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{{ define "header" }}
<style>
*:has(> .lang-fade-in-out) {
line-height: 1.1;
}
.lang-fade-in-out {
opacity: 0.5;
transition: opacity 1s;
&.hide {
opacity: 0;
}
}
</style>
<script>
(() => {
let i = 0;
let nodes;
const Δt = 5000; /* Total time a text is shown */
const Δf = 1000; /* Fade duration */
const texts = [
// ["en", "Select Your Language", "Eurozone Languages", "Other Languages"],
["nl", "Kies uw taal", "Eurozone talen", "Andere talen"],
["sv", "Välj ditt språk", "Eurozonens språk", "Andra språk"],
["fi", "Valitse kieli", "Euroalueen kielet", "Muut kielet"],
["de", "Wählen Sie Ihre Sprache", "Eurozone Sprachen", "Weitere Sprachen"],
["el", "Επιλέξτε τη γλώσσα σας", "Γλώσσες Ευρωζώνης", "Άλλες γλώσσες"],
["bg", "Изберете език", "Езици на еврозоната", "Други езици"],
];
const updateTexts = () => {
nodes.forEach((n, j) => {
const [lang, ...strs] = texts[i];
n.lang = lang;
n.textContent = strs[j];
n.classList.remove("hide");
});
};
const change = () => {
nodes.forEach(n => n.classList.add("hide"));
setTimeout(() => {
i = (i + 1) % texts.length;
updateTexts();
}, Δf);
};
document.addEventListener("DOMContentLoaded", _ => {
nodes = $$('.lang-fade-in-out');
updateTexts();
/* When you first do a page load there is no fade-in for the initial
text, so we want to trigger a fade-out Δf milliseconds earlier */
setTimeout(() => {
change();
setInterval(change, Δt);
}, Δt - Δf);
});
})();
</script>
{{ end }}
{{ define "content" }}
<header>
{{ template "navbar" . }}
<h1>
{{ .Get "Select Your Language" }}
<br><span class="lang-fade-in-out"></span>
</h1>
</header>
<main>
<h2>
{{ .Get "Eurozone Languages" }}
<br><span class="lang-fade-in-out"></span>
</h2>
{{ template "langgrid" true }}
<h2>
{{ .Get "Other Languages" }}
<br><span class="lang-fade-in-out"></span>
</h2>
{{ template "langgrid" false }}
</main>
{{ end }}
{{ define "langgrid" }}
{{ $ez := . }}
<form action="/language" method="POST">
<div class="lang-grid">
{{ range locales }}
{{ if eq $ez .Eurozone }}
<button
type="submit"
name="locale"
value={{ .Bcp }}
{{ if not .Enabled }}
disabled
{{ end }}
>
<span
lang={{ .Bcp }}
data-code={{ .Language | toUpper }}
>
{{ .Name }}
</span>
</button>
{{ end }}
{{ end }}
</div>
</form>
{{ end }}
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