using System.Linq;
using System.Web.Mvc;
using DevExpress.Web.Mvc;

namespace MyProject.Controllers
{
    public class HomeController : Controller
    {
        public ActionResult Index()
        {
            ViewBag.GridSettings = GetGridSettings();
            return View();
        }
        // The Entity Framework data context
        MyProject.Models.northwndEntities db = new MyProject.Models.northwndEntities();

        // Handles CardView callbacks.
        [ValidateInput(false)]
        public ActionResult CardViewPartial()
        {
            ViewBag.GridSettings = GetGridSettings();
            var model = db.Products;
            return PartialView("_CardViewPartial", model.ToList());
        }

        // This action method sends a PDF document with the exported grid to response.
        public ActionResult ExportTo()
        {
            var model = db.Products;
            return CardViewExtension.ExportToPdf(GetGridSettings(), model.ToList());
        }

        // Returns the settings of the exported CardView.
        private CardViewSettings GetGridSettings() {
            var settings = new CardViewSettings();
            settings.Name = "CardView";
            settings.CallbackRouteValues = new { Controller = "Home", Action = "CardViewPartial" };

            // Export-specific settings 
            settings.SettingsExport.ExportSelectedCardsOnly = false;
            settings.SettingsExport.FileName = "Report.pdf";
            settings.SettingsExport.PaperKind = System.Drawing.Printing.PaperKind.A4;

            settings.KeyFieldName = "ProductID";
            settings.Columns.Add("ProductName");
            settings.Columns.Add("UnitPrice").PropertiesEdit.DisplayFormatString = "c";
            settings.Columns.Add("QuantityPerUnit");
            settings.Columns.Add("Discontinued", MVCxCardViewColumnType.CheckBox);

            return settings;
        }
    }
}

@Html.Action("CardViewPartial")

// When an end-user clicks this button, the button sends a callback to the "ExportTo" action and  
// the server sends the resulting export file to the response.
@Html.DevExpress().Button(settings =>
{
    settings.Name = "Button";
    settings.UseSubmitBehavior = false;
    settings.Text = "ExportTo PDF";
    settings.RouteValues = new { Controller = "Home", Action = "ExportTo" };
}).GetHtml()

@{
    var grid = Html.DevExpress().CardView(ViewBag.GridSettings);
}
@grid.Bind(Model).GetHtml()