public static IHtmlContent PropertyFor <TModel, TValue>(this IHtmlHelper <TModel> html, Expression <Func <TModel, TValue> > expression)
{
if (ModeProvider == null)
{
ModeProvider = (IModeProvider)html.ViewContext.HttpContext.RequestServices.GetService(typeof(IModeProvider));
}
var result = html.DisplayFor(expression);
if (ModeProvider.GetIsPageEditing(html.ViewContext.HttpContext) != true)
{
return(result);
}
if (PropertyForHtmlGenerator == null)
{
PropertyForHtmlGenerator = (IPropertyForHtmlGenerator)html.ViewContext.HttpContext.RequestServices.GetService(typeof(IPropertyForHtmlGenerator));
}
string resultString;
using (var writer = new StringWriter())
{
result.WriteTo(writer, HtmlEncoder.Default);
resultString = writer.ToString();
}
return(new HtmlString(PropertyForHtmlGenerator.GenerateHtml(html.ViewData.Model, expression, resultString)));
}
public async Task InvokeAsync(HttpContext httpContext)
{
var path = httpContext.Request.Path.ToString();
if (path.StartsWith(PathPrefixProvider.Prefix, StringComparison.InvariantCultureIgnoreCase))
{
ModeProvider.SetIsPageEditing(httpContext, true);
httpContext.Request.Path = "/" + path.Substring(PathPrefixProvider.Prefix.Length);
}
await Next(httpContext);
}
public static IHtmlContent AddPageEditing(this IHtmlHelper html)
{
if (ModeProvider == null)
{
ModeProvider = (IModeProvider)html.ViewContext.HttpContext.RequestServices.GetService(typeof(IModeProvider));
}
if (ModeProvider.GetIsPageEditing(html.ViewContext.HttpContext) != true)
{
return(null);
}
if (AddPageEditingHtmlGenerator == null)
{
AddPageEditingHtmlGenerator = (IAddPageEditingHtmlGenerator)html.ViewContext.HttpContext.RequestServices.GetService(typeof(IAddPageEditingHtmlGenerator));
}
return(new HtmlString(AddPageEditingHtmlGenerator.GenerateHtml()));
}