using System.Collections.ObjectModel;
using System.Web;
using System.Web.Mvc;
using PdfSharp;
using PdfSharp.Pdf;
using ThinkGeo.MapSuite.Core;
using ThinkGeo.MapSuite.MvcEdition;
using System.Drawing;

namespace CSharp_HowDoISamples
{
    public partial class MiscellaneousController : Controller
    {
        //
        // GET: /UsePdfExtension/

        public ActionResult UsePdfExtension()
        {
            Map map = new Map("Map1",
new System.Web.UI.WebControls.Unit(100, System.Web.UI.WebControls.UnitType.Percentage),
new System.Web.UI.WebControls.Unit(100, System.Web.UI.WebControls.UnitType.Percentage));

            map.MapUnit = GeographyUnit.Meter;
            map.CurrentExtent = new RectangleShape(-10000000, 10000000, 10000000, -10000000);

            map.MapBackground = new BackgroundLayer(new GeoSolidBrush(GeoColor.FromHtml("#E5E3DF")));
            WorldMapKitLayer worldmap = new WorldMapKitLayer();
            worldmap.Open();
            worldmap.Projection = WorldMapKitProjection.SphericalMercator;
         

            map.StaticOverlay.Layers.Add(worldmap);
            return View(map);
        }

        [MapActionFilter]
        public string ToPdf(Map map, GeoCollection<object> args)
        {
            PdfDocument document = new PdfDocument();
            PdfPage page = document.AddPage();
            string selectedItemText = args[0].ToString();
            if (selectedItemText == "Landscape")
            {
                page.Orientation = PageOrientation.Landscape;
            }
            PdfGeoCanvas pdfGeoCanvas = new PdfGeoCanvas();

            RectangleShape rect = new RectangleShape(double.Parse(args["left"].ToString()), double.Parse(args["top"].ToString()), double.Parse(args["right"].ToString()), double.Parse(args["bottom"].ToString()));

            Collection<SimpleCandidate> labelsInLayers = new Collection<SimpleCandidate>();
            foreach (Layer layer in map.StaticOverlay.Layers)
            {
                pdfGeoCanvas.BeginDrawing(page, rect, GeographyUnit.Meter);
                layer.Open();
                layer.Draw(pdfGeoCanvas, labelsInLayers);
                layer.Close();
                pdfGeoCanvas.EndDrawing();
            }

            string relativePath = string.Format("~/Controllers/{0}/{1}", ControllerContext.RouteData.Values["Controller"], "MapSuite PDF Map.pdf");
            string filename = Server.MapPath(relativePath);
            document.Save(filename);

            return VirtualPathUtility.ToAbsolute(relativePath);
        }
    }
}