ui: graph view layouting and member rendering

Added simple layouting functions (implementations for simple grid and circle layout).
Also the graph displays class members and connections (edges) to or from them "correctly" now.

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src/lib/component/controller/GraphController.h

@@ -1,11 +1,17 @@
 #ifndef GRAPH_CONTROLLER_H
 #define GRAPH_CONTROLLER_H
 
+#include <set>
+#include <vector>
+
 #include "utility/messaging/MessageListener.h"
 #include "utility/messaging/type/MessageActivateToken.h"
 
 #include "component/controller/Controller.h"
+#include "component/controller/GraphLayouter.h"
 
+struct DummyNode;
+struct DummyEdge;
 class GraphView;
 class GraphAccess;
 
@@ -20,6 +26,17 @@ public:
 private:
 	virtual void handleMessage(MessageActivateToken* message);
 	GraphView* getView();
+	void createDummyGraph(const Id activeId, const LayoutFunction layoutFunction);
+
+	DummyNode createDummyNode(const Id nodeId);
+	Id findTopLevelNode(const Id nodeId);
+	DummyNode buildNodeTopDown(const Id nodeId);
+
+	std::vector<DummyNode> createNeighbourNodes(const Id nodeId);
+	std::vector<DummyNode> createNeighbourNodes(const DummyNode& node);
+
+	std::vector<DummyEdge> createEdges(const std::vector<DummyNode>& nodes);
+	std::set<DummyEdge> getNeighbourEdgesOfNode(const DummyNode& node);
 
 	GraphAccess* m_graphAccess;
 };