/// <summary>
///
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <typeparam name="TValue"></typeparam>
/// <param name="html"></param>
/// <param name="expression"></param>
/// <param name="format"></param>
/// <param name="htmlAttributes"></param>
/// <param name="helpText"></param>
/// <param name="readOnly"></param>
/// <returns></returns>
public static MvcHtmlString DnnTexBoxDateTimeFor <TModel, TValue>(
this DnnHtmlHelper <TModel> html, Expression <Func <TModel
, TValue> > expression
, string format
, IDictionary <string, object> htmlAttributes = null
, bool readOnly = false
)
{
if (htmlAttributes == null)
{
htmlAttributes = new Dictionary <string, object>();
}
ModelMetadata modelMetadata = ModelMetadata.FromLambdaExpression(expression, html.ViewData);
if (modelMetadata == null)
{
if (readOnly)
{
if (htmlAttributes.ContainsKey("readonly") == false)
{
htmlAttributes.Add("readonly", "read-only");
}
}
}
else
{
if (htmlAttributes.ContainsKey("placeholder") == false)
{
var htmlFieldName = ExpressionHelper.GetExpressionText(expression);
var labelText =
modelMetadata.DisplayName ??
modelMetadata.PropertyName ??
htmlFieldName.Split('.').Last();
if (!string.IsNullOrWhiteSpace(labelText))
{
htmlAttributes.Add("placeholder", labelText);
}
}
if ((readOnly) || (modelMetadata.IsReadOnly))
{
if (!htmlAttributes.ContainsKey("readonly"))
{
htmlAttributes.Add("readonly", "read-only");
}
}
}
htmlAttributes.Add("class", "form-control");
MemberExpression memberExpression = expression.Body as MemberExpression;
if (memberExpression != null)
{
StringLengthAttribute stringLengthAttribute =
memberExpression
.Member
.GetCustomAttributes(typeof(StringLengthAttribute), false)
.FirstOrDefault() as StringLengthAttribute;
if (stringLengthAttribute != null)
{
if (htmlAttributes.ContainsKey("maxlength") == false)
{
htmlAttributes.Add("maxlength", stringLengthAttribute.MaximumLength);
}
}
}
return(html.TextBoxFor(expression, format, htmlAttributes));
}
