C:/Private/OSS/n2cms/github/n2cms/src/Framework/Extensions/Web/Mvc/MvcConventionTemplateAttribute.cs

Go to the documentation of this file.

using System;

namespace N2.Web.Mvc
{
        public class MvcConventionTemplateAttribute : Attribute, IPathFinder
        {
                private readonly string _otherTemplateName;
                private IControllerMapper _controllerMapper;

                public string DefaultAction { get; set; }

                public MvcConventionTemplateAttribute()
                {
                        DefaultAction = "Index";
                }

                public MvcConventionTemplateAttribute(string otherTemplateName) : this()
                {
                        _otherTemplateName = otherTemplateName;
                }

                #region IPathFinder Members

                public PathData GetPath(ContentItem item, string remainingUrl)
                {
                        if (remainingUrl != null && (remainingUrl.ToLowerInvariant() == "Default.aspx" || remainingUrl.Contains("/")))
                                return null;

                        if (item == null)
                                throw new ArgumentNullException("item");

                        Type itemType = item.GetContentType();

                        string templateName = _otherTemplateName ?? itemType.Name;

                        string action = remainingUrl ?? DefaultAction;

                        if (ActionDoesNotExistOnController(item, action))
                                return null;

                        return new PathData(item, templateName, action, String.Empty);
                }

                #endregion

                // For unit tests
                public IControllerMapper ControllerMapper
                {
                        get { return _controllerMapper = _controllerMapper ?? N2.Context.Current.Resolve<IControllerMapper>(); }
                        set { _controllerMapper = value; }
                }

                private bool ActionDoesNotExistOnController(ContentItem item, string action)
                {
                        var controllerName = ControllerMapper.GetControllerName(item.GetContentType());

                        return !ControllerMapper.ControllerHasAction(controllerName, action);
                }
        }
}