Remove code duplication.

Filtration/ViewModels/ItemFilterBlockViewModel.cs

@@ -28,7 +28,6 @@ namespace Filtration.ViewModels
         private readonly IStaticDataService _staticDataService;
         private readonly IReplaceColorsViewModel _replaceColorsViewModel;
         private readonly MediaPlayer _mediaPlayer = new MediaPlayer();
-        private IItemFilterScriptViewModel _parentScriptViewModel;
 
         private bool _displaySettingsPopupOpen;
         private bool _isExpanded;
@@ -39,17 +38,8 @@ namespace Filtration.ViewModels
             _staticDataService = staticDataService;
             _replaceColorsViewModel = replaceColorsViewModel;
 
-            CopyBlockCommand = new RelayCommand(OnCopyBlockCommand);
-            PasteBlockCommand = new RelayCommand(OnPasteBlockCommand);
             CopyBlockStyleCommand = new RelayCommand(OnCopyBlockStyleCommand);
             PasteBlockStyleCommand = new RelayCommand(OnPasteBlockStyleCommand);
-            AddBlockCommand = new RelayCommand(OnAddBlockCommand);
-            AddSectionCommand = new RelayCommand(OnAddSectionCommand);
-            DeleteBlockCommand = new RelayCommand(OnDeleteBlockCommand);
-            MoveBlockUpCommand = new RelayCommand(OnMoveBlockUpCommand);
-            MoveBlockDownCommand = new RelayCommand(OnMoveBlockDownCommand);
-            MoveBlockToTopCommand = new RelayCommand(OnMoveBlockToTopCommand);
-            MoveBlockToBottomCommand = new RelayCommand(OnMoveBlockToBottomCommand);
             ReplaceColorsCommand = new RelayCommand(OnReplaceColorsCommand);
             AddFilterBlockItemCommand = new RelayCommand<Type>(OnAddFilterBlockItemCommand);
             ToggleBlockActionCommand = new RelayCommand(OnToggleBlockActionCommand);
@@ -82,17 +72,8 @@ namespace Filtration.ViewModels
             base.Initialise(itemFilterBlock, parentScriptViewModel);
         }
 
-        public RelayCommand CopyBlockCommand { get; }
-        public RelayCommand PasteBlockCommand { get; }
         public RelayCommand CopyBlockStyleCommand { get; }
         public RelayCommand PasteBlockStyleCommand { get; }
-        public RelayCommand AddBlockCommand { get; }
-        public RelayCommand AddSectionCommand { get; }
-        public RelayCommand DeleteBlockCommand { get; }
-        public RelayCommand MoveBlockUpCommand { get; }
-        public RelayCommand MoveBlockDownCommand { get; }
-        public RelayCommand MoveBlockToTopCommand { get; }
-        public RelayCommand MoveBlockToBottomCommand { get; }
         public RelayCommand ToggleBlockActionCommand { get; }
         public RelayCommand ReplaceColorsCommand { get; }
         public RelayCommand<Type> AddFilterBlockItemCommand { get; }

Filtration/ViewModels/ItemFilterBlockViewModelBase.cs

@@ -1,6 +1,7 @@
 using System;
 using Filtration.ObjectModel;
 using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.CommandWpf;
 
 namespace Filtration.ViewModels
 {
@@ -16,14 +17,40 @@ namespace Filtration.ViewModels
     {
         private bool _isDirty;
 
+        public ItemFilterBlockViewModelBase()
+        {
+            CopyBlockCommand = new RelayCommand(OnCopyBlockCommand);
+            PasteBlockCommand = new RelayCommand(OnPasteBlockCommand);
+            AddBlockCommand = new RelayCommand(OnAddBlockCommand);
+            AddSectionCommand = new RelayCommand(OnAddSectionCommand);
+            DeleteBlockCommand = new RelayCommand(OnDeleteBlockCommand);
+            MoveBlockUpCommand = new RelayCommand(OnMoveBlockUpCommand);
+            MoveBlockDownCommand = new RelayCommand(OnMoveBlockDownCommand);
+            MoveBlockToTopCommand = new RelayCommand(OnMoveBlockToTopCommand);
+            MoveBlockToBottomCommand = new RelayCommand(OnMoveBlockToBottomCommand);
+        }
+
+
         public virtual void Initialise(IItemFilterBlockBase itemfilterBlock, IItemFilterScriptViewModel itemFilterScriptViewModel)
         {
             BaseBlock = itemfilterBlock;
+            _parentScriptViewModel = itemFilterScriptViewModel;
         }
 
         public event EventHandler BlockBecameDirty;
 
         public IItemFilterBlockBase BaseBlock { get; protected set; }
+        public IItemFilterScriptViewModel _parentScriptViewModel;
+
+        public RelayCommand CopyBlockCommand { get; }
+        public RelayCommand PasteBlockCommand { get; }
+        public RelayCommand AddBlockCommand { get; }
+        public RelayCommand AddSectionCommand { get; }
+        public RelayCommand DeleteBlockCommand { get; }
+        public RelayCommand MoveBlockUpCommand { get; }
+        public RelayCommand MoveBlockDownCommand { get; }
+        public RelayCommand MoveBlockToTopCommand { get; }
+        public RelayCommand MoveBlockToBottomCommand { get; }
         
         public bool IsDirty
         {
@@ -38,5 +65,50 @@ namespace Filtration.ViewModels
                 }
             }
         }
+
+        private void OnCopyBlockCommand()
+        {
+            _parentScriptViewModel.CopyBlock(this);
+        }
+
+        private void OnPasteBlockCommand()
+        {
+            _parentScriptViewModel.PasteBlock(this);
+        }
+
+        private void OnAddBlockCommand()
+        {
+            _parentScriptViewModel.AddBlock(this);
+        }
+
+        private void OnAddSectionCommand()
+        {
+            _parentScriptViewModel.AddCommentBlock(this);
+        }
+
+        private void OnDeleteBlockCommand()
+        {
+            _parentScriptViewModel.DeleteBlock(this);
+        }
+
+        private void OnMoveBlockUpCommand()
+        {
+            _parentScriptViewModel.MoveBlockUp(this);
+        }
+
+        private void OnMoveBlockDownCommand()
+        {
+            _parentScriptViewModel.MoveBlockDown(this);
+        }
+
+        private void OnMoveBlockToTopCommand()
+        {
+            _parentScriptViewModel.MoveBlockToTop(this);
+        }
+
+        private void OnMoveBlockToBottomCommand()
+        {
+            _parentScriptViewModel.MoveBlockToBottom(this);
+        }
     }
 }

Filtration/ViewModels/ItemFilterCommentBlockViewModel.cs

@@ -1,5 +1,4 @@
 using Filtration.ObjectModel;
-using GalaSoft.MvvmLight.CommandWpf;
 
 namespace Filtration.ViewModels
 {
@@ -11,31 +10,6 @@ namespace Filtration.ViewModels
 
     internal class ItemFilterCommentBlockViewModel : ItemFilterBlockViewModelBase, IItemFilterCommentBlockViewModel
     {
-        private IItemFilterScriptViewModel _parentScriptViewModel;
-
-        public ItemFilterCommentBlockViewModel()
-        {
-            CopyBlockCommand = new RelayCommand(OnCopyBlockCommand);
-            PasteBlockCommand = new RelayCommand(OnPasteBlockCommand);
-            AddBlockCommand = new RelayCommand(OnAddBlockCommand);
-            AddSectionCommand = new RelayCommand(OnAddSectionCommand);
-            DeleteBlockCommand = new RelayCommand(OnDeleteBlockCommand);
-            MoveBlockUpCommand = new RelayCommand(OnMoveBlockUpCommand);
-            MoveBlockDownCommand = new RelayCommand(OnMoveBlockDownCommand);
-            MoveBlockToTopCommand = new RelayCommand(OnMoveBlockToTopCommand);
-            MoveBlockToBottomCommand = new RelayCommand(OnMoveBlockToBottomCommand);
-        }
-        
-        public RelayCommand CopyBlockCommand { get; }
-        public RelayCommand PasteBlockCommand { get; }
-        public RelayCommand AddBlockCommand { get; }
-        public RelayCommand AddSectionCommand { get; }
-        public RelayCommand DeleteBlockCommand { get; }
-        public RelayCommand MoveBlockUpCommand { get; }
-        public RelayCommand MoveBlockDownCommand { get; }
-        public RelayCommand MoveBlockToTopCommand { get; }
-        public RelayCommand MoveBlockToBottomCommand { get; }
-
         public override void Initialise(IItemFilterBlockBase itemfilterBlock, IItemFilterScriptViewModel itemFilterScriptViewModel)
         {
             _parentScriptViewModel = itemFilterScriptViewModel;
@@ -56,52 +30,8 @@ namespace Filtration.ViewModels
             set
             {
                 ItemFilterCommentBlock.Comment = value;
-            }
+                RaisePropertyChanged();
-        }
+            }
-
-        private void OnCopyBlockCommand()
-        {
-            _parentScriptViewModel.CopyBlock(this);
-        }
-
-        private void OnPasteBlockCommand()
-        {
-            _parentScriptViewModel.PasteBlock(this);
-        }
-
-        private void OnAddBlockCommand()
-        {
-            _parentScriptViewModel.AddBlock(this);
-        }
-
-        private void OnAddSectionCommand()
-        {
-            _parentScriptViewModel.AddCommentBlock(this);
-        }
-
-        private void OnDeleteBlockCommand()
-        {
-            _parentScriptViewModel.DeleteBlock(this);
-        }
-
-        private void OnMoveBlockUpCommand()
-        {
-            _parentScriptViewModel.MoveBlockUp(this);
-        }
-
-        private void OnMoveBlockDownCommand()
-        {
-            _parentScriptViewModel.MoveBlockDown(this);
-        }
-
-        private void OnMoveBlockToTopCommand()
-        {
-            _parentScriptViewModel.MoveBlockToTop(this);
-        }
-
-        private void OnMoveBlockToBottomCommand()
-        {
-            _parentScriptViewModel.MoveBlockToBottom(this);
         }
     }
 }