Debugger - Added stay on top option

src/Artemis.UI/Screens/Settings/Debug/DebugView.xaml

@@ -18,7 +18,8 @@
                     Width="800"
                     Height="800"
                     d:DesignHeight="800" d:DesignWidth="800" d:DataContext="{d:DesignInstance debug:DebugViewModel}"
-                    Icon="/Resources/Images/Logo/logo-512.png">
+                    Icon="/Resources/Images/Logo/logo-512.png"
+                    Topmost="{Binding StayOnTopSetting.Value}">
     <DockPanel>
         <mde:AppBar Type="Dense"
                     Title="Debugger"
@@ -30,6 +31,14 @@
 
             <materialDesign:PopupBox DockPanel.Dock="Right" PlacementMode="BottomAndAlignRightEdges" StaysOpen="False">
                 <StackPanel>
+                    <Button Command="{s:Action ToggleStayOnTop}">
+                        <StackPanel Orientation="Horizontal" HorizontalAlignment="Stretch">
+                            <ToggleButton Style="{StaticResource MaterialDesignSwitchToggleButton}"
+                                          Margin="0 0 10 0" 
+                                          IsChecked="{Binding StayOnTopSetting.Value}"/>
+                            <TextBlock>Stay on top</TextBlock>
+                        </StackPanel>
+                    </Button>
                     <Button Content="Force garbage collection" Command="{s:Action ForceGarbageCollection}" />
                 </StackPanel>
             </materialDesign:PopupBox>

src/Artemis.UI/Screens/Settings/Debug/DebugViewModel.cs

@@ -1,4 +1,6 @@
 using System;
+using Artemis.Core;
+using Artemis.Core.Services;
 using Artemis.UI.Screens.Settings.Debug.Tabs;
 using Stylet;
 
@@ -6,16 +8,35 @@ namespace Artemis.UI.Screens.Settings.Debug
 {
     public class DebugViewModel : Conductor<Screen>.Collection.OneActive
     {
-        public DebugViewModel(RenderDebugViewModel renderDebugViewModel, DataModelDebugViewModel dataModelDebugViewModel, LogsDebugViewModel logsDebugViewModel)
+        public DebugViewModel(
+            ISettingsService settingsService,
+            RenderDebugViewModel renderDebugViewModel,
+            DataModelDebugViewModel dataModelDebugViewModel,
+            LogsDebugViewModel logsDebugViewModel)
         {
             Items.Add(renderDebugViewModel);
             Items.Add(dataModelDebugViewModel);
             Items.Add(logsDebugViewModel);
             ActiveItem = renderDebugViewModel;
+
+            StayOnTopSetting = settingsService.GetSetting("Debugger.StayOnTop", false);
         }
 
+        public PluginSetting<bool> StayOnTopSetting { get; }
+
         public string Title => "Debugger";
 
+        public void ToggleStayOnTop()
+        {
+            StayOnTopSetting.Value = !StayOnTopSetting.Value;
+        }
+
+        protected override void OnClose()
+        {
+            StayOnTopSetting.Save();
+            base.OnClose();
+        }
+
         public void ForceGarbageCollection()
         {
             GC.Collect();