hide undo/redo actions as long as undo/redo is not completely implemented. See also issue #55

GUI/View/SampleDesigner/LayerOrientedSampleEditor.cpp

@@ -141,7 +141,11 @@ void LayerOrientedSampleEditor::setCurrentSample(MultiLayerItem* multiLayerItem)
 
 void LayerOrientedSampleEditor::updateActionEnabling()
 {
-    // #baLayerEditor implement updateActionEnabling()
+    // Undo/Redo is not complete => hide the related buttons/actions
+    if (m_undoAction)
+        m_undoAction->setVisible(false);
+    if (m_redoAction)
+        m_redoAction->setVisible(false);
 }
 
 void LayerOrientedSampleEditor::onShowInlineEditButtonsToggled(bool checked)