src/MissionManager/CameraSectionTest.cc

@@ -592,7 +592,7 @@ void CameraSectionTest::_testScanForGimbalSection(void)
 
     // Check for a scan success
 
-    SimpleMissionItem* newValidGimbalItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+    SimpleMissionItem* newValidGimbalItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
     newValidGimbalItem->missionItem() = _validGimbalItem->missionItem();
     visualItems.append(newValidGimbalItem);
     scanIndex = 0;
@@ -676,7 +676,7 @@ void CameraSectionTest::_testScanForCameraModeSection(void)
 
     // Check for a scan success
 
-    SimpleMissionItem* newValidCameraModeItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+    SimpleMissionItem* newValidCameraModeItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
     newValidCameraModeItem->missionItem() = _validCameraPhotoModeItem->missionItem();
     visualItems.append(newValidCameraModeItem);
     scanIndex = 0;
@@ -735,7 +735,7 @@ void CameraSectionTest::_testScanForPhotoIntervalTimeSection(void)
     Mission Param #3	Number of images to capture total - 0 for unlimited capture
 */
 
-    SimpleMissionItem* newValidTimeItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+    SimpleMissionItem* newValidTimeItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
     newValidTimeItem->missionItem() = _validTimeItem->missionItem();
     visualItems.append(newValidTimeItem);
     QCOMPARE(_cameraSection->scanForSection(&visualItems, scanIndex), true);
@@ -776,7 +776,7 @@ void CameraSectionTest::_testScanForPhotoIntervalDistanceSection(void)
     Mission Param #7	Empty
     */
 
-    SimpleMissionItem* newValidDistanceItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+    SimpleMissionItem* newValidDistanceItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
     newValidDistanceItem->missionItem() = _validDistanceItem->missionItem();
     visualItems.append(newValidDistanceItem);
     QCOMPARE(_cameraSection->scanForSection(&visualItems, scanIndex), true);
@@ -862,7 +862,7 @@ void CameraSectionTest::_testScanForStartVideoSection(void)
     Mission Param #3	Reserved
     */
 
-    SimpleMissionItem* newValidStartVideoItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+    SimpleMissionItem* newValidStartVideoItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
     newValidStartVideoItem->missionItem() = _validStartVideoItem->missionItem();
     visualItems.append(newValidStartVideoItem);
     QCOMPARE(_cameraSection->scanForSection(&visualItems, scanIndex), true);
@@ -898,7 +898,7 @@ void CameraSectionTest::_testScanForStopVideoSection(void)
     Mission Param #1 Reserved (Set to 0)
     */
 
-    SimpleMissionItem* newValidStopVideoItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+    SimpleMissionItem* newValidStopVideoItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
     newValidStopVideoItem->missionItem() = _validStopVideoItem->missionItem();
     visualItems.append(newValidStopVideoItem);
     QCOMPARE(_cameraSection->scanForSection(&visualItems, scanIndex), true);
@@ -936,8 +936,8 @@ void CameraSectionTest::_testScanForStopPhotoSection(void)
 
     _commonScanTest(_cameraSection);
 
-    SimpleMissionItem* newValidStopDistanceItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
-    SimpleMissionItem* newValidStopTimeItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+    SimpleMissionItem* newValidStopDistanceItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
+    SimpleMissionItem* newValidStopTimeItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
     newValidStopDistanceItem->missionItem() = _validStopDistanceItem->missionItem();
     newValidStopTimeItem->missionItem() = _validStopTimeItem->missionItem();
     visualItems.append(newValidStopDistanceItem);
@@ -950,8 +950,8 @@ void CameraSectionTest::_testScanForStopPhotoSection(void)
 
     // Out of order commands
 
-    SimpleMissionItem validStopDistanceItem(_offlineVehicle, false /* flyView */, nullptr);
-    SimpleMissionItem validStopTimeItem(_offlineVehicle, false /* flyView */, nullptr);
+    SimpleMissionItem validStopDistanceItem(_offlineVehicle, false /* flyView */, false /* forLoad */, nullptr);
+    SimpleMissionItem validStopTimeItem(_offlineVehicle, false /* flyView */, false /* forLoad */, nullptr);
     validStopDistanceItem.missionItem() = _validStopDistanceItem->missionItem();
     validStopTimeItem.missionItem() = _validStopTimeItem->missionItem();
     visualItems.append(&validStopTimeItem);
@@ -979,7 +979,7 @@ void CameraSectionTest::_testScanForTakePhotoSection(void)
     Mission Param #4	0 Unused sequence id
     */
 
-    SimpleMissionItem* newValidTakePhotoItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+    SimpleMissionItem* newValidTakePhotoItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
     newValidTakePhotoItem->missionItem() = _validTakePhotoItem->missionItem();
     visualItems.append(newValidTakePhotoItem);
     QCOMPARE(_cameraSection->scanForSection(&visualItems, scanIndex), true);
@@ -1051,9 +1051,9 @@ void CameraSectionTest::_testScanForMultipleItems(void)
     // Camera action followed by gimbal/mode
     for (SimpleMissionItem* actionItem: rgActionItems) {
         for (SimpleMissionItem* cameraItem: rgCameraItems) {
-            SimpleMissionItem* item1 = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+            SimpleMissionItem* item1 = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
             item1->missionItem() = actionItem->missionItem();
-            SimpleMissionItem* item2 = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+            SimpleMissionItem* item2 = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
             item2->missionItem() = cameraItem->missionItem();
             visualItems.append(item1);
             visualItems.append(item2);
@@ -1072,9 +1072,9 @@ void CameraSectionTest::_testScanForMultipleItems(void)
     // Gimbal/Mode followed by camera action
     for (SimpleMissionItem* actionItem: rgCameraItems) {
         for (SimpleMissionItem* cameraItem: rgActionItems) {
-            SimpleMissionItem* item1 = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+            SimpleMissionItem* item1 = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
             item1->missionItem() = actionItem->missionItem();
-            SimpleMissionItem* item2 = new SimpleMissionItem(_offlineVehicle, false /* flyView */, this);
+            SimpleMissionItem* item2 = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, this);
             item2->missionItem() = cameraItem->missionItem();
             visualItems.append(item1);
             visualItems.append(item2);

src/MissionManager/FWLandingPatternTest.cc

@@ -97,7 +97,7 @@ void FWLandingPatternTest::_testAppendSectionItems(void)
     QmlObjectListModel* simpleItems = new QmlObjectListModel(this);
 
     for (MissionItem* item: rgMissionItems) {
-        SimpleMissionItem* simpleItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, simpleItems);
+        SimpleMissionItem* simpleItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, simpleItems);
         simpleItem->missionItem() = *item;
         simpleItems->append(simpleItem);
     }
@@ -118,7 +118,7 @@ void FWLandingPatternTest::_testAppendSectionItems(void)
     _fwItem->appendMissionItems(rgMissionItems, this);
     simpleItems = new QmlObjectListModel(this);
     for (MissionItem* item: rgMissionItems) {
-        SimpleMissionItem* simpleItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, simpleItems);
+        SimpleMissionItem* simpleItem = new SimpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, simpleItems);
         simpleItem->missionItem() = *item;
         simpleItems->append(simpleItem);
     }

src/MissionManager/MissionController.cc

@@ -359,7 +359,7 @@ int MissionController::_nextSequenceNumber(void)
 VisualMissionItem* MissionController::_insertSimpleMissionItemWorker(QGeoCoordinate coordinate, MAV_CMD command, int visualItemIndex, bool makeCurrentItem)
 {
     int sequenceNumber = _nextSequenceNumber();
-    SimpleMissionItem * newItem = new SimpleMissionItem(_controllerVehicle, _flyView, this);
+    SimpleMissionItem * newItem = new SimpleMissionItem(_controllerVehicle, _flyView, false /* forLoad */, this);
     newItem->setSequenceNumber(sequenceNumber);
     newItem->setCoordinate(coordinate);
     newItem->setCommand(command);
@@ -673,7 +673,7 @@ bool MissionController::_loadJsonMissionFileV1(const QJsonObject& json, QmlObjec
 
     MissionSettingsItem* settingsItem = _addMissionSettings(visualItems);
     if (json.contains(_jsonPlannedHomePositionKey)) {
-        SimpleMissionItem* item = new SimpleMissionItem(_controllerVehicle, _flyView, visualItems);
+        SimpleMissionItem* item = new SimpleMissionItem(_controllerVehicle, _flyView, true /* forLoad */, visualItems);
         if (item->load(json[_jsonPlannedHomePositionKey].toObject(), 0, errorString)) {
             settingsItem->setInitialHomePositionFromUser(item->coordinate());
             item->deleteLater();
@@ -709,11 +709,11 @@ bool MissionController::_loadJsonMissionFileV1(const QJsonObject& json, QmlObjec
             }
 
             const QJsonObject itemObject = itemValue.toObject();
-            SimpleMissionItem* item = new SimpleMissionItem(_controllerVehicle, _flyView, visualItems);
+            SimpleMissionItem* item = new SimpleMissionItem(_controllerVehicle, _flyView, true /* forLoad */, visualItems);
             if (item->load(itemObject, itemObject["id"].toInt(), errorString)) {
                 if (TakeoffMissionItem::isTakeoffCommand(item->mavCommand())) {
                     // This needs to be a TakeoffMissionItem
-                    TakeoffMissionItem* takeoffItem = new TakeoffMissionItem(_controllerVehicle, _flyView, settingsItem, visualItems);
+                    TakeoffMissionItem* takeoffItem = new TakeoffMissionItem(_controllerVehicle, _flyView, settingsItem, true /* forLoad */, visualItems);
                     takeoffItem->load(itemObject, itemObject["id"].toInt(), errorString);
                     item->deleteLater();
                     item = takeoffItem;
@@ -797,11 +797,11 @@ bool MissionController::_loadJsonMissionFileV2(const QJsonObject& json, QmlObjec
         QString itemType = itemObject[VisualMissionItem::jsonTypeKey].toString();
 
         if (itemType == VisualMissionItem::jsonTypeSimpleItemValue) {
-            SimpleMissionItem* simpleItem = new SimpleMissionItem(_controllerVehicle, _flyView, visualItems);
+            SimpleMissionItem* simpleItem = new SimpleMissionItem(_controllerVehicle, _flyView, true /* forLoad */, visualItems);
             if (simpleItem->load(itemObject, nextSequenceNumber, errorString)) {
                 if (TakeoffMissionItem::isTakeoffCommand(static_cast<MAV_CMD>(simpleItem->command()))) {
                     // This needs to be a TakeoffMissionItem
-                    TakeoffMissionItem* takeoffItem = new TakeoffMissionItem(_controllerVehicle, _flyView, settingsItem, this);
+                    TakeoffMissionItem* takeoffItem = new TakeoffMissionItem(_controllerVehicle, _flyView, settingsItem, true /* forLoad */, this);
                     takeoffItem->load(itemObject, nextSequenceNumber, errorString);
                     simpleItem->deleteLater();
                     simpleItem = takeoffItem;
@@ -941,14 +941,14 @@ bool MissionController::_loadTextMissionFile(QTextStream& stream, QmlObjectListM
         MissionSettingsItem* settingsItem = _addMissionSettings(visualItems);
 
         while (!stream.atEnd()) {
-            SimpleMissionItem* item = new SimpleMissionItem(_controllerVehicle, _flyView, visualItems);
+            SimpleMissionItem* item = new SimpleMissionItem(_controllerVehicle, _flyView, true /* forLoad */, visualItems);
             if (item->load(stream)) {
                 if (firstItem && plannedHomePositionInFile) {
                     settingsItem->setInitialHomePositionFromUser(item->coordinate());
                 } else {
                     if (TakeoffMissionItem::isTakeoffCommand(static_cast<MAV_CMD>(item->command()))) {
                         // This needs to be a TakeoffMissionItem
-                        TakeoffMissionItem* takeoffItem = new TakeoffMissionItem(_controllerVehicle, _flyView, settingsItem, visualItems);
+                        TakeoffMissionItem* takeoffItem = new TakeoffMissionItem(_controllerVehicle, _flyView, settingsItem, true /* forLoad */, visualItems);
                         takeoffItem->load(stream);
                         item->deleteLater();
                         item = takeoffItem;

src/MissionManager/MissionItemTest.cc

@@ -281,7 +281,7 @@ void MissionItemTest::_testSimpleLoadFromStream(void)
 {
     // We specifically test SimpleMissionItem loading as well since it has additional
     // signalling which can affect values.
-    SimpleMissionItem simpleMissionItem(_offlineVehicle, false /* flyView */, nullptr);
+    SimpleMissionItem simpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, nullptr);
 
     QString testString("10\t0\t3\t80\t10\t20\t30\t40\t-10\t-20\t-30\t1\r\n");
     QTextStream testStream(&testString, QIODevice::ReadOnly);
@@ -451,7 +451,7 @@ void MissionItemTest::_testSimpleLoadFromJson(void)
     // We specifically test SimpleMissionItem loading as well since it has additional
     // signalling which can affect values.
 
-    SimpleMissionItem simpleMissionItem(_offlineVehicle, false /* flyView */, nullptr);
+    SimpleMissionItem simpleMissionItem(_offlineVehicle, false /* flyView */, false /* forLoad */, nullptr);
     QString     errorString;
     QJsonArray  coordinateArray;
     QJsonObject jsonObject;

src/MissionManager/SimpleMissionItem.cc

@@ -51,7 +51,7 @@ static const struct EnumInfo_s _rgMavFrameInfo[] = {
 { "MAV_FRAME_GLOBAL_TERRAIN_ALT_INT",   MAV_FRAME_GLOBAL_TERRAIN_ALT_INT },
 };
 
-SimpleMissionItem::SimpleMissionItem(Vehicle* vehicle, bool flyView, QObject* parent)
+SimpleMissionItem::SimpleMissionItem(Vehicle* vehicle, bool flyView, bool forLoad, QObject* parent)
     : VisualMissionItem                 (vehicle, flyView, parent)
     , _rawEdit                          (false)
     , _dirty                            (false)
@@ -75,13 +75,15 @@ SimpleMissionItem::SimpleMissionItem(Vehicle* vehicle, bool flyView, QObject* pa
     _editorQml = QStringLiteral("qrc:/qml/SimpleItemEditor.qml");
 
     _setupMetaData();
-    _connectSignals();
-    _updateOptionalSections();
-
-    _setDefaultsForCommand();
-    _rebuildFacts();
 
-    setDirty(false);
+    if (!forLoad) {
+        // We are are going to load the SimpleItem right after this then don't connnect up signalling until after load is done
+        _connectSignals();
+        _updateOptionalSections();
+        _setDefaultsForCommand();
+        _rebuildFacts();
+        setDirty(false);
+    }
 }
 
 SimpleMissionItem::SimpleMissionItem(Vehicle* vehicle, bool flyView, const MissionItem& missionItem, QObject* parent)
@@ -295,7 +297,10 @@ bool SimpleMissionItem::load(QTextStream &loadStream)
             _altitudeFact.setRawValue(_missionItem._param7Fact.rawValue());
             _amslAltAboveTerrainFact.setRawValue(qQNaN());
         }
+        _connectSignals();
         _updateOptionalSections();
+        _rebuildFacts();
+        setDirty(false);
     }
 
     return success;
@@ -328,7 +333,10 @@ bool SimpleMissionItem::load(const QJsonObject& json, int sequenceNumber, QStrin
         }
     }
 
+    _connectSignals();
     _updateOptionalSections();
+    _rebuildFacts();
+    setDirty(false);
 
     return true;
 }

src/MissionManager/SimpleMissionItem.h

@@ -24,9 +24,8 @@ class SimpleMissionItem : public VisualMissionItem
     Q_OBJECT
     
 public:
-    SimpleMissionItem(Vehicle* vehicle, bool flyView, QObject* parent);
+    SimpleMissionItem(Vehicle* vehicle, bool flyView, bool forLoad, QObject* parent);
     SimpleMissionItem(Vehicle* vehicle, bool flyView, const MissionItem& missionItem, QObject* parent);
-    //SimpleMissionItem(const SimpleMissionItem& other, bool flyView, QObject* parent);
 
     ~SimpleMissionItem();
 

src/MissionManager/SimpleMissionItemTest.cc

@@ -167,7 +167,7 @@ void SimpleMissionItemTest::_testEditorFacts(void)
 
 void SimpleMissionItemTest::_testDefaultValues(void)
 {
-    SimpleMissionItem item(_offlineVehicle, false /* flyView */, nullptr);
+    SimpleMissionItem item(_offlineVehicle, false /* flyView */, false /* forLoad */, nullptr);
 
     item.missionItem().setCommand(MAV_CMD_NAV_WAYPOINT);
     item.missionItem().setFrame(MAV_FRAME_GLOBAL_RELATIVE_ALT);

src/MissionManager/TakeoffMissionItem.cc

@@ -19,26 +19,26 @@
 #include "QGroundControlQmlGlobal.h"
 #include "SettingsManager.h"
 
-TakeoffMissionItem::TakeoffMissionItem(Vehicle* vehicle, bool flyView, MissionSettingsItem* settingsItem, QObject* parent)
-    : SimpleMissionItem (vehicle, flyView, parent)
+TakeoffMissionItem::TakeoffMissionItem(Vehicle* vehicle, bool flyView, MissionSettingsItem* settingsItem, bool forLoad, QObject* parent)
+    : SimpleMissionItem (vehicle, flyView, forLoad, parent)
     , _settingsItem     (settingsItem)
 {
-    _init();
+    _init(forLoad);
 }
 
 TakeoffMissionItem::TakeoffMissionItem(MAV_CMD takeoffCmd, Vehicle* vehicle, bool flyView, MissionSettingsItem* settingsItem, QObject* parent)
-    : SimpleMissionItem (vehicle, flyView, parent)
+    : SimpleMissionItem (vehicle, flyView, false /* forLoad */, parent)
     , _settingsItem     (settingsItem)
 {
     setCommand(takeoffCmd);
-    _init();
+    _init(false /* forLoad */);
 }
 
 TakeoffMissionItem::TakeoffMissionItem(const MissionItem& missionItem, Vehicle* vehicle, bool flyView, MissionSettingsItem* settingsItem, QObject* parent)
     : SimpleMissionItem (vehicle, flyView, missionItem, parent)
     , _settingsItem     (settingsItem)
 {
-    _init();
+    _init(false /* forLoad */);
     _wizardMode = false;
 }
 
@@ -47,7 +47,7 @@ TakeoffMissionItem::~TakeoffMissionItem()
 
 }
 
-void TakeoffMissionItem::_init(void)
+void TakeoffMissionItem::_init(bool forLoad)
 {
     _editorQml = QStringLiteral("qrc:/qml/SimpleItemEditor.qml");
 
@@ -69,6 +69,11 @@ void TakeoffMissionItem::_init(void)
         }
     }
 
+    if (forLoad) {
+        // Load routines will set the rest up after load
+        return;
+    }
+
     _initLaunchTakeoffAtSameLocation();
 
     if (homePosition.isValid() && coordinate().isValid()) {

src/MissionManager/TakeoffMissionItem.h

@@ -19,7 +19,7 @@ class TakeoffMissionItem : public SimpleMissionItem
     Q_OBJECT
     
 public:
-    TakeoffMissionItem(Vehicle* vehicle, bool flyView, MissionSettingsItem* settingsItem, QObject* parent);
+    TakeoffMissionItem(Vehicle* vehicle, bool flyView, MissionSettingsItem* settingsItem, bool forLoad, QObject* parent);
     TakeoffMissionItem(MAV_CMD takeoffCmd, Vehicle* vehicle, bool flyView, MissionSettingsItem* settingsItem, QObject* parent);
     TakeoffMissionItem(const MissionItem& missionItem,  Vehicle* vehicle, bool flyView, MissionSettingsItem* settingsItem, QObject* parent);
 
@@ -55,7 +55,7 @@ signals:
     void launchTakeoffAtSameLocationChanged (bool launchTakeoffAtSameLocation);
 
 private:
-    void _init(void);
+    void _init(bool forLoad);
     void _initLaunchTakeoffAtSameLocation(void);
 
     MissionSettingsItem*    _settingsItem;

src/MissionManager/TransectStyleComplexItem.cc

@@ -498,7 +498,19 @@ void TransectStyleComplexItem::_polyPathTerrainData(bool success, const QList<Te
 
 TransectStyleComplexItem::ReadyForSaveState TransectStyleComplexItem::readyForSaveState(void) const
 {
-    bool terrainReady = _followTerrain ? _transectsPathHeightInfo.count() : true;
+    bool terrainReady = false;
+    if (_followTerrain) {
+        if (_loadedMissionItems.count()) {
+            // We have loaded mission items. Everything is ready to go.
+            terrainReady = true;
+        } else {
+            // Survey is currently being designed. We aren't ready if we don't have terrain heights yet.
+            terrainReady = _transectsPathHeightInfo.count();
+        }
+    } else {
+        // Now following terrain so always ready on terrain
+        terrainReady = true;
+    }
     bool polygonNotReady = !_surveyAreaPolygon.isValid();
     return (polygonNotReady || _wizardMode) ?
                 NotReadyForSaveData :