Merge pull request #4064 from Nexus-Mods/fix/file-conflicts-isActive-styling

Set Active styling for File Conflicts TreeDataGrid items

Author: Al12rs

src/NexusMods.App.UI/Pages/Sorting/FileConflicts/FileConflictsColumns.cs

@@ -115,4 +115,7 @@ public static int Compare<TKey>(CompositeItemModel<TKey> a, CompositeItemModel<T
         public static string GetColumnHeader() => "Actions";
         public static string GetColumnTemplateResourceKey() => ColumnTemplateResourceKey;
     }
+    
+    public static readonly ComponentKey IsActiveComponentKey = ComponentKey.From(nameof(FileConflictsColumns) + "_" + "IsActiveComponent");
+    public static readonly string IsActiveStyleTag = "IsActive";
 }

src/NexusMods.App.UI/Pages/Sorting/FileConflicts/FileConflictsViewModel.cs

@@ -282,6 +282,20 @@ protected override void BeforeModelActivationHook(CompositeItemModel<EntityId> m
                 adapter.MessageSubject.OnNext(new MoveDownCommandPayload(itemModel));
             })
         );
+        
+        // IsActive styling
+        model.SubscribeToComponentAndTrack<ValueComponent<bool>, FileConflictsTreeDataGridAdapter>(
+            key: FileConflictsColumns.IsActiveComponentKey,
+            state: this,
+            factory: static (adapter, itemModel, component) => component.Value
+                .Subscribe((adapter, itemModel, component),
+                    static (_, tuple) =>
+                    {
+                        var (_, itemModel, component) = tuple;
+                        itemModel.SetStyleFlag(FileConflictsColumns.IsActiveStyleTag, component.Value.Value);
+                    }
+                )
+        );
     }
 
     protected override IObservable<IChangeSet<CompositeItemModel<EntityId>, EntityId>> GetRootsObservable(bool viewHierarchical)
@@ -346,6 +360,9 @@ private CompositeItemModel<EntityId> CreateItemModel((EntityId, long, EntityId,
             canExecuteMoveUp: canExecuteMoveUp,
             canExecuteMoveDown: canExecuteMoveDown
         ));
+        
+        // NOTE(Al12rs): Mark all items as active for styling purposes, change this if we need to display inactive items
+        itemModel.Add(FileConflictsColumns.IsActiveComponentKey, new ValueComponent<bool>(true));
 
         return itemModel;
     }