private async void SourceFoldersCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
await AsyncHelper.ExecuteEventHandlerTask(this, async() =>
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
await AddMovies(e.NewItems.Cast <string>());
break;
case NotifyCollectionChangedAction.Remove:
RemoveMovies(e.OldItems.Cast <string>());
break;
case NotifyCollectionChangedAction.Replace:
RemoveMovies(e.OldItems.Cast <string>());
await AddMovies(e.NewItems.Cast <string>());
break;
case NotifyCollectionChangedAction.Reset:
Movies.Clear();
break;
}
});
}
public MovieSetViewModel(IFileSystemService fileSystemService,
IMovieViewModelFactory viewModelFactory,
IMovieMetadataService metadataService,
IProgressManagerViewModel progressManager,
IBusyProvider busyProvider,
IDialogViewer dialogViewer,
string setName)
: base(busyProvider, dialogViewer, null)
{
_fileSystemService = fileSystemService;
_metadataService = metadataService;
_busyProvider = busyProvider;
SetName = DisplayNameInternal = setName;
Fanart = viewModelFactory.GetImage(new SetFanartImageStrategy(metadataService, this));
Poster = viewModelFactory.GetImage(new SetPosterImageStrategy(metadataService, this));
RefreshCommand = new RefreshMetadataCommand(this);
UpdateCommand = new UpdateMetadataCommand(this, progressManager, busyProvider);
SaveCommand = new SaveMetadataCommand(this);
#pragma warning disable 4014
// Fire and forget the refresh
AsyncHelper.ExecuteEventHandlerTask(this, Refresh);
#pragma warning restore 4014
}
private async void MusicSelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
await AsyncHelper.ExecuteEventHandlerTask(this, async() =>
{
var newItem = (ITreeViewItemViewModel)e.NewValue;
await newItem.Load();
});
}
private async void MusicExpanded(object sender, RoutedEventArgs e)
{
await AsyncHelper.ExecuteEventHandlerTask(this, async() =>
{
var treeViewItem = (TreeViewItem)e.OriginalSource;
var treeViewItemViewModel = (ITreeViewItemViewModel)treeViewItem.DataContext;
await treeViewItemViewModel.LoadChildren();
});
}
private async void HyperlinkClick(object sender, RoutedEventArgs e)
{
await AsyncHelper.ExecuteEventHandlerTask(this, async() =>
{
IImageViewModel images = await FindAvailableImages();
ContentControl control = FindParentMainContentControl(this);
images.OriginalContent = BindingOperations.GetBinding(control, ContentProperty);
control.Content = images;
});
}
private void ActorsListSourceUpdate(object sender, EventArgs e)
{
ItemCollection items = ActorsList.Items;
var sourceCollections = (INotifyCollectionChanged)items.SourceCollection;
if (sourceCollections != null)
{
var autoscroller = new NotifyCollectionChangedEventHandler((s1, e1) =>
{
object selectedItem = null;
switch (e1.Action)
{
case NotifyCollectionChangedAction.Add:
case NotifyCollectionChangedAction.Move:
selectedItem = e1.NewItems[e1.NewItems.Count - 1];
break;
case NotifyCollectionChangedAction.Remove:
if (items.Count < e1.OldStartingIndex)
{
selectedItem = items[e1.OldStartingIndex - 1];
}
else if (items.Count > 0)
{
selectedItem = items[0];
}
break;
case NotifyCollectionChangedAction.Reset:
if (items.Count > 0)
{
selectedItem = items[0];
}
break;
}
if (selectedItem != null)
{
items.MoveCurrentTo(selectedItem);
ScrollToEnd();
#pragma warning disable 4014
// Fire and forget
AsyncHelper.ExecuteEventHandlerTask(this, () => FocusOnFirstTextBox(selectedItem));
#pragma warning restore 4014
}
});
sourceCollections.CollectionChanged += autoscroller;
}
}
private async void RefreshSpecificFolders(object sender, RoutedEventArgs e)
{
await AsyncHelper.ExecuteEventHandlerTask(this, Sources.RefreshSpecificFolders);
}