Added support for automatic expansion of details when printing

material/base.html

@@ -190,7 +190,7 @@
       {% endblock %}
     </div>
     {% block scripts %}
-      <script src="{{ 'assets/javascripts/application.a8c1b0c3.js' | url }}"></script>
+      <script src="{{ 'assets/javascripts/application.efe184c7.js' | url }}"></script>
       {% if lang.t("search.language") != "en" %}
         {% set languages = lang.t("search.language").split(",") %}
         {% if languages | length and languages[0] != "" %}

src/assets/javascripts/application.js

@@ -498,6 +498,20 @@ function initialize(config) { // eslint-disable-line func-style
         .initialize(facts)
     })
   })
+
+  /* Before-print hook */
+  const print = () => {
+    const details = document.querySelectorAll("details")
+    Array.prototype.forEach.call(details, detail => {
+      detail.setAttribute("open", "")
+    })
+  }
+
+  /* Open details before printing */
+  new Material.Event.MatchMedia("print", {
+    listen: print, unlisten: () => {}
+  }) // Webkit
+  window.onbeforeprint = print // IE, FF
 }
 
 /* ----------------------------------------------------------------------------