From c53352108b11d98b66737802a0f3333a56d0b521 Mon Sep 17 00:00:00 2001
From: rWatcher <rwatcher@australia.edu>
Date: Tue, 12 Jan 2010 03:05:49 -0500
Subject: [PATCH] Hide the delete button when there's nothing to delete.

---
 modules/tagfaces/controllers/tagfaces.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/modules/tagfaces/controllers/tagfaces.php b/modules/tagfaces/controllers/tagfaces.php
index 116c4d99..801a20bb 100644
--- a/modules/tagfaces/controllers/tagfaces.php
+++ b/modules/tagfaces/controllers/tagfaces.php
@@ -294,7 +294,12 @@ class tagfaces_Controller extends Controller {
                  ->label(t("Select the notes you wish to delete:"));
     }
 
-    $form->submit("DeleteFace")->value(t("Delete face(s) / note(s)"));
+    // Hide the delete button when there's nothing to delete.
+    if (($array_notes) || ($array_faces)) {
+      $form->submit("DeleteFace")->value(t("Delete face(s) / note(s)"));
+    } else {
+      $form->group("NoFacesNotes")->label(t("There is nothing to delete for this photo."));
+    }
 
     // Return the newly generated form.
     return $form;