prs/prs.mobile.new/PRS.Mobile/Modules/Assignments/Edit/Views/AssignmentEditMapView.xaml.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Syncfusion.SfMaps.XForms;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;
using Color = Xamarin.Forms.Color;
using Point = Xamarin.Forms.Point;

namespace PRS.Mobile
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class AssignmentEditMapView : AssignmentEditView
    {
        
        public AssignmentEditMapView()
        {
            InitializeComponent();
        }
        
        public override void Refresh()
        {
            if (ViewModel == null || ViewModel.Coordinates.Equals(Point.Zero))
            {
                NoMap.IsVisible = true;
                Map.IsVisible = false;
                return;
            }
                
            NoMap.IsVisible = false;
            Map.IsVisible = true;
            Layer.GeoCoordinates = ViewModel.Coordinates;
            Map.ZoomLevel = 14;
            
            MapMarker marker = new MapMarker();
            marker.Label = " ";
            marker.Latitude = ViewModel.Coordinates.Y.ToString(CultureInfo.InvariantCulture);
            marker.Longitude = ViewModel.Coordinates.X.ToString(CultureInfo.InvariantCulture);
            Layer.Markers.Add(marker);
            Layer.LatLngBounds =
                new LatLngBounds(new Position(ViewModel.Coordinates.Y + 0.002F, ViewModel.Coordinates.X - 0.002F),
                    new Position(ViewModel.Coordinates.Y - 0.002F, ViewModel.Coordinates.X + 0.002F));
        }
    }
}