public void ChangeVideoContent(Content nextContent)
{
CurrentContent = nextContent;
VideoContent video = (VideoContent)nextContent;
VideoUrl = video.VideoUrl;
}
public void UpdateQuiz(Content content)
{
Quiz = (QuizContent)content;
CurrentQuestion = Quiz.Questions[0];
BindCurrentQuestion();
}
public void PublishNextContent(Content currentContent)
{
if (CurrentLesson.Contents.Count == 0)
return;
ActiveContentChangedEvent activeContentEvent = eventAggregator.GetEvent<ActiveContentChangedEvent>();
if (currentContent == null)
{
activeContentEvent.Publish(CurrentLesson.Contents[0]);
}
else
{
int nextIndex = CurrentLesson.Contents.IndexOf(currentContent) + 1;
if (CurrentLesson.Contents.Count == nextIndex)
{
FinishLesson();
return;
}
activeContentEvent.Publish(CurrentLesson.Contents[nextIndex]);
}
}
public void UpdateContentView(Content nextContent)
{
switch (nextContent.ContentType)
{
case ContentType.Video:
regionManager.ActivateViewInRegion<VideoContentView>("lesson_content_display");
break;
case ContentType.Assessment:
regionManager.ActivateViewInRegion<QuizContentView>("lesson_content_display");
break;
default:
throw new InvalidOperationException("Don't know what to do with " + nextContent.ContentType.ToString());
}
CurrentContent = nextContent;
}
public bool IsVideo(Content nextContent)
{
return nextContent.ContentType == ContentType.Video;
}
public bool IsQuiz(Content content)
{
return content.ContentType == ContentType.Assessment;
}