/// <summary>
/// Serializes the <see cref="BrightcovePlaylist"/>. Note that the <see cref="Videos"/> property is not serialized with the rest of the other properties as the <see cref="VideoIds"/> properties is instead used by Brightcove.
/// </summary>
/// <param name="serializer">The serializer.</param>
/// <returns>A serialized <see cref="IDictionary{String,Object}" />.</returns>
public IDictionary <string, object> Serialize(JavaScriptSerializer serializer)
{
IDictionary <string, object> serialized = new Dictionary <string, object>();
serialized["filterTags"] = FilterTags;
serialized["name"] = Name;
serialized["playlistType"] = PlaylistType.ToBrightcoveName();
serialized["referenceId"] = ReferenceId;
serialized["shortDescription"] = ShortDescription;
serialized["thumbnailURL"] = ThumbnailUrl;
// The Id must be non-0.
if (Id != 0)
{
serialized["id"] = Id;
}
// If TagInclusionRule is set to None, then we won't serialize the value back to Brightcove.
// In this case, whatever the value of TagInclusionRule was before the call will remain the
// same. In the event of a Create call, it will be set to Or. In the event of an Update, the
// returned playlist will contain the actual value of the TagInclusionRule, though it is not
// accessible via a GET request (i.e. FindAll, FindById, etc.).
if (TagInclusionRule != TagInclusionRule.None)
{
serialized["tagInclusionRule"] = TagInclusionRule.ToBrightcoveName();
}
// Smart playlists (i.e. anything but an Explicit playlist) should not have the VideoIds
// populated, as 1) Brightcove determines which video Ids belong in a smart playlist, and
// 2) serializing this property for a smart playlists results in an error.
//
// It is still the case that you cannot switch from a smart playlist to an explicit playlist,
// and attempting to do so will result in an error. A workaround in this case is detailed @
// https://github.com/BrightcoveOS/.NET-MAPI-Wrapper/wiki/Known-Issues#wiki-convert-smart-playlist-to-explicit.
if (PlaylistType == PlaylistType.Explicit && VideoIds != null && VideoIds.Any())
{
serialized["videoIds"] = VideoIds;
}
return(serialized);
}
public BackTrackViewModel()
{
AssignCommands();
Messenger.Default.Register <List <int> >(this, "DVM2BTVM", msg =>
{
VideoIds = msg;
});
//调试数据，使用请删除或注释
VideoIds.Add(46);
VideoIds.Add(47);
//调试数据，使用请删除或注释
InitCombobox();
DispatcherHelper.Initialize();
tokenSource = new CancellationTokenSource();
token = tokenSource.Token;
}
