private void OnFavoriteItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (PlaylistItem item in e.NewItems)
{
FavoriteChanged?.Invoke(
this,
new FavoriteChangedEventArgs
{
Change = FavoriteChangeType.Added,
Item = item
});
}
break;
case NotifyCollectionChangedAction.Remove:
foreach (PlaylistItem item in e.OldItems)
{
FavoriteChanged?.Invoke(
this,
new FavoriteChangedEventArgs
{
Change = FavoriteChangeType.Removed,
Item = item
});
}
break;
}
}
private void ReplaceFavoriteList(Playlist newList)
{
FavoriteList.Items.CollectionChanged -= OnFavoriteItemsChanged;
newList.Items.CollectionChanged += OnFavoriteItemsChanged;
_playlists[_favoriteListName] = newList;
FavoriteChanged?.Invoke(this,
new FavoriteChangedEventArgs {
Change = FavoriteChangeType.Unknown
});
}
protected void ckShowInFavorites_CheckedChanged(object sender, EventArgs e)
{
CheckBox ck = (CheckBox)sender;
Aircraft ac = RowFromControl(ck);
ac.HideFromSelection = !ck.Checked;
UserAircraft ua = new UserAircraft(Page.User.Identity.Name);
ua.FAddAircraftForUser(ac);
FavoriteChanged?.Invoke(this, e);
}
public async Task RemoveListAsync(string name)
{
using (await _syncRoot.LockAsync())
{
if (name == _favoriteListName)
{
FavoriteList.Items.Clear();
await AddOrUpdatePlaylist(FavoriteList);
PlaylistChanged?.Invoke(this, new PlaylistChangedEventArgs
{
Action = PlaylistChangeAction.Content,
NewTitle = name,
Playlist = FavoriteList,
});
FavoriteChanged?.Invoke(this, new FavoriteChangedEventArgs
{
Change = FavoriteChangeType.Unknown
});
}
else
{
PlaylistChanged?.Invoke(this, new PlaylistChangedEventArgs
{
Action = PlaylistChangeAction.Remove,
OldTitle = name,
Playlist = _playlists[name],
});
await Task.Run(() =>
{
File.Delete(_nameToPathMap[name]);
_nameToPathMap.Remove(name);
_playlists.Remove(name);
});
}
}
}
