Radar Product Model Item class

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

@@ -11,6 +11,27 @@ namespace model
 static const std::string logPrefix_ = "scwx::qt::model::radar_product_model";
 static const auto        logger_    = scwx::util::Logger::Create(logPrefix_);
 
+class RadarProductModelItem
+{
+public:
+   explicit RadarProductModelItem(RadarProductModelItem* parent = nullptr);
+   ~RadarProductModelItem();
+
+   void AppendChild(RadarProductModelItem* child);
+
+   RadarProductModelItem* child(int row);
+   int                    child_count() const;
+   int                    column_count() const;
+   QVariant               data(int column) const;
+   int                    row() const;
+   RadarProductModelItem* parent_item();
+
+private:
+   std::vector<RadarProductModelItem*> childItems_;
+   std::vector<QVariant>               itemData_;
+   RadarProductModelItem*              parentItem_;
+};
+
 class RadarProductModelImpl
 {
 public:
@@ -40,6 +61,75 @@ QVariant RadarProductModel::data(const QModelIndex& /*index*/,
    return QVariant();
 }
 
+RadarProductModelItem::RadarProductModelItem(RadarProductModelItem* parent) :
+    childItems_ {}, itemData_ {}, parentItem_ {parent}
+{
+}
+
+RadarProductModelItem::~RadarProductModelItem()
+{
+   qDeleteAll(childItems_);
+}
+
+void RadarProductModelItem::AppendChild(RadarProductModelItem* item)
+{
+   childItems_.push_back(item);
+}
+
+RadarProductModelItem* RadarProductModelItem::child(int row)
+{
+   RadarProductModelItem* item = nullptr;
+
+   if (0 <= row && row < childItems_.size())
+   {
+      item = childItems_[row];
+   }
+
+   return item;
+}
+
+int RadarProductModelItem::child_count() const
+{
+   return static_cast<int>(childItems_.size());
+}
+
+int RadarProductModelItem::column_count() const
+{
+   return static_cast<int>(itemData_.size());
+}
+
+QVariant RadarProductModelItem::data(int column) const
+{
+   if (0 <= column && column < itemData_.size())
+   {
+      return itemData_[column];
+   }
+   else
+   {
+      return QVariant();
+   }
+}
+
+int RadarProductModelItem::row() const
+{
+   int row = 0;
+
+   if (parentItem_ != nullptr)
+   {
+      const auto& childItems = parentItem_->childItems_;
+      row =
+         std::distance(childItems.cbegin(),
+                       std::find(childItems.cbegin(), childItems.cend(), this));
+   }
+
+   return row;
+}
+
+RadarProductModelItem* RadarProductModelItem::parent_item()
+{
+   return parentItem_;
+}
+
 } // namespace model
 } // namespace qt
 } // namespace scwx