Added i18n support for DC metadata labels.

README.md

@@ -26,9 +26,17 @@ REQUIREMENTS
 The Tuque library must be installed to use Islandora. It can be found here:
 http://github.com/Islandora/tuque
 It is expected to be in one of two paths:
- - sites/all/libraries/tuque (libraries directory may need to be created) 
+ - sites/all/libraries/tuque (libraries directory may need to be created)
  - islandora_folder/libraries/tuque
 
+OPTIONAL REQUIREMENTS
+---------------------
+
+If you want to support languages other than English download and enable
+[String Translation](https://drupal.org/project/i18n), And follow our
+[guide](wiki/Multilingual-Support) for setting up additional languges.
+
+
 INSTALLATION
 ------------
 

includes/dublin_core.inc

@@ -130,7 +130,10 @@ class DublinCore {
           }
           $dc_label = explode(':', $field);
           $element_label = drupal_ucfirst($dc_label[1]);
-          $dc_array[$field]['label'] = $element_label;
+          $i18n_object_id = drupal_strtolower($element_label);
+          $dc_array[$field]['label'] = function_exists('i18n_string') ?
+            i18n_string("islandora:dc:{$i18n_object_id}:label", $element_label) :
+            $element_label;
           $dc_array[$field]['value'] = filter_xss($value);
           $dc_array[$field]['class'] = drupal_strtolower(preg_replace('/[^A-Za-z0-9]/', '-', $field));
           $dc_array[$field]['dcterms'] = preg_replace('/^dc/', 'dcterms', $field);

islandora.module

@@ -532,6 +532,48 @@ function islandora_permission() {
   );
 }
 
+/**
+ * Implements hook_i18n_string_info().
+ */
+function islandora_i18n_string_info() {
+  return array(
+    'islandora' => array(
+      'title' => t('Islandora'),
+      'description' => t('Translatable Metadata labels, etc.'),
+      'format' => FALSE,
+      'list' => TRUE,
+    ),
+  );
+}
+
+/**
+ * Implements islandora_i18n_string_list().
+ */
+function islandora_i18n_string_list($group) {
+  if ($group == 'islandora') {
+    return array(
+      'islandora' => array(
+        'dc' => array(
+          'title' => array('label' => 'Title'),
+          'creator' => array('label' => 'Creator'),
+          'subject' => array('label' => 'Subject'),
+          'description' => array('label' => 'Description'),
+          'publisher' => array('label' => 'Publisher'),
+          'contributor' => array('label' => 'Contributor'),
+          'date' => array('label' => 'Date'),
+          'type' => array('label' => 'Type'),
+          'format' => array('label' => 'Format'),
+          'identifier' => array('label' => 'Identifier'),
+          'source' => array('label' => 'Source'),
+          'language' => array('label' => 'Language'),
+          'relation' => array('label' => 'Relation'),
+          'coverage' => array('label' => 'Coverage'),
+        ),
+      ),
+    );
+  }
+}
+
 /**
  * Renders the print page for the given object.
  *