
}
else
{
var currentIndex = items.IndexOf(viewModel);
if (currentIndex != index)
{
items.Move(currentIndex, index);
}
}
}
public static CountdownViewModel Create(Countdown countdown)
{
var viewModel = new CountdownViewModel();
viewModel.Refresh(countdown);
return(viewModel);
}
public CountdownViewModel PreviousCountdown(CountdownViewModel countdown)
{
var index = items.IndexOf(countdown) - 1;
if (index >= 0)
{
return(items[index]);
}
return(null);
}
public CountdownViewModel NextCountdown(CountdownViewModel countdown)
{
var index = items.IndexOf(countdown) + 1;
if (index < items.Count)
{
return(items[index]);
}
return(null);
}
private static int CompareCountdowns(CountdownViewModel x, CountdownViewModel y)
{
var days1 = x.DaysRemaining;
var days2 = y.DaysRemaining;
if (days1 >= 0 && days2 >= 0)
{
var result = days1.CompareTo(days2);
if (result != 0)
{
return(result);
}
}
else if (days1 >= 0)
{
return(-1);
}
else if (days2 >= 0)
{
return(1);
}
else
{
var result = days2.CompareTo(days1);
if (result != 0)
{
return(result);
}
}
var result2 = x.ExpirationDate.CompareTo(y.ExpirationDate);
if (result2 != 0)
{
return(result2);
}
result2 = string.Compare(x.Name, y.Name, StringComparison.CurrentCulture);
if (result2 != 0)
{
return(result2);
}
return(x.CountdownId.CompareTo(y.CountdownId));
}
public void RemoveCountdown(CountdownViewModel countdown, out CountdownViewModel nextCountdown)
{
var index = items.IndexOf(countdown);
items.RemoveAt(index);
if (items.Count > 0)
{
if (index >= items.Count)
{
index = items.Count - 1;
}
nextCountdown = items[index];
}
else
{
nextCountdown = null;
}
}
private void SelectCountdown(CountdownViewModel countdown)
{
MasterListView.SelectedItem = countdown;
}