From 0618695c8891d9301fcbab7317e231252d146d2f Mon Sep 17 00:00:00 2001
From: PeterZhong <mail@peterzhong1219.site>
Date: Sat, 12 Oct 2024 10:58:26 +0800
Subject: [PATCH] 3.6 Alter basemap

---
 GisDevelop_Exp/MainWindow.xaml    |  3 +++
 GisDevelop_Exp/MainWindow.xaml.cs | 29 +++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/GisDevelop_Exp/MainWindow.xaml b/GisDevelop_Exp/MainWindow.xaml
index b875cc1..3fa055f 100644
--- a/GisDevelop_Exp/MainWindow.xaml
+++ b/GisDevelop_Exp/MainWindow.xaml
@@ -26,5 +26,8 @@
         <Border BorderBrush="#FF8B1D76" BorderThickness="2,2,2,2" HorizontalAlignment="Right" Height="180" Width="202" VerticalAlignment="Top" IsEnabled="False">
             <esri:MapView x:Name="EagleMapView"/>
         </Border>
+        <Border BorderBrush="#000000" BorderThickness="1" HorizontalAlignment="Right" Height="24" Width="202" VerticalAlignment="Top" IsEnabled="True" Margin="580,210,0,0" Background="{DynamicResource {x:Static SystemColors.ControlBrushKey}}">
+            <ComboBox x:Name="BasemapChooser" HorizontalAlignment="Left" Height="24" Margin="9,-1,0,-1" VerticalAlignment="Top" Width="182" SelectionChanged="BasemapChooser_OnSelectionChanged" IsEnabled="True"/>
+        </Border>
     </Grid>
 </Window>
diff --git a/GisDevelop_Exp/MainWindow.xaml.cs b/GisDevelop_Exp/MainWindow.xaml.cs
index e82d756..9099f67 100644
--- a/GisDevelop_Exp/MainWindow.xaml.cs
+++ b/GisDevelop_Exp/MainWindow.xaml.cs
@@ -32,12 +32,35 @@ namespace GisDevelop_Exp
         private string _statesUrl =
             "https://services.arcgis.com/jIL9msH9OI208GCb/arcgis/rest/services/USA_Daytime_Population_2016/FeatureServer/0";
         private ServiceFeatureTable _featureTable;
+
+        private readonly Dictionary<string, Basemap> _basemapOptions = new Dictionary<string, Basemap>()
+        {
+            { "Streets (Raster)", new Basemap(BasemapStyle.OSMStreets) },
+            { "Streets (Vector)", new Basemap(BasemapStyle.OSMStreetsRelief) },
+            { "Streets - Night (Vector)", new Basemap(BasemapStyle.ArcGISStreetsNight) },
+            { "Imagery (Raster)", new Basemap(BasemapStyle.ArcGISImagery) },
+            { "Imagery with Labels (Raster)", new Basemap(BasemapStyle.ArcGISImageryLabels) },
+            { "Imagery with Labels (Vector)", new Basemap(BasemapStyle.ArcGISImageryStandard) },
+            { "Dark Gray Canvas (Vector)", new Basemap(BasemapStyle.ArcGISDarkGray) },
+            { "Light Gray Canvas (Raster)", new Basemap(BasemapStyle.ArcGISLightGray) },
+            { "Light Gray Canvas (Vector)", new Basemap(BasemapStyle.ArcGISLightGrayBase) },
+            { "Navigation (Vector)", new Basemap(BasemapStyle.ArcGISNavigation) },
+            { "OpenStreetMap (Raster)", new Basemap(BasemapStyle.OSMNavigation) }
+        };
         public MainWindow()
         {
             InitializeComponent();
+            Initialize();
             EagleMapView.Map = new Map(BasemapStyle.ArcGISImageryStandard);
         }
 
+        private void Initialize()
+        {
+            MainMapView.Map = new Map(_basemapOptions.Values.First());
+            BasemapChooser.ItemsSource = _basemapOptions.Keys;
+            BasemapChooser.SelectedIndex = 0;
+        }
+
         private void Menu_OpenShp_Click(object sender, RoutedEventArgs e)
         {
             OpenShp();
@@ -194,5 +217,11 @@ namespace GisDevelop_Exp
             MainMapView.Map = pMap;
             MainMapView.SelectionProperties.Color = Color.Cyan;
         }
+
+        private void BasemapChooser_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            var selectedBasemapTitle = e.AddedItems[0].ToString();
+            MainMapView.Map.Basemap = _basemapOptions[selectedBasemapTitle];
+        }
     }
 }