html_derouleur.hpp

/*********************************************************************/
// webdar - a web server and interface program to libdar
// Copyright (C) 2013-2025 Denis Corbin
//
// This file is part of Webdar
//
//  Webdar 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.
//
//  Webdar 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 Webdar.  If not, see <http://www.gnu.org/licenses/>
//
//----
//  to contact the author: dar.linux@free.fr
/*********************************************************************/
 
#ifndef HTML_DEROULEUR_HPP
#define HTML_DEROULEUR_HPP
 
    // C system header files
#include "my_config.h"
extern "C"
{
 
}
 
    // C++ system header files
#include <string>
#include <list>
#include <map>
 
    // webdar headers
#include "body_builder.hpp"
#include "html_aiguille.hpp"
#include "actor.hpp"
#include "html_button.hpp"
 
 
 
 
class html_derouleur : public body_builder,
               public actor
{
public:
    html_derouleur() { adopt(&switcher); clear(); };
    html_derouleur(const html_derouleur & ref) = delete;
    html_derouleur(html_derouleur && ref) noexcept = delete;
    html_derouleur & operator = (const html_derouleur & ref) = delete;
    html_derouleur & operator = (html_derouleur && ref) noexcept = delete;
    ~html_derouleur() = default;
 
    void clear();
 
    void add_section(const std::string & name, const std::string & title);
 
    void adopt_in_section(const std::string & section_name, body_builder* obj);
 
    void adopt_in_section(signed int num, body_builder* obj);
 
    void clear_section(const std::string & section_name) { switcher.clear_section(section_name); };
 
    void clear_section(signed int num) { switcher.clear_section(num); };
 
    void remove_section(const std::string & section_name);
 
    void set_active_section(const std::string & name) { switcher.set_active_section(name); };
 
    void set_active_section(signed int num) { switcher.set_active_section(num); };
 
    unsigned int size() const { return switcher.size(); };
 
 
    void section_set_visible(const std::string & name, bool visible);
 
    void url_clear_css_classes() { css_url.clear_css_classes(); };
    void url_add_css_class(const std::string & name);
    void url_add_css_class(const css_class_group & name);
 
    // from actor
    virtual void on_event(const std::string & event_name) override;
 
protected:
 
    // inherited from body_builder
    virtual void css_classes_have_changed() override;
 
    // inherited from body_builder
    virtual std::string inherited_get_body_part(const chemin & path,
                        const request & req) override;
 
    // inherited from body_builder
    virtual void new_css_library_available() override;
 
private:
    static const std::string shrink_event;
 
    struct section
    {
    html_button* title;
    html_button* shrinker;
    bool visible;    
 
        // by default shrinker is hidden and title is
        // visible (when the section is not expanded)
        // clicking on title expands the section
        // and leads the shrinker button to show while
        // title get invisible, and so on...
 
    section() { title = nullptr; shrinker = nullptr; visible = true; };
    section(const section & arg) = delete;
    section(section && arg) = default;
    section & operator = (const section & arg) = delete;
    section & operator = (section && arg) = default;
    ~section() { if(title != nullptr) delete title; if(shrinker != nullptr) delete shrinker; };
    };
 
    css_class_group css_url;                    
    std::map<std::string, section> sections;    
 
    html_aiguille switcher;                     
 
 
    std::string generate_html(const chemin & path,
                  const request & req);
 
};
 
#endif