Changed some things with datastreams so redirect and managed work okay.

includes/datastream.inc

@@ -24,7 +24,9 @@ function islandora_datastream_as_attachment($object_id, $dsid) {
     return"";
   }
   header('Content-type: ' . $fedora_object[$dsid]->mimetype);
-  header('Content-length: ' . $fedora_object[$dsid]->size);
+  if($fedora_object[$dsid]->controlGroup == 'M' || $fedora_object[$dsid]->controlGroup == 'X') {
+    header('Content-length: ' . $fedora_object[$dsid]->size);
+  }
   header("Cache-control: private");
   $method = arg(5);
   if (isset($method) && $method == 'download') {

includes/utilities.inc

@@ -30,4 +30,19 @@ function islandora_convert_bytes_to_human_readable($bytes, $precision = 2)
     } else {
         return $bytes . ' B';
     }
+}
+
+function islandora_control_group_to_human_readable($control_group) {
+  switch($control_group) {
+    case 'M':
+      return '<b>M</b>anaged';
+    case 'X':
+      return 'Inline <b>X</b>ML';
+    case 'R':
+      return '<b>R</b>edirect';
+    case 'E':
+      return '<b>E</b>xternally Referenced';
+    default:
+      return $control_group;
+  }
 }

islandora.module

@@ -109,7 +109,6 @@ function islandora_menu() {
   );
 
 
-
   $items['islandora/object/%/view'] = array(
     'title' => 'View',
     //'page callback' => 'islandora_view_object',
@@ -144,7 +143,6 @@ function islandora_menu() {
     'weight' => -10,
   );
 
-
   $items['islandora/object/%/manage/properties'] = array(
     'title' => 'Properties',
     'page callback' => 'drupal_get_form',
@@ -617,13 +615,23 @@ function islandora_preprocess_islandora_default(&$variables) {
     $pid = $islandora_object->id;
     $id = $ds->id;
     $label = $ds->label;
-    $download_path = 'islandora/object/' . $pid . '/datastream/' . $id . '/download';
+    if($ds->controlGroup != 'R') {
+      $download_path = 'islandora/object/' . $pid . '/datastream/' . $id . '/download';
+    }
+    else {
+      $download_path = $ds->url;
+    }
     $datastreams[$id]['id'] = $id;
     $datastreams[$id]['label'] = $label;
     $datastreams[$id]['label_link'] = l($label, $download_path);
     $datastreams[$id]['download_url'] = $download_path;
     $datastreams[$id]['mimetype'] = $ds->mimetype;
-    $datastreams[$id]['size'] = islandora_convert_bytes_to_human_readable($ds->size);
+    if($ds->controlGroup == 'M' || $ds->controlGroup == 'X') {
+      $datastreams[$id]['size'] = islandora_convert_bytes_to_human_readable($ds->size);
+    }
+    else {
+      $datastreams[$id]['size'] = '-';
+    }
     $datastreams[$id]['created_date'] = $ds->createdDate->format("Y-m-d");
     $datastreams[$id]['class'] = strtolower(preg_replace('/[^A-Za-z0-9]/', '-', $id));
   }
@@ -679,9 +687,9 @@ function islandora_preprocess_islandora_default_edit(&$variables) {
   // $variables['add_datastream_form'] = drupal_get_form('islandora_add_datastream_form', $islandora_object->id);
   $header = array(
     array('data' => t('ID')),
+    array('data' => t('Label')),
     array('data' => t('Type')),
     array('data' => t('Mime type')),
-    array('data' => t('Label')),
     array('data' => t('Size')),
     array('data' => t('Operations'), 'colspan' => '2'),
       //array('data' => t('Delete')),
@@ -690,11 +698,11 @@ function islandora_preprocess_islandora_default_edit(&$variables) {
   $rows = array();
   foreach ($islandora_object as $ds) {
     $rows[] = array(
-      array('class' => 'datastream-id', 'data' => l($ds->id, $base_url . '/islandora/object/' . $islandora_object->id . '/datastream/' . $ds->id . '/view')),
-      array('class' => 'datastream-control', 'data' => $ds->controlGroup),
+      array('class' => 'datastream-id', 'data' => $ds->id),
+      array('class' => 'datastream-label', 'data' => l($ds->label, $ds->controlGroup != 'R' ? $base_url . '/islandora/object/' . $islandora_object->id . '/datastream/' . $ds->id . '/view' : $ds->url)),
+      array('class' => 'datastream-control', 'data' => islandora_control_group_to_human_readable($ds->controlGroup)),
       array('class' => 'datastream-mime', 'data' => $ds->mimeType),
-      array('class' => 'datastream-label', 'data' => l($ds->label, $base_url . '/islandora/object/' . $islandora_object->id . '/datastream/' . $ds->id . '/view')),
-      array('class' => 'datastream-size', 'data' => islandora_convert_bytes_to_human_readable($ds->size)),
+      array('class' => 'datastream-size', 'data' => $ds->controlGroup == 'M' || $ds->controlGroup == 'X' ? islandora_convert_bytes_to_human_readable($ds->size) : '-'),
       array('class' => 'datastream-download', 'data' => l(t('download'), $base_url . '/islandora/object/' . $islandora_object->id . '/datastream/' . $ds->id . '/download')),
       array('class' => 'datastream-delete', 'data' => l(t('delete'), $base_url . '/islandora/object/' . $islandora_object->id . '/datastream/' . $ds->id . '/delete')),
     );