Refactoring generic tree model behavior

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

@@ -0,0 +1,44 @@
+#pragma once
+
+#include <memory>
+#include <vector>
+
+#include <QVariant>
+
+namespace scwx
+{
+namespace qt
+{
+namespace model
+{
+
+class TreeItem
+{
+public:
+   explicit TreeItem(const std::vector<QVariant>& data,
+                     TreeItem*                    parent = nullptr);
+   virtual ~TreeItem();
+
+   TreeItem(const TreeItem&)            = delete;
+   TreeItem& operator=(const TreeItem&) = delete;
+
+   TreeItem(TreeItem&&) noexcept;
+   TreeItem& operator=(TreeItem&&) noexcept;
+
+   void AppendChild(TreeItem* child);
+
+   const TreeItem* child(int row) const;
+   int             child_count() const;
+   int             column_count() const;
+   QVariant        data(int column) const;
+   int             row() const;
+   const TreeItem* parent_item() const;
+
+private:
+   class Impl;
+   std::unique_ptr<Impl> p;
+};
+
+} // namespace model
+} // namespace qt
+} // namespace scwx