Selection in MapItemsControl

MapControl/WPF/MapControl.WPF.csproj

@@ -180,6 +180,7 @@
     <Compile Include="Map.WPF.cs" />
     <Compile Include="MapBase.WPF.cs" />
     <Compile Include="MapGraticule.WPF.cs" />
+    <Compile Include="MapItemsControl.WPF.cs" />
     <Compile Include="MapMultiPolygon.WPF.cs" />
     <Compile Include="MapOverlay.WPF.cs" />
     <Compile Include="MapPanel.WPF.cs" />

MapControl/WPF/MapItemsControl.WPF.cs

@@ -0,0 +1,49 @@
+// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
+// © 2018 Clemens Fischer
+// Licensed under the Microsoft Public License (Ms-PL)
+
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media;
+
+namespace MapControl
+{
+    /// <summary>
+    /// Container class for an item in a MapItemsControl.
+    /// </summary>
+    public class MapItem : ListBoxItem
+    {
+        public MapItem()
+        {
+            DefaultStyleKey = typeof(MapItem);
+
+            MapPanel.InitMapElement(this);
+        }
+
+        protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
+        {
+            e.Handled = true;
+
+            (ItemsControl.ItemsControlFromItemContainer(this) as MapItemsControl)?.MapItemClicked(
+                this, Keyboard.Modifiers.HasFlag(ModifierKeys.Control), Keyboard.Modifiers.HasFlag(ModifierKeys.Shift));
+        }
+    }
+
+    public partial class MapItemsControl
+    {
+        public MapItem MapItemFromItem(object item)
+        {
+            return (MapItem)ItemContainerGenerator.ContainerFromItem(item);
+        }
+
+        public object ItemFromMapItem(MapItem mapItem)
+        {
+            return ItemContainerGenerator.ItemFromContainer(mapItem);
+        }
+
+        public void SelectItemsInGeometry(Geometry geometry)
+        {
+            SelectItemsByPosition(p => geometry.FillContains(p));
+        }
+    }
+}

MapControl/WPF/Themes/Generic.xaml

@@ -18,7 +18,7 @@
         </Setter>
     </Style>
     <Style TargetType="map:MapItem">
-        <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
+        <Setter Property="Focusable" Value="False"/>
         <Setter Property="HorizontalAlignment" Value="Stretch"/>
         <Setter Property="VerticalAlignment" Value="Stretch"/>
         <Setter Property="HorizontalContentAlignment" Value="Stretch"/>