private static Tag BuildSelectTag <TModel, TProperty, TDisplayValue>(HtmlHelpers <TModel> htmlHelper, Expression <Func <TModel, TProperty> > property,
IEnumerable <KeyValuePair <TProperty, TDisplayValue> > values)
{
var currentValue = htmlHelper.Model.Read(property);
var inputProperties = InputProperties.Get(property);
var hasSelected = false;
//TODO: Use id of feed instead of values
var options = values.Select(item =>
{
bool isSelected = item.Key.Equals(currentValue);
if (isSelected)
{
hasSelected = true;
}
return(Tags.Input.Option().Selected(isSelected).Content(item.Value).Value(item.Key));
});
if (!hasSelected)
{
//TODO: Instead of hardcoded string use placeholder from display attribute
var placeholderOption =
Tags.Input.Option().Disabled().Selected(true).Content(HttpUtility.HtmlEncode(inputProperties.Placeholder));
options = new[] { placeholderOption }.Union(options);
}
var finalOption = options.ToArray();
var selectTag = Tags.Input.Select().Content(finalOption).Name(inputProperties.Path);
return(selectTag);
}
private static IHtmlString BuildFormControlInput <TModel, TProperty>(HtmlHelpers <TModel> htmlHelper, Expression <Func <TModel, TProperty> > property, Tag input)
{
var inputProperties = InputProperties.Get(property);
TProperty value = htmlHelper.Model.Read(property);
input.Classes(BootstrapClass.FormControl)
.Id(inputProperties.Path)
.Name(inputProperties.Path)
.Value(value);
if (!string.IsNullOrWhiteSpace(inputProperties.Placeholder))
{
input.Placeholder(inputProperties.Placeholder);
}
return(BuildFormControl(inputProperties.Path, inputProperties.Name, input));
}