From 240b9d0e488f52e2d520693b3ea7be49457fdcc3 Mon Sep 17 00:00:00 2001
From: James Silver <jamsilver@gmail.com>
Date: Fri, 19 Oct 2012 13:38:45 +0100
Subject: [PATCH] Issue #1817620 by jamsilver: Added support for entity module's property info api.

---
 metatag.module |   65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 65 insertions(+), 0 deletions(-)

diff --git a/metatag.module b/metatag.module
index 4cfe352..35893b1 100644
--- a/metatag.module
+++ b/metatag.module
@@ -776,6 +776,71 @@ function metatag_entity_info_alter(&$info) {
 }
 
 /**
+ * Implements hook_entity_property_info_alter().
+ */
+function metatag_entity_property_info_alter(&$entity_info) {
+  $info = array();
+
+  $properties = &$info['node']['properties'];
+
+  // Describe our metatags property on any entity type.
+  $properties['metatags'] = array(
+    'label' => t("Metatags"),
+    'description' => t("Meta-data about a node which is consumed and displayed by search engines."),
+    'getter callback' => 'metatags_entity_metadata_get_properties',
+    'setter callback' => 'entity_property_verbatim_set',
+    'auto creation' => 'entity_property_create_array',
+    'type' => 'struct',
+    'property info' => array(
+      'title' => array(
+        'label' => t("Title"),
+        'description' => t("A comma-separated list of keywords about the page. This meta tag is not supported by most search engines."),
+        'getter callback' => 'metatags_entity_metadata_get_properties',
+        'setter callback' => 'metatags_entity_metadata_set_properties',
+        'type' => 'text',
+      ),
+      'description' => array(
+        'label' => t("Description"),
+        'description' => t("A comma-separated list of keywords about the page. This meta tag is not supported by most search engines."),
+        'getter callback' => 'metatags_entity_metadata_get_properties',
+        'setter callback' => 'metatags_entity_metadata_set_properties',
+        'type' => 'text',
+      ),
+      'keywords' => array(
+        'label' => t("Keywords"),
+        'description' => t("A comma-separated list of keywords about the page. This meta tag is not supported by most search engines."),
+        'getter callback' => 'metatags_entity_metadata_get_properties',
+        'setter callback' => 'metatags_entity_metadata_set_properties',
+        'type' => 'text',
+      ),
+    ),
+  );
+
+  return $info;
+}
+
+/**
+ * Gets the property from the given data. Entity metadata getter callback.
+ */
+function metatags_entity_metadata_get_properties($data = FALSE, array $options, $name) {
+  switch ($name) {
+    case 'metatags':
+      return !empty($data->metatags) ? $data->metatags : array();
+    default:
+      return isset($data[$name]['value']) ? $data[$name]['value'] : '';
+  }
+}
+
+/**
+ * Sets the property to the given value. Entity metadata setter callback.
+ */
+function metatags_entity_metadata_set_properties(&$data, $name, $value, $langcode, $type, $info) {
+  $data[$name] = array(
+    'value' => $value,
+  );
+}
+
+/**
  * Given a path determine if it is an entity default path.
  *
  * @param $path
-- 
1.7.1