Implement expert mode filter to "Model Elements" library

* Filters prototypes via IModelElementHandler.hiddenInNonExpertView()

Issue-ref: 4242
Issue-URL: af3#4242



Signed-off-by: Simon Barner <barner@fortiss.org>

org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/views/.ratings

 DoubleClick.java a94d27299814a93b0d8914050a5da7378a7eccd1 GREEN
 GenericNewMenu.java 7e0dd435cb5ca6d4b486235ec17eef3e5c7aa5f6 GREEN
 LinkWithEditorPartListener.java c5ab74424378e7b158a805c4dd14fc03c8abeded GREEN
-ModelElementsView.java 412cd549f6b3c764a0a842dd3b852563a5496201 GREEN
+ModelElementsView.java bc97ed1edbfa4473d23cbbb71d16f8eb0249bb73 YELLOW
 NavigatorNewMenu.java a35e391960d1dacbe7f77982e53e1891e9382d5a GREEN
 NavigatorTreeContentComparator.java d9f1354cfdff78b104b28887d2397e5ca0e9755b GREEN
 NavigatorTreeContentProvider.java 8162138aab09b2cf833cf5f90ff6ab1fc3edc4d8 GREEN

org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/views/ModelElementsView.java

@@ -35,10 +35,12 @@ import org.fortiss.tooling.kernel.extension.data.Prototype;
 import org.fortiss.tooling.kernel.extension.data.PrototypeCategory;
 import org.fortiss.tooling.kernel.internal.PrototypeService;
 import org.fortiss.tooling.kernel.service.IPrototypeService;
+import org.fortiss.tooling.kernel.ui.extension.IModelElementHandler;
 import org.fortiss.tooling.kernel.ui.extension.base.EditorBase;
 import org.fortiss.tooling.kernel.ui.internal.editor.ExtendableMultiPageEditor;
 import org.fortiss.tooling.kernel.ui.listener.ExtendableMultiPageEditorPageChangeListener;
 import org.fortiss.tooling.kernel.ui.service.IModelElementHandlerService;
+import org.fortiss.tooling.kernel.ui.service.INavigatorService;
 
 import javafx.scene.Node;
 import javafx.scene.Scene;
@@ -175,13 +177,24 @@ public final class ModelElementsView extends FXViewPart {
 				return false;
 			}
 			if(supportedBaseClasses.contains(element)) {
-				if(filterValue == null || "".equals(filterValue)) {
-					return true;
-				}
 				if(element instanceof Prototype) {
+					boolean isExpertViewActive =
+							INavigatorService.getInstance().isExpertViewActive();
+
 					Prototype proto = (Prototype)element;
+					IModelElementHandlerService mhs = IModelElementHandlerService.getInstance();
+					IModelElementHandler<EObject> handler =
+							mhs.getModelElementHandler(proto.getPrototype());
+					if(!isExpertViewActive && handler.hiddenInNonExpertView()) {
+						return false;
+					}
+					if(filterValue == null || "".equals(filterValue)) {
+						return true;
+					}
 					return proto.getName().toLowerCase().contains(filterValue.toLowerCase());
 				}
+				throw new RuntimeException("Model Elements view: encountered unexpected type: " +
+						element.getClass().getSimpleName());
 			}
 			return false;
 		}