private void SelectChapter(ChapterViewModel chapterViewModel)
{
if (string.IsNullOrEmpty(chapterViewModel.HtmlId))
{
bool samePage = false;
if (selectedChapter != null)
{
selectedChapter.IsSelected = false;
if (selectedChapter == chapterViewModel || (!string.IsNullOrEmpty(selectedChapter.HtmlId) && chapterViewModel.ParentChapter == selectedChapter))
{
selectedChapter = null;
selectedChapterContent = null;
samePage = true;
}
}
selectedChapter = chapterViewModel;
selectedChapter.IsTreeItemExpanded = true;
selectedChapter.IsSelected = true;
SelectedChapterContent = new ChapterContentViewModel(selectedChapter.HtmlContent, images, styleSheets, fonts);
if (BookView.View != null && samePage)
{
BookView.View.ScrollTo("");
}
}
else
{
if (selectedChapter == null)
{
selectedChapter = chapterViewModel.ParentChapter;
}
else
{
selectedChapter.IsSelected = false;
}
selectedChapter = chapterViewModel;
selectedChapter.IsTreeItemExpanded = true;
selectedChapter.IsSelected = true;
if (SelectedChapterContent.HtmlContent != chapterViewModel.ParentChapter.HtmlContent)
{
SelectedChapterContent = new ChapterContentViewModel(chapterViewModel.ParentChapter.HtmlContent, images, styleSheets, fonts);
}
Task.Run(async() =>
{
await Task.Delay(100);
if (BookView.View != null)
{
BookView.View.ScrollTo(chapterViewModel.HtmlId);
}
});
// SelectedElement = chapterViewModel.HtmlContent;
}
}
public void LoadBook(int bookId, bool append = false)
{
var epubBook = bookModel.OpenBook(bookId);
Contents = Contents.AddRange(bookModel.GetChapters(epubBook));
images = images.AddRange(epubBook.Content.Images.ToDictionary(imageFile => imageFile.Key, imageFile => imageFile.Value.Content));
styleSheets = styleSheets.AddRange(epubBook.Content.Css.ToDictionary(cssFile => cssFile.Key, cssFile => cssFile.Value.Content));
fonts = fonts.AddRange(epubBook.Content.Fonts.ToDictionary(fontFile => fontFile.Key, fontFile => fontFile.Value.Content));
selectChapterCommand = null;
selectedChapter = null;
selectedChapterContent = null;
if (Contents.Any())
{
SelectChapter(Contents.First());
}
}