From 9051718d69e842c553c1a7d30cfddddb1d147eab Mon Sep 17 00:00:00 2001
From: Pierre Buyle <pierre@buyle.org>
Date: Mon, 14 Nov 2011 10:21:02 +0100
Subject: [PATCH] Issue #1276258 by mongolito404: Completely hide empty field collections.

---
 field_collection.module |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/field_collection.module b/field_collection.module
index a43a559..92dff9b 100644
--- a/field_collection.module
+++ b/field_collection.module
@@ -687,6 +687,7 @@ function field_collection_field_formatter_info() {
         'delete' => t('Delete'),
         'add' => t('Add'),
         'description' => TRUE,
+        'hide_empty' => FALSE,
       ),
     ),
     'field_collection_view' => array(
@@ -698,6 +699,7 @@ function field_collection_field_formatter_info() {
         'add' => t('Add'),
         'description' => TRUE,
         'view_mode' => 'full',
+        'hide_empty' => FALSE,
       ),
     ),
     'field_collection_fields' => array(
@@ -705,6 +707,7 @@ function field_collection_field_formatter_info() {
       'field types' => array('field_collection'),
       'settings' =>  array(
         'view_mode' => 'full',
+        'hide_empty' => FALSE,
       ),
     ),
   );
@@ -763,6 +766,13 @@ function field_collection_field_formatter_settings_form($field, $instance, $view
     );
   }
 
+  $elements['hide_empty'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Hide empty collection'),
+    '#default_value' => $settings['hide_empty'],
+    '#description' => t('If enabled, nothing will be displayed for an empty collection (not even the add link).'),
+  );
+
   return $elements;
 }
 
@@ -801,6 +811,11 @@ function field_collection_field_formatter_view($entity_type, $entity, $field, $i
   $element = array();
   $settings = $display['settings'];
 
+  // Don't display anything for an empty collection.
+  if (empty($items) && !empty($settings['hide_empty'])) {
+    return NULL;
+  }
+
   switch ($display['type']) {
     case 'field_collection_list':
 
-- 
1.7.1