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/*
This file is part of GNU Taler
(C) 2021 Taler Systems S.A.
GNU Taler 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 3, or (at your option) any later version.
GNU Taler 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
*
* @author Sebastian Javier Marchano (sebasjm)
*/
import { h, VNode, Fragment } from 'preact';
import { useCallback, useEffect, useState } from 'preact/hooks';
import langIcon from '../../assets/icons/languageicon.svg';
import { useTranslationContext } from '../../context/translation';
import { strings as messages } from '../../i18n/strings';
type LangsNames = {
[P in keyof typeof messages]: string;
};
const names: LangsNames = {
es: 'Español [es]',
en: 'English [en]',
fr: 'Français [fr]',
de: 'Deutsch [de]',
sv: 'Svenska [sv]',
it: 'Italiano [it]',
};
function getLangName(s: keyof LangsNames | string): string {
if (names[s]) return names[s];
return String(s);
}
// FIXME: explain "like py".
export function LangSelectorLikePy(): VNode {
const [updatingLang, setUpdatingLang] = useState(false);
const { lang, changeLanguage } = useTranslationContext();
const [hidden, setHidden] = useState(true)
useEffect(() => {
function bodyKeyPress(event:KeyboardEvent) {
console.log(event.code)
if (event.code === 'Escape')
setHidden(true);
}
function bodyOnClick(event:Event) {
setHidden(true);
}
document.body.addEventListener('click', bodyOnClick)
document.body.addEventListener('keydown', bodyKeyPress as any)
return () => {
document.body.removeEventListener('keydown', bodyKeyPress as any)
document.body.removeEventListener('click', bodyOnClick)
}
},[])
return (
<Fragment>
<button name="language" onClick={(ev) => {
setHidden(h => !h);
ev.stopPropagation();
}}>
{getLangName(lang)}
</button>
<div id="lang" class={hidden ? 'hide' : ''}>
<div style="position: relative; overflow: visible;">
<div
class="nav"
style="position: absolute; max-height: 60vh; overflow-y: scroll">
{Object.keys(messages)
.filter((l) => l !== lang)
.map((l) => (
<a
key={l}
href="#"
class="navbtn langbtn"
value={l}
onClick={() => {
changeLanguage(l);
setUpdatingLang(false);
}}>
{getLangName(l)}
</a>
))}
<br />
</div>
</div>
</div>
</Fragment>
);
}
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