derivatives in batches so derivatives that need to batch can run

includes/derivatives.inc

@@ -21,9 +21,25 @@ function islandora_run_derivatives(AbstractObject $object, $dsid) {
     islandora_derivative_logging($logging_results);
   }
   else {
-    islandora_do_batch_derivatives($object, array(
-      'source_dsid' => $dsid,
-    ));
+    batch_set(
+      // Title won't show for batch in a batch.
+      array(
+        'init_message' => t('Preparing derivatives for @label', array('@label' => $object->label)),
+        'error_message' => t('An error occured creating derivatives.'),
+        'progress_message' => t(
+          'Creating derivatives for @label <br/>Time elapsed: @elapsed <br/>
+            Estimated time remaining @estimate.',
+          array('@label' => $object->label)
+        ),
+        'file' => drupal_get_path('module', 'islandora') . '/includes/regenerate_derivatives.form.inc',
+        'operations' => islandora_do_batch_derivatives(
+          $object,
+          array(
+            'source_dsid' => $dsid,
+          )
+        ),
+      )
+    );
   }
 }