no seg. fault, about to swicht QmlObjectListModel to QVariantList

src/Wima/WimaController.cc

@@ -13,6 +13,15 @@ WimaController::WimaController(QObject *parent) :
     connect(this, &WimaController::currentPolygonIndexChanged, this, &WimaController::recalcPolygonInteractivity);
 }
 
+QmlObjectListModel *WimaController::visualItems() const
+{
+    if (_container != nullptr) {
+        return _container->visualItems();
+    } else {
+        return nullptr;
+    }
+}
+
 QStringList WimaController::loadNameFilters() const
 {
     QStringList filters;
@@ -30,6 +39,25 @@ QStringList WimaController::saveNameFilters() const
     return filters;
 }
 
+QGeoCoordinate WimaController::joinedAreaCenter() const
+{
+    if (_container != nullptr) {
+        return _container->joinedArea()->center();
+    } else {
+        return QGeoCoordinate();
+    }
+}
+
+WimaArea *WimaController::joinedArea() const
+{
+    if (_container != nullptr) {
+        return _container->joinedArea();    void uploadToContainer();
+        void downloadFromContainer();
+    } else {
+        return nullptr;
+    }
+}
+
 void WimaController::setMasterController(PlanMasterController *masterC)
 {
     _masterController = masterC;
@@ -628,6 +656,13 @@ void WimaController::updateJoinedArea()
     emit joinedAreaChanged() ;
 }
 
+void WimaController::uploadToContainer()
+{
+    if (_container != nullptr) {
+
+    }
+}
+
 void WimaController::resetAllInteractive()
 {
     if (_container == nullptr) {

src/Wima/WimaController.h

@@ -47,14 +47,14 @@ public:
     // Property accessors
     PlanMasterController*       masterController       (void) const    { return _masterController; }
     MissionController*          missionController      (void) const    { return _missionController; }
-    QmlObjectListModel*         visualItems            (void) const    { return _container->visualItems(); }
+    QmlObjectListModel*         visualItems            (void) const;
     int                         currentPolygonIndex    (void) const    { return _currentPolygonIndex; }
     QString                     currentFile            (void) const    { return _currentFile; }
     QStringList                 loadNameFilters        (void) const;
     QStringList                 saveNameFilters        (void) const;
     QString                     fileExtension          (void) const    { return wimaFileExtension; }
-    QGeoCoordinate              joinedAreaCenter       (void) const    { return _container->joinedArea()->center(); }
-    WimaArea*                   joinedArea             (void) const    { return _container->joinedArea(); }
+    QGeoCoordinate              joinedAreaCenter       (void) const;
+    WimaArea*                   joinedArea             (void) const;
     WimaDataContainer*          dataContainer          (void) const    { return _container; }
     bool                        flyView                (void) const    { return _flyView; }
 
@@ -67,6 +67,7 @@ public:
     void setCurrentPolygonIndex     (int index);
     void setDataContainer           (WimaDataContainer* container);
 
+    // Member Methodes
     Q_INVOKABLE void startWimaController(bool flyView);
     Q_INVOKABLE bool addGOperationArea();
     /// Removes an area from _visualItems
@@ -100,10 +101,6 @@ public:
     // Member Methodes
     QJsonDocument saveToJson(FileType fileType);
 
-
-
-
-
 signals:
     void masterControllerChanged        (void);
     void missionControllerChanged       (void);
@@ -119,6 +116,8 @@ private slots:
     void recalcAll();
     void recalcPolygonInteractivity(int index);
     void updateJoinedArea();
+    void uploadToContainer();
+    void downloadFromContainer();
 
 
 private:
@@ -128,6 +127,8 @@ private:
     int                         _currentPolygonIndex;
     QString                     _currentFile;
     WimaDataContainer*          _container;
+    QmlObjectListModel*         _visualItems;
+    WimaArea*                   _joinedArea;
 
 
 };

src/Wima/WimaDataContainer.h

@@ -13,10 +13,15 @@ class WimaDataContainer : public QObject
 public:
     explicit WimaDataContainer(QObject *parent = nullptr);
 
-    QmlObjectListModel* visualItems (void) { return &_visualItems; }
-    WimaArea*           joinedArea  (void) { return &_joinedArea; }
+    QmlObjectListModel*         visualItems (void) { return &_visualItems; } //use setVisualItems to modify list
+    WimaArea                    joinedArea  (void) { return _joinedArea; }
+
+    void setJoinedArea(const WimaArea& joinedArea);
+    void setVisualItems(const QmlObjectListModel& list);
 
 signals:
+    void joinedAreaChanged();
+    void visualItemsChanged();
 
 public slots: