HsH Fiddles at this plugin. :-|

filter.php

@@ -57,6 +57,7 @@ class filter_opencast extends moodle_text_filter {
         // Looking for tags.
         $matches = preg_split('/(<[^>]*>)/i', $text, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);
         
+        $loginhtml = '';
         if ($matches) {
             $renderer = $PAGE->get_renderer('filter_opencast');
 
@@ -64,7 +65,7 @@ class filter_opencast extends moodle_text_filter {
             $loggedin = true;
             if (!self::$loginrendered) {
                 // Login and set cookie.
-                filter_opencast_login();
+                $loginhtml = filter_opencast_login();
                 $loggedin = false;
                 self::$loginrendered = true;
             }
@@ -113,6 +114,6 @@ class filter_opencast extends moodle_text_filter {
         }
 
         // Return the same string except processed by the above.
-        return $text;
+        return $loginhtml . $text;
     }
 }

lang/en/filter_opencast.php

@@ -33,4 +33,3 @@ $string['setting_engageurl'] = 'URL of the Opencast Engage server';
 $string['setting_engageurl_desc'] = 'If empty, the base URL of the admin tool is used.';
 $string['setting_playerurl'] = 'URL of the Opencast player';
 $string['setting_playerurl_desc'] = 'Relative URL of the Opencast player, e.g. /engage/theodul/ui/core.html for the Theodul Pass Player.';
\ No newline at end of file
-$string['to_the_video'] = 'Watch the video';
\ No newline at end of file

lib.php

@@ -48,10 +48,12 @@ function filter_opencast_login() {
 
     // Render form.
     $renderer = $PAGE->get_renderer('filter_opencast');
-    echo $renderer->render_lti_form($endpoint, $params);
+    $html = $renderer->render_lti_form($endpoint, $params);
 
     // Submit form.
     $PAGE->requires->js_call_amd('filter_opencast/form', 'init');
+    
+    return $html;
 }
 
 /**

templates/player.mustache

@@ -30,5 +30,5 @@
     <iframe data-frameSrc="{{src}}" width="95%" height="455px" class="ocplayer" allowfullscreen="true"></iframe>
 {{/loggedin}}
 {{! Print the link to the video. }}
-<a style="display:block;" target="_blank" href="{{link}}">{{#str}} to_the_video, filter_opencast {{/str}}</a>
+<a style="display:block;" target="_blank" href="{{link}}">Zum Video</a>
 

version.php

@@ -19,14 +19,14 @@
  *
  * @package    filter
  * @subpackage opencastfilter
- * @copyright  2018 Tamara Gunkel, 2020 Nina Herrmann
+ * @copyright  2018 Tamara Gunkel
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->maturity = MATURITY_RC;
-$plugin->version = 2018031902;        // The current plugin version (Date: YYYYMMDDXX).
+$plugin->version = 2018031904;        // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires = 2017050500;        // Requires this Moodle version.
 $plugin->component = 'filter_opencast'; // Full name of the plugin.
 $plugin->dependencies = array(