IconManager.h

#pragma once
#include <NDEVR/Dictionary.h>
#include <NDEVR/JSONNode.h>
#include <NDEVR/String.h>
namespace NDEVR
{
    struct IconDefinition
    {
        IconDefinition(const StringView& def)
            : icon_id(def)
            , default_draw_operation(def)
        {}

        IconDefinition(const StringView& id, const StringView& def)
            : icon_id(id)
            , default_draw_operation(def)
        {}

        IconDefinition(const JSONNode& node)
        {
            fromJSON(node);
        }

        void toJSON(JSONNode& node) const
        {
            node["icon_id"] = icon_id;
            node["default_draw_operation"] = default_draw_operation;
        }

        void fromJSON(const JSONNode& node)
        {
            icon_id = node["icon_id"].getAs<String>();
            default_draw_operation = node["default_draw_operation"].getAs<String>();
        }
        String icon_id; 
        String default_draw_operation; 
    };

    class IconManager
    {
    public:
        void toJSON(JSONNode& node) const
        {
            for (auto& def : m_icons)
            {
                def.second.toJSON(node[def.first]);
            }
        }

        void fromJSON(const JSONNode& node)
        {
            for (const JSONNode* def : node.children())
            {
                addIcon(IconDefinition(*def));
            }
        }

        void addIcon(const IconDefinition& definition)
        {
            m_icons.add(definition.icon_id, definition);
        }
    protected:
        Dictionary<String, IconDefinition> m_icons; 
    };
    #define _i(id, def) (IconDefinition(id, def))
}