Print a warning when no platforms are specified when generating an FMU

... and also select the default choice when no such setting exists at
all in omedit.ini.

OMEdit/OMEditGUI/MainWindow.cpp

@@ -870,11 +870,22 @@ void MainWindow::exportModelFMU(LibraryTreeItem *pLibraryTreeItem)
   QString type = OptionsDialog::instance()->getFMIPage()->getFMIExportType();
   QString FMUName = OptionsDialog::instance()->getFMIPage()->getFMUNameTextBox()->text();
   QSettings *pSettings = Utilities::getApplicationSettings();
-  QList<QString> platforms = pSettings->value("FMIExport/Platforms").toStringList();
+  QList<QString> platforms;
+  if (!pSettings->contains("FMIExport/Platforms")) {
+    QComboBox *pLinkingComboBox = OptionsDialog::instance()->getFMIPage()->getLinkingComboBox();
+    platforms.append(pLinkingComboBox->itemData(pLinkingComboBox->currentIndex()).toString());
+  } else {
+    platforms = pSettings->value("FMIExport/Platforms").toStringList();
+  }
   int index = platforms.indexOf("none");
   if (index > -1) {
     platforms.removeAt(index);
   }
+  if (platforms.empty()) {
+    MessagesWidget::instance()->addGUIMessage(MessageItem(MessageItem::Modelica, "", false, 0, 0, 0, 0,
+                                                          GUIMessages::getMessage(GUIMessages::FMU_EMPTY_PLATFORMS).arg(Helper::toolsOptionsPath),
+                                                          Helper::scriptingKind, Helper::warningLevel));
+  }
   QString fmuFileName = mpOMCProxy->buildModelFMU(pLibraryTreeItem->getNameStructure(), version, type, FMUName, platforms);
   if (!fmuFileName.isEmpty()) {
     MessagesWidget::instance()->addGUIMessage(MessageItem(MessageItem::Modelica, "", false, 0, 0, 0, 0,

OMEdit/OMEditGUI/Util/Helper.cpp

@@ -760,6 +760,8 @@ QString GUIMessages::getMessage(int type)
       return tr("A component with the name <b>%1</b> already exists. The name is changed from <b>%1</b> to <b>%2</b>.<br /><br />This is probably wrong because the component is declared as <b>inner</b>.");
     case FMU_GENERATED:
       return tr("The FMU is generated at <b>%1</b>.");
+    case FMU_EMPTY_PLATFORMS:
+      return tr("A source-only FMU will be generated because an empty list of platforms is selected. If this is not intended, check settings in <b>%1->FMI->Platforms</b>.");
     case XML_GENERATED:
       return tr("The XML is generated at <b>%1</b>.");
     case FIGARO_GENERATED:

OMEdit/OMEditGUI/Util/Helper.h

@@ -443,6 +443,7 @@ class GUIMessages : public QObject
     MAKE_REPLACEABLE_IF_PARTIAL,
     INNER_MODEL_NAME_CHANGED,
     FMU_GENERATED,
+    FMU_EMPTY_PLATFORMS,
     XML_GENERATED,
     FIGARO_GENERATED,
     ENCRYPTED_PACKAGE_GENERATED,