public BookViewModel(int bookId)
{
bookModel = new BookModel();
isLoading = true;
selectChapterCommand = null;
selectedChapter = null;
selectedChapterContent = null;
bookModel.OpenBookAsync(bookId).ContinueWith(epubBook => BookOpened(epubBook), TaskScheduler.FromCurrentSynchronizationContext());
}
private void SelectChapter(ChapterViewModel chapterViewModel)
{
if (selectedChapter != null)
{
selectedChapter.IsSelected = false;
}
selectedChapter = chapterViewModel;
selectedChapter.IsTreeItemExpanded = true;
selectedChapter.IsSelected = true;
SelectedChapterContent = new ChapterContentViewModel(selectedChapter.FilePath, selectedChapter.HtmlContent, images, styleSheets, fonts);
}