public static string ToString(Microsoft.AspNetCore.Html.IHtmlContent content)
{
var writer = new System.IO.StringWriter();
content.WriteTo(writer, System.Text.Encodings.Web.HtmlEncoder.Default);
return(writer.ToString());
}
public void Is(string expected, IHtmlString result, string message = null)
{
//var resultStr = result.ToString();
//int index = expected.Zip(resultStr, (c1, c2) => c1 == c2).TakeWhile(b => b).Count() + 1;
//Assert.AreEqual(expected, resultStr, message + $"(pos: {index}");
Is(expected, result.ToString(), message);
}
/// <summary>
/// Processes the tag helper
/// </summary>
/// <param name="context">Context</param>
/// <param name="output">Output</param>
public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
SetTag(output);
IHtmlHelper htmlHelper = ViewContext.GetService <IHtmlHelper>();
HtmlEncoder htmlEncoder = ViewContext.GetService <HtmlEncoder>();
(htmlHelper as IViewContextAware).Contextualize(ViewContext);
Microsoft.AspNetCore.Html.IHtmlContent partial = await htmlHelper.PartialAsync(GetView(), await GetViewModelAsync());
var writer = new StringWriter();
partial.WriteTo(writer, htmlEncoder);
output.Content.SetHtmlContent(writer.ToString());
}
/// <summary>
/// Process
/// </summary>
/// <param name="context">Context</param>
/// <param name="output">Output</param>
public override void Process(TagHelperContext context, TagHelperOutput output)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
//clear the output
output.SuppressOutput();
//generate antiforgery
Microsoft.AspNetCore.Html.IHtmlContent antiforgeryTag = Generator.GenerateAntiforgery(ViewContext);
if (antiforgeryTag != null)
{
output.Content.SetHtmlContent(antiforgeryTag);
}
}
/// <summary>
/// Process
/// </summary>
/// <param name="context">Context</param>
/// <param name="output">Output</param>
public override void Process(TagHelperContext context, TagHelperOutput output)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
//clear the output
output.SuppressOutput();
//container for additional attributes
Dictionary <string, object> htmlAttributes = new Dictionary <string, object>();
//disabled attribute
bool.TryParse(IsDisabled, out bool disabled);
if (disabled)
{
htmlAttributes.Add("disabled", "disabled");
}
//required asterisk
bool.TryParse(IsRequired, out bool required);
if (required)
{
output.PreElement.SetHtmlContent("<div class='input-group input-group-required'>");
output.PostElement.SetHtmlContent("<div class=\"input-group-btn\"><span class=\"required\">*</span></div></div>");
}
//contextualize IHtmlHelper
IViewContextAware viewContextAware = _htmlHelper as IViewContextAware;
viewContextAware?.Contextualize(ViewContext);
//add form-control class
bool.TryParse(RenderFormControlClass, out bool renderFormControlClass);
if (string.IsNullOrEmpty(RenderFormControlClass) && For.Metadata.ModelType.Name.Equals("String") || renderFormControlClass)
{
htmlAttributes.Add("class", "form-control");
}
//generate editor
//we have to invoke strong typed "EditorFor" method of HtmlHelper<TModel>
//but we cannot do it because we don't have access to Expression<Func<TModel, TValue>>
//more info at https://github.com/aspnet/Mvc/blob/dev/src/Microsoft.AspNetCore.Mvc.ViewFeatures/ViewFeatures/HtmlHelperOfT.cs
//so we manually invoke implementation of "GenerateEditor" method of HtmlHelper
//more info at https://github.com/aspnet/Mvc/blob/dev/src/Microsoft.AspNetCore.Mvc.ViewFeatures/ViewFeatures/HtmlHelper.cs
//little workaround here. we need to access private properties of HtmlHelper
//just ensure that they are not renamed by asp.net core team in future versions
IViewEngine viewEngine = CommonHelper.GetPrivateFieldValue(_htmlHelper, "_viewEngine") as IViewEngine;
IViewBufferScope bufferScope = CommonHelper.GetPrivateFieldValue(_htmlHelper, "_bufferScope") as IViewBufferScope;
TemplateBuilder templateBuilder = new TemplateBuilder(
viewEngine,
bufferScope,
_htmlHelper.ViewContext,
_htmlHelper.ViewData,
For.ModelExplorer,
For.Name,
Template,
readOnly: false,
additionalViewData: new { htmlAttributes, postfix = this.Postfix });
Microsoft.AspNetCore.Html.IHtmlContent htmlOutput = templateBuilder.Build();
output.Content.SetHtmlContent(htmlOutput.RenderHtmlContent());
}
protected bool TryResolveUrl(string url, out Microsoft.AspNetCore.Html.IHtmlContent resolvedUrl)
{
throw null;
}
public Microsoft.AspNetCore.Razor.TagHelpers.TagHelperContent SetHtmlContent(Microsoft.AspNetCore.Html.IHtmlContent htmlContent)
{
throw null;
}
Microsoft.AspNetCore.Html.IHtmlContentBuilder Microsoft.AspNetCore.Html.IHtmlContentBuilder.AppendHtml(Microsoft.AspNetCore.Html.IHtmlContent content)
{
throw null;
}
public abstract Microsoft.AspNetCore.Razor.TagHelpers.TagHelperContent AppendHtml(Microsoft.AspNetCore.Html.IHtmlContent htmlContent);
public override Microsoft.AspNetCore.Razor.TagHelpers.TagHelperContent AppendHtml(Microsoft.AspNetCore.Html.IHtmlContent htmlContent)
{
throw null;
}
public static Microsoft.AspNetCore.Html.IHtmlContentBuilder SetHtmlContent(this Microsoft.AspNetCore.Html.IHtmlContentBuilder builder, Microsoft.AspNetCore.Html.IHtmlContent content)
{
throw null;
}
public Microsoft.AspNetCore.Html.IHtmlContentBuilder AppendHtml(Microsoft.AspNetCore.Html.IHtmlContent htmlContent)
{
throw null;
}
public static Microsoft.AspNetCore.Html.IHtmlContentBuilder AppendLine(this Microsoft.AspNetCore.Html.IHtmlContentBuilder builder, Microsoft.AspNetCore.Html.IHtmlContent content) => throw null;
