コード例 #1
0
        /// <summary>
        /// Handles the ProportyChanged event of map pin.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">A <see cref="EventArgs"/> with arguments of the event.</param>
        private void OnPinPropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            // Get the pin and corresponding marker
            var pin    = (MapExPin)sender;
            var marker = this.markers?.FirstOrDefault(m => m.Id.Equals((string)pin.InternalId));

            if (marker == null)
            {
                // Remove event handler
                pin.PropertyChanged -= this.OnPinPropertyChanged;
                return;
            }

            // If pin label changed
            if (e.PropertyName == MapExPin.LabelProperty.PropertyName)
            {
                marker.Title = pin.Label;
            }

            // If the address property changed
            if (e.PropertyName == MapExPin.AddressProperty.PropertyName)
            {
                marker.Snippet = pin.Address;
            }

            // If the position changed
            if (e.PropertyName == MapExPin.PositionProperty.PropertyName)
            {
                marker.Position = new LatLng(pin.Position.Latitude, pin.Position.Longitude);
            }

            // If the type changed
            if (e.PropertyName == MapExPin.TypeProperty.PropertyName)
            {
                // Change the marker icon
                var icon = MapExRenderer.GetResourceId(pin.Type);
                marker.SetIcon(BitmapDescriptorFactory.FromResource(icon));

                // If the marker info window is shown
                if (marker.IsInfoWindowShown)
                {
                    marker.ShowInfoWindow();
                }
            }
        }
コード例 #2
0
        /// <summary>
        /// Adds a pin to the current map.
        /// </summary>
        /// <param name="pin">A pin to add.</param>
        private void AddPin(MapExPin pin)
        {
            // If map is not present
            if (this.map == null)
            {
                return;
            }

            // Create a new marker collection
            if (this.markers == null)
            {
                this.markers = new List <Marker>();
            }

            // Setup market options
            var markerOptions = new MarkerOptions();

            markerOptions.SetPosition(new LatLng(pin.Position.Latitude, pin.Position.Longitude));
            markerOptions.Anchor(0.5f, 0.5f);
            markerOptions.SetTitle(pin.Label);
            markerOptions.SetSnippet(pin.Address);
            markerOptions.InfoWindowAnchor(0.5f, 0.5f);

            // Setup marker icon
            var icon = MapExRenderer.GetResourceId(pin.Type);

            markerOptions.SetIcon(BitmapDescriptorFactory.FromResource(icon));

            // Add marker to the map
            var marker = this.map.AddMarker(markerOptions);

            this.markers.Add(marker);
            pin.InternalId = marker.Id;

            // Add event handlers
            pin.PropertyChanged += this.OnPinPropertyChanged;
        }