edit_pbl.cpp

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/*
    Copyright (C) 2023 - 2025
    Part of the Battle for Wesnoth Project https://www.wesnoth.org/
 
    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 2 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.
 
    See the COPYING file for more details.
*/
 
#define GETTEXT_DOMAIN "wesnoth-lib"
 
#include "gui/dialogs/editor/edit_pbl.hpp"
 
#include "addon/validation.hpp"
#include "editor/editor_common.hpp"
#include "filesystem.hpp"
#include "gettext.hpp"
#include "gui/dialogs/editor/edit_pbl_translation.hpp"
#include "gui/dialogs/file_dialog.hpp"
#include "gui/dialogs/message.hpp"
#include "gui/widgets/button.hpp"
#include "gui/widgets/drawing.hpp"
#include "gui/widgets/label.hpp"
#include "gui/widgets/listbox.hpp"
#include "gui/widgets/menu_button.hpp"
#include "gui/widgets/multimenu_button.hpp"
#include "gui/widgets/text_box.hpp"
#include "gui/widgets/scroll_text.hpp"
#include "gui/widgets/toggle_button.hpp"
#include "serialization/binary_or_text.hpp"
#include "serialization/parser.hpp"
#include "serialization/preprocessor.hpp"
#include "serialization/schema_validator.hpp"
 
 
namespace gui2::dialogs
{
 
REGISTER_DIALOG(editor_edit_pbl)
 
const std::array type_values = {
    "",
    "core",
    "campaign",
    "campaign_sp_mp",
    "campaign_mp",
    "scenario",
    "scenario_mp",
    "faction",
    "era",
    "map_pack",
    "mod_mp",
    "media",
    "theme",
    "other",
};
 
const std::array tag_values = {
    "cooperative",
    "cosmetic",
    "difficulty",
    "rng",
    "survival",
    "terraforming",
};
 
editor_edit_pbl::editor_edit_pbl(const std::string& pbl, const std::string& current_addon)
    : modal_dialog(window_id())
    , pbl_(pbl)
    , current_addon_(current_addon)
    , dirs_()
{
    connect_signal_mouse_left_click(
        find_widget<toggle_button>("forum_auth"), std::bind(&editor_edit_pbl::toggle_auth, this));
    connect_signal_mouse_left_click(find_widget<button>("translations_add"),
        std::bind(&editor_edit_pbl::add_translation, this));
    connect_signal_mouse_left_click(find_widget<button>("translations_delete"),
        std::bind(&editor_edit_pbl::delete_translation, this));
    connect_signal_mouse_left_click(
        find_widget<button>("validate"), std::bind(&editor_edit_pbl::validate, this));
    connect_signal_mouse_left_click(
        find_widget<button>("select_icon"), std::bind(&editor_edit_pbl::select_icon_file, this));
    connect_signal_notify_modified(
        find_widget<text_box>("icon"), std::bind(&editor_edit_pbl::update_icon_preview, this));
    connect_signal_notify_modified(find_widget<text_box>("forum_thread"),
        std::bind(&editor_edit_pbl::update_url_preview, this));
    label& url = find_widget<label>("forum_url");
    url.set_link_aware(true);
    url.set_use_markup(true);
    // not setting this to some value causes the modified signal to not update the label text
    url.set_label("https://r.wesnoth.org/t");
}
 
void editor_edit_pbl::pre_show()
{
    config pbl;
    if(filesystem::file_exists(pbl_)) {
        try {
            pbl = io::read(*preprocess_file(pbl_));
        } catch(const config::error& e) {
            ERR_ED << "Caught a config error while parsing file " << pbl_ << "\n" << e.message;
        }
    }
 
    text_box* name = find_widget<text_box>("name", false, true);
    name->set_value(pbl["title"]);
    keyboard_capture(name);
 
    find_widget<scroll_text>("description").set_value(pbl["description"]);
    find_widget<text_box>("icon").set_value(pbl["icon"]);
    if(!pbl["icon"].empty()) {
        drawing& img = find_widget<drawing>("preview");
        img.set_label(pbl["icon"]);
    }
    find_widget<text_box>("author").set_value(pbl["author"]);
    find_widget<text_box>("version").set_value(pbl["version"]);
 
    multimenu_button& dependencies = find_widget<multimenu_button>("dependencies");
    std::vector<config> addons_list;
    filesystem::get_files_in_dir(filesystem::get_addons_dir(), nullptr, &dirs_, filesystem::name_mode::FILE_NAME_ONLY);
    if(dirs_.size() > 0 && std::find(dirs_.begin(), dirs_.end(), current_addon_) != dirs_.end()) {
        utils::erase(dirs_, current_addon_);
    }
 
    for(const std::string& dir : dirs_) {
        addons_list.emplace_back("label", dir, "checkbox", false);
    }
    dependencies.set_values(addons_list);
 
    std::vector<std::string> existing_dependencies = utils::split(pbl["dependencies"].str(), ',');
    for(unsigned i = 0; i < dirs_.size(); i++) {
        if(std::find(existing_dependencies.begin(), existing_dependencies.end(), dirs_[i]) != existing_dependencies.end()) {
            dependencies.select_option(i);
        }
    }
 
    if(pbl["forum_auth"].to_bool()) {
        find_widget<toggle_button>("forum_auth").set_value(true);
        find_widget<text_box>("primary_authors").set_value(pbl["primary_authors"]);
        find_widget<text_box>("secondary_authors").set_value(pbl["secondary_authors"]);
        find_widget<text_box>("email").set_visible(gui2::widget::visibility::invisible);
        find_widget<label>("email_label").set_visible(gui2::widget::visibility::invisible);
        find_widget<text_box>("password").set_visible(gui2::widget::visibility::invisible);
        find_widget<label>("password_label").set_visible(gui2::widget::visibility::invisible);
        find_widget<text_box>("primary_authors").set_visible(gui2::widget::visibility::visible);
        find_widget<label>("primary_authors_label").set_visible(gui2::widget::visibility::visible);
        find_widget<text_box>("secondary_authors").set_visible(gui2::widget::visibility::visible);
        find_widget<label>("secondary_authors_label").set_visible(gui2::widget::visibility::visible);
    } else {
        find_widget<text_box>("email").set_value(pbl["email"]);
        find_widget<text_box>("password").set_value(pbl["passphrase"]);
        find_widget<text_box>("primary_authors").set_visible(gui2::widget::visibility::invisible);
        find_widget<label>("primary_authors_label").set_visible(gui2::widget::visibility::invisible);
        find_widget<text_box>("secondary_authors").set_visible(gui2::widget::visibility::invisible);
        find_widget<label>("secondary_authors_label").set_visible(gui2::widget::visibility::invisible);
    }
 
    if(pbl.has_child("feedback")) {
        find_widget<text_box>("forum_thread").set_value(pbl.mandatory_child("feedback")["topic_id"]);
    }
 
    unsigned selected = 0;
    for(unsigned i = 0; i < type_values.size(); i++) {
        if(type_values[i] == pbl["type"]) {
            selected = i;
            break;
        }
    }
 
    menu_button& types = find_widget<menu_button>("type");
    std::vector<config> type_list;
    type_list.emplace_back("label", "");
    type_list.emplace_back("label", _("Core"));
    type_list.emplace_back("label", _("Campaign"));
    type_list.emplace_back("label", _("Hybrid Campaign"));
    type_list.emplace_back("label", _("Multiplayer Campaign"));
    type_list.emplace_back("label", _("Scenario"));
    type_list.emplace_back("label", _("Multiplayer Scenario"));
    type_list.emplace_back("label", _("Faction"));
    type_list.emplace_back("label", _("Era"));
    type_list.emplace_back("label", _("Map Pack"));
    type_list.emplace_back("label", _("Modification"));
    type_list.emplace_back("label", _("Media"));
    type_list.emplace_back("label", _("Theme"));
    type_list.emplace_back("label", _("Other"));
    types.set_values(type_list);
    types.set_selected(selected);
 
    multimenu_button& tags = find_widget<multimenu_button>("tags");
    std::vector<config> tags_list;
    tags_list.emplace_back("label", _("Cooperative"), "checkbox", false);
    tags_list.emplace_back("label", _("Cosmetic"), "checkbox", false);
    tags_list.emplace_back("label", _("Difficulty"), "checkbox", false);
    tags_list.emplace_back("label", _("RNG"), "checkbox", false);
    tags_list.emplace_back("label", _("Survival"), "checkbox", false);
    tags_list.emplace_back("label", _("Terraforming"), "checkbox", false);
    tags.set_values(tags_list);
 
    std::vector<std::string> chosen_tags = utils::split(pbl["tags"].str(), ',');
    for(unsigned i = 0; i < tag_values.size(); i++) {
        if(std::find(chosen_tags.begin(), chosen_tags.end(), tag_values[i]) != chosen_tags.end()) {
            tags.select_option(i);
        }
    }
 
    listbox& translations = find_widget<listbox>("translations");
    button& translations_delete = find_widget<button>("translations_delete");
 
    for(const config& child : pbl.child_range("translation")) {
        translations.add_row(widget_data{
            { "translations_language", {
                { "label", child["language"].str() }
            }},
            { "translations_title", {
                { "label", child["title"].str() }
            }},
            { "translations_description", {
                { "label", child["description"].str() }
            }},
        });
    }
 
    if(translations.get_item_count() == 0) {
        translations_delete.set_active(false);
    }
}
 
void editor_edit_pbl::post_show()
{
    if(get_retval() != retval::OK) {
        return;
    }
 
    std::stringstream wml_stream;
    config_writer out(wml_stream, false);
    out.write(create_cfg());
    filesystem::write_file(pbl_, wml_stream.str());
}
 
config editor_edit_pbl::create_cfg()
{
    config cfg;
 
    if(const std::string& name = find_widget<text_box>("name").get_value(); !name.empty()) {
        cfg["title"] = name;
    }
    if(const std::string& description = find_widget<scroll_text>("description").get_value(); !description.empty()) {
        cfg["description"] = description;
    }
    if(const std::string& icon = find_widget<text_box>("icon").get_value(); !icon.empty()) {
        cfg["icon"] = icon;
    }
    if(const std::string& author = find_widget<text_box>("author").get_value(); !author.empty()) {
        cfg["author"] = author;
    }
    if(const std::string& version = find_widget<text_box>("version").get_value(); !version.empty()) {
        cfg["version"] = version;
    }
 
    multimenu_button& dependencies = find_widget<multimenu_button>("dependencies");
    boost::dynamic_bitset<> dep_states = dependencies.get_toggle_states();
    std::vector<std::string> chosen_deps;
    for(unsigned i = 0; i < dep_states.size(); i++) {
        if(dep_states[i] == 1) {
            chosen_deps.emplace_back(dirs_[i]);
        }
    }
    if(chosen_deps.size() > 0) {
        cfg["dependencies"] = utils::join(chosen_deps, ",");
    }
 
    if(find_widget<toggle_button>("forum_auth").get_value_bool()) {
        cfg["forum_auth"] = true;
 
        if(const std::string& primary_authors = find_widget<text_box>("primary_authors").get_value(); !primary_authors.empty()) {
            cfg["primary_authors"] = primary_authors;
        }
 
        if(const std::string& secondary_authors = find_widget<text_box>("secondary_authors").get_value(); !secondary_authors.empty()) {
            cfg["secondary_authors"] = secondary_authors;
        }
    } else {
        if(const std::string& email = find_widget<text_box>("email").get_value(); !email.empty()) {
            cfg["email"] = email;
        }
        if(const std::string& passphrase = find_widget<text_box>("password").get_value(); !passphrase.empty()) {
            cfg["passphrase"] = passphrase;
        }
    }
 
    if(const std::string& topic_id = find_widget<text_box>("forum_thread").get_value(); !topic_id.empty()) {
        config& feedback = cfg.add_child("feedback");
        feedback["topic_id"] = topic_id;
    }
 
    if(unsigned value = find_widget<menu_button>("type").get_value(); value != 0) {
        cfg["type"] = type_values[value];
    }
 
    multimenu_button& tags = find_widget<multimenu_button>("tags");
    boost::dynamic_bitset<> tag_states = tags.get_toggle_states();
    std::vector<std::string> chosen_tags;
    for(unsigned i = 0; i < tag_states.size(); i++) {
        if(tag_states[i] == 1) {
            chosen_tags.emplace_back(tag_values[i]);
        }
    }
    if(chosen_tags.size() > 0) {
        cfg["tags"] = utils::join(chosen_tags, ",");
    }
 
    listbox& translations = find_widget<listbox>("translations");
    for(unsigned i = 0; i < translations.get_item_count(); i++) {
        grid* row = translations.get_row_grid(i);
        config& translation = cfg.add_child("translation");
 
        translation["language"] = dynamic_cast<label*>(row->find("translations_language", false))->get_label();
        translation["title"] = dynamic_cast<label*>(row->find("translations_title", false))->get_label();
        translation["description"] = dynamic_cast<label*>(row->find("translations_description", false))->get_label();
    }
 
    return cfg;
}
 
void editor_edit_pbl::toggle_auth()
{
    toggle_button& forum_auth = find_widget<toggle_button>("forum_auth");
    if(forum_auth.get_value_bool()) {
        find_widget<text_box>("email").set_visible(gui2::widget::visibility::invisible);
        find_widget<text_box>("password").set_visible(gui2::widget::visibility::invisible);
        find_widget<label>("email_label").set_visible(gui2::widget::visibility::invisible);
        find_widget<label>("password_label").set_visible(gui2::widget::visibility::invisible);
        find_widget<text_box>("primary_authors").set_visible(gui2::widget::visibility::visible);
        find_widget<label>("primary_authors_label").set_visible(gui2::widget::visibility::visible);
        find_widget<text_box>("secondary_authors").set_visible(gui2::widget::visibility::visible);
        find_widget<label>("secondary_authors_label").set_visible(gui2::widget::visibility::visible);
    } else {
        find_widget<text_box>("email").set_visible(gui2::widget::visibility::visible);
        find_widget<text_box>("password").set_visible(gui2::widget::visibility::visible);
        find_widget<label>("email_label").set_visible(gui2::widget::visibility::visible);
        find_widget<label>("password_label").set_visible(gui2::widget::visibility::visible);
        find_widget<text_box>("primary_authors").set_visible(gui2::widget::visibility::invisible);
        find_widget<label>("primary_authors_label").set_visible(gui2::widget::visibility::invisible);
        find_widget<text_box>("secondary_authors").set_visible(gui2::widget::visibility::invisible);
        find_widget<label>("secondary_authors_label").set_visible(gui2::widget::visibility::invisible);
    }
}
 
void editor_edit_pbl::add_translation()
{
    std::string language;
    std::string title;
    std::string description;
    editor_edit_pbl_translation::execute(language, title, description);
 
    if(!language.empty() && !title.empty()) {
        find_widget<listbox>("translations").add_row(widget_data{
            { "translations_language", {
                { "label", language }
            }},
            { "translations_title", {
                { "label", title }
            }},
            { "translations_description", {
                { "label", description }
            }},
        });
 
        find_widget<button>("translations_delete").set_active(true);
    }
}
 
void editor_edit_pbl::delete_translation()
{
    listbox& translations = find_widget<listbox>("translations");
    translations.remove_row(translations.get_selected_row());
 
    button& translations_delete = find_widget<button>("translations_delete");
    if(translations.get_item_count() == 0) {
        translations_delete.set_active(false);
    }
}
 
void editor_edit_pbl::validate()
{
    std::unique_ptr<schema_validation::schema_validator> validator;
    validator.reset(new schema_validation::schema_validator(filesystem::get_wml_location("schema/pbl.cfg").value()));
    validator->set_create_exceptions(false);
 
    std::stringstream ss;
    ss << create_cfg();
    config temp = io::read(ss, validator.get());
 
    if(!validator->get_errors().empty()) {
        gui2::show_error_message(utils::join(validator->get_errors(), "\n"));
    } else if(addon_icon_too_large(temp["icon"].str())) {
        gui2::show_error_message(_("The icon’s file size is too large"));
    } else {
        gui2::show_message(_("Success"), _("No validation errors"), gui2::dialogs::message::button_style::auto_close);
    }
}
 
void editor_edit_pbl::update_icon_preview()
{
    std::string icon = find_widget<text_box>("icon").get_value();
    if(icon.find(".png") != std::string::npos || icon.find(".jpg") != std::string::npos || icon.find(".webp") != std::string::npos) {
        std::string path = filesystem::get_core_images_dir() + icon;
        drawing& img = find_widget<drawing>("preview");
 
        if(filesystem::file_exists(path) || icon.find("data:image") != std::string::npos) {
            img.set_label(icon);
        } else {
            img.set_label("");
            ERR_ED << "Failed to find icon file: " << path;
        }
    }
}
 
void editor_edit_pbl::update_url_preview()
{
    std::string topic = find_widget<text_box>("forum_thread").get_value();
    find_widget<label>("forum_url").set_label("https://r.wesnoth.org/t" + topic);
}
 
void editor_edit_pbl::select_icon_file()
{
    gui2::dialogs::file_dialog dlg;
 
    dlg.set_title(_("Choose an icon")).set_path(filesystem::get_core_images_dir() + "/icons/");
 
    if(dlg.show()) {
        std::string path = dlg.path();
        if(path.find(filesystem::get_core_images_dir()) == 0) {
            std::string icon = path.substr(filesystem::get_core_images_dir().length() + 1);
            // setting this programmatically doesn't seem to trigger connect_signal_notify_modified()
            find_widget<text_box>("icon").set_value(icon);
            find_widget<drawing>("preview").set_label(icon);
        } else {
            std::string uri = filesystem::read_file_as_data_uri(path);
 
            if(!uri.empty()) {
                find_widget<text_box>("icon").set_value(uri);
                find_widget<drawing>("preview").set_label(uri);
            }
        }
    }
}
 
} // namespace gui2::dialogs