private void OnTickerLoading(TickerFileViewModel tickerVM)
{
LoadingCount++;
tickers.Add(tickerVM);
tickerVM.ExecuteWhenLoadCompletes(OnLoadingEnd);
tickerVM.CloseCommandExecuted += OnCloseCommand;
}
private void OnTickerLoaded(TickerFileViewModel tickerVM)
{
LoadingCount--;
LoadedCount++;
RecalculateIndicesFrom(tickers.IndexOf(tickerVM));
}
private void OnTickerError(TickerFileViewModel tickerVM)
{
LoadingCount--;
ErrorCount++;
}
private void OnLoadingEnd(TickerFileViewModel tickerVM)
{
if (tickerVM.LoadState == AsyncState.Error)
OnTickerError(tickerVM);
else
OnTickerLoaded(tickerVM);
}
private void OnCloseCommand(TickerFileViewModel tickerVM)
{
ChangeCount(tickerVM.LoadState, false);
int index = tickers.IndexOf(tickerVM);
tickers.Remove(tickerVM);
RecalculateIndicesFrom(index);
}
private void OnClearAll()
{
var tickersCopy = new TickerFileViewModel[tickers.Count];
tickers.CopyTo(tickersCopy, 0);
tickers.Clear();
foreach (var t in tickersCopy.Where(x => x.LoadState == AsyncState.Running))
t.RemoveNotification(OnLoadingEnd);
LoadingCount = 0;
ErrorCount = 0;
LoadedCount = 0;
}