Query can be edited. Project database can be exported

User can now define the information to display in the nomenclature
table. WIP
The internal database of project can be exported to file.

sources/qetgraphicsitem/ViewItem/qetgraphicsheaderitem.h

@@ -68,6 +68,7 @@ class QetGraphicsHeaderItem : public QGraphicsObject
 		void setUpBoundingRect();
 		void headerDataChanged(Qt::Orientations orientation, int first, int last);
 		void adjustSize();
+		void modelReseted();
 
     private:
         QRectF m_bounding_rect;