Refreshing asset editor when text asset modified externally.

Author: gmpreussner

Source/TextAssetEditor/Private/AssetTools/TextAssetActions.cpp

@@ -41,7 +41,7 @@ void FTextAssetActions::GetActions(const TArray<UObject*>& InObjects, FMenuBuild
 					if (TextAsset.IsValid() && !TextAsset->Text.IsEmpty())
 					{
 						TextAsset->Text = FText::FromString(TextAsset->Text.ToString().Reverse());
-						TextAsset->MarkPackageDirty();
+						TextAsset->PostEditChange();
 					}
 				}
 			}),

Source/TextAssetEditor/Private/Factories/TextAssetFactory.cpp

@@ -25,8 +25,6 @@ UObject* UTextAssetFactory::FactoryCreateBinary(UClass* Class, UObject* InParent
 	UTextAsset* TextAsset = nullptr;
 	FString TextString;
 
-	FEditorDelegates::OnAssetPreImport.Broadcast(this, Class, InParent, Name, Type);
-
 	if (FFileHelper::LoadFileToString(TextString, *CurrentFilename))
 	{
 		TextAsset = NewObject<UTextAsset>(InParent, Class, Name, Flags);

Source/TextAssetEditor/Private/Widgets/STextAssetEditor.cpp

@@ -10,6 +10,12 @@
 /* STextAssetEditor interface
  *****************************************************************************/
 
+STextAssetEditor::~STextAssetEditor()
+{
+	FCoreUObjectDelegates::OnObjectPropertyChanged.RemoveAll(this);
+}
+
+
 void STextAssetEditor::Construct(const FArguments& InArgs, UTextAsset* InTextAsset, const TSharedRef<ISlateStyle>& InStyle)
 {
 	TextAsset = InTextAsset;
@@ -27,6 +33,8 @@ void STextAssetEditor::Construct(const FArguments& InArgs, UTextAsset* InTextAss
 					.Text(TextAsset->Text)
 			]
 	];
+
+	FCoreUObjectDelegates::OnObjectPropertyChanged.AddSP(this, &STextAssetEditor::HandleTextAssetPropertyChanged);
 }
 
 
@@ -45,4 +53,13 @@ void STextAssetEditor::HandleEditableTextBoxTextCommitted(const FText& Comment,
 }
 
 
+void STextAssetEditor::HandleTextAssetPropertyChanged(UObject* Object, FPropertyChangedEvent& PropertyChangedEvent)
+{
+	if (Object == TextAsset)
+	{
+		EditableTextBox->SetText(TextAsset->Text);
+	}
+}
+
+
 #undef LOCTEXT_NAMESPACE

Source/TextAssetEditor/Private/Widgets/STextAssetEditor.h

@@ -16,6 +16,9 @@ class STextAssetEditor
 
 public:
 
+	/** Virtual destructor. */
+	virtual ~STextAssetEditor();
+
 	/**
 	 * Construct this widget
 	 *
@@ -33,6 +36,9 @@ class STextAssetEditor
 	/** Callback for committed text in the editable text box. */
 	void HandleEditableTextBoxTextCommitted(const FText& Comment, ETextCommit::Type CommitType);
 
+	/** Callback for property changes in the text asset. */
+	void HandleTextAssetPropertyChanged(UObject* Object, FPropertyChangedEvent& PropertyChangedEvent);
+
 private:
 
 	/** Holds the editable text box widget. */