protected virtual string GenerateValue(string expression, object value, string format, bool useViewData)
{
var fullName = DefaultHtmlGenerator.GetFullHtmlFieldName(ViewContext, expression);
var attemptedValue =
(string)DefaultHtmlGenerator.GetModelStateValue(ViewContext, fullName, typeof(string));
string resolvedValue;
if (attemptedValue != null)
{
// case 1: if ModelState has a value then it's already formatted so ignore format string
resolvedValue = attemptedValue;
}
else if (useViewData)
{
// case 2: format the value from ViewData
resolvedValue = DefaultHtmlGenerator.EvalString(ViewContext, expression, format);
}
else
{
// case 3: format the explicit value from ModelMetadata
resolvedValue = FormatValue(value, format);
}
return(resolvedValue);
}
protected virtual string GenerateId(string expression)
{
var fullName = DefaultHtmlGenerator.GetFullHtmlFieldName(ViewContext, expression: expression);
var id = TagBuilder.CreateSanitizedId(fullName, IdAttributeDotReplacement);
return(id);
}
private static HtmlHelper <TModel> GetHtmlHelper <TModel>(
ViewDataDictionary <TModel> viewData,
IUrlHelper urlHelper,
ICompositeViewEngine viewEngine,
IModelMetadataProvider provider,
Func <IHtmlHelper, IHtmlHelper> innerHelperWrapper,
IHtmlGenerator htmlGenerator)
{
var httpContext = new DefaultHttpContext();
var actionContext = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
var bindingContext = new ActionBindingContext()
{
ValidatorProvider = new DataAnnotationsModelValidatorProvider(),
};
var bindingContextAccessor = new MockScopedInstance <ActionBindingContext>();
bindingContextAccessor.Value = bindingContext;
var serviceProvider = new Mock <IServiceProvider>();
serviceProvider
.Setup(s => s.GetService(typeof(ICompositeViewEngine)))
.Returns(viewEngine);
serviceProvider
.Setup(s => s.GetService(typeof(IUrlHelper)))
.Returns(urlHelper);
serviceProvider
.Setup(s => s.GetService(typeof(IViewComponentHelper)))
.Returns(new Mock <IViewComponentHelper>().Object);
httpContext.RequestServices = serviceProvider.Object;
if (htmlGenerator == null)
{
htmlGenerator = new DefaultHtmlGenerator(
GetAntiForgeryInstance(),
bindingContextAccessor,
provider,
urlHelper);
}
// TemplateRenderer will Contextualize this transient service.
var innerHelper = (IHtmlHelper) new HtmlHelper(htmlGenerator, viewEngine, provider);
if (innerHelperWrapper != null)
{
innerHelper = innerHelperWrapper(innerHelper);
}
serviceProvider
.Setup(s => s.GetService(typeof(IHtmlHelper)))
.Returns(() => innerHelper);
var htmlHelper = new HtmlHelper <TModel>(htmlGenerator, viewEngine, provider);
var viewContext = new ViewContext(actionContext, Mock.Of <IView>(), viewData, new StringWriter());
htmlHelper.Contextualize(viewContext);
return(htmlHelper);
}
protected virtual string GenerateValue(string name, object value, string format, bool useViewData)
{
var fullName = DefaultHtmlGenerator.GetFullHtmlFieldName(ViewContext, name);
var attemptedValue =
(string)DefaultHtmlGenerator.GetModelStateValue(ViewContext, fullName, typeof(string));
string resolvedValue;
if (attemptedValue != null)
{
// case 1: if ModelState has a value then it's already formatted so ignore format string
resolvedValue = attemptedValue;
}
else if (useViewData)
{
if (string.IsNullOrEmpty(name))
{
// case 2(a): format the value from ModelMetadata for the current model
var metadata = ViewData.ModelMetadata;
resolvedValue = FormatValue(metadata.Model, format);
}
else
{
// case 2(b): format the value from ViewData
resolvedValue = DefaultHtmlGenerator.EvalString(ViewContext, name, format);
}
}
else
{
// case 3: format the explicit value from ModelMetadata
resolvedValue = FormatValue(value, format);
}
return(resolvedValue);
}
private static IHtmlContent BooleanTemplateDropDownList(IHtmlHelper htmlHelper, bool?value)
{
var selectTag = new TagBuilder("select");
selectTag.AddCssClass("list-box");
selectTag.AddCssClass("tri-state");
selectTag.Attributes["disabled"] = "disabled";
var content = new BufferedHtmlContent();
foreach (var item in TriStateValues(value))
{
content.Append(DefaultHtmlGenerator.GenerateOption(item, item.Text));
}
selectTag.InnerHtml = content;
return(selectTag);
}
private static string BooleanTemplateDropDownList(IHtmlHelper html, bool?value)
{
var selectTag = new TagBuilder("select");
selectTag.AddCssClass("list-box");
selectTag.AddCssClass("tri-state");
selectTag.Attributes["disabled"] = "disabled";
var builder = new StringBuilder();
builder.Append(selectTag.ToString(TagRenderMode.StartTag));
foreach (var item in TriStateValues(value))
{
var encodedText = html.Encode(item.Text);
var option = DefaultHtmlGenerator.GenerateOption(item, encodedText);
builder.Append(option);
}
builder.Append(selectTag.ToString(TagRenderMode.EndTag));
return(builder.ToString());
}
protected virtual string GenerateName(string expression)
{
var fullName = DefaultHtmlGenerator.GetFullHtmlFieldName(ViewContext, expression);
return(fullName);
}
private static HtmlHelper <TModel> GetHtmlHelper <TModel>(
ViewDataDictionary <TModel> viewData,
IUrlHelper urlHelper,
ICompositeViewEngine viewEngine,
IModelMetadataProvider provider,
Func <IHtmlHelper, IHtmlHelper> innerHelperWrapper,
IHtmlGenerator htmlGenerator,
string idAttributeDotReplacement)
{
var httpContext = new DefaultHttpContext();
var actionContext = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
var options = new MvcOptions();
if (!string.IsNullOrEmpty(idAttributeDotReplacement))
{
options.HtmlHelperOptions.IdAttributeDotReplacement = idAttributeDotReplacement;
}
options.ClientModelValidatorProviders.Add(new DataAnnotationsClientModelValidatorProvider());
var optionsAccessor = new Mock <IOptions <MvcOptions> >();
optionsAccessor
.SetupGet(o => o.Options)
.Returns(options);
var serviceProvider = new Mock <IServiceProvider>();
serviceProvider
.Setup(s => s.GetService(typeof(ICompositeViewEngine)))
.Returns(viewEngine);
serviceProvider
.Setup(s => s.GetService(typeof(IUrlHelper)))
.Returns(urlHelper);
serviceProvider
.Setup(s => s.GetService(typeof(IViewComponentHelper)))
.Returns(new Mock <IViewComponentHelper>().Object);
httpContext.RequestServices = serviceProvider.Object;
if (htmlGenerator == null)
{
htmlGenerator = new DefaultHtmlGenerator(
GetAntiForgeryInstance(),
optionsAccessor.Object,
provider,
urlHelper,
new CommonTestEncoder());
}
// TemplateRenderer will Contextualize this transient service.
var innerHelper = (IHtmlHelper) new HtmlHelper(
htmlGenerator,
viewEngine,
provider,
new CommonTestEncoder(),
new UrlEncoder(),
new JavaScriptStringEncoder());
if (innerHelperWrapper != null)
{
innerHelper = innerHelperWrapper(innerHelper);
}
serviceProvider
.Setup(s => s.GetService(typeof(IHtmlHelper)))
.Returns(() => innerHelper);
var htmlHelper = new HtmlHelper <TModel>(
htmlGenerator,
viewEngine,
provider,
new CommonTestEncoder(),
new UrlEncoder(),
new JavaScriptStringEncoder());
var viewContext = new ViewContext(
actionContext,
Mock.Of <IView>(),
viewData,
null,
new StringWriter(),
options.HtmlHelperOptions);
htmlHelper.Contextualize(viewContext);
return(htmlHelper);
}
private static HtmlHelper <TModel> GetHtmlHelper <TModel>(
ViewDataDictionary <TModel> viewData,
IUrlHelper urlHelper,
ICompositeViewEngine viewEngine,
IModelMetadataProvider provider,
Func <IHtmlHelper, IHtmlHelper> innerHelperWrapper,
IHtmlGenerator htmlGenerator,
string idAttributeDotReplacement)
{
var httpContext = new DefaultHttpContext();
var actionContext = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
var options = new MvcViewOptions();
if (!string.IsNullOrEmpty(idAttributeDotReplacement))
{
options.HtmlHelperOptions.IdAttributeDotReplacement = idAttributeDotReplacement;
}
var localizationOptionsAccesor = new Mock <IOptions <MvcDataAnnotationsLocalizationOptions> >();
localizationOptionsAccesor.SetupGet(o => o.Value).Returns(new MvcDataAnnotationsLocalizationOptions());
options.ClientModelValidatorProviders.Add(new DataAnnotationsClientModelValidatorProvider(
new ValidationAttributeAdapterProvider(),
localizationOptionsAccesor.Object,
stringLocalizerFactory: null));
var optionsAccessor = new Mock <IOptions <MvcViewOptions> >();
optionsAccessor
.SetupGet(o => o.Value)
.Returns(options);
var urlHelperFactory = new Mock <IUrlHelperFactory>();
urlHelperFactory
.Setup(f => f.GetUrlHelper(It.IsAny <ActionContext>()))
.Returns(urlHelper);
if (htmlGenerator == null)
{
htmlGenerator = new DefaultHtmlGenerator(
Mock.Of <IAntiforgery>(),
optionsAccessor.Object,
provider,
urlHelperFactory.Object,
new HtmlTestEncoder());
}
// TemplateRenderer will Contextualize this transient service.
var innerHelper = (IHtmlHelper) new HtmlHelper(
htmlGenerator,
viewEngine,
provider,
new TestViewBufferScope(),
new HtmlTestEncoder(),
UrlEncoder.Default,
JavaScriptEncoder.Default);
if (innerHelperWrapper != null)
{
innerHelper = innerHelperWrapper(innerHelper);
}
var serviceProvider = new ServiceCollection()
.AddSingleton(viewEngine)
.AddSingleton(urlHelperFactory.Object)
.AddSingleton(Mock.Of <IViewComponentHelper>())
.AddSingleton(innerHelper)
.AddSingleton <IViewBufferScope, TestViewBufferScope>()
.BuildServiceProvider();
httpContext.RequestServices = serviceProvider;
var htmlHelper = new HtmlHelper <TModel>(
htmlGenerator,
viewEngine,
provider,
new TestViewBufferScope(),
new HtmlTestEncoder(),
UrlEncoder.Default,
JavaScriptEncoder.Default);
var viewContext = new ViewContext(
actionContext,
Mock.Of <IView>(),
viewData,
new TempDataDictionary(
httpContext,
Mock.Of <ITempDataProvider>()),
new StringWriter(),
options.HtmlHelperOptions);
htmlHelper.Contextualize(viewContext);
return(htmlHelper);
}
private static HtmlHelper <TModel> GetHtmlHelper <TModel>(
ViewDataDictionary <TModel> viewData,
IUrlHelper urlHelper,
ICompositeViewEngine viewEngine,
IModelMetadataProvider provider,
Func <IHtmlHelper, IHtmlHelper> innerHelperWrapper)
{
var httpContext = new Mock <HttpContext>();
httpContext
.Setup(o => o.Response)
.Returns(Mock.Of <HttpResponse>());
httpContext
.Setup(o => o.Items)
.Returns(new Dictionary <object, object>());
var actionContext = new ActionContext(httpContext.Object,
new RouteData(),
new ActionDescriptor());
var actionBindingContext = new ActionBindingContext(actionContext,
provider,
Mock.Of <IModelBinder>(),
Mock.Of <IValueProvider>(),
Mock.Of <IInputFormatterSelector>(),
new DataAnnotationsModelValidatorProvider());
var actionBindingContextProvider = new Mock <IActionBindingContextProvider>();
actionBindingContextProvider
.Setup(c => c.GetActionBindingContextAsync(It.IsAny <ActionContext>()))
.Returns(Task.FromResult(actionBindingContext));
var serviceProvider = new Mock <IServiceProvider>();
serviceProvider
.Setup(s => s.GetService(typeof(ICompositeViewEngine)))
.Returns(viewEngine);
serviceProvider
.Setup(s => s.GetService(typeof(IUrlHelper)))
.Returns(urlHelper);
serviceProvider
.Setup(s => s.GetService(typeof(IViewComponentHelper)))
.Returns(new Mock <IViewComponentHelper>().Object);
httpContext
.Setup(o => o.RequestServices)
.Returns(serviceProvider.Object);
var htmlGenerator = new DefaultHtmlGenerator(
actionBindingContextProvider.Object,
GetAntiForgeryInstance(),
provider,
urlHelper);
// TemplateRenderer will Contextualize this transient service.
var innerHelper = (IHtmlHelper) new HtmlHelper(htmlGenerator, viewEngine, provider);
if (innerHelperWrapper != null)
{
innerHelper = innerHelperWrapper(innerHelper);
}
serviceProvider
.Setup(s => s.GetService(typeof(IHtmlHelper)))
.Returns(() => innerHelper);
var htmlHelper = new HtmlHelper <TModel>(htmlGenerator, viewEngine, provider);
var viewContext = new ViewContext(actionContext, Mock.Of <IView>(), viewData, new StringWriter());
htmlHelper.Contextualize(viewContext);
return(htmlHelper);
}
