Bakit Gumawa ng Custom na Language Selector?

Habang ang Hugo PaperMod theme ay kasama ang built-in na language selection feature, simpleng ipinakikita lang nito ang lahat ng available na wika sa header. Para sa mga blog na sumusuporta sa maraming wika (tulad ng Look Scanned, na sumusuporta sa mahigit 20), ang approach na ito ay nagsasagulo sa header ng mga language options. Ang custom dropdown-based na language selector ay nagbibigay ng mas eleganteng solusyon.

Default na Language Selector sa Hugo PaperMod theme

Implementation Guide

Hanapin at I-override ang Original Layout

Ang original na language selector ay nakadefine sa themes/PaperMod/layouts/partials/header.html. Para ma-customize ito, kailangan nating gumawa ng sariling version sa layouts/partials/header.html. Narito ang original implementation:

{{- $lang := .Lang}} {{- $separator := or $label_text (not
site.Params.disableThemeToggle)}} {{- with site.Home.Translations }}
<ul class="lang-switch">
  {{- if $separator }}
  <li>|</li>
  {{ end }} {{- range . -}} {{- if ne $lang .Lang }}
  <li>
    <a
      href="{{- .Permalink -}}"
      title="{{ .Language.Params.languageAltTitle | default (.Language.LanguageName | emojify) | default (.Lang | title) }}"
      aria-label="{{ .Language.LanguageName | default (.Lang | title) }}"
    >
      {{- if (and site.Params.displayFullLangName (.Language.LanguageName)) }}
      {{- .Language.LanguageName | emojify -}} {{- else }} {{- .Lang | title -}}
      {{- end -}}
    </a>
  </li>
  {{- end -}} {{- end}}
</ul>
{{- end }}

Gumawa ng Custom Dropdown Selector

Ang aming custom implementation ay gumagamit ng language icon mula sa ionicons5 bilang trigger button, na naglalabas ng dropdown menu na naglalaman ng lahat ng available na wika. Narito ang implementation:

{{- $lang := .Lang }}
{{- $separator := or $label_text (not site.Params.disableThemeToggle)}}
{{- with site.Home.Translations }}
{{- if $separator }}<span class="nav-separator">|</span>{{ end }}
<div class="lang-select-dropdown">
    <!-- Language Icon Button -->
    <button class="lang-select-dropdown-trigger" aria-label="{{- i18n "translations" | default "Mga Salin" }}" type="button">
        <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 512 512" width="24" height="18"><path d="M478.33 433.6l-90-218a22 22 0 0 0-40.67 0l-90 218a22 22 0 1 0 40.67 16.79L316.66 406h102.67l18.33 44.39A22 22 0 0 0 458 464a22 22 0 0 0 20.32-30.4zM334.83 362L368 281.65L401.17 362z" fill="currentColor"></path><path d="M267.84 342.92a22 22 0 0 0-4.89-30.7c-.2-.15-15-11.13-36.49-34.73c39.65-53.68 62.11-114.75 71.27-143.49H330a22 22 0 0 0 0-44H214V70a22 22 0 0 0-44 0v20H54a22 22 0 0 0 0 44h197.25c-9.52 26.95-27.05 69.5-53.79 108.36c-31.41-41.68-43.08-68.65-43.17-68.87a22 22 0 0 0-40.58 17c.58 1.38 14.55 34.23 52.86 83.93c.92 1.19 1.83 2.35 2.74 3.51c-39.24 44.35-77.74 71.86-93.85 80.74a22 22 0 1 0 21.07 38.63c2.16-1.18 48.6-26.89 101.63-85.59c22.52 24.08 38 35.44 38.93 36.1a22 22 0 0 0 30.75-4.9z" fill="currentColor"></path></svg>
    </button>
    <!-- Dropdown Content -->
    <div class="lang-select-dropdown-content">
        {{- range . -}}
        {{- if ne $lang .Lang }}
        <a lang="{{ .Lang }}" href="{{- .Permalink -}}" title="{{ .Language.Params.languageAltTitle | default (.Language.LanguageName | emojify) | default (.Lang | title) }}"
            aria-label="{{ .Language.LanguageName | default (.Lang | title) }}">
            {{- if (and site.Params.displayFullLangName (.Language.LanguageName)) }}
            {{- .Language.LanguageName | emojify -}}
            {{- else }}
            {{- .Lang | title -}}
            {{- end -}}
        </a>
        {{- end -}}
        {{- end}}
    </div>
</div>
{{- end }}

Idagdag ang Styling

Para gumana nang maayos ang dropdown at magmukhang consistent sa theme, idagdag ang sumusunod na CSS:

.lang-select-dropdown {
  position: relative;
  display: inline-block;
}

.lang-select-dropdown-content {
  top: 50px;
  display: none;
  position: absolute;
  background-color: var(--entry);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
  max-height: calc(min(20em, 100vh - 100px));
  overflow-y: auto;
  overflow-x: hidden;
}

.lang-select-dropdown-content a {
  font-size: 14px;
  font-weight: inherit;
  line-height: 1;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  white-space: nowrap;
  transition: background-color 0.1s ease-in-out;
}

.lang-select-dropdown-content a:hover {
  background-color: #f1f1f1;
}

.lang-select-dropdown:hover .lang-select-dropdown-content {
  display: block;
}

.lang-select-dropdown-trigger {
  height: 100%;
  font-size: 26px;
  margin: auto 4px;
}

.nav-separator {
  margin: auto 4px;
}

Ang resulta ay isang malinis, dropdown-based na language selector na lumalabas kapag nag-hover sa language icon:

Custom na Language Selector sa Hugo PaperMod theme

Makikita ninyo ang kumpletong implementation sa GitHub commit na ito.

Reference