refs #15188 [fid_bbi]

* display all subject headings extended

module/fid_bbi/src/fid_bbi/View/Helper/Root/RecordDataFormatterFactory.php

@@ -416,7 +416,7 @@ class RecordDataFormatterFactory
             'Language', 'getLanguages', 'data-transEscCommaSepLang.phtml'
         );
         $spec->setTemplateLine(
-            'Subjects', 'getAllSubjectHeadings', 'data-allSubjectHeadings.phtml'
+            'Subjects', 'getAllSubjectHeadingsExtended', 'data-allSubjectHeadingsExtended.phtml'
         );
         $spec->setTemplateLine(
             'RVK', 'getRVK', 'data-rvk.phtml'

themes/fid_bbi/templates/RecordDriver/DefaultRecord/data-allSubjectHeadingsExtended.phtml

+<?php foreach ($data as $field): ?>
+  <div class="subject-line" property="keywords">
+    <?php $subject = ''; ?>
+    <?php if (isset($field['subject'])): ?>
+        <?php if(count($field['subject']) == 1) $field = explode('--', $field['subject']); ?>
+        <?php $i = 0; foreach ($field['subject'] as $subfield): ?>
+            <?=($i++ == 0) ? '' : ' &gt; '?>
+            <?php $subject = trim($subject . ' ' . $subfield); ?>
+        <a title="<?=$this->escapeHtmlAttr($subject)?>" href="<?=$this->record($this->driver)->getLink('subject', $subject)?>" rel="nofollow"><?=trim($this->escapeHtml($subfield))?></a>
+        <?php endforeach; ?>
+    <?php endif; ?>
+  </div>
+<?php endforeach; ?>