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path: root/src/recent_files.cpp
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#include "recent_files.h"
#include <QFileInfo>
#include <QDir>

RecentFiles::RecentFiles(unsigned int size, bool force_empty) : size(size) {
    if (not force_empty)
        list = settings_interface.read_setting("ui/recent_files").value<QStringList>();
}

RecentFiles::~RecentFiles() {
    if (has_list_changed) {
        settings_interface.write_setting("ui/recent_files", list);
        settings_interface.commit();
    }
}

RecentFiles::QMenuPtr RecentFiles::create_menu(const QString& title, QWidget* parent) {
    if (menu) return menu;

    menu = std::make_shared<QMenu>(title, parent);
    generate_menu_actions();

    return menu;
}

void RecentFiles::generate_menu_actions() {
    menu->clear();

    if (not list.isEmpty()) {
        int i = 1;
        for (const QString& path : list) {
            QFileInfo file(path);

            // Showing the parent directory's name allows knowing from which archive the file comes from
            Action* action = new Action(QStringLiteral("&%1. %2").arg(i++).arg(
                file.dir().dirName() + QStringLiteral("/") + file.fileName()
            ));

            action->file_path = path;
            menu->addAction(action);
        }
    } else {
        Action* action = new Action(QWidget::tr("No recent files"));
        action->setStatusTip(QWidget::tr("To view recent files, open a file"));
        action->setEnabled(false);
        menu->addAction(action);
    }
}

void RecentFiles::add_file(const QString& path) {
    if (not list.contains(path)) {
        list.prepend(path);
        if (list.size() > size)
#if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
            list.resize(size);
#else
            do list.removeLast();
            while (list.size() > size);
#endif
        has_list_changed = true;
        generate_menu_actions();
    }
}

const QStringList& RecentFiles::get_files() {
    return list;
}

void RecentFiles::clear() {
    list.empty();
}

RecentFiles::Action::Action(const QString &text, QObject *parent) : QAction(text, parent) {
    connect(this, &QAction::triggered, this, [=](bool checked) {
        emit this->chosen_file(file_path);
    });
}