InstrumentFormRegistry.hpp

/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * Copyright (C) 2026 Marco Craveiro <marco.craveiro@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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 */
#ifndef ORES_QT_INSTRUMENT_FORM_REGISTRY_HPP
#define ORES_QT_INSTRUMENT_FORM_REGISTRY_HPP
 
#include <functional>
#include <map>
#include <vector>
#include <QString>
#include <QWidget>
#include "ores.trading.api/domain/product_type.hpp"
 
namespace ores::qt {
 
class IInstrumentForm;
 
class InstrumentFormRegistry final {
public:
    using product_type = ores::trading::domain::product_type;
    using Factory = std::function<IInstrumentForm*(QWidget* parent)>;
 
    // --- per-family registration ---
 
    void registerForm(product_type pt, QString displayName, Factory factory);
 
    [[nodiscard]] bool contains(product_type pt) const noexcept;
    [[nodiscard]] IInstrumentForm* createForm(
        product_type pt, QWidget* parent) const;
    [[nodiscard]] QString displayName(product_type pt) const;
    [[nodiscard]] std::vector<product_type> registeredTypes() const;
 
    // --- per-trade-type-code registration ---
 
    void registerTypeForm(const QString& trade_type_code, Factory factory);
 
    [[nodiscard]] bool containsTypeForm(
        const QString& trade_type_code) const noexcept;
    [[nodiscard]] IInstrumentForm* createTypeForm(
        const QString& trade_type_code, QWidget* parent) const;
 
    [[nodiscard]] std::vector<QString> registeredTypeCodes() const;
 
private:
    struct Entry {
        QString displayName;
        Factory factory;
    };
    std::vector<product_type> order_;
    std::map<product_type, Entry> entries_;
 
    struct TypeEntry { Factory factory; };
    std::vector<QString> typeOrder_;
    std::map<QString, TypeEntry> typeEntries_;
};
 
void register_default_forms(InstrumentFormRegistry& registry);
 
}
 
#endif