COLORADO-1203 Added in permission settings for adding streams to an o…

…bject

The "Add" button functionality is not availble to users that have
'add fedora datastreams' permissions set on their Drupal accounts.  The changes
made disable the "Add" button and do not install a click handler unless this
permission is set for the user.

ADRCollection.inc

@@ -98,6 +98,7 @@ class ADRCollection {
     $canEditObjects = user_access("edit fedora meta data");
     $canEditPermissions = user_access("Edit XACML Policies");
     $canEditChildPermissions = user_access("Edit XACML Policies");
+    $canAddStream = user_access("add fedora datastreams");
     $canDeleteObject = user_access("purge objects and datastreams");
     $canDeleteStream = user_access("purge objects and datastreams");
     $canEditStream = user_access("edit fedora meta data");
@@ -109,6 +110,7 @@ class ADRCollection {
         "UserCollectionPermissions.manage_canEditPermissions=" . ($canEditPermissions ? "true" : "false") . ";" .
         "UserCollectionPermissions.manage_canEditChildPermissions=" . ($canEditChildPermissions ? "true" : "false") . ";" .
         "UserCollectionPermissions.manage_canDeleteObject=" . ($canDeleteObject ? "true" : "false") . ";" .
+        "UserCollectionPermissions.datastream_canAddStream=" . ($canAddStream ? "true" : "false") . ";" .
         "UserCollectionPermissions.datastream_canEditStream=" . ($canEditStream ? "true" : "false") . ";" .
         "UserCollectionPermissions.datastream_canDeleteStream=" . ($canDeleteStream ? "true" : "false") . ";";
     drupal_add_js($permissions_block, 'inline');

js/Manage.js

@@ -73,16 +73,20 @@ Manage = Ext.extend(ManageUi, {
       }]
     });
 
+    add.disable();
     edit.disable();
     remove.disable();
 
     details.updateDetails = function(record) {
       this.tpl.overwrite(this.body, record.data);
     }
 
-    add.addListener('click', function(button, event) {
-      gotoFilesIngestPage(ADRCollection.pid);
-    });
+    if (UserCollectionPermissions.datastream_canAddStream) {
+      add.enable();
+      add.addListener('click', function(button, event) {
+        gotoFilesIngestPage(ADRCollection.pid);
+      });
+    }
 
     download.addListener('click', function(button, event) {
       var records = viewer.getSelectedRecords();