public static MvcHtmlString TextBoxFor <TModel, TItem>(HtmlHelper <TModel> html, Expression <Func <TModel, TItem> > expr, dynamic attributes)
{
DynamicHelper.SetDynamicObject(ref attributes);
var meta = ModelMetadata.FromLambdaExpression(expr, html.ViewData);
var name = ExpressionHelper.GetExpressionText(expr);
var id = name.Replace('.', '_').Replace("[", "_").Replace("]", "_");
var val = meta.SimpleDisplayText;
DynamicHelper.ChangeDynamicParam(attributes, "type", "text", true);
DynamicHelper.ChangeDynamicParam(attributes, "value", val, true);
DynamicHelper.ChangeDynamicParam(attributes, "name", name, true);
DynamicHelper.ChangeDynamicParam(attributes, "id", id, true);
var attrs = (IDictionary <string, object>)attributes;
var box = new StringBuilder();
box.Append("<input");
foreach (var attr in attrs)
{
if (attr.Value != null)
{
box.Append(" " + attr.Key + "=\"" + attr.Value.ToString() + "\"");
}
}
box.Append("/>");
return(new MvcHtmlString(box.ToString()));
}
public static MvcHtmlString RadioButtonFor <TModel, TItem>(HtmlHelper <TModel> html, Expression <Func <TModel, TItem> > expr, dynamic attributes, bool active = false)
{
DynamicHelper.SetDynamicObject(ref attributes);
var attrs = (IDictionary <string, object>)attributes;
attributes.type = "radio";
var text = "";
if (attrs.ContainsKey("text"))
{
text = (string)attributes.text;
attributes.text = null;
}
if (active && !attrs.ContainsKey("checked"))
{
attrs["checked"] = "checked";
}
var res = TextBoxFor(html, expr, attributes);
return(new MvcHtmlString(res + text.ToString()));
}
public static MvcHtmlString LabelFor <TModel, TItem>(HtmlHelper <TModel> html, Expression <Func <TModel, TItem> > expr, dynamic attributes)
{
DynamicHelper.SetDynamicObject(ref attributes);
var meta = ModelMetadata.FromLambdaExpression(expr, html.ViewData);
var name = ExpressionHelper.GetExpressionText(expr);
var id = name.Replace('.', '_').Replace("[", "_").Replace("]", "_");
var text = meta.DisplayName ?? meta.PropertyName ?? name.Split('.').Last();
DynamicHelper.ChangeDynamicParam(attributes, "for", name);
DynamicHelper.ChangeDynamicParam(attributes, "id", id + "__label");
var attrs = (IDictionary <string, object>)attributes;
var label = new StringBuilder();
label.Append("<label");
foreach (var attr in attrs)
{
label.Append(" " + attr.Key + "=\"" + attr.Value.ToString() + "\"");
}
label.Append(">" + text + "</label>");
return(new MvcHtmlString(label.ToString()));
}