dyslabpro · March 5, 2013 08:25 · Mar 5, 2013
diff --git a/gistfile1.php b/gistfile1.php
@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * Implements hook_field_formatter_info().
+ */
+function custom_content_management_field_formatter_info() {
+  return array(
+    'custom_boolean' => array(
+      'label' => t('Custom boolean'),
+      'field types' => array('list_boolean'),
+    ),
+  );
+}
+
+/**
+ * Implements hook_field_formatter_view().
+ */
+function custom_content_management_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
+  $element = array();
+
+  switch ($display['type']) {
+    case 'custom_boolean':
+      $allowed_values = list_allowed_values($field, $instance, $entity_type, $entity);
+      foreach ($items as $delta => $item) {
+        //Check if empty
+        if(empty($allowed_values[$item['value']])){
+          continue;
+        }
+        if (isset($allowed_values[$item['value']])) {
+          $output = field_filter_xss($allowed_values[$item['value']]);
+        }
+        else {
+          // If no match was found in allowed values, fall back to the key.
+          $output = field_filter_xss($item['value']);
+        }
+        $element[$delta] = array('#markup' => $output);
+      }
+      break;
+
+
+  }
+
+  return ((count($element)) ? $element : FALSE);
+}