private void YieldPlaylists()
{
MediaSourceItems.Clear();
foreach (var source in Model.Sources)
{
var i = -1;
Func <bool> isLast = () => i == source.Playlist.Count - 1;
var hasColon = source.Playlist.Count > 0;
var title = source.Name.TrimEnd('：');
var url = source.Target;
MediaProviderLabelViewModel mp;
if (!string.IsNullOrWhiteSpace(url))
{
mp = new MediaProviderWithUrlViewModel
{
Title = title, Url = url,
Margin = Layouts.GenerateLeftJustified(Layouts.StandardSeparationMarginThickness),
HasColon = hasColon
};
}
else
{
mp = new MediaProviderLabelViewModel
{
Title = title,
Margin = Layouts.GenerateLeftJustified(Layouts.StandardSeparationMarginThickness),
HasColon = hasColon
};
}
MediaSourceItems.Add(mp);
var checkConsecutiveness = CheckConsecutiveness();
int?lastI = null;
for (i++; i < source.Playlist.Count; i++)
{
var t = source.Playlist[i];
var tt = t.Item1;
if (checkConsecutiveness)
{
if (int.TryParse(tt, out var itt))
{
var inconsecutive = lastI.HasValue && lastI + 1 != itt;
if (inconsecutive)
{
MediaSourceItems.Add(EllipsisViewModel.Instance);
}
lastI = itt;
}
}
var tvm = new TrackViewModel {
Title = tt, Url = t.Item2
};
tvm.Margin = Layouts.GenerateLeftJustified(isLast()?
Layouts.StandardSeparationMarginThickness : Layouts.StandardTrackItemMarginThickness);
MediaSourceItems.Add(tvm);
}
}
if (Model.SourcesRemarks?.Contains("<") == true)
{
var xsrvm = XamlSourceRemarksViewModel.TryParseBlock(Model.SourcesRemarks);
if (xsrvm != null)
{
xsrvm.Margin = Layouts.GenerateLeftJustified(Layouts.StandardSeparationMarginThickness);
MediaSourceItems.Add(xsrvm);
}
}
else
{
var gsrvm = CommonSourceRemarksViewModel.TryParse(Model.SourcesRemarks);
if (gsrvm != null)
{
gsrvm.Margin = Layouts.GenerateLeftJustified(Layouts.StandardSeparationMarginThickness);
MediaSourceItems.Add(gsrvm);
}
}
}