Add clear styles button (#99)

Filtration/ViewModels/ItemFilterScriptViewModel.cs

@@ -76,6 +76,7 @@ namespace Filtration.ViewModels
         RelayCommand CollapseAllSectionsCommand { get; }
         RelayCommand<bool> ToggleShowAdvancedCommand { get; }
         RelayCommand ClearFilterCommand { get; }
+        RelayCommand ClearStylesCommand { get; }
 
         void AddCommentBlock(IItemFilterBlockViewModelBase targetBlockViewModelBase);
         void AddBlock(IItemFilterBlockViewModelBase targetBlockViewModelBase);
@@ -155,6 +156,7 @@ namespace Filtration.ViewModels
 
             ToggleShowAdvancedCommand = new RelayCommand<bool>(OnToggleShowAdvancedCommand);
             ClearFilterCommand = new RelayCommand(OnClearFilterCommand, () => BlockFilterPredicate != null);
+            ClearStylesCommand = new RelayCommand(OnClearStylesCommand, () => SelectedBlockViewModels.OfType<IItemFilterBlockViewModel>().Count() > 0);
             CloseCommand = new RelayCommand(async () => await OnCloseCommand());
             DeleteBlockCommand = new RelayCommand(OnDeleteBlockCommand, () => CanModifySelectedBlocks());
             MoveBlockToTopCommand = new RelayCommand(OnMoveBlockToTopCommand, () => SelectedBlockViewModels.Count > 0 && CanModifySelectedBlocks());
@@ -388,6 +390,7 @@ namespace Filtration.ViewModels
 
         public RelayCommand<bool> ToggleShowAdvancedCommand { get; }
         public RelayCommand ClearFilterCommand { get; }
+        public RelayCommand ClearStylesCommand { get; }
         public RelayCommand CloseCommand { get; }
         public RelayCommand DeleteBlockCommand { get; }
         public RelayCommand MoveBlockToTopCommand { get; }
@@ -853,6 +856,23 @@ namespace Filtration.ViewModels
             BlockFilterPredicate = null;
         }
 
+        private void OnClearStylesCommand()
+        {
+            ValidateSelectedBlocks();
+            foreach (var block in SelectedBlockViewModels.OfType<IItemFilterBlockViewModel>())
+            {
+                var blockItems = block.Block.BlockItems;
+                for (var i = 0; i < blockItems.Count; i++)
+                {
+                    if (blockItems[i] is IAudioVisualBlockItem)
+                    {
+                        blockItems.RemoveAt(i--);
+                    }
+                }
+                block.RefreshBlockPreview();
+            }
+        }
+
         private void OnCopyBlockCommand()
         {
             var blocksToCopy = new List<IItemFilterBlockViewModelBase>();

Filtration/ViewModels/MainWindowViewModel.cs

@@ -142,6 +142,7 @@ namespace Filtration.ViewModels
 
             ToggleShowAdvancedCommand = new RelayCommand<bool>(OnToggleShowAdvancedCommand, s => ActiveDocumentIsScript);
             ClearFiltersCommand = new RelayCommand(OnClearFiltersCommand, () => ActiveDocumentIsScript);
+            ClearStylesCommand = new RelayCommand(OnClearStylesCommand, () => ActiveDocumentIsScript);
 
             if (string.IsNullOrEmpty(_itemFilterScriptRepository.GetItemFilterScriptDirectory()))
             {
@@ -266,6 +267,7 @@ namespace Filtration.ViewModels
 
         public RelayCommand<bool> ToggleShowAdvancedCommand { get; }
         public RelayCommand ClearFiltersCommand { get; }
+        public RelayCommand ClearStylesCommand { get; }
 
         public ImageSource Icon { get; private set; }
 
@@ -746,6 +748,11 @@ namespace Filtration.ViewModels
             _avalonDockWorkspaceViewModel.ActiveScriptViewModel.ClearFilterCommand.Execute(null);
         }
 
+        private void OnClearStylesCommand()
+        {
+            _avalonDockWorkspaceViewModel.ActiveScriptViewModel.ClearStylesCommand.Execute(null);
+        }
+
         private void OnAddTextColorThemeComponentCommand()
         {
             _avalonDockWorkspaceViewModel.ActiveThemeViewModel.AddThemeComponentCommand.Execute(ThemeComponentType.TextColor);

Filtration/Views/MainWindow.xaml

@@ -114,9 +114,10 @@
                     <fluent:Button Header="Expand All" Command="{Binding ExpandAllBlocksCommand}" SizeDefinition="Middle" Icon="{StaticResource ExpandIcon}" />
                     <fluent:Button Header="Collapse All" Command="{Binding CollapseAllBlocksCommand}" SizeDefinition="Middle" Icon="{StaticResource CollapseIcon}" />
                 </fluent:RibbonGroupBox>
-                <fluent:RibbonGroupBox Header="Filters">
+                <fluent:RibbonGroupBox Header="Filters &amp; Styles">
                     <fluent:ToggleButton Command="{Binding ToggleShowAdvancedCommand}" CommandParameter="{Binding Path=IsChecked, RelativeSource={RelativeSource Self}}" Header="Show Advanced Blocks" SizeDefinition="Middle" Icon="{StaticResource ShowAdvancedIcon}" IsChecked="{Binding ShowAdvancedStatus, Mode=OneWay}" />
                     <fluent:Button Header="Clear All Filters" Command="{Binding ClearFiltersCommand}" SizeDefinition="Middle" Icon="{StaticResource ClearFilterIcon}" />
+                    <fluent:Button Header="Clear Styles" Command="{Binding ClearStylesCommand}" SizeDefinition="Middle" Icon="{StaticResource PasteStyleIcon}" />
                 </fluent:RibbonGroupBox>
                 <fluent:RibbonGroupBox Header="Themes">
                     <fluent:Button Header="Edit Master Theme" Command="{Binding EditMasterThemeCommand}" Icon="{StaticResource ThemeIcon}" LargeIcon="{StaticResource ThemeIcon}" />