====== Collapsed breadcrumb ======

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Main breadcrumb (not Search breadcrumb) format defined in ''sites/all/modules/islandora-github/ObjectHelper.inc''
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Edit file:
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<code php>
...

  /**
   * Builds an array of drupal links for use in breadcrumbs. 
   *
   * @global type $base_url
   * @param type $pid
   * @param type $breadcrumbs
   * @param type $level 
   */
  function getBreadcrumbs($pid, &$breadcrumbs, $level=10) {
    module_load_include('inc', 'fedora_repository', 'api/fedora_utils');
    // Before executing the query, we hve a base case of accessing the top-level collection
    global $base_url;
    if ($pid == variable_get('fedora_repository_pid', 'islandora:root')) {
      $breadcrumbs[] = l(t('Digital repository'), 'fedora/repository');
      $breadcrumbs[] = l(t('Home'), $base_url);
    }
    else {
      $query_string = 'select $parentObject $title $content from <#ri>
                               where (<info:fedora/' . $pid . '> <dc:title> $title
                               and $parentObject <fedora-model:hasModel> $content
                               and (<info:fedora/' . $pid . '> <fedora-rels-ext:isMemberOfCollection> $parentObject
                               or <info:fedora/' . $pid . '> <fedora-rels-ext:isMemberOf> $parentObject
                               or <info:fedora/' . $pid . '> <fedora-rels-ext:isPartOf> $parentObject)
                               and $parentObject <fedora-model:state> <info:fedora/fedora-system:def/model#Active>)
                               minus $content <mulgara:is> <info:fedora/fedora-system:FedoraObject-3.0>
</code>
<wrap tip>Tip</wrap>
<WRAP prewrap center caution>     
<code php>
                               order by $parentObject';
</code>
</WRAP>
<code php>
      $query_string = htmlentities(urlencode($query_string));

      $url = variable_get('fedora_repository_url', 'http://localhost:8080/fedora/risearch');
      $url .= "?type=tuples&flush=TRUE&format=CSV&limit=1&offset=0&lang=itql&stream=on&query=" . $query_string;

      $result = preg_split('/[\r\n]+/', do_curl($url));
      array_shift($result); // throw away first line
      $matches = str_getcsv(join("\n", $result));
      if ($matches !== FALSE) {
        $parent = preg_replace('/^info:fedora\//', '', $matches[0]);
</code>
<wrap tip>Tip</wrap>
<WRAP prewrap center caution>     
<code php>
/*        $breadcrumbs[] = l($matches[1], 'fedora/repository/' . $pid); */

        if ((strlen($parent) >0) && ($level <10)) {
/*        if (substr($matches[1],-11,6) == '- page') { */
          if (substr($matches[1],-11,6) != '- page') {
/*          $breadcrumbs[] = l(substr($matches[1],-9), 'fedora/repository/' . $pid); */
/*        } */
/*        else if (strlen($matches[1]) > 20){ */
            if (strlen($matches[1]) > 25){
              $breadcrumbs[] = l(htmlentities(substr($matches[1],0,25)) . '...', 'fedora/repository/' . $pid);
            }
            else {
              $breadcrumbs[] = l($matches[1], 'fedora/repository/' . $pid);
            }
          }
        }
</code>
</WRAP>
<code php>        
        if ($parent == variable_get('fedora_repository_pid', 'islandora:root')) {
          $breadcrumbs[] = l(t('Digital repository'), 'fedora/repository');
          $breadcrumbs[] = l(t('Home'), $base_url);
        }
        elseif ($level > 0) {
          $this->getBreadcrumbs($parent, $breadcrumbs, $level - 1);
        }
      }
    }
  }
...
</code>