prefs.js

const Gtk = imports.gi.Gtk;
const Gio = imports.gi.Gio;
const Gdk = imports.gi.Gdk;
const Lang = imports.lang;

const SETTINGS_SCHEMA = 'persian-calendar';

const Gettext = imports.gettext.domain('persian-calendar');
const _ = Gettext.gettext;
const N_ = function (e) {
    return e;
};

let extension = imports.misc.extensionUtils.getCurrentExtension();
let convenience = extension.imports.convenience;

let Schema = convenience.getSettings(extension, SETTINGS_SCHEMA);

function init() {
}

const App = new Lang.Class({
    Name: 'PersianCalendar.App',

    _init: function () {
        this.main_hbox = new Gtk.Box({
            orientation: Gtk.Orientation.HORIZONTAL,
            spacing: 20,
            border_width: 10
        });
        this.vbox1 = new Gtk.Box({
            orientation: Gtk.Orientation.VERTICAL,
            spacing: 10,
            border_width: 10
        });

        this.vbox2 = new Gtk.Box({
            orientation: Gtk.Orientation.VERTICAL,
            spacing: 10,
            border_width: 10
        });

        this.vbox3 = new Gtk.Box({
            orientation: Gtk.Orientation.VERTICAL,
            spacing: 10,
            border_width: 10
        });

        this.main_hbox.pack_start(this.vbox1, false, false, 0);
        this.main_hbox.pack_start(this.vbox2, false, false, 0);
        this.main_hbox.pack_start(this.vbox3, false, false, 0);

        this.vbox1.add(new Gtk.Label({label: _('Dates to display:')}));
        this.vbox2.add(new Gtk.Label({
            label: _('Events to display:\n<span size="x-small">("Official" events are needed to find holidays)</span>'),
            use_markup: true
        }));

        let item = new Gtk.CheckButton({label: _('Persian')});
        this.vbox1.add(item);
        Schema.bind('persian-display', item, 'active', Gio.SettingsBindFlags.DEFAULT);

        let item = new Gtk.CheckButton({label: _('Gregorian')});
        this.vbox1.add(item);
        Schema.bind('gregorian-display', item, 'active', Gio.SettingsBindFlags.DEFAULT);

        let item = new Gtk.CheckButton({label: _('Hijri')});
        this.vbox1.add(item);
        Schema.bind('hijri-display', item, 'active', Gio.SettingsBindFlags.DEFAULT);

        let item = new Gtk.CheckButton({label: _('Official Iranian lunar')});
        this.vbox2.add(item);
        Schema.bind('event-iran-lunar', item, 'active', Gio.SettingsBindFlags.DEFAULT);

        let item = new Gtk.CheckButton({label: _('Official Iranian solar')});
        this.vbox2.add(item);
        Schema.bind('event-iran-solar', item, 'active', Gio.SettingsBindFlags.DEFAULT);

        let item = new Gtk.CheckButton({label: _('Old Persian')});
        this.vbox2.add(item);
        Schema.bind('event-persian', item, 'active', Gio.SettingsBindFlags.DEFAULT);

        let item = new Gtk.CheckButton({label: _('Persian personages')});
        this.vbox2.add(item);
        Schema.bind('event-persian-personage', item, 'active', Gio.SettingsBindFlags.DEFAULT);

        let item = new Gtk.CheckButton({label: _('International')});
        this.vbox2.add(item);
        Schema.bind('event-world', item, 'active', Gio.SettingsBindFlags.DEFAULT);

        // COLOR
        let item = new Gtk.CheckButton({label: _('Use custom color')});
        this.vbox3.add(item);
        Schema.bind('custom-color', item, 'active', Gio.SettingsBindFlags.DEFAULT);

        let label = new Gtk.Label({label: "Color: "});
        let color = new Gtk.ColorButton();
        let _actor = new Gtk.HBox();
        _actor.add(label);
        _actor.add(color);

        let _color = getColorByHexadecimal(Schema.get_string('color'));
        color.set_color(_color);

        this.vbox3.add(_actor);
        color.connect('color-set', function (color) {
            Schema.set_string('color', getHexadecimalByColor(color.get_color()));
        });

        // FONT
        /*let item = new Gtk.CheckButton({label: _('Use custom font')})
         this.vbox3.add(item)
         Schema.bind('custom-font', item, 'active', Gio.SettingsBindFlags.DEFAULT);

         let label = new Gtk.Label({label: "Font: "});
         let font = new Gtk.FontButton();
         font.set_show_size(false);
         //font.set_show_style(false);

         let _actor = new Gtk.HBox();
         _actor.add(label);
         _actor.add(font);
         font.set_font_name(Schema.get_string('font'));

         this.vbox3.add(_actor);
         font.connect('font-set', function(font){
         Schema.set_string('font', font.get_font_name());
         });*/

        this.main_hbox.show_all();
    }
});

function buildPrefsWidget() {
    let widget = new App();
    return widget.main_hbox;
}

function _scaleRound(value) {
    // Based on gtk/gtkcoloreditor.c
    value = Math.floor((value / 255) + 0.5);
    value = Math.max(value, 0);
    value = Math.min(value, 255);
    return value;
}

function _dec2Hex(value) {
    value = value.toString(16);

    while (value.length < 2) {
        value = '0' + value;
    }

    return value;
}

function getColorByHexadecimal(hex) {
    let colorArray = Gdk.Color.parse(hex);
    let color = null;

    if (colorArray[0]) {
        color = colorArray[1];
    } else {
        // On any error, default to red
        color = new Gdk.Color({red: 65535});
    }

    return color;
}

function getHexadecimalByColor(color) {
    let red = _scaleRound(color.red);
    let green = _scaleRound(color.green);
    let blue = _scaleRound(color.blue);
    return "#" + _dec2Hex(red) + _dec2Hex(green) + _dec2Hex(blue);
}