style: Add monikers for regions, base classes, implemented interfaces

Author: sboulema

src/CodeNav.OutOfProc/Languages/CSharp/Mappers/ClassMapper.cs

@@ -104,6 +104,7 @@ private static void MapMembersFromBaseClass(ClassDeclarationSyntax member,
             Id = baseType.Name,
             Tooltip = baseType.Name,
             Kind = CodeItemKindEnum.BaseClass,
+            Moniker = IconMapper.MapMoniker(CodeItemKindEnum.BaseClass, CodeItemAccessEnum.Unknown),
         };
 
         regions.Add(baseRegion);

src/CodeNav.OutOfProc/Languages/CSharp/Mappers/InterfaceMapper.cs

@@ -93,7 +93,8 @@ private static CodeImplementedInterfaceItem MapImplementedInterface(string name,
             Id = name,
             Tooltip = name,
             Kind = CodeItemKindEnum.ImplementedInterface,
-            IsExpanded = true
+            IsExpanded = true,
+            Moniker = IconMapper.MapMoniker(CodeItemKindEnum.ImplementedInterface, CodeItemAccessEnum.Unknown),
         };
 
         foreach (var member in members)

src/CodeNav.OutOfProc/Languages/CSharp/Mappers/RegionMapper.cs

@@ -1,6 +1,7 @@
 using CodeNav.OutOfProc.Constants;
 using CodeNav.OutOfProc.Helpers;
 using CodeNav.OutOfProc.Interfaces;
+using CodeNav.OutOfProc.Mappers;
 using CodeNav.OutOfProc.ViewModels;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp;
@@ -110,7 +111,8 @@ private static CodeRegionItem MapRegion(SyntaxTrivia regionStart)
             Id = name,
             Tooltip = name,
             Kind = CodeItemKindEnum.Region,
-            Span = new(regionStart.Span.Start, 0)
+            Span = new(regionStart.Span.Start, 0),
+            Moniker = IconMapper.MapMoniker(CodeItemKindEnum.Region, CodeItemAccessEnum.Unknown),
         };
     }
 

src/CodeNav.OutOfProc/Mappers/IconMapper.cs

@@ -12,20 +12,23 @@ public static ImageMoniker MapMoniker(CodeItemKindEnum kind, CodeItemAccessEnum
 
         string monikerString = kind switch
         {
-            CodeItemKindEnum.Namespace => $"Namespace{accessString}",
+            CodeItemKindEnum.BaseClass => "ClassShortcut",
             CodeItemKindEnum.Class => $"Class{accessString}",
             CodeItemKindEnum.Constant => $"Constant{accessString}",
+            CodeItemKindEnum.Constructor or CodeItemKindEnum.Method => $"Method{accessString}",
             CodeItemKindEnum.Delegate => $"Delegate{accessString}",
             CodeItemKindEnum.Enum => $"Enumeration{accessString}",
             CodeItemKindEnum.EnumMember => $"EnumerationItem{accessString}",
             CodeItemKindEnum.Event => $"Event{accessString}",
+            CodeItemKindEnum.ImplementedInterface => "ImplementInterface",
             CodeItemKindEnum.Interface => $"Interface{accessString}",
-            CodeItemKindEnum.Constructor or CodeItemKindEnum.Method => $"Method{accessString}",
+            CodeItemKindEnum.Namespace => $"Namespace{accessString}",
             CodeItemKindEnum.Property or CodeItemKindEnum.Indexer => $"Property{accessString}",
+            CodeItemKindEnum.Region => $"ExpandRight",
             CodeItemKindEnum.Struct or CodeItemKindEnum.Record => $"Structure{accessString}",
-            CodeItemKindEnum.Variable => $"Field{accessString}",
             CodeItemKindEnum.Switch => "FlowSwitch",
             CodeItemKindEnum.SwitchSection => "FlowDecision",
+            CodeItemKindEnum.Variable => $"Field{accessString}",
             _ => $"Property{accessString}",
         };
 

src/CodeNav.OutOfProc/ToolWindows/Templates/CodeItemStyles.xaml

@@ -213,10 +213,13 @@
                                     Opacity="{Binding Opacity}"
                                     HorizontalAlignment="Stretch">
                                 <Expander.Header>
-                                    <TextBlock
+                                    <StackPanel Orientation="Horizontal">
+                                        <vs:Image Source="{Binding Moniker}" Width="16" Height="16" Margin="0,0,3,0" />
+                                        <TextBlock
                                             Text="{Binding Name}"
                                             FontWeight="SemiBold"
                                             Style="{StaticResource {x:Static styles:VsResourceKeys.TextBlockEnvironment90PercentFontSizeStyleKey}}" />
+                                    </StackPanel>
                                 </Expander.Header>
                                 <ItemsControl 
                                             ItemsSource="{Binding Members}"