[tracking] Switch setTrackingLevel() to use enum

src/modules/tracking/TrackingPage.cpp

@@ -172,34 +172,28 @@ TrackingPage::setGeneralPolicy( QString url )
 }
 
 void
-TrackingPage::setTrackingLevel( const QString& l )
+TrackingPage::setTrackingLevel( TrackingType t )
 {
-    QString level = l.toLower();
     QRadioButton* button = nullptr;
 
-    if ( level.isEmpty() || level == "none" )
+    switch( t )
     {
-        button = ui->noneRadio;
-    }
-    else if ( level == "install" )
-    {
-        button = ui->installRadio;
-    }
-    else if ( level == "machine" )
-    {
-        button = ui->machineRadio;
-    }
-    else if ( level == "user" )
-    {
-        button = ui->userRadio;
+        case TrackingType::NoTracking:
+            button = ui->noneRadio;
+            break;
+        case TrackingType::InstallTracking:
+            button = ui->installRadio;
+            break;
+        case TrackingType::MachineTracking:
+            button = ui->machineRadio;
+            break;
+        case TrackingType::UserTracking:
+            button = ui->userRadio;
+            break;
     }
 
     if ( button != nullptr )
     {
         button->setChecked( true );
     }
-    else
-    {
-        cWarning() << "unknown default tracking level" << l;
-    }
 }

src/modules/tracking/TrackingPage.h

@@ -35,7 +35,8 @@ class TrackingPage : public QWidget
 public:
     explicit TrackingPage( QWidget* parent = nullptr );
 
-    /**
+    /** @brief Set initial state for each option
+     *
      * Enables or disables the tracking-option block for the given
      * tracking option @p t, and sets the initial state of the
      * checkbox to the @p user default.
@@ -43,19 +44,20 @@ public:
      * Call this in ascending order of tracking type.
      */
     void enableTrackingOption( TrackingType t, bool enabled );
-    /**
+    /** @brief Is the given tracking type enabled?
+     *
      * Returns whether tracking type @p is selected by the user
      * (i.e. is the radio button for that level, or for a higher
      * tracking level, enabled).
      */
     bool getTrackingOption( TrackingType t );
 
-    /* URL for given level @p t */
+    ///@brief Set URL for given level @p t
     void setTrackingPolicy( TrackingType t, QString url );
-    /* URL for the global link */
+    ///@brief Set URL for the global link
     void setGeneralPolicy( QString url );
-    /* Select one of the four levels by name */
-    void setTrackingLevel( const QString& level );
+    ///@brief Select one of the four levels by name
+    void setTrackingLevel( TrackingType t );
 
 private:
     Ui::TrackingPage* ui;

src/modules/tracking/TrackingViewStep.cpp

@@ -187,7 +187,12 @@ TrackingViewStep::setConfigurationMap( const QVariantMap& configurationMap )
     setTrackingOption( configurationMap, "user", TrackingType::UserTracking );
 
     m_widget->setGeneralPolicy( CalamaresUtils::getString( configurationMap, "policy" ) );
-    m_widget->setTrackingLevel( CalamaresUtils::getString( configurationMap, "default" ) );
+    bool ok;
+    m_widget->setTrackingLevel( trackingNames().find(CalamaresUtils::getString( configurationMap, "default" ), ok ) );
+    if ( !ok )
+    {
+        cWarning() << "Default tracking level unknown:" << CalamaresUtils::getString( configurationMap, "default" );
+    }
 }
 
 const NamedEnumTable< TrackingType >&