public static BlockType GetBlockType(SlideBlock block)
{
switch (block)
{
case YoutubeBlock _: return(BlockType.YouTube);
case CodeBlock _: return(BlockType.Code);
case ImageGalleryBlock _: return(BlockType.GalleryImages);
case IncludeCodeBlock _: return(BlockType.IncludeCode);
case IncludeImageGalleryBlock _: return(BlockType.IncludeImageGallery);
case IncludeMarkdownBlock _: return(BlockType.IncludeMarkdown);
case MarkdownBlock _: return(BlockType.Markdown);
case TexBlock _: return(BlockType.Tex);
case HtmlBlock _: return(BlockType.Html);
case SpoilerBlock _: return(BlockType.Spoiler);
case FillInBlock _: return(BlockType.TextQuestion);
case ChoiceBlock _: return(BlockType.ChoiceQuestion);
case MatchingBlock _: return(BlockType.MatchQuestion);
case OrderingBlock _: return(BlockType.OrderQuestion);
case IsTrueBlock _: return(BlockType.IsTrueQuestion);
case CsProjectExerciseBlock _: return(BlockType.CsProjectExercise);
case SingleFileExerciseBlock _: return(BlockType.SingleFileExercise);
case UniversalExerciseBlock _: return(BlockType.UniversalExercise);
default: throw new Exception("Unknown slide block " + block);
}
}
/// <summary>
/// Building slide and blocks, fill properties, initialize some values. Any work we need to do before work with slide.
/// </summary>
public virtual void BuildUp(SlideLoadingContext context)
{
Meta?.FixPaths(context.SlideFile);
Info = new SlideInfo(context.Unit, context.SlideFile);
if (Blocks == null)
{
Blocks = new SlideBlock[0];
}
/* Validate block types. We should do it before building up blocks */
CheckBlockTypes();
/* ... and build blocks */
var slideLoadingContext = new SlideBuildingContext(context, this);
Blocks = Blocks.SelectMany(b => b.BuildUp(slideLoadingContext, ImmutableHashSet <string> .Empty)).ToArray();
DefineBlockTypes();
}