/// <summary>
/// Initialize a new instance of <see cref="BookTextPageViewModel"/> class.
/// </summary>
/// <param name="book">EPUB book.</param>
/// <param name="settings">The settings entity.</param>
/// <param name="settingsRepository">The settings repository.</param>
public BookTextPageViewModel(EpubBook book, SettingsEntity settings, ISettingsRepository settingsRepository)
{
this.settings = settings;
this.settingsRepository = settingsRepository;
IFiler filer = DependencyService.Get <IFiler>();
#region Custom HTML template
HtmlDocument template = new HtmlDocument();
// Hardcode filename
Stream stream = filer.GetResourceFileStreamAsync("index.html").GetAwaiter().GetResult();
template.Load(stream);
var script = "<script>var lastPageNumber = " + this.settings.LastPage + "</script>";
HtmlNode scriptNode = HtmlNode.CreateNode(script);
var head = template.DocumentNode.ChildNodes.FirstOrDefault(c => c.Name == "html")
.ChildNodes.FirstOrDefault(f => f.Name == "head");
head.ChildNodes.Add(scriptNode);
var textContainer = template.DocumentNode.ChildNodes.FirstOrDefault(c => c.Name == "html")
.ChildNodes.FirstOrDefault(f => f.Name == "body")
.ChildNodes.FirstOrDefault(d => d.Id == "page");
foreach (var html in book.Content.Html)
{
HtmlDocument document = new HtmlDocument();
string htmlString = html.Value.Content.Replace(@"\", string.Empty);
document.LoadHtml(htmlString);
var body =
document.DocumentNode.ChildNodes.FirstOrDefault(c => c.Name == "html")
.ChildNodes.FirstOrDefault(f => f.Name == "body");
foreach (var child in body.ChildNodes)
{
textContainer.ChildNodes.Add(child);
}
}
#endregion
string htmlText = template.DocumentNode.OuterHtml.Replace(@"\", string.Empty);
this.webView = new WebView
{
Source = new HtmlWebViewSource {
Html = htmlText
},
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand
};
this.webView.Navigating += this.NavigatingHandler;
this.Content = this.webView;
}
