From 0cbebaf5e157c30412b6b74b37192cae6ea582e1 Mon Sep 17 00:00:00 2001
From: andrew morton <drewish@katherinehouse.com>
Date: Fri, 30 Dec 2011 18:26:11 -0500
Subject: [PATCH] Issue #1150184 by tedfordgif and drewish: Add Entity API
 support to enable Search API integration.

---
 computed_field.module |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/computed_field.module b/computed_field.module
index f9931be..1d6f40c 100644
--- a/computed_field.module
+++ b/computed_field.module
@@ -25,11 +25,36 @@ function computed_field_field_info() {
       ),
       'default_widget' => 'computed',
       'default_formatter' => 'computed_field_default',
+      // If we followed the core convention of separate fields for each data
+      // type we could make Entity API happy by just setting a property_type.
+      // Instead we have to use our own callback to determine the type then
+      // rerun theirs to setup the rest of the field properties.
+      'property_callbacks' => array('computed_field_entity_property_callback'),
     ),
   );
 }
 
 /**
+ * Callback to setup Entity API's field properties.
+ */
+function computed_field_entity_property_callback(&$info, $entity_type, $field, $instance, $field_type) {
+  $property_types = array(
+    'int' => 'integer',
+    'float' => 'decimal', 'numeric' => 'decimal',
+    'varchar' => 'text', 'text' => 'text', 'longtext' => 'text',
+  );
+  if (isset($property_types[$field['columns']['value']['type']])) {
+    // Entity API's defaults are pretty good so set the property_type and let
+    // them do the work for us.
+    $field_type['property_type'] = $property_types[$field['columns']['value']['type']];
+    entity_metadata_field_default_property_callback($info, $entity_type, $field, $instance, $field_type);
+    // The only thing is that a setter doesn't make sense, so let's disable it.
+    $property = &$info[$entity_type]['bundles'][$instance['bundle']]['properties'][$field['field_name']];
+    unset($property['setter callback']);
+  }
+}
+
+/**
  * Implements of hook_field_settings_form().
  */
 function computed_field_field_settings_form($field, $instance, $has_data) {
-- 
1.7.7.4