reset ref button addded to circular surveyy

src/PlanView/CircularSurveyItemEditor.qml

@@ -151,6 +151,11 @@ Rectangle {
             spacing:        _margin
             visible:        transectsHeader.checked
 
+            QGCButton {
+                text:               qsTr("Reset Reference")
+                onClicked:          missionItem.resetReference();
+            }
+
             QGCButton {
                 text:               qsTr("Rotate Entry Point")
                 onClicked:          missionItem.rotateEntryPoint();

src/Wima/CircularSurveyComplexItem.cc

@@ -34,13 +34,17 @@ CircularSurveyComplexItem::CircularSurveyComplexItem(Vehicle *vehicle, bool flyV
 
 }
 
+void CircularSurveyComplexItem::resetReference()
+{
+    setRefPoint(_surveyAreaPolygon.center());
+}
+
 void CircularSurveyComplexItem::setRefPoint(const QGeoCoordinate &refPt)
 {
     if (refPt != _referencePoint){
         _referencePoint = refPt;
 
         emit refPointChanged();
-        //qDebug() << _referencePoint.toString();
     }
 }
 

src/Wima/CircularSurveyComplexItem.h

@@ -24,6 +24,8 @@ public:
     Q_PROPERTY(Fact* transectMinLength READ transectMinLength CONSTANT)
     Q_PROPERTY(bool autoGenerated READ autoGenerated NOTIFY autoGeneratedChanged)
 
+    Q_INVOKABLE void resetReference(void);
+
     // Property setters
     void setRefPoint(const QGeoCoordinate &refPt);
     // Set this to true if survey was automatically generated, prevents initialisation from gui.

src/Wima/WimaController.cc

@@ -354,6 +354,8 @@ void WimaController::containerDataValidChanged(bool valid)
 
 void WimaController::updateCurrentMissionItems()
 {
+    if (_missionItems.count() < 0 || !_localPlanDataValid)
+        return;
     int numberWaypoints = 30; // the number of waypoints currentMissionItems must not exceed
     int overlapping = 2; // number of overlapping waypoints of consecutive mission phases
 

src/Wima/WimaPlaner.cc

@@ -100,6 +100,7 @@ void WimaPlaner::removeArea(int index)
         if (_visualItems.count() == 0) {
             // this branch is reached if all items are removed
             // to guarentee proper behavior, _currentAreaIndex must be set to a invalid value, as on constructor init.
+            resetAllInteractive();
             _currentAreaIndex = -1;
             return;
         }

src/WimaView/SphericalSurveyMapVisual.qml

@@ -172,11 +172,19 @@ Item {
         DragCoordinate {
             map:        _root.map
             qgcView:    _root.qgcView
-            z:              QGroundControl.zOrderMapItems
+            z:          QGroundControl.zOrderMapItems
             checked:    _missionItem.isCurrentItem
             coordinate: _missionItem.refPoint
 
-            onCoordinateChanged: _missionItem.refPoint = coordinate            
+            property var refPoint: _missionItem.refPoint
+
+            onCoordinateChanged: _missionItem.refPoint = coordinate
+            onRefPointChanged: {
+                if (refPoint !== coordinate) {
+                    coordinate = refPoint
+                }
+            }
+
             onClicked:  _root.clicked(_missionItem.sequenceNumber)
         }
     }