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path: root/src/preferences/pages/general.rs
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// Map, wardley map editor for linux
// Copyright (C) 2026 Rubén Beltrán del Río

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 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; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.

// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

use gtk::FileFilter;
use gtk::prelude::*;
use relm4::Sender;
use relm4::gtk;

use crate::tr;

use super::super::window::PreferencesInput;

pub struct GeneralPage {
    container: gtk::Box,
}

impl GeneralPage {
    pub fn new(sender: &Sender<PreferencesInput>) -> Self {
        let container = gtk::Box::new(gtk::Orientation::Vertical, 20);
        container.set_margin_top(20);
        container.set_margin_bottom(20);
        container.set_margin_start(20);
        container.set_margin_end(20);
        container.set_valign(gtk::Align::Start);

        // Preferences section
        let prefs_label = gtk::Label::new(Some(&tr!("preferences.general.preferences.title")));
        prefs_label.add_css_class("heading");
        prefs_label.set_halign(gtk::Align::Start);
        container.append(&prefs_label);

        let button_box = gtk::Box::new(gtk::Orientation::Horizontal, 10);

        // Export button
        let export_button = gtk::Button::with_label(&tr!("preferences.general.preferences.export"));
        {
            let sender = sender.clone();
            export_button.connect_clicked(move |_| {
                sender.emit(PreferencesInput::Export);
            });
        }
        button_box.append(&export_button);

        // Import button
        let import_button = gtk::Button::with_label(&tr!("preferences.general.preferences.import"));
        {
            let sender = sender.clone();
            import_button.connect_clicked(move |_| {
                sender.emit(PreferencesInput::Import);
            });
        }
        button_box.append(&import_button);

        // Reset button
        let reset_button = gtk::Button::with_label(&tr!("preferences.general.preferences.reset"));
        reset_button.add_css_class("destructive-action");
        {
            let sender = sender.clone();
            reset_button.connect_clicked(move |_| {
                sender.emit(PreferencesInput::ResetToDefaults);
            });
        }
        button_box.append(&reset_button);

        container.append(&button_box);

        // Help text
        let help_label = gtk::Label::new(Some(&tr!("preferences.general.explanation")));
        help_label.add_css_class("dim-label");
        help_label.set_halign(gtk::Align::Start);
        help_label.set_wrap(true);
        container.append(&help_label);

        Self { container }
    }

    pub fn widget(&self) -> gtk::Box {
        self.container.clone()
    }
}

pub fn show_export_dialog(sender: &Sender<PreferencesInput>, window: &gtk::Window) {
    let filter = FileFilter::new();
    filter.add_pattern("*.json");
    filter.set_name(Some(&tr!("dialog.file_type.json")));

    let filters = gtk::gio::ListStore::new::<gtk::FileFilter>();
    filters.append(&filter);

    let dialog = gtk::FileDialog::builder()
        .title(tr!("dialog.export_preferences.title"))
        .modal(true)
        .filters(&filters)
        .initial_name("preferences.json")
        .build();

    let sender = sender.clone();
    let window = window.clone();
    gtk::glib::spawn_future_local(async move {
        if let Ok(file) = dialog.save_future(Some(&window)).await
            && let Some(path) = file.path()
        {
            sender.emit(PreferencesInput::ExportToFile(path));
        }
    });
}

pub fn show_import_dialog(sender: &Sender<PreferencesInput>, window: &gtk::Window) {
    let filter = FileFilter::new();
    filter.add_pattern("*.json");
    filter.set_name(Some(&tr!("dialog.file_type.json")));

    let filters = gtk::gio::ListStore::new::<gtk::FileFilter>();
    filters.append(&filter);

    let dialog = gtk::FileDialog::builder()
        .title(tr!("dialog.import_preferences.title"))
        .modal(true)
        .filters(&filters)
        .build();

    let sender = sender.clone();
    let window = window.clone();
    gtk::glib::spawn_future_local(async move {
        if let Ok(file) = dialog.open_future(Some(&window)).await
            && let Some(path) = file.path()
        {
            sender.emit(PreferencesInput::ImportFromFile(path));
        }
    });
}