public override void Initialize()
{
if (!_dataLoaded)
{
IsBusyLoading = true;
var compositionsTask = Task.Factory.StartNew(() => _providerFactory.CompositionsProvider.GetCompositionsAsync().Result)
.ContinueWith(t => t.Result.Select(x => x.ToCheckable()).CopyTo(Compositions),
TaskScheduler.FromCurrentSynchronizationContext());
var templatesTask = Task.Factory.StartNew(() => _providerFactory.TemplateProvider.GetTemplatesAsync().Result)
.ContinueWith(t =>
{
t.Result.CopyTo(Templates);
},
TaskScheduler.FromCurrentSynchronizationContext());
Task.WhenAll(compositionsTask, templatesTask)
.ContinueWith(result =>
{
IsBusyLoading = false;
_dataLoaded = true;
},
CancellationToken.None,
TaskContinuationOptions.None,
TaskScheduler.FromCurrentSynchronizationContext());
}
if (_updatedComposition == null || _updatedComposition.State == ItemState.Unchanged)
{
return;
}
if (!Compositions.Contains(_updatedComposition))
{
Compositions.Add(_updatedComposition);
}
CheckItem();
_updatedComposition = null;
}
public bool Contains(INonTerminalDescriptor descriptor)
{
return(Compositions.Contains(descriptor));
}