using blocks in langswitcher for better extensibility

Author: rhukster

CHANGELOG.md

@@ -1,3 +1,9 @@
+# v3.0.3
+## mm/dd/2022
+
+1. [](#new)
+   * Using blocks in `partials/langswitcher.html.twig` to make it easier to extend without having to copy the logic
+
 # v3.0.2
 ## 10/05/2022
 

templates/partials/langswitcher-logic.html.twig

@@ -0,0 +1,29 @@
+{{ block('language_block_start') }}
+    {% set display_format = display_format ?? config.get('plugins.langswitcher.language_display', 'long') %}
+
+    {% for language in langswitcher.languages %}
+        {% set active_class = '' %}
+        {% set show_language = true %}
+        {% if language == langswitcher.current %}
+            {% set active_class = 'active' %}
+        {% endif %}
+        {% if langswitcher.translated_routes[language] %}
+            {% set lang_url = langswitcher.translated_routes[language] ~ page.urlExtension %}
+        {% else %}
+            {% set base_lang_url = base_url_simple ~ grav.language.getLanguageURLPrefix(language) %}
+            {% set lang_url = base_lang_url ~ langswitcher.page_route ~ page.urlExtension %}
+        {% endif %}
+        {% set untranslated_pages_behavior = grav.config.plugins.langswitcher.untranslated_pages_behavior %}
+        {% if untranslated_pages_behavior != 'none' %}
+            {% set translated_page = langswitcher.translated_pages[language] %}
+            {% if (not translated_page) or (not translated_page.published) %}
+                {% if untranslated_pages_behavior == 'redirect' %}
+                    {% set lang_url = url('/') %}
+                {% elseif untranslated_pages_behavior == 'hide' %}
+                    {% set show_language = false %}
+                {% endif %}
+            {% endif %}
+        {% endif %}
+        {{ block('language_item') }}
+    {% endfor %}
+{{ block('language_block_end') }}

templates/partials/langswitcher.html.twig

@@ -1,33 +1,15 @@
-<ul class="langswitcher">
-    {% set display_format = display_format ?? config.get('plugins.langswitcher.language_display', 'long') %}
-
-    {% for language in langswitcher.languages %}
-        {% set active_class = '' %}
-        {% set show_language = true %}
-        {% if language == langswitcher.current %}
-            {% set active_class = 'active' %}
-        {% endif %}
-        {% if langswitcher.translated_routes[language] %}
-            {% set lang_url = langswitcher.translated_routes[language] ~ page.urlExtension %}
-        {% else %}
-            {% set base_lang_url = base_url_simple ~ grav.language.getLanguageURLPrefix(language) %}
-            {% set lang_url = base_lang_url ~ langswitcher.page_route ~ page.urlExtension %}
-        {% endif %}
-        {% set untranslated_pages_behavior = grav.config.plugins.langswitcher.untranslated_pages_behavior %}
-        {% if untranslated_pages_behavior != 'none' %}
-            {% set translated_page = langswitcher.translated_pages[language] %}
-            {% if (not translated_page) or (not translated_page.published) %}
-                {% if untranslated_pages_behavior == 'redirect' %}
-                    {% set lang_url = url('/') %}
-                {% elseif untranslated_pages_behavior == 'hide' %}
-                    {% set show_language = false %}
-                {% endif %}
-            {% endif %}
-        {% endif %}
+{% extends 'partials/langswitcher-logic.html.twig' %}
 
-        {% if show_language %}
-            <li><a href="{{ lang_url ~ uri.params ~ (uri.query|length > 1 ? '?' ~ uri.query) }}" class="external {{ active_class }}">{% include 'partials/langswitcher-' ~ display_format ~ '.html.twig' %}</a></li>
-        {% endif %}
+{% block language_block_start %}
+<ul class="langswitcher">
+{% endblock %}
 
-    {% endfor %}
+{% block language_block_end %}
 </ul>
+{% endblock %}
+
+{% block language_item %}
+    {% if show_language %}
+    <li><a href="{{ lang_url ~ uri.params ~ (uri.query|length > 1 ? '?' ~ uri.query) }}" class="external {{ active_class }}">{% include 'partials/langswitcher-' ~ display_format ~ '.html.twig' %}</a></li>
+    {% endif %}
+{% endblock %}