internal void Previous()
{
if (!Random)
{
UpdateMediaList();
}
else
{
UpdateRandomMediaList();
}
VlcMediaCollection collection = Random ? mediaRandomList : mediaList;
MediaBase media;
for (int cpt = 0; cpt < 2; cpt++)
{
media = collection.LastOrDefault(m => m.Status == MediaStates.Played);
if (media != null)
{
if (SelectedMedia != null)
{
if (MediaItems.Contains(SelectedMedia))
{
SelectedMedia.Status = collection.IndexOf(media) < collection.IndexOf(SelectedMedia) ? MediaStates.NotPlayed : MediaStates.Played;
}
else
{
collection.Remove(SelectedMedia);
}
}
media.Status = MediaStates.Selected;
SelectedMedia = media;
break;
}
if (!Loop)
{
break;
}
if (cpt == 0)
{
collection.
Where(m => m.Status == MediaStates.NotPlayed).ToList().
ForEach(m => m.Status = MediaStates.Played);
}
}
}
private void UpdateRandomMediaList()
{
foreach (MediaBase item in mediaRandomList)
{
if (!mediaItems.Contains(item))
{
item.Status = SelectedMedia == null ? MediaStates.Disabled : MediaStates.SelectedButDisabled;
}
}
int beginningIndex = 0;
if (SelectedMedia != null && mediaItems.Contains(SelectedMedia))
{
beginningIndex = mediaRandomList.IndexOf(SelectedMedia) + 1;
}
for (int cpt = 0; cpt < mediaItems.Count; cpt++)
{
MediaBase item = mediaItems[cpt];
if (item == SelectedMedia)
{
continue;
}
if (!mediaRandomList.Contains(item))
{
int index = new Random().Next(beginningIndex, mediaRandomList.Count);
mediaRandomList.Insert(index, item);
item.Status = MediaStates.NotPlayed;
}
else if (SelectedMedia != null && mediaRandomList.IndexOf(SelectedMedia) < mediaRandomList.IndexOf(item))
{
item.Status = MediaStates.NotPlayed;
}
else if (SelectedMedia != null && mediaRandomList.IndexOf(SelectedMedia) > mediaRandomList.IndexOf(item))
{
item.Status = MediaStates.Played;
}
else
{
item.Status = MediaStates.NotPlayed;
}
}
}
internal void Next()
{
if (!Random)
{
UpdateMediaList();
}
else
{
UpdateRandomMediaList();
}
VlcMediaCollection collection = Random ? mediaRandomList : mediaList;
if (Loop && SelectedMedia != null && collection.IndexOf(SelectedMedia) == collection.Count - 1)
{
collection.ToList().ForEach(m => m.Status = MediaStates.NotPlayed);
}
MediaBase media = collection.FirstOrDefault(m => m.Status == MediaStates.NotPlayed);
if (media != null)
{
if (SelectedMedia != null)
{
if (SelectedMedia.Status == MediaStates.SelectedButDisabled)
{
collection.Remove(SelectedMedia);
}
else
{
SelectedMedia.Status = MediaStates.Played;
}
}
media.Status = MediaStates.Selected;
SelectedMedia = media;
}
}
