HaikuDepot: UndoableEditListener base class added

src/apps/haikudepot/Jamfile

@@ -39,6 +39,7 @@ local textDocumentSources =
 	TextSelection.cpp
 	TextSpan.cpp
 	TextView.cpp
+	UndoableEditListener.cpp
 ;
 
 Application HaikuDepot :

src/apps/haikudepot/textview/UndoableEditListener.cpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2015, Stephan Aßmus <superstippi@gmx.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include "UndoableEditListener.h"
+
+
+UndoableEditListener::UndoableEditListener()
+	:
+	BReferenceable()
+{
+}
+
+
+UndoableEditListener::~UndoableEditListener()
+{
+}
+
+
+void
+UndoableEditListener::UndoableEditHappened(const TextDocument* document,
+	const UndoableEditRef& edit)
+{
+}

src/apps/haikudepot/textview/UndoableEditListener.h

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2015, Stephan Aßmus <superstippi@gmx.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+#ifndef UNDOABLE_EDIT_LISTENER_H
+#define UNDOABLE_EDIT_LISTENER_H
+
+
+#include <Referenceable.h>
+
+class TextDocument;
+class UndoableEditRef;
+
+
+class UndoableEditListener : public BReferenceable {
+public:
+								UndoableEditListener();
+	virtual						~UndoableEditListener();
+
+	virtual	void				UndoableEditHappened(
+									const TextDocument* document,
+									const UndoableEditRef& edit);
+};
+
+
+typedef BReference<UndoableEditListener> UndoableEditListenerRef;
+
+
+#endif // UNDOABLE_EDIT_LISTENER_H