public static IHtmlString CheckBoxForFlagEnum <T>(this HtmlHelper <T> html, Enum item)
{
TemplateInfo templateInfo = html.ViewData.TemplateInfo;
string id = templateInfo.GetFullHtmlFieldId(item.ToString());
string name = templateInfo.GetFullHtmlFieldId(string.Empty);
var checkbox = new TagBuilder("input");
checkbox.Attributes["id"] = id;
checkbox.Attributes["name"] = name;
checkbox.Attributes["type"] = "checkbox";
checkbox.Attributes["value"] = item.ToString();
var model = html.ViewData.Model as Enum;
if (model != null && model.HasFlag(item))
{
checkbox.Attributes["checked"] = "checked";
}
return(MvcHtmlString.Create(checkbox.ToString()));
}
public static ModelMetadata BuildDropdownListenerAttributes(this ModelMetadata metadata, TemplateInfo templateInfo, ref IDictionary <string, object> attributes)
{
if (metadata.AdditionalValues.ContainsKey("dropdownlistener"))
{
var parentName = metadata.AdditionalValues["dropdownlistener-parent"].ToString();
var id = templateInfo.GetFullHtmlFieldId(parentName);
attributes.Add("data-dropdownlistener", true);
attributes.Add("data-dropdownlistener-parent", parentName);
attributes.Add("data-dropdownlistener-callback", metadata.AdditionalValues["dropdownlistener-callback"]);
}
return(metadata);
}
public static string GetFullHtmlFieldId <TModel, TProperty>(this TemplateInfo templateInfo, Expression <Func <TModel, TProperty> > expression)
{
return(templateInfo.GetFullHtmlFieldId(ExpressionHelper.GetExpressionText(expression)));
}
public static string GetFullArrayHtmlFieldId(this TemplateInfo templateInfo, int index, string propertyName)
{
return(templateInfo.GetFullHtmlFieldId("") + "[" + index + "]" + "_" + propertyName);
}
private string GetId <TPoperty>(Expression <Func <TModel, TPoperty> > expression)
{
return(_info.GetFullHtmlFieldId(ExpressionHelper.GetExpressionText(expression)));
}