Loading RenderingReferences using Glass

RenderingReferences.cs

    // First create an attribute that specifies that the property should load the rendering refences

    public class SitecoreRenderingsAttribute : AbstractSitecorePropertyAttribute
    {
        public Device Device { get; set; }
    }

    //I am using an enumeration to determine which device to load
    public enum Device
    {
        Default,
        Print
    }


    //then create a data handler to load the references

    public class SitecoreRenderingsHandler :AbstractSitecoreDataHandler
    {
        public override bool WillHandle(Configuration.SitecoreProperty property, IEnumerable<AbstractSitecoreDataHandler> datas, Dictionary<Type, Configuration.SitecoreClassConfig> classes)
        {
            return property.Attribute is SitecoreRenderingsAttribute && 
                property.Property == typeof (IEnumerable<RenderingReference>);
        }

        public override object GetValue(global::Sitecore.Data.Items.Item item, ISitecoreService service)
        {
            //you may want to lazy load this 
            var device = item.Database.GetItem("/sitecore/layout/Devices/" + Device.ToString());
            return item.Visualization.GetRenderings(new DeviceItem(device), false);
        }

        public override void SetValue(global::Sitecore.Data.Items.Item item, object value, ISitecoreService service)
        {
            throw new NotImplementedException();
        }

        public override bool CanSetValue
        {
            get { return false; }

        }

        public override void ConfigureDataHandler(Configuration.SitecoreProperty scProperty)
        {
            var attr = scProperty.Attribute as SitecoreRenderingsAttribute;
            this.Device = attr.Device;
            base.ConfigureDataHandler(scProperty);
        }

        public Device Device { get; set; }
    }

    //configure class to use the data handler
    AttributeConfigurationLoader loader = new AttributeConfigurationLoader("Demo.Models, Demo");
    loader.AddDataHandler(new SitecoreRenderingsHandler());


    //configure the property on a class

    [SitecoreClass]
    public class MyModel{
        [SitecoreRenderings(Device=Device.Print)]
        public IEnumerable<RenderingReference> Renderings { get; set; }
    }