Add favorite selection to radar toolbox

scwx-qt/source/scwx/qt/model/radar_site_model.cpp

@@ -224,7 +224,13 @@ void RadarSiteModel::ToggleFavorite(int row)
 {
    if (row >= 0 && row < p->favorites_.size())
    {
-      p->favorites_.at(row) = !p->favorites_.at(row);
+      bool isFavorite       = !p->favorites_.at(row);
+      p->favorites_.at(row) = isFavorite;
+
+      QModelIndex index = createIndex(row, static_cast<int>(Column::Favorite));
+      Q_EMIT dataChanged(index, index);
+
+      Q_EMIT FavoriteToggled(p->radarSites_.at(row)->id(), isFavorite);
    }
 }
 
@@ -248,6 +254,25 @@ RadarSiteModelImpl::RadarSiteModelImpl() :
    }
 }
 
+std::shared_ptr<RadarSiteModel> RadarSiteModel::Instance()
+{
+   static std::weak_ptr<RadarSiteModel> radarSiteModelReference_ {};
+   static std::mutex                    instanceMutex_ {};
+
+   std::unique_lock lock(instanceMutex_);
+
+   std::shared_ptr<RadarSiteModel> radarSiteModel =
+      radarSiteModelReference_.lock();
+
+   if (radarSiteModel == nullptr)
+   {
+      radarSiteModel           = std::make_shared<RadarSiteModel>();
+      radarSiteModelReference_ = radarSiteModel;
+   }
+
+   return radarSiteModel;
+}
+
 } // namespace model
 } // namespace qt
 } // namespace scwx

scwx-qt/source/scwx/qt/model/radar_site_model.hpp

@@ -15,6 +15,8 @@ class RadarSiteModelImpl;
 
 class RadarSiteModel : public QAbstractTableModel
 {
+   Q_OBJECT
+
 public:
    enum class Column : int
    {
@@ -44,6 +46,11 @@ public:
    void HandleMapUpdate(double latitude, double longitude);
    void ToggleFavorite(int row);
 
+   static std::shared_ptr<RadarSiteModel> Instance();
+
+signals:
+   void FavoriteToggled(const std::string& siteId, bool isFavorite);
+
 private:
    std::unique_ptr<RadarSiteModelImpl> p;