ontapmap

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;

//using Com.Google.Android.Maps;
using Android.Graphics.Drawables;
using Android.GoogleMaps;
using MenuFinderAN.BusinessLogic.MenuFinderServiceReference;
using MenuFinderAN.Database;
using MenuFinderAN.Activities;

namespace MenuFinderAN
{
    class MyItemizedOverlay : ItemizedOverlay
    {
        private List<OverlayItem> overlayItems = new List<OverlayItem> ();
        private Context context;

        public MyItemizedOverlay (Context context, Drawable drawable)
            : base(BoundCenterBottom(drawable))
        {
            this.context = context;
            Populate ();
        }

        public override int Size ()
        {
            return overlayItems.Count;
        }

        public void AddItem (GeoPoint p, string title, string snippet)
        {
            OverlayItem item = new OverlayItem (p, title, snippet);
            overlayItems.Add (item);
            Populate ();
        }

        public List<OverlayItem> OverlayItems {
            get { return overlayItems; }
        }

        protected override bool OnTap (int index)
        {
            OverlayItem item = (OverlayItem)overlayItems.ElementAt (index);
            MenuFinderANApplication app = ((MenuFinderANApplication)context.ApplicationContext);
            RestaurantLocation restaurantLocation = app.RestaurantLocations.Where (a => a.Name == item.Title).FirstOrDefault ();
            AlertDialog.Builder dialog = new AlertDialog.Builder (context);
            dialog.SetTitle (item.Title);
            dialog.SetMessage (item.Snippet);

            if (app.CurrentLocation != null) {
                dialog.SetPositiveButton ("Directions", delegate(object sender, DialogClickEventArgs e) {

                    double slat = (double)app.CurrentLocation.Latitude;
                    double slng = (double)app.CurrentLocation.Longitude;
                    string saddr = slat.ToString () + "," + slng.ToString ();
                    string daddr = restaurantLocation.Latitude.ToString () + "," + restaurantLocation.Longitude.ToString ();
                    string url = ("http://maps.google.com/maps?saddr=" + saddr + "&daddr=" + daddr);
                    var intent = new Intent (Intent.ActionView, Android.Net.Uri.Parse (url));
                    context.StartActivity (intent);
                });
            }
            dialog.SetNegativeButton ("Details", delegate(object sender, DialogClickEventArgs e) {
                app.CurrentRestaurantLocation = restaurantLocation;
                // Pass the selected object to the new view controller.
                context.StartActivity (typeof(RestaurantDetails));

            });
            dialog.Show ();
            return true;
        }

        protected override Java.Lang.Object CreateItem (int i)
        {
            var item = overlayItems [i];
            return item;
        }

    }
}