internal static string UrlTemplate(HtmlHelper html)
{
return(String.Format(CultureInfo.InvariantCulture,
"<a href=\"{0}\">{1}</a>",
html.AttributeEncode(html.ViewContext.ViewData.Model),
html.Encode(html.ViewContext.ViewData.TemplateInfo.FormattedModelValue)));
}
internal static MvcHtmlString ValueForHelper(
HtmlHelper html,
string name,
object value,
string format,
bool useViewData
)
{
string fullName = html.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(name);
string attemptedValue = (string)html.GetModelStateValue(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 (name.Length == 0)
{
// case 2(a): format the value from ModelMetadata for the current model
ModelMetadata metadata = ModelMetadata.FromStringExpression(
String.Empty,
html.ViewContext.ViewData
);
resolvedValue = html.FormatValue(metadata.Model, format);
}
else
{
// case 2(b): format the value from ViewData
resolvedValue = html.EvalString(name, format);
}
}
else
{
// case 3: format the explicit value from ModelMetadata
resolvedValue = html.FormatValue(value, format);
}
return(MvcHtmlString.Create(html.AttributeEncode(resolvedValue)));
}
public static MvcHtmlString Id(this HtmlHelper html, string name)
{
return(MvcHtmlString.Create(html.AttributeEncode(html.ViewData.TemplateInfo.GetFullHtmlFieldId(name))));
}
