/// <summary> /// Returns an anchor element (a element) for the specified link text, action, controller, and route values. /// </summary> /// <param name="linkText">The inner text of the anchor element.</param> /// <param name="actionName">The name of the action.</param> /// <param name="controllerName">The name of the controller.</param> /// <param name="routeValues">An Object that contains the parameters for a route.</param> /// <returns>An anchor element (a element).</returns> /// <exception cref="ArgumentNullException"></exception> public IEncodedString ActionLink(string linkText, string actionName, string controllerName, object routeValues) { var routerValuesDict = UtilHelper.ObjectToDictionary(routeValues); return(ActionLink(linkText, actionName, controllerName, routerValuesDict, null)); }
/// <summary> /// {{actionLink 'linkText' 'action' 'controller' (object key=value) (object key=value) 'protocol' 'host'}} /// </summary> /// <return> /// <a href=protocol://host/controller/action?routeValues>linkText</a> /// </return> public void RegisterActionLink_Helper() { _hbsService.RegisterHelper("actionLink", (output, context, arguments) => { if (arguments.Length < 3 || arguments.Length > 7) { throw new HandlebarsException("{{actionLink}} helper must have at least 3 arguments with maximum 7 arguments"); } var linkText = arguments.At <string>(0); var actionName = arguments.At <string>(1); var controllerName = arguments.At <string>(2); var initialRouteValues = arguments.Length > 3 ? arguments.At <Dictionary <string, object> >(3) : null; var initialHtmlAttributes = arguments.Length > 4 ? arguments.At <Dictionary <string, object> >(4) : null; var protocol = arguments.Length > 5 ? arguments.At <string>(5) : null; var hostName = arguments.Length > 6 ? arguments.At <string>(6) : null; if (string.IsNullOrWhiteSpace(actionName)) { throw missingParameterException("actionLink", "actionName"); } if (string.IsNullOrWhiteSpace(controllerName)) { throw missingParameterException("actionLink", "controllerName"); } var routeValues = CastDictionary(initialRouteValues); if (initialRouteValues != null && routeValues == null) { throw new ArgumentException("Couldn't Cast RouteValues. @{actionLink}"); } var htmlAttributes = CastDictionary(initialHtmlAttributes); if (initialHtmlAttributes != null && htmlAttributes == null) { throw new ArgumentException("Couldn't Cast HtmlAttributes. @{actionLink}"); } Uri uri = null; if (routeValues != null && routeValues.Count != 0) { routeValues.Add("action", actionName); routeValues.Add("controller", controllerName); uri = UtilHelper.BuildURI(protocol ?? _viewSettings.Protocol, hostName ?? _viewSettings.Hostname, _viewSettings.UrlPattern, routeValues); } else { var uriBuilder = new UriBuilder(protocol ?? _viewSettings.Protocol, hostName ?? _viewSettings.Hostname) { Path = controllerName + "/" + actionName }; uri = uriBuilder.Uri; } if (linkText == null) { linkText = uri.ToString(); } var htmlAttrStr = UtilHelper.ConvertDictionaryToString(htmlAttributes); var link = string.Format("<a {2}href=\"{0}\">{1}</a>", uri.ToString(), HttpUtility.HtmlEncode(linkText), htmlAttrStr); output.WriteSafeString(link); }); }