ARadioButton.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 "ALabel.h"
#include "AViewContainer.h"
#include <AUI/Common/AMap.h>
#include <AUI/ASS/Selector/Selected.h>
 
 
class ARadioButtonInner: public AView
{
public:
    ARadioButtonInner() = default;
    virtual ~ARadioButtonInner() = default;
 
    void update();
};
 

class API_AUI_VIEWS ARadioButton : public AViewContainerBase, public ass::ISelectable {
public:
    ARadioButton();
    ARadioButton(const AString& text);
 
    virtual ~ARadioButton();
 
    void setText(const AString& text);
 
 
    [[nodiscard]] bool isChecked() const {
        return mChecked;
    }
 
    void setChecked(const bool checked) {
        mChecked = checked;
        emit customCssPropertyChanged();
        emit ARadioButton::mCheckedChanged(checked);
    }
 
    [[nodiscard]]
    auto checked() const {
        return APropertyDef {
            this,
            &ARadioButton::mChecked,
            &ARadioButton::setChecked,
            mCheckedChanged,
        };
    }
 
    void onPointerReleased(const APointerReleasedEvent& event) override;
 
    class API_AUI_VIEWS Group: public AObject {
    private:
        AMap<int, _<ARadioButton>> mButtons;
        _weak<ARadioButton> mSelectedRadio;
        int mSelectedId = -1;
 
    public:
        Group() = default;
        ~Group() override = default;
 
        _<ARadioButton> addRadioButton(const _<ARadioButton>& radio, int id = -1);
 
        [[nodiscard]] _<ARadioButton> getSelectedRadio() const;
        [[nodiscard]] int getSelectedId() const;
 
        void setSelectedId(int id);
 
        [[nodiscard]] bool isSelected() const {
            return mSelectedRadio.lock() != nullptr;
        }
 
        void uncheckAll() {
            for (auto& b : mButtons) {
                b.second->setChecked(false);
            }
            mSelectedId = -1;
        }
 
    signals:
        emits<int> selectionChanged;
    };
 
protected:
    bool selectableIsSelectedImpl() override;
 
private:
    _<ALabel> mText;
    bool mChecked = false;
    emits<bool> mCheckedChanged;
};
 
namespace declarative {
    using RadioButton = aui::ui_building::view<ARadioButton>;
}