allowances made for missing content models

islandora.module

@@ -2175,15 +2175,18 @@ function islandora_islandora_get_breadcrumb_query_predicates(AbstractObject $obj
  * Implements hook_islandora_overview_object().
  */
 function islandora_islandora_overview_object(AbstractObject $object) {
-  if (is_object($object)) {
+
   $cmodels = $object->models;
   $rows = array();
   foreach ($cmodels as $cmodel) {
     if ($cmodel != 'fedora-system:FedoraObject-3.0') {
       $o = islandora_object_load($cmodel);
-        if(is_object($o)) {
+      if (is_object($o)) {
         $rows[] = array(l($o->label, "islandora/object/{$o->id}"));
       }
+      else {
+        $rows[] = array(t("@cmodel  - (This content model is not in this Islandora repository.)", array('@cmodel' => $cmodel)));
+      }
     }
   }
   $header = count($rows) > 1 ? t('Content Models') : t('Content Model');
@@ -2192,5 +2195,4 @@ function islandora_islandora_overview_object(AbstractObject $object) {
     'rows' => $rows,
     'empty' => t('No Islandora content model associated with this object.')));
   return array('cmodels' => $table);
-  }
 }