diff layer/FlexiNoteLayer.cpp @ 1471:f2525e6cbdf1 by-id

More layer updates

--- a/layer/FlexiNoteLayer.cpp	Fri Jun 28 17:37:22 2019 +0100
+++ b/layer/FlexiNoteLayer.cpp	Mon Jul 01 14:17:13 2019 +0100
@@ -74,14 +74,18 @@
 void
 FlexiNoteLayer::setModel(ModelId modelId) 
 {
+    auto newModel = ModelById::getAs<NoteModel>(modelId);
+    
+    if (!modelId.isNone() && !newModel) {
+        throw std::logic_error("Not a NoteModel");
+    }
+    
     if (m_model == modelId) return;
-    
-    auto model = ModelById::getAs<NoteModel>(modelId);
-    if (!model) throw std::logic_error("Not a NoteModel");
-
     m_model = modelId;
 
-    connectSignals(m_model);
+    if (newModel) {
+        connectSignals(m_model);
+    }
 
     emit modelReplaced();
 }