Move to Folder Refactoring

Rubberduck.CodeAnalysis/Inspections/Concrete/WriteOnlyPropertyInspection.cs

@@ -65,6 +65,7 @@ protected override bool IsResultDeclaration(Declaration declaration, Declaration
                     || declaration.Accessibility == Accessibility.Public
                     || declaration.Accessibility == Accessibility.Global)
                    && finder.MatchName(declaration.IdentifierName)
+                       .Where(otherDeclaration => otherDeclaration.QualifiedModuleName.Equals(declaration.QualifiedModuleName))
                        .All(accessor => accessor.DeclarationType != DeclarationType.PropertyGet);
         }
 

Rubberduck.Core/Navigation/CodeExplorer/CodeExplorerCustomFolderViewModel.cs

@@ -1,6 +1,8 @@
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
+using Rubberduck.Common;
+using Rubberduck.JunkDrawer.Extensions;
 using Rubberduck.Navigation.Folders;
 using Rubberduck.Parsing.Symbols;
 using Rubberduck.VBEditor;
@@ -30,7 +32,7 @@ public sealed class CodeExplorerCustomFolderViewModel : CodeExplorerItemViewMode
         {
             _vbe = vbe;
             FolderDepth = parent is CodeExplorerCustomFolderViewModel folder ? folder.FolderDepth + 1 : 1;
-            FullPath = fullPath?.Trim('"') ?? string.Empty;
+            FullPath = fullPath?.FromVbaStringLiteral() ?? string.Empty;
             Name = name.Replace("\"", string.Empty);
 
             AddNewChildren(ref declarations);
@@ -44,7 +46,7 @@ public sealed class CodeExplorerCustomFolderViewModel : CodeExplorerItemViewMode
 
         public string FullPath { get; }
 
-        public string FolderAttribute => $"'@Folder(\"{FullPath.Replace("\"", string.Empty)}\")";
+        public string FolderAttribute => $"'@Folder({FullPath.ToVbaStringLiteral()})";
 
         /// <summary>
         /// One-based depth in the folder hierarchy.

Rubberduck.Core/Navigation/CodeExplorer/CodeExplorerViewModel.cs

@@ -16,6 +16,7 @@
 using System.Windows.Input;
 using Rubberduck.Parsing.UIContext;
 using Rubberduck.Templates;
+using Rubberduck.UI.CodeExplorer.Commands.DragAndDrop;
 using Rubberduck.UI.Command.ComCommands;
 using Rubberduck.UI.UnitTesting.ComCommands;
 using Rubberduck.VBEditor.SafeComWrappers.Abstract;
@@ -379,6 +380,7 @@ private void ExecuteRemoveCommand(object param)
         public OpenProjectPropertiesCommand OpenProjectPropertiesCommand { get; set; }
         public SetAsStartupProjectCommand SetAsStartupProjectCommand { get; set; }
         public RenameCommand RenameCommand { get; set; }
+        public CodeExplorerMoveToFolderCommand MoveToFolderCommand { get; set; }
         public IndentCommand IndenterCommand { get; set; }
         public CodeExplorerFindAllReferencesCommand FindAllReferencesCommand { get; set; }
         public CodeExplorerFindAllImplementationsCommand FindAllImplementationsCommand { get; set; }
@@ -398,7 +400,9 @@ private void ExecuteRemoveCommand(object param)
         public CommandBase SyncCodePaneCommand { get; }
         public CodeExplorerExtractInterfaceCommand CodeExplorerExtractInterfaceCommand { get; set; }
 
-        public ICodeExplorerNode FindVisibleNodeForDeclaration(Declaration declaration)
+        public CodeExplorerMoveToFolderDragAndDropCommand MoveToFolderDragAndDropCommand { get; set; }
+
+    public ICodeExplorerNode FindVisibleNodeForDeclaration(Declaration declaration)
         {
             if (declaration == null)
             {

Rubberduck.Core/Navigation/Folders/DeclarationFolderExtensions.cs

@@ -0,0 +1,49 @@
+using System;
+using Rubberduck.Parsing.Symbols;
+using Rubberduck.JunkDrawer.Extensions;
+
+namespace Rubberduck.Navigation.Folders
+{
+    public static class DeclarationFolderExtensions
+    {
+        public static string RootFolder(this Declaration declaration)
+        {
+            return declaration?.CustomFolder?.RootFolder() 
+                   ?? declaration?.ProjectName 
+                   ?? string.Empty;
+        }
+
+        public static bool IsInFolder(this Declaration declaration, string folder)
+        {
+            if (declaration?.CustomFolder is null || folder is null)
+            {
+                return false;
+            }
+
+            return declaration.CustomFolder.Equals(folder, StringComparison.Ordinal);
+        }
+
+        public static bool IsInSubFolder(this Declaration declaration, string folder)
+        {
+            var declarationFolder = declaration?.CustomFolder;
+            if (declarationFolder is null || folder is null)
+            {
+                return false;
+            }
+
+            return declarationFolder.IsSubFolderOf(folder);
+        }
+
+        public static bool IsInFolderOrSubFolder(this Declaration declaration, string folder)
+        {
+            var declarationFolder = declaration?.CustomFolder;
+            if (declarationFolder is null || folder is null)
+            {
+                return false;
+            }
+
+            return declaration.IsInFolder(folder)
+                || declarationFolder.IsSubFolderOf(folder);
+        }
+    }
+}

Rubberduck.Core/Rubberduck.Core.csproj

@@ -117,6 +117,12 @@
       <DesignTime>True</DesignTime>
       <AutoGen>True</AutoGen>
     </Compile>
+    <Compile Update="UI\Refactorings\MoveFolder\MoveMultipleFoldersView.xaml.cs">
+      <DependentUpon>MoveMultipleFoldersView.xaml</DependentUpon>
+    </Compile>
+    <Compile Update="UI\Refactorings\MoveToFolder\MoveMultipleToFolderView.xaml.cs">
+      <DependentUpon>MoveMultipleToFolderView.xaml</DependentUpon>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Update="Properties\Resources.resx">

Rubberduck.Core/UI/CodeExplorer/CodeExplorerAddComponentService.cs

@@ -101,13 +101,7 @@ private string Folder(CodeExplorerItemViewModel node)
                 return ActiveProjectFolder();
             }
 
-            var customFolder = declaration.CustomFolder;
-            if (customFolder != null)
-            {
-                return customFolder.Replace("\"", string.Empty);
-            }
-
-            return ProjectFolder(declaration.ProjectName);
+            return declaration.CustomFolder ?? ProjectFolder(declaration.ProjectName);
         }
 
         private string ActiveProjectFolder()

Rubberduck.Core/UI/CodeExplorer/CodeExplorerControl.xaml

@@ -210,6 +210,12 @@
                 <Setter Property="HorizontalAlignment" Value="Left" />
                 <EventSetter Event="MouseDoubleClick" Handler="TreeView_OnMouseDoubleClick" />
                 <EventSetter Event="MouseRightButtonDown" Handler="TreeView_OnMouseRightButtonDown" />
+                <EventSetter Event="DragOver" Handler="TreeView_OnDragOver" />
+                <EventSetter Event="Drop" Handler="TreeView_OnDrop" />
+                <EventSetter Event="PreviewQueryContinueDrag" Handler="TreeView_PreviewContinueDrag" />
+                <EventSetter Event="PreviewMouseLeftButtonDown" Handler="TreeView_PreviewMouseLeftButtonDown" />
+                <EventSetter Event="PreviewMouseMove" Handler="TreeView_PreviewMouseMove" />
+
                 <Style.Triggers>
                     <Trigger Property="IsSelected" Value="True">
                         <Setter Property="BorderBrush" Value="{StaticResource HighlightBorderActiveBrush}"/>
@@ -395,7 +401,8 @@
                   FontSize="{Binding FontSize, Mode=OneWay}"
                   BorderThickness="0,1"
                   VirtualizingPanel.IsVirtualizing="False"
-                  KeyDown="ProjectTree_KeyDown">
+                  KeyDown="ProjectTree_KeyDown"
+                  AllowDrop="True">
             <TreeView.ContextMenu>
                 <ContextMenu>
                     <MenuItem Header="{Resx ResxName=Rubberduck.Resources.CodeExplorer.CodeExplorerUI, Key=CodeExplorer_Open}"
@@ -417,9 +424,12 @@
                             <Image Source="{StaticResource RefreshImage}" />
                         </MenuItem.Icon>
                     </MenuItem>
-                    <MenuItem Header="{Resx ResxName=Rubberduck.Resources.RubberduckUI, Key=Rename}"
+                    <MenuItem Header="{Resx ResxName=Rubberduck.Resources.CodeExplorer.CodeExplorerUI, Key=CodeExplorer_Rename}"
                       Command="{Binding RenameCommand}"
                       CommandParameter="{Binding SelectedItem, Mode=OneWay}" />
+                    <MenuItem Header="{Resx ResxName=Rubberduck.Resources.CodeExplorer.CodeExplorerUI, Key=CodeExplorer_MoveToFolder}"
+                              Command="{Binding MoveToFolderCommand}"
+                              CommandParameter="{Binding SelectedItem, Mode=OneWay}" />
                     <MenuItem Header="{Resx ResxName=Rubberduck.Resources.CodeExplorer.CodeExplorerUI, Key=CodeExplorer_ExtractInterfaceText}"
                           Command="{Binding CodeExplorerExtractInterfaceCommand}"
                           CommandParameter="{Binding SelectedItem, Mode=OneWay}">