public void SelectNextPlaylistItem()
{
if (playlistItems.Count > 0)
{
if (playlistItems.Count == 1)
{
CurrentPlaylistItem = currentPlaylistItem;
}
else
{
var index = playlistItems.IndexOf(currentPlaylistItem);
if (index == -1)
{
CurrentPlaylistItem = playlistItems.FirstOrDefault();
return;
}
else
{
var lastIndex = playlistItems.Count - 1;
if (index < lastIndex)
{
CurrentPlaylistItem = playlistItems.ElementAtOrDefault(index + 1);
}
else
{
CurrentPlaylistItem = playlistItems.FirstOrDefault();
}
}
}
}
}
public void InsertPlaylistItem(int index, IPlaylistItemViewModel item)
{
if (item == null)
throw new ArgumentNullException("item");
playlistItems.Insert(index, item);
}
public void AddPlaylistItem(IPlaylistItemViewModel item)
{
if (item == null)
throw new ArgumentNullException("item");
playlistItems.Add(item);
}
public void SelectPreviousPlaylistItem()
{
if (playlistItems.Count > 0)
{
if (playlistItems.Count == 1)
{
CurrentPlaylistItem = currentPlaylistItem;
}
else
{
var index = playlistItems.IndexOf(currentPlaylistItem);
switch (index)
{
case -1:
CurrentPlaylistItem = playlistItems.FirstOrDefault();
return;
case 0:
CurrentPlaylistItem = playlistItems.LastOrDefault();
return;
default:
CurrentPlaylistItem = playlistItems.ElementAtOrDefault(index - 1);
return;
}
}
}
}
public void RemovePlaylistItem(IPlaylistItemViewModel item)
{
if (item == null)
throw new ArgumentNullException("item");
if (playlistItems.Contains(item))
playlistItems.Remove(item);
}
public void AddPlaylistItem(IPlaylistItemViewModel item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
playlistItems.Add(item);
}
/// <summary>
/// Inserts an item to the container at the specified index.
/// </summary>
/// <param name="index">The index where the item should be inserted.</param>
/// <param name="item">The item to insert.</param>
public void Insert(int index, IPlaylistItemViewModel item)
{
Items.Insert(index, item);
InnerContainer.Insert(index, item.Model);
Notify(nameof(Count));
Notify(IndexerName);
CollectionAdded(index, item);
}
public void InsertPlaylistItem(int index, IPlaylistItemViewModel item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
playlistItems.Insert(index, item);
}
public void SelectPlaylistItem(IPlaylistItemViewModel item)
{
if (item == null)
throw new ArgumentNullException("item");
if (!playlistItems.Contains(item))
throw new ArgumentException("Cannot select playlist item, it is not contained in this playlist");
CurrentPlaylistItem = item;
}
/// <summary>
/// Removes the playlist item at the specified index.
/// </summary>
/// <param name="index">The index where the item should be removed.</param>
public void RemoveAt(int index)
{
IPlaylistItemViewModel item = Items[index];
Items.RemoveAt(index);
InnerContainer.RemoveAt(index);
Notify(nameof(Count));
Notify(IndexerName);
CollectionRemoved(index, item);
}
/// <summary>
/// Removes the first occurrence of an item in the container.
/// </summary>
/// <param name="item">The item to remove.</param>
/// <returns>true if the item has been removed, false otherwise</returns>
public bool Remove(IPlaylistItemViewModel item)
{
int index = Items.IndexOf(item);
if (index < 0)
{
return(false);
}
RemoveAt(index);
return(true);
}
public void RemovePlaylistItem(IPlaylistItemViewModel item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
if (playlistItems.Contains(item))
{
playlistItems.Remove(item);
}
}
public void SelectItem(IPlaylistItemViewModel item)
{
try
{
task.Stop();
playlist.SelectPlaylistItem(item);
task.UpdateItem(item.ToTaskItem());
task.Start();
}
catch (Exception ex)
{
logger.Error(" PlaylistController.SelectItem", ex);
}
}
public void SelectPlaylistItem(IPlaylistItemViewModel item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
if (!playlistItems.Contains(item))
{
throw new ArgumentException("Cannot select playlist item, it is not contained in this playlist");
}
CurrentPlaylistItem = item;
}
public void SelectItem(IPlaylistItemViewModel item)
{
try
{
task.Stop();
playlist.SelectPlaylistItem(item);
task.UpdateItem(item.ToTaskItem());
task.Start();
}
catch (Exception ex)
{
logger.Error(" PlaylistController.SelectItem", ex);
}
}
// notifies about the new item being added to the container private void CollectionAdded(int index, IPlaylistItemViewModel item) => CollectionChanged?.Invoke(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, index));
// notifies about the items being replaced in the container private void CollectionReplaced(int index, IPlaylistItemViewModel oldItem, IPlaylistItemViewModel newItem) => CollectionChanged?.Invoke(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItem, oldItem, index));
/// <summary> /// Adds an item to the container. /// </summary> /// <param name="item">The item to add.</param> public void Add(IPlaylistItemViewModel item) => Insert(Items.Count, item);
public void SelectNextPlaylistItem()
{
if (playlistItems.Count > 0)
{
if (playlistItems.Count == 1)
{
CurrentPlaylistItem = currentPlaylistItem;
}
else
{
var index = playlistItems.IndexOf(currentPlaylistItem);
if (index == -1)
{
CurrentPlaylistItem = playlistItems.FirstOrDefault();
return;
}
else
{
var lastIndex = playlistItems.Count - 1;
if (index < lastIndex)
{
CurrentPlaylistItem = playlistItems.ElementAtOrDefault(index + 1);
}
else
{
CurrentPlaylistItem = playlistItems.FirstOrDefault();
}
}
}
}
}
public void SelectPreviousPlaylistItem()
{
if (playlistItems.Count > 0)
{
if (playlistItems.Count == 1)
{
CurrentPlaylistItem = currentPlaylistItem;
}
else
{
var index = playlistItems.IndexOf(currentPlaylistItem);
switch (index)
{
case -1:
CurrentPlaylistItem = playlistItems.FirstOrDefault();
return;
case 0:
CurrentPlaylistItem = playlistItems.LastOrDefault();
return;
default:
CurrentPlaylistItem = playlistItems.ElementAtOrDefault(index -1);
return;
}
}
}
}
