public dynamic GetBlockData(SlideBlock block)
{
var index = Array.IndexOf(Slide.Blocks, block);
if (index < 0)
throw new ArgumentException("No block " + block + " in slide " + Slide);
return BlockData[index];
}
public QuizInfoModel(QuizModel model, SlideBlock currentBlock, int index, QuizState quizState)
{
QuizModel = model;
CurrentBlock = currentBlock;
BlockIndex = index;
QuizState = quizState;
}
public static string Text(this SlideBlock block)
{
var md = block as MdBlock;
if (md != null)
{
return(md.Markdown);
}
var code = block as CodeBlock;
if (code != null)
{
return(code.Code);
}
throw new Exception(block.ToString());
}
public override bool HasEqualStructureWith(SlideBlock other)
{
var block = other as MatchingBlock;
if (block == null)
return false;
if (Matches.Length != block.Matches.Length)
return false;
var idsSet = Matches.Select(m => m.Id).ToImmutableHashSet();
var blockIdsSet = block.Matches.Select(m => m.Id).ToImmutableHashSet();
return idsSet.SetEquals(blockIdsSet);
}
public override bool HasEqualStructureWith(SlideBlock other)
{
var block = other as OrderingBlock;
if (block == null)
return false;
return Items.SequenceEqual(block.Items);
}
public override bool HasEqualStructureWith(SlideBlock other)
{
return other is FillInBlock;
}
public override bool HasEqualStructureWith(SlideBlock other)
{
var block = other as IsTrueBlock;
if (block == null)
return false;
return Answer == block.Answer;
}
public override bool HasEqualStructureWith(SlideBlock other)
{
var block = other as ChoiceBlock;
if (block == null)
return false;
if (Items.Length != block.Items.Length || Multiple != block.Multiple)
return false;
var idsSet = Items.Select(i => i.Id).ToImmutableHashSet();
var blockIdsSet = block.Items.Select(i => i.Id).ToImmutableHashSet();
return idsSet.SetEquals(blockIdsSet);
}
public abstract bool HasEqualStructureWith(SlideBlock other);
public SlideBlockDiff(SlideBlock original, SlideBlock changed)
{
OriginalSlideBlock = original;
ChangedSlideBlock = changed;
}
public Lesson(string title, string id, SlideBlock[] blocks)
{
Title = title;
Id = id;
Blocks = blocks;
}
public static bool IsCode(this SlideBlock block)
{
return(block is CodeBlock);
}