Add theme option in settings

ILSpy/Options/DisplaySettingsPanel.xaml

@@ -6,12 +6,17 @@
 			 xmlns:system="clr-namespace:System;assembly=mscorlib"
 			 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d"
 			 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+			 xmlns:themes="clr-namespace:ICSharpCode.ILSpy.Themes"
 			 d:DataContext="{d:DesignInstance local:DisplaySettingsViewModel}">
 	<UserControl.Resources>
 		<local:FontSizeConverter x:Key="fontSizeConv" />
 	</UserControl.Resources>
 	<ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
 		<StackPanel Orientation="Vertical">
+			<DockPanel>
+				<Label DockPanel.Dock="Left" Content="{x:Static properties:Resources.DisplaySettingsPanel_Theme}" />
+				<ComboBox ItemsSource="{x:Static themes:ThemeManager.AllThemes}" SelectedItem="{Binding Theme}" VerticalContentAlignment="Center" Margin="0,0,8,0" />
+			</DockPanel>
 			<GroupBox Header="{x:Static properties:Resources.Font}">
 				<Grid>
 					<Grid.ColumnDefinitions>

ILSpy/Options/DisplaySettingsPanel.xaml.cs

@@ -121,6 +121,8 @@ namespace ICSharpCode.ILSpy.Options
 			s.ShowRawOffsetsAndBytesBeforeInstruction = (bool?)e.Attribute("ShowRawOffsetsAndBytesBeforeInstruction") ?? false;
 			s.StyleWindowTitleBar = (bool?)e.Attribute("StyleWindowTitleBar") ?? false;
 
+			s.Theme = MainWindow.Instance.SessionSettings.Theme;
+
 			return s;
 		}
 
@@ -150,13 +152,22 @@ namespace ICSharpCode.ILSpy.Options
 			section.SetAttributeValue("ShowRawOffsetsAndBytesBeforeInstruction", s.ShowRawOffsetsAndBytesBeforeInstruction);
 			section.SetAttributeValue("StyleWindowTitleBar", s.StyleWindowTitleBar);
 
-			XElement existingElement = root.Element("DisplaySettings");
-			if (existingElement != null)
-				existingElement.ReplaceWith(section);
-			else
-				root.Add(section);
+			MainWindow.Instance.SessionSettings.Theme = s.Theme;
+			var sessionSettings = MainWindow.Instance.SessionSettings.ToXml();
 
 			MainWindow.Instance.CurrentDisplaySettings.CopyValues(s);
+
+			Update(section);
+			Update(sessionSettings);
+
+			void Update(XElement element)
+			{
+				var existingElement = root.Element(element.Name);
+				if (existingElement != null)
+					existingElement.ReplaceWith(element);
+				else
+					root.Add(element);
+			}
 		}
 
 		private void TextBox_PreviewTextInput(object sender, System.Windows.Input.TextCompositionEventArgs e)

ILSpy/Options/DisplaySettingsViewModel.cs

@@ -20,6 +20,8 @@ using System.ComponentModel;
 using System.Runtime.CompilerServices;
 using System.Windows.Media;
 
+using ICSharpCode.ILSpy.Themes;
+
 namespace ICSharpCode.ILSpy.Options
 {
 	/// <summary>
@@ -29,6 +31,7 @@ namespace ICSharpCode.ILSpy.Options
 	{
 		public DisplaySettingsViewModel()
 		{
+			this.theme = ThemeManager.Current.DefaultTheme;
 			this.selectedFont = new FontFamily("Consolas");
 			this.selectedFontSize = 10.0 * 4 / 3;
 			this.sortResults = true;
@@ -52,6 +55,19 @@ namespace ICSharpCode.ILSpy.Options
 		}
 		#endregion
 
+		string theme;
+
+		public string Theme {
+			get { return theme; }
+			set {
+				if (theme != value)
+				{
+					theme = value;
+					OnPropertyChanged();
+				}
+			}
+		}
+
 		FontFamily selectedFont;
 
 		public FontFamily SelectedFont {
@@ -314,6 +330,7 @@ namespace ICSharpCode.ILSpy.Options
 
 		public void CopyValues(DisplaySettingsViewModel s)
 		{
+			this.Theme = s.Theme;
 			this.SelectedFont = s.selectedFont;
 			this.SelectedFontSize = s.selectedFontSize;
 			this.ShowLineNumbers = s.showLineNumbers;

ILSpy/Properties/Resources.Designer.cs

@@ -1558,6 +1558,15 @@ namespace ICSharpCode.ILSpy.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Theme:.
+        /// </summary>
+        public static string DisplaySettingsPanel_Theme {
+            get {
+                return ResourceManager.GetString("DisplaySettingsPanel_Theme", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Download.
         /// </summary>

ILSpy/Properties/Resources.resx

@@ -540,6 +540,9 @@ Are you sure you want to continue?</value>
   <data name="DisplaySettingsPanel_Font" xml:space="preserve">
     <value>Font:</value>
   </data>
+  <data name="DisplaySettingsPanel_Theme" xml:space="preserve">
+	  <value>Theme:</value>
+  </data>
   <data name="Download" xml:space="preserve">
     <value>Download</value>
   </data>

ILSpy/SessionSettings.cs

@@ -127,7 +127,7 @@ namespace ICSharpCode.ILSpy
 
 		public DockLayoutSettings DockLayout { get; private set; }
 
-		public void Save()
+		public XElement ToXml()
 		{
 			XElement doc = new XElement("SessionSettings");
 			doc.Add(this.FilterSettings.SaveAsXml());
@@ -161,7 +161,12 @@ namespace ICSharpCode.ILSpy
 				dockLayoutElement.Add(DockLayout.SaveAsXml());
 			}
 			doc.Add(dockLayoutElement);
+			return doc;
+		}
 
+		public void Save()
+		{
+			var doc = ToXml();
 			ILSpySettings.SaveSettings(doc);
 		}