added support for ground truth points: \n -layer for gt points \n -button with icon

-saving and loading support

mapview/model/MMFloorGroundTruthPoints.h

@@ -0,0 +1,46 @@
+#ifndef MMFLOORGROUNDTRUTHPOINTS_H
+#define MMFLOORGROUNDTRUTHPOINTS_H
+
+#include "MapLayer.h"
+#include "MMFloorGroundTruthPoint.h"
+
+#include <Indoor/floorplan/v2/Floorplan.h>
+
+/**
+ * layer that contains all of one floor's GroundTruthPoints
+ */
+class MMFloorGroundTruthPoints : public MapLayer {
+
+    Floorplan::Floor* floor;
+
+public:
+
+    /** ctor with the floor */
+    MMFloorGroundTruthPoints(MapLayer* parent, Floorplan::Floor* floor) : MapLayer(parent, MapLayerType::FLOOR_GROUND_TRUTH_POINTS), floor(floor) {
+
+        // the POIs
+        for (Floorplan::GroundTruthPoint* gtp : floor->gtpoints) {
+            elements.push_back(new MMFloorGroundTruthPoint(this, floor, gtp));
+        }
+
+    }
+
+    /** get the corresponding floor from the underlying model */
+    Floorplan::Floor* getFloor() {return floor;}
+
+    //TODO: check
+    void createGroundTruthPoint(Floorplan::GroundTruthPoint* gtp) {
+
+        // add to underlying model
+        floor->gtpoints.push_back(gtp);
+
+        // add to myself as element
+        elements.push_back(new MMFloorGroundTruthPoint(this, floor, gtp));
+
+    }
+
+    std::string getLayerName() const override {return "GroundTruthPoints";}
+
+};
+
+#endif // MMFLOORGROUNDTRUTHPOINTS_H