C# .NET: ActionLink Helpers for MVC3

HtmlHelpers.cs

// --------------------------------------------------------------------------------------------------------------------
// <copyright file="HtmlHelpers.cs" company="">
//   Nero Sule
// </copyright>
// <summary>
//   HTML Helpers
// </summary>
// --------------------------------------------------------------------------------------------------------------------

namespace Web.HtmlHelpers
{
    using System.Web.Mvc;
    using System.Web.Mvc.Html;

    /// <summary>
    /// HTML Helpers
    /// </summary>
    public static class HtmlHelpers
    {
        /// <summary>
        /// Formats a menu link for action.
        /// </summary>
        /// <param name="htmlHelper">
        /// The html helper.
        /// </param>
        /// <param name="linkText">
        /// The link text.
        /// </param>
        /// <param name="actionName">
        /// The action name.
        /// </param>
        /// <param name="controllerName">
        /// The controller name.
        /// </param>
        /// <param name="className">
        /// The class name to be appended to the link.
        /// </param>
        /// <returns>
        /// Formatted HTML String
        /// </returns>
        public static MvcHtmlString MenuLink(this HtmlHelper htmlHelper, string linkText, string actionName, string controllerName, string className)
        {
            string currentAction = htmlHelper.ViewContext.RouteData.GetRequiredString("action");
            string currentController = htmlHelper.ViewContext.RouteData.GetRequiredString("controller");
            if (actionName == currentAction && controllerName == currentController)
            {
                return htmlHelper.ActionLink(linkText, actionName, controllerName, null, new { @class = className });
            }
            return htmlHelper.ActionLink(linkText, actionName, controllerName);
        }

        /// <summary>
        /// Formats a Menu Link for controller rather than action.
        /// </summary>
        /// <param name="htmlHelper">
        /// The html helper.
        /// </param>
        /// <param name="linkText">
        /// The link text.
        /// </param>
        /// <param name="actionName">
        /// The action name.
        /// </param>
        /// <param name="controllerName">
        /// The controller name.
        /// </param>
        /// <param name="className">
        /// The class name to be attached to the link.
        /// </param>
        /// <returns>
        /// Formatted menu link
        /// </returns>
        public static MvcHtmlString MenuLinkForController(this HtmlHelper htmlHelper, string linkText, string actionName, string controllerName, string className)
        {
            string currencController = htmlHelper.ViewContext.RouteData.GetRequiredString("controller");
            if (controllerName == currencController)
            {
                return htmlHelper.ActionLink(linkText, actionName, controllerName, null, new { @class = className });
            }
            return htmlHelper.ActionLink(linkText, actionName, controllerName);
        }

        /// <summary>
        /// Action link, if longer than set amount of characters, shortened to that amount and three dots added.
        /// </summary>
        /// <param name="htmlHelper">
        /// The html helper.
        /// </param>
        /// <param name="linkText">
        /// The link text.
        /// </param>
        /// <param name="actionName">
        /// The action name.
        /// </param>
        /// <param name="controllerName">
        /// The controller name.
        /// </param>
        /// <param name="routeValues">
        /// Route values
        /// </param>
        /// <param name="arguments">
        /// The arguments.
        /// </param>
        /// <param name="places">
        /// The places.
        /// </param>
        /// <returns>
        /// Formatted string
        /// </returns>
        public static MvcHtmlString ShortActionLink(
            this HtmlHelper htmlHelper,
            string linkText,
            string actionName,
            string controllerName,
            object routeValues = null,
            object arguments = null,
            int places = 8)
        {
            var text = linkText;
            if (linkText.Length >= places)
            {
                text = linkText.Substring(0, places) + "...";
            }
            return htmlHelper.ActionLink(text, actionName, controllerName, routeValues, arguments);
        }
    }
}