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Under /admin/structure/taxonomy/my_vocabulary/display/entity I've got a view mode "entity". For this view mode, I would like to alter the way the link in the title field is built (the title is replaced by a real field instance due to title module): the link should be rebuilt into an anchor link like this: <a href="#term-ID>Title</a>, where term-ID is replaced with the actul term ID of the term. How can I achieve this by a custom module or by a template function? Are render arrays good for this? Here's a screenhot of the admin page. enter image description here

  • what do you mean by this I would like to alter the way the link in the title-field is built? – iamroald Aug 21 '16 at 0:23
  • i edited my previous quetsion – Madam Adam Aug 21 '16 at 6:05
  • Where does that title field comes from? Do you have a screendump of the /admin/structure/taxonomy/my_vocabulary/display page? – undersound Aug 21 '16 at 11:00
  • Screenshot is added. I think the title is automatically added (like node titles are rendered automatically, too; node titles can be hidden by using exclude node title module, but for entities this doiesn't work. see here: drupal.stackexchange.com/questions/107895/…) – Madam Adam Aug 21 '16 at 21:11
  • I am not to familiar with this also so please bear with me :). Is Beschreibung the field that is replacing the default Title? Perhaps you can use drupal.org/project/custom_formatters or otherwise api.drupal.org/api/drupal/modules%21field%21field.api.php/… – undersound Aug 23 '16 at 15:37
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I finally altered the title link by using a preprocess hook and a custom field template file (and a custom view mode for my entity, done with hook_entity_info_alter()):

  function hook_preprocess_taxonomy_term(&$variables) {
  $variables['view_mode'] = $variables['elements']['#view_mode'];
  $variables['term'] = $variables['elements']['#term'];
  $term = $variables['term'];
  $uri = entity_uri('taxonomy_term', $term);
  // Edits are here:
  $variables['term_url'] = url($uri['path'], $uri['options']);
  $variables['term_name'] = check_plain($term->name);
  $variables['page'] = $variables['view_mode'] == 'full' && taxonomy_term_is_page($term);
  $variables['term_id'] = drupal_html_id($term->name);  
  // Flatten the term object's member fields.
  $variables = array_merge((array) $term, $variables);
  // Helpful $content variable for templates.
  $variables['content'] = array();
  foreach (element_children($variables['elements']) as $key) {
    $variables['content'][$key] = $variables['elements'][$key];
  }
  field_attach_preprocess('taxonomy_term', $term, $variables['content'], $variables);

  // Gather classes, and clean up name so there are no underscores.
  $vocabulary_name_css = str_replace('_', '-', $term->vocabulary_machine_name);
  $variables['classes_array'][] = 'vocabulary-' . $vocabulary_name_css;

  $variables['theme_hook_suggestions'][] = 'taxonomy_term__' . $term->vocabulary_machine_name;
  $variables['theme_hook_suggestions'][] = 'taxonomy_term__' . $term->tid;
}

My taxonomy-term.tpl.php:

<div<?php print $attributes; ?>>
  <?php if (!$page && ($view_mode != 'subcategory_anchor')): ?>
    <h2><a href="<?php print $term_url; ?>"><?php print $term_name; ?></a></h2>
  <?php endif; ?>

  <?php if (!$page && ($view_mode == 'subcategory_anchor')): ?>
    <h2 id="<?php print $term_id ?>"><?php print $term_name; ?></h2>
  <?php endif; ?>


  <div<?php print $content_attributes; ?>>
    <?php print render($content); ?>
  </div>
</div>

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