Finish layer validation, including strong typing for different layer categories

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

@@ -44,8 +44,12 @@ static const std::string kDescriptionName_ {"description"};
 static const std::string kMovableName_ {"movable"};
 static const std::string kDisplayedName_ {"displayed"};
 
-typedef std::
+typedef std::variant<std::monostate,
-   variant<std::monostate, types::Layer, awips::Phenomenon, std::string>
+                     types::DataLayer,
+                     types::InformationLayer,
+                     types::MapLayer,
+                     awips::Phenomenon,
+                     std::string>
    LayerDescription;
 
 struct LayerInfo
@@ -59,23 +63,24 @@ struct LayerInfo
 typedef boost::container::stable_vector<LayerInfo> LayerVector;
 
 static const std::vector<LayerInfo> kDefaultLayers_ {
-   {types::LayerType::Information, types::Layer::MapOverlay, false},
+   {types::LayerType::Information, types::InformationLayer::MapOverlay, false},
-   {types::LayerType::Information, types::Layer::ColorTable, false},
+   {types::LayerType::Information, types::InformationLayer::ColorTable, false},
+   {types::LayerType::Data, types::DataLayer::RadarRange, true},
    {types::LayerType::Alert, awips::Phenomenon::Tornado, true},
    {types::LayerType::Alert, awips::Phenomenon::SnowSquall, true},
    {types::LayerType::Alert, awips::Phenomenon::SevereThunderstorm, true},
    {types::LayerType::Alert, awips::Phenomenon::FlashFlood, true},
    {types::LayerType::Alert, awips::Phenomenon::Marine, true},
-   {types::LayerType::Map, types::Layer::MapSymbology, false},
+   {types::LayerType::Map, types::MapLayer::MapSymbology, false},
    {types::LayerType::Radar, std::monostate {}, true},
-   {types::LayerType::Map, types::Layer::MapUnderlay, false},
+   {types::LayerType::Map, types::MapLayer::MapUnderlay, false},
 };
 
 static const std::vector<LayerInfo> kImmovableLayers_ {
-   {types::LayerType::Information, types::Layer::MapOverlay, false},
+   {types::LayerType::Information, types::InformationLayer::MapOverlay, false},
-   {types::LayerType::Information, types::Layer::ColorTable, false},
+   {types::LayerType::Information, types::InformationLayer::ColorTable, false},
-   {types::LayerType::Map, types::Layer::MapSymbology, false},
+   {types::LayerType::Map, types::MapLayer::MapSymbology, false},
-   {types::LayerType::Map, types::Layer::MapUnderlay, false},
+   {types::LayerType::Map, types::MapLayer::MapUnderlay, false},
 };
 
 static const std::array<awips::Phenomenon, 5> kAlertPhenomena_ {
@@ -206,8 +211,40 @@ void LayerModel::Impl::ReadLayerSettings()
 
 void LayerModel::Impl::ValidateLayerSettings(LayerVector& layers)
 {
+   // Validate layer properties
+   for (auto it = layers.begin(); it != layers.end();)
+   {
+      // If the layer is invalid, remove it
+      if (it->type_ == types::LayerType::Unknown ||
+          (std::holds_alternative<types::DataLayer>(it->description_) &&
+           std::get<types::DataLayer>(it->description_) ==
+              types::DataLayer::Unknown) ||
+          (std::holds_alternative<types::InformationLayer>(it->description_) &&
+           std::get<types::InformationLayer>(it->description_) ==
+              types::InformationLayer::Unknown) ||
+          (std::holds_alternative<types::MapLayer>(it->description_) &&
+           std::get<types::MapLayer>(it->description_) ==
+              types::MapLayer::Unknown) ||
+          (std::holds_alternative<awips::Phenomenon>(it->description_) &&
+           std::get<awips::Phenomenon>(it->description_) ==
+              awips::Phenomenon::Unknown))
+      {
+         // Erase the current layer and continue
+         it = layers.erase(it);
+         continue;
+      }
+
+      // Ensure layers are appropriately marked movable
+      it->movable_ = (it->type_ != types::LayerType::Information &&
+                      it->type_ != types::LayerType::Map);
+
+      // Continue to the next layer
+      ++it;
+   }
+
    // Validate immovable layers
    std::vector<LayerVector::iterator> immovableIterators {};
+   LayerVector::iterator              colorTableIterator {};
    LayerVector::iterator              mapSymbologyIterator {};
    LayerVector::iterator              mapUnderlayIterator {};
    for (auto& immovableLayer : kImmovableLayers_)
@@ -253,15 +290,27 @@ void LayerModel::Impl::ValidateLayerSettings(LayerVector& layers)
       }
 
       // Store positional iterators
-      if (it->type_ == types::LayerType::Map)
+      if (it->type_ == types::LayerType::Information)
       {
-         switch (std::get<types::Layer>(it->description_))
+         switch (std::get<types::InformationLayer>(it->description_))
          {
-         case types::Layer::MapSymbology:
+         case types::InformationLayer::ColorTable:
+            colorTableIterator = it;
+            break;
+
+         default:
+            break;
+         }
+      }
+      else if (it->type_ == types::LayerType::Map)
+      {
+         switch (std::get<types::MapLayer>(it->description_))
+         {
+         case types::MapLayer::MapSymbology:
             mapSymbologyIterator = it;
             break;
 
-         case types::Layer::MapUnderlay:
+         case types::MapLayer::MapUnderlay:
             mapUnderlayIterator = it;
             break;
 
@@ -274,7 +323,36 @@ void LayerModel::Impl::ValidateLayerSettings(LayerVector& layers)
       immovableIterators.push_back(it);
    }
 
+   // Validate data layers
+   std::vector<LayerVector::iterator> dataIterators {};
+   for (const auto& dataLayer : types::DataLayerIterator())
+   {
+      // Find the data layer
+      auto it = std::find_if(layers.begin(),
+                             layers.end(),
+                             [&dataLayer](const LayerInfo& layer)
+                             {
+                                return layer.type_ == types::LayerType::Data &&
+                                       std::get<types::DataLayer>(
+                                          layer.description_) == dataLayer;
+                             });
+
+      if (it == layers.end())
+      {
+         // If this is the first data layer, insert after the color table layer,
+         // otherwise, insert after the previous data layer
+         LayerVector::iterator insertPosition = dataIterators.empty() ?
+                                                   colorTableIterator + 1 :
+                                                   dataIterators.back() + 1;
+         it =
+            layers.insert(insertPosition, {types::LayerType::Data, dataLayer});
+      }
+
+      dataIterators.push_back(it);
+   }
+
    // Validate alert layers
+   std::vector<LayerVector::iterator> alertIterators {};
    for (auto& phenomenon : kAlertPhenomena_)
    {
       // Find the alert layer
@@ -289,16 +367,24 @@ void LayerModel::Impl::ValidateLayerSettings(LayerVector& layers)
 
       if (it == layers.end())
       {
-         layers.insert(mapSymbologyIterator,
+         // Insert before the map symbology layer
+         it = layers.insert(mapSymbologyIterator,
                             {types::LayerType::Alert, phenomenon});
       }
+
+      alertIterators.push_back(it);
    }
 
-   // Ensure layers are appropriately marked movable
+   // Validate the radar layer
-   for (auto& layer : layers)
+   auto it = std::find_if(layers.begin(),
+                          layers.end(),
+                          [](const LayerInfo& layer)
+                          { return layer.type_ == types::LayerType::Radar; });
+   if (it == layers.end())
    {
-      layer.movable_ = (layer.type_ != types::LayerType::Information &&
+      // Insert before the map underlay layer
-                        layer.type_ != types::LayerType::Map);
+      it = layers.insert(mapUnderlayIterator,
+                         {types::LayerType::Radar, std::monostate {}});
    }
 }
 
@@ -470,10 +556,23 @@ QVariant LayerModel::data(const QModelIndex& index, int role) const
                return QString::fromStdString(
                   std::get<std::string>(layer.description_));
             }
-            else if (std::holds_alternative<types::Layer>(layer.description_))
+            else if (std::holds_alternative<types::DataLayer>(
+                        layer.description_))
             {
-               return QString::fromStdString(types::GetLayerName(
+               return QString::fromStdString(types::GetDataLayerName(
-                  std::get<types::Layer>(layer.description_)));
+                  std::get<types::DataLayer>(layer.description_)));
+            }
+            else if (std::holds_alternative<types::InformationLayer>(
+                        layer.description_))
+            {
+               return QString::fromStdString(types::GetInformationLayerName(
+                  std::get<types::InformationLayer>(layer.description_)));
+            }
+            else if (std::holds_alternative<types::MapLayer>(
+                        layer.description_))
+            {
+               return QString::fromStdString(types::GetMapLayerName(
+                  std::get<types::MapLayer>(layer.description_)));
             }
             else if (std::holds_alternative<awips::Phenomenon>(
                         layer.description_))
@@ -873,9 +972,10 @@ void LayerModel::Impl::AddPlacefile(const std::string& name)
       layers_.end(),
       [](const LayerInfo& layerInfo)
       {
-         return std::holds_alternative<types::Layer>(layerInfo.description_) &&
+         return std::holds_alternative<types::InformationLayer>(
-                std::get<types::Layer>(layerInfo.description_) ==
+                   layerInfo.description_) &&
-                   types::Layer::ColorTable;
+                std::get<types::InformationLayer>(layerInfo.description_) ==
+                   types::InformationLayer::ColorTable;
       });
    if (insertPosition != layers_.end())
    {
@@ -899,10 +999,21 @@ void tag_invoke(boost::json::value_from_tag,
       description = awips::GetPhenomenonCode(
          std::get<awips::Phenomenon>(record.description_));
    }
-   else if (std::holds_alternative<types::Layer>(record.description_))
+   else if (std::holds_alternative<types::DataLayer>(record.description_))
+   {
+      description = types::GetDataLayerName(
+         std::get<types::DataLayer>(record.description_));
+   }
+   else if (std::holds_alternative<types::InformationLayer>(
+               record.description_))
+   {
+      description = types::GetInformationLayerName(
+         std::get<types::InformationLayer>(record.description_));
+   }
+   else if (std::holds_alternative<types::MapLayer>(record.description_))
    {
       description =
-         types::GetLayerName(std::get<types::Layer>(record.description_));
+         types::GetMapLayerName(std::get<types::MapLayer>(record.description_));
    }
    else if (std::holds_alternative<std::string>(record.description_))
    {
@@ -940,10 +1051,17 @@ LayerInfo tag_invoke(boost::json::value_to_tag<LayerInfo>,
 
    LayerDescription description {};
 
-   if (layerType == types::LayerType::Map ||
+   if (layerType == types::LayerType::Map)
-       layerType == types::LayerType::Information)
    {
-      description = types::GetLayer(descriptionName);
+      description = types::GetMapLayer(descriptionName);
+   }
+   else if (layerType == types::LayerType::Information)
+   {
+      description = types::GetInformationLayer(descriptionName);
+   }
+   else if (layerType == types::LayerType::Data)
+   {
+      description = types::GetDataLayer(descriptionName);
    }
    else if (layerType == types::LayerType::Radar)
    {

scwx-qt/source/scwx/qt/types/layer_types.cpp

@@ -17,14 +17,21 @@ static const std::unordered_map<LayerType, std::string> layerTypeName_ {
    {LayerType::Alert, "Alert"},
    {LayerType::Placefile, "Placefile"},
    {LayerType::Information, "Information"},
+   {LayerType::Data, "Data"},
    {LayerType::Unknown, "?"}};
 
-static const std::unordered_map<Layer, std::string> layerName_ {
+static const std::unordered_map<DataLayer, std::string> dataLayerName_ {
-   {Layer::MapOverlay, "Map Overlay"},
+   {DataLayer::RadarRange, "Radar Range"}, {DataLayer::Unknown, "?"}};
-   {Layer::ColorTable, "Color Table"},
+
-   {Layer::MapSymbology, "Map Symbology"},
+static const std::unordered_map<InformationLayer, std::string>
-   {Layer::MapUnderlay, "Map Underlay"},
+   informationLayerName_ {{InformationLayer::MapOverlay, "Map Overlay"},
-   {Layer::Unknown, "?"}};
+                          {InformationLayer::ColorTable, "Color Table"},
+                          {InformationLayer::Unknown, "?"}};
+
+static const std::unordered_map<MapLayer, std::string> mapLayerName_ {
+   {MapLayer::MapSymbology, "Map Symbology"},
+   {MapLayer::MapUnderlay, "Map Underlay"},
+   {MapLayer::Unknown, "?"}};
 
 LayerType GetLayerType(const std::string& name)
 {
@@ -49,27 +56,73 @@ std::string GetLayerTypeName(LayerType layerType)
    return layerTypeName_.at(layerType);
 }
 
-Layer GetLayer(const std::string& name)
+DataLayer GetDataLayer(const std::string& name)
 {
    auto result =
-      std::find_if(layerName_.cbegin(),
+      std::find_if(dataLayerName_.cbegin(),
-                   layerName_.cend(),
+                   dataLayerName_.cend(),
-                   [&](const std::pair<Layer, std::string>& pair) -> bool
+                   [&](const std::pair<DataLayer, std::string>& pair) -> bool
                    { return boost::iequals(pair.second, name); });
 
-   if (result != layerName_.cend())
+   if (result != dataLayerName_.cend())
    {
       return result->first;
    }
    else
    {
-      return Layer::Unknown;
+      return DataLayer::Unknown;
    }
 }
 
-std::string GetLayerName(Layer layer)
+std::string GetDataLayerName(DataLayer layer)
 {
-   return layerName_.at(layer);
+   return dataLayerName_.at(layer);
+}
+
+InformationLayer GetInformationLayer(const std::string& name)
+{
+   auto result = std::find_if(
+      informationLayerName_.cbegin(),
+      informationLayerName_.cend(),
+      [&](const std::pair<InformationLayer, std::string>& pair) -> bool
+      { return boost::iequals(pair.second, name); });
+
+   if (result != informationLayerName_.cend())
+   {
+      return result->first;
+   }
+   else
+   {
+      return InformationLayer::Unknown;
+   }
+}
+
+std::string GetInformationLayerName(InformationLayer layer)
+{
+   return informationLayerName_.at(layer);
+}
+
+MapLayer GetMapLayer(const std::string& name)
+{
+   auto result =
+      std::find_if(mapLayerName_.cbegin(),
+                   mapLayerName_.cend(),
+                   [&](const std::pair<MapLayer, std::string>& pair) -> bool
+                   { return boost::iequals(pair.second, name); });
+
+   if (result != mapLayerName_.cend())
+   {
+      return result->first;
+   }
+   else
+   {
+      return MapLayer::Unknown;
+   }
+}
+
+std::string GetMapLayerName(MapLayer layer)
+{
+   return mapLayerName_.at(layer);
 }
 
 } // namespace types

scwx-qt/source/scwx/qt/types/layer_types.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <scwx/util/iterator.hpp>
+
 #include <string>
 
 namespace scwx
@@ -16,13 +18,28 @@ enum class LayerType
    Alert,
    Placefile,
    Information,
+   Data,
    Unknown
 };
 
-enum class Layer
+enum class DataLayer
+{
+   RadarRange,
+   Unknown
+};
+typedef scwx::util::
+   Iterator<DataLayer, DataLayer::RadarRange, DataLayer::RadarRange>
+      DataLayerIterator;
+
+enum class InformationLayer
 {
    MapOverlay,
    ColorTable,
+   Unknown
+};
+
+enum class MapLayer
+{
    MapSymbology,
    MapUnderlay,
    Unknown
@@ -31,8 +48,14 @@ enum class Layer
 LayerType   GetLayerType(const std::string& name);
 std::string GetLayerTypeName(LayerType layerType);
 
-Layer       GetLayer(const std::string& name);
+DataLayer   GetDataLayer(const std::string& name);
-std::string GetLayerName(Layer layer);
+std::string GetDataLayerName(DataLayer layer);
+
+InformationLayer GetInformationLayer(const std::string& name);
+std::string      GetInformationLayerName(InformationLayer layer);
+
+MapLayer    GetMapLayer(const std::string& name);
+std::string GetMapLayerName(MapLayer layer);
 
 } // namespace types
 } // namespace qt