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/GraphLayouter.cpp

@@ -0,0 +1,48 @@
+#include "component/controller/GraphLayouter.h"
+
+#include "component/view/graphElements/GraphNode.h"
+
+void GraphLayouter::layoutSimpleRaster(std::vector<DummyNode>& nodes)
+{
+	int x = 0;
+	int y = 0;
+	int offset = 150;
+
+	for(unsigned int i = 0; i < nodes.size(); i++)
+	{
+		nodes[i].position = Vec2i(x, y);
+
+		if(x > 0)
+		{
+			y += offset;
+			x = 0;
+		}
+		else
+		{
+			x += offset;
+		}
+	}
+}
+
+void GraphLayouter::layoutSimpleRing(std::vector<DummyNode>& nodes)
+{
+	if(nodes.size() >= 1)
+	{
+		nodes[0].position = Vec2i(0, 0);
+
+		if(nodes.size() > 1)
+		{
+			int offset = 150;
+
+			for(unsigned int i = 1; i < nodes.size(); i++)
+			{
+				float rad = ((2.0f*3.14159265359f) / float(nodes.size()-1)) * i-1;
+
+				int x = (int)((float)offset * std::cos(rad));
+				int y = (int)((float)offset * std::sin(rad));
+
+				nodes[i].position = Vec2i(x, y);
+			}
+		}
+	}
+}