ARadioGroup.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2024 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
//
// Created by alex2 on 21.09.2020.
//
 
#pragma once
 
#include "AViewContainer.h"
#include "ARadioButton.h"
#include "AUI/Model/AListModel.h"
#include <AUI/Layout/AHorizontalLayout.h>
#include <AUI/Layout/AVerticalLayout.h>
#include <AUI/Model/IListModel.h>

class API_AUI_VIEWS ARadioGroup: public AViewContainer {
private:
    _<IListModel<AString>> mModel;
    _<ARadioButton::Group> mGroup;
 
public:
    template<typename... RadioButtons>
    explicit ARadioGroup(RadioButtons&&... radioButtons): ARadioGroup() {
        setLayout(std::make_unique<AVerticalLayout>());
        setViews({ std::forward<RadioButtons>(radioButtons)... });
    }
    ARadioGroup();
    ~ARadioGroup() override;

    auto selectionId() const {
        return APropertyDef {
            this,
            &ARadioGroup::getSelectedId,
            &ARadioGroup::setSelectedId,
            selectionChanged,
        };
    }
 
    void setViews(AVector<_<AView>> views) {
        for (const _<AView>& v : views) {
            if (auto rb = _cast<ARadioButton>(v)) {
                mGroup->addRadioButton(rb);
                addView(v);
            }
        }
    }
 
    void setModel(const _<IListModel<AString>>& model);
 
    [[nodiscard]] bool isSelected() const {
        return mGroup->isSelected();
    }
    [[nodiscard]] int getSelectedId() const {
        return mGroup->getSelectedId();
    }
    void setSelectedId(int id) const;
 
signals:
    emits<int> selectionChanged;
};
 
 
namespace declarative {
    struct RadioGroup: aui::ui_building::view_container_layout<AVerticalLayout, ARadioGroup> {
        using aui::ui_building::view_container_layout<AVerticalLayout, ARadioGroup>::layouted_container_factory;
        struct Horizontal: aui::ui_building::view_container_layout<AHorizontalLayout, ARadioGroup> {
            using aui::ui_building::view_container_layout<AHorizontalLayout, ARadioGroup>::layouted_container_factory;
        };
    };
}