comparison layer/Layer.cpp @ 1489:b402121d8f5f

Add direct method to get source model

     connect(model.get(), SIGNAL(completionChanged(ModelId)),
             this, SIGNAL(modelCompletionChanged(ModelId)));
 
     connect(model.get(), SIGNAL(alignmentCompletionChanged(ModelId)),
             this, SIGNAL(modelAlignmentCompletionChanged(ModelId)));
+}
+
+ModelId
+Layer::getSourceModel() const
+{
+    ModelId sourceId;
+    auto model = ModelById::get(getModel());
+    while (model && !model->getSourceModel().isNone()) {
+        sourceId = model->getSourceModel();
+        model = ModelById::get(sourceId);
+    }
+    return sourceId;
 }
 
 QString
 Layer::getPropertyContainerIconName() const
 {