Introduce new setting to enable drag and drop in CE

I have put this into the General Settings because there are no CE settings so far and it kind of makes sense.

Author: MDoerner

Rubberduck.Core/Properties/Settings.Designer.cs

@@ -21,6 +21,7 @@ public interface IGeneralSettings
         bool UserEditedLogLevel { get; set; }
         int MinimumLogLevel { get; set; }
         bool SetDpiUnaware { get; set; }
+        bool EnableFolderDragAndDrop { get; set; }
         List<ExperimentalFeature> EnableExperimentalFeatures { get; set; }
     }
 
@@ -74,6 +75,7 @@ public int MinimumLogLevel
         }
 
         public bool SetDpiUnaware { get; set; }
+        public bool EnableFolderDragAndDrop { get; set; }
 
         public List<ExperimentalFeature> EnableExperimentalFeatures { get; set; } = new List<ExperimentalFeature>();
 
@@ -100,7 +102,8 @@ public bool Equals(GeneralSettings other)
                    MinimumLogLevel == other.MinimumLogLevel &&                   
                    EnableExperimentalFeatures.Count == other.EnableExperimentalFeatures.Count &&
                    EnableExperimentalFeatures.All(other.EnableExperimentalFeatures.Contains) &&
-                   SetDpiUnaware == other.SetDpiUnaware;
+                   SetDpiUnaware == other.SetDpiUnaware &&
+                   EnableFolderDragAndDrop == other.EnableFolderDragAndDrop;
         }
     }
 }

Rubberduck.Core/Settings/GeneralSettings.cs

@@ -89,11 +89,13 @@
                     <CheckBox Margin="15,0,0,5" Content="{Resx ResxName=Rubberduck.Resources.RubberduckUI, Key=GeneralSettings_IncludePreRelease}"
                               IsChecked="{Binding IncludePreRelease}"
                               IsEnabled="{Binding IsChecked, ElementName=IsVersionCheckEnabled}"/>
-                    
                     <CheckBox Margin="5,0,0,5" Content="{Resx ResxName=Rubberduck.Resources.RubberduckUI, Key=GeneralSettings_CompileBeforeParse}"
                               IsChecked="{Binding CompileBeforeParse}" />
                     <CheckBox Margin="5,0,0,5" Content="{Resx ResxName=Rubberduck.Resources.RubberduckUI, Key=GeneralSettings_SetDpiUnaware}"
-                              IsEnabled="{Binding SetDpiUnawareEnabled}"  IsChecked="{Binding SetDpiUnaware}" />
+                              IsEnabled="{Binding SetDpiUnawareEnabled}"  
+                              IsChecked="{Binding SetDpiUnaware}" />
+                    <CheckBox Margin="5,0,0,5" Content="{Resx ResxName=Rubberduck.Resources.RubberduckUI, Key=GeneralSettings_EnableDragAndDrop}"
+                              IsChecked="{Binding EnableFolderDragAndDrop}" />
                     <StackPanel Orientation="Horizontal"/>
 
                     <Label Content="{Resx ResxName=Rubberduck.Resources.RubberduckUI, Key=GeneralSettings_MinimumLogLevelLabel}" FontWeight="SemiBold" />

Rubberduck.Core/UI/Settings/GeneralSettings.xaml

@@ -102,6 +102,7 @@ public ObservableViewModelCollection<HotkeySettingViewModel> Hotkeys
                 }
             }
         }
+
         private void InvalidateShouldDisplayWarning(object sender, ElementPropertyChangedEventArgs<HotkeySettingViewModel> e)
         {
             OnPropertyChanged(nameof(ShouldDisplayHotkeyModificationLabel));
@@ -195,6 +196,20 @@ public bool CompileBeforeParse
             }
         }
 
+        private bool _enableFolderDragAndDrop;
+        public bool EnableFolderDragAndDrop
+        {
+            get => _enableFolderDragAndDrop;
+            set
+            {
+                if (_enableFolderDragAndDrop != value)
+                {
+                    _enableFolderDragAndDrop = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+
         private bool _setDpiUnaware;
         public bool SetDpiUnaware
         {
@@ -305,6 +320,7 @@ private Rubberduck.Settings.GeneralSettings GetCurrentGeneralSettings()
                 IncludePreRelease = IncludePreRelease,
                 CompileBeforeParse = CompileBeforeParse,
                 SetDpiUnaware =  SetDpiUnaware,
+                EnableFolderDragAndDrop = EnableFolderDragAndDrop,
                 IsSmartIndenterPrompted = _indenterPrompted,
                 IsAutoSaveEnabled = AutoSaveEnabled,
                 AutoSavePeriod = AutoSavePeriod,
@@ -331,6 +347,7 @@ private void TransferSettingsToView(IGeneralSettings general, IHotkeySettings ho
             IncludePreRelease = general.IncludePreRelease;
             CompileBeforeParse = general.CompileBeforeParse;
             SetDpiUnaware = general.SetDpiUnaware;
+            EnableFolderDragAndDrop = general.EnableFolderDragAndDrop;
             _indenterPrompted = general.IsSmartIndenterPrompted;
             AutoSaveEnabled = general.IsAutoSaveEnabled;
             AutoSavePeriod = general.AutoSavePeriod;

Rubberduck.Core/UI/Settings/GeneralSettingsViewModel.cs

@@ -1722,4 +1722,7 @@ Wollen Sie fortfahren?</value>
   <data name="RenameDialog_TitleText_Folder" xml:space="preserve">
     <value>Ordner umbenennen</value>
   </data>
+  <data name="GeneralSettings_EnableDragAndDrop" xml:space="preserve">
+    <value>Drag and Drop im Code Explorer aktivieren</value>
+  </data>
 </root>

Rubberduck.Resources/RubberduckUI.Designer.cs

@@ -1940,4 +1940,7 @@ Do you want to proceed?</value>
   <data name="RenameDialog_TitleText_Folder" xml:space="preserve">
     <value>Rename folder</value>
   </data>
+  <data name="GeneralSettings_EnableDragAndDrop" xml:space="preserve">
+    <value>Enable drag and drop in Code Explorer</value>
+  </data>
 </root>

Rubberduck.Resources/RubberduckUI.de.resx

@@ -202,7 +202,7 @@
     <value>Click [{0}] to close the window and apply changes, or [{1}] to discard them.</value>
   </data>
   <data name="PageInstructions_IndenterSettings" xml:space="preserve">
-    <value>Configure indenter settings.</value>
+    <value>Configure indenter settings</value>
   </data>
   <data name="PageInstructions_InspectionSettings" xml:space="preserve">
     <value>Configure inspection severity. Use "DoNotShow" to disable an inspection.</value>