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extension.js
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extension.js
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// https://github.com/amiad/gnome-hdate
import * as PanelMenu from 'resource:///org/gnome/shell/ui/panelMenu.js';
import St from 'gi://St';
import * as Main from 'resource:///org/gnome/shell/ui/main.js';
import Shell from 'gi://Shell';
import * as PopupMenu from 'resource:///org/gnome/shell/ui/popupMenu.js';
import {Extension, gettext as _} from 'resource:///org/gnome/shell/extensions/extension.js';
import * as Config from 'resource:///org/gnome/shell/misc/config.js';
import Clutter from 'gi://Clutter';
import GObject from 'gi://GObject';
import GLib from 'gi://GLib';
import LibHDateGLib from 'gi://LibHdateGlib';
let _hdateButton = null;
const HdateButton = new GObject.registerClass({
GTypeName: 'HdateButton'
}, class HdateButton
extends PanelMenu.Button {
constructor() {
super(0.0, "Hdate Button", false);
// make label
this.buttonText = new St.Label({y_expand: true, y_align: Clutter.ActorAlign.CENTER});
this.add_child(this.buttonText);
// init the hebrew date object
this.h = LibHDateGLib.Hdate.new();
this.h.set_longitude(34.77);
this.h.set_latitude(32.07);
this.h.set_tz(2);
this.h.set_dst(0);
this.jd = 0;
// force long format hebrew output
this.h.set_use_hebrew(true);
this.h.set_use_short_format(false);
// init empty menu items
this._sunrise = null;
this._sunset = null;
this._sep = null;
this._first_light = null;
this._first_stars = null;
this._three_stars = null;
this._portion = null;
// check label and menu evry 60 secs
this._refresh_rate = 60;
this._timeout = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, this._refresh_rate, this._refresh.bind(this));
// refresh view
this._refresh();
}
_refresh_button_label() {
// create the hebrew date label. we can use the standart this.h.to_string()
// function or create the string.
let label_string = this.h.get_int_string( this.h.get_hday() );
label_string += " \u05D1" + this.h.get_hebrew_month_string( this.h.get_hmonth() );
label_string += " " + this.h.get_int_string( this.h.get_hyear() );
// check for holiday
let holyday = this.h.get_holyday();
if (holyday != 0) {
label_string += ", " + this.h.get_holyday_string( holyday );
}
// check for omer
let omer = this.h.get_omer_day();
if (omer != 0) {
label_string += ", " + this.h.get_int_string( omer ) + ' לעומר';
}
// set the button label
this.buttonText.set_text(label_string);
}
_refresh_button_menu() {
// remove the old menu items
if (this._sunrise)
this._sunrise.destroy();
if (this._sunset)
this._sunset.destroy();
if (this._sep)
this._sep.destroy();
if (this._first_light)
this._first_light.destroy();
if (this._first_stars)
this._first_stars.destroy();
if (this._three_stars)
this._three_stars.destroy();
if (this._portion)
this._portion.destroy();
// get the time-of-day times
var sunrise = this.h.get_sunrise()
var sunset = this.h.get_sunset()
var first_light = this.h.get_first_light()
var talit = this.h.get_talit()
var first_stars = this.h.get_first_stars()
var three_stars = this.h.get_three_stars()
//calculate to print this week's parasha --hdate only prints iemei shabbat(!)
//and no shabbat values are present in VALA GLIB functions
var portion_nbr = null;
var str_portion = null;
let portion = this.h.get_parasha();
// if shabbat then its printing so fill variables and leave.
if (portion != 0) {
this.temp = LibHDateGLib.Hdate.new();
this.temp.set_use_hebrew(false);
portion_nbr = this.temp.get_parasha();
str_portion = this.temp.get_parasha_string(portion_nbr);
}
// else bruteforce calculate the next shabbat
// new to language so don't know if this is faster
// than Date(); getDay, getMonth() getYear() functions.
else {
let a_day = this.h.get_gday();
let a_month = this.h.get_gmonth();
let a_year = this.h.get_gyear();
do {
this.temp = LibHDateGLib.Hdate.new();
this.temp.set_use_hebrew(false);
this.temp.set_gdate(a_day,a_month,a_year);
portion_nbr = this.temp.get_parasha();
str_portion = this.temp.get_parasha_string(portion_nbr);
//this.temp.destroy(); breaks it
//Don't know if this.temp = LibHDateGLib.Hdate.new() being created
//all the time overwrites the previous aka destroyed
//or if it gets stored somewhere (=bad practice)
a_day++;
}
while (portion_nbr == 0);
}
// end result = parsha string in str_portion variable which prints below
// create new menu items
this._sunrise = new PopupMenu.PopupMenuItem(
_("Sunrise: ") + this.h.min_to_string(sunrise));
this._sunset = new PopupMenu.PopupMenuItem(
_("Sunset: ") + this.h.min_to_string(sunset));
this._sep = new PopupMenu.PopupSeparatorMenuItem();
this._first_light = new PopupMenu.PopupMenuItem(
_("First light: ") + this.h.min_to_string(first_light));
this._first_stars = new PopupMenu.PopupMenuItem(
_("First stars: ") + this.h.min_to_string(first_stars));
this._three_stars = new PopupMenu.PopupMenuItem(
_("Three stars: ") + this.h.min_to_string(three_stars));
this._sep2 = new PopupMenu.PopupSeparatorMenuItem();
this._portion = new PopupMenu.PopupMenuItem(
_("Week's Torah: ") + str_portion);
this.menu.addMenuItem(this._sunrise);
this.menu.addMenuItem(this._sunset);
this.menu.addMenuItem(this._sep);
this.menu.addMenuItem(this._first_light);
this.menu.addMenuItem(this._first_stars);
this.menu.addMenuItem(this._three_stars);
this.menu.addMenuItem(this._sep2);
this.menu.addMenuItem(this._portion);
}
_refresh() {
// set the h object date to today
this.h.set_today();
// repaint if we did not paint this day
if ( this.h.get_julian() != this.jd ) {
// set the hebrew date label.
this._refresh_button_label();
// set the menu
this._refresh_button_menu();
}
// remember the last day painted
this.jd = this.h.get_julian();
return true;
}
destroy() {
if(this._timeout) {
GLib.source_remove(this._timeout);
this._timeout = null;
}
super.destroy();
}
});
export default class HDate extends Extension {
enable() {
this._hdateButton = new HdateButton;
Main.panel.addToStatusArea('hdate-button', this._hdateButton, 0, "center");
}
disable() {
if(this._hdateButton) {
this._hdateButton.destroy();
delete this._hdateButton;
this._hdateButton = null;
}
}
}