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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 } from "preact";
import { 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)
}
export function LangSelector(): VNode {
const [updatingLang, setUpdatingLang] = useState(false)
const { lang, changeLanguage } = useTranslationContext()
return <div class="dropdown is-active ">
<div class="dropdown-trigger">
<button class="button has-tooltip-left"
data-tooltip="change language selection"
aria-haspopup="true"
aria-controls="dropdown-menu" onClick={() => setUpdatingLang(!updatingLang)}>
<div class="icon is-small is-left">
<img src={langIcon} />
</div>
<span>{getLangName(lang)}</span>
<div class="icon is-right">
<i class="mdi mdi-chevron-down" />
</div>
</button>
</div>
{updatingLang && <div class="dropdown-menu" id="dropdown-menu" role="menu">
<div class="dropdown-content">
{Object.keys(messages)
.filter((l) => l !== lang)
.map(l => <a key={l} class="dropdown-item" value={l} onClick={() => { changeLanguage(l); setUpdatingLang(false) }}>{getLangName(l)}</a>)}
</div>
</div>}
</div>
}
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