From 0279b4ac298483712bdfbdd9c329862c230c84a0 Mon Sep 17 00:00:00 2001
From: that0n3guy <peter@quadputer>
Date: Thu, 29 Sep 2011 13:14:29 -0500
Subject: [PATCH] added entityreference compatability

---
 acdx_entityreference/acdx_entityreference.info   |   16 +++
 acdx_entityreference/acdx_entityreference.module |  128 ++++++++++++++++++++++
 2 files changed, 144 insertions(+), 0 deletions(-)
 create mode 100644 acdx_entityreference/acdx_entityreference.info
 create mode 100644 acdx_entityreference/acdx_entityreference.module

diff --git a/acdx_entityreference/acdx_entityreference.info b/acdx_entityreference/acdx_entityreference.info
new file mode 100644
index 0000000..c8a82bf
--- /dev/null
+++ b/acdx_entityreference/acdx_entityreference.info
@@ -0,0 +1,16 @@
+; $Id$
+name = Autocomplete Deluxe Entity References Widget
+description = Autocomplete Deluxe widget implementation for entity references.
+package = User interface
+project = acdx_references
+version = VERSION
+core = 7.x
+files[] = acdx_entityreference.module
+dependencies[] = autocomplete_deluxe
+dependencies[] = entityreference
+; Information added by drupal.org packaging script on 2011-08-11
+version = "7.x-1.0-beta3"
+core = "7.x"
+project = "acdx_references"
+datestamp = "1313055415"
+
diff --git a/acdx_entityreference/acdx_entityreference.module b/acdx_entityreference/acdx_entityreference.module
new file mode 100644
index 0000000..46fac99
--- /dev/null
+++ b/acdx_entityreference/acdx_entityreference.module
@@ -0,0 +1,128 @@
+<?php
+// $Id$
+
+/**
+ * Implements hook_field_widget_info().
+ */
+function acdx_entityreference_field_widget_info() {
+  $widgets['entityreference_autocomplete_deluxe'] = array(
+    'label' => t('Autocomplete Deluxe'),
+    'description' => t('An autocomplete text field - with deluxe behavior.'),
+    'field types' => array('entityreference'),
+    'settings' => array(
+      'match_operator' => 'CONTAINS',
+      'size' => 60,
+      // We don't have a default here, because it's not the same between
+      // the two widgets, and the Field API doesn't update default
+      // settings when the widget changes.
+      'path' => '',
+    ),
+  );
+
+  return $widgets;
+}
+
+/**
+ * Implements hook_field_widget_info_alter().
+ */
+function acdx_entityreference_field_widget_info_alter(&$info) {
+  $info['options_select']['field types'][] = 'entityreference';
+  $info['options_buttons']['field types'][] = 'entityreference';
+}
+
+
+/**
+ * Implements hook_field_widget_settings_form().
+ */
+function acdx_entityreference_field_widget_settings_form($field, $instance) {
+  $widget = $instance['widget'];
+  $settings = $widget['settings'] + field_info_widget_settings($widget['type']);
+
+  $form = array();
+
+  if ($widget['type'] == 'entityreference_autocomplete_deluxe') {
+    $form['match_operator'] = array(
+      '#type' => 'select',
+      '#title' => t('Autocomplete matching'),
+      '#default_value' => $settings['match_operator'],
+      '#options' => array(
+        'STARTS_WITH' => t('Starts with'),
+        'CONTAINS' => t('Contains'),
+      ),
+      '#description' => t('Select the method used to collect autocomplete suggestions. Note that <em>Contains</em> can cause performance issues on sites with thousands of nodes.'),
+    );
+    $form['size'] = array(
+      '#type' => 'textfield',
+      '#title' => t('Size of textfield'),
+      '#default_value' => $settings['size'],
+      '#element_validate' => array('_element_validate_integer_positive'),
+      '#required' => TRUE,
+    );
+  }
+
+  return $form;
+}
+
+
+/**
+ * Implements hook_field_widget_form().
+ */
+function acdx_entityreference_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
+  $handler = entityreference_get_handler($field);
+  if ($instance['widget']['type'] == 'entityreference_autocomplete_deluxe') {
+    // We let the Field API handles multiple values for us, only take
+    // care of the one matching our delta.
+    if (isset($items[$delta])) {
+      $items = array($items[$delta]);
+    }
+    else {
+      $items = array();
+    }
+    
+    $entity_ids = array();
+    $entity_labels = array();
+
+    // Build an array of entities ID.
+    foreach ($items as $item) {
+      $entity_ids[] = $item['target_id'];
+    }
+
+    // Load those entities and loop through them to extract their labels.
+    $entities = entity_load($field['settings']['target_type'], $entity_ids);
+
+    foreach ($entities as $entity_id => $entity) {
+      $label = $handler->getLabel($entity);
+      $key = "$label ($entity_id)";
+      // Labels containing commas or quotes must be wrapped in quotes.
+      if (strpos($key, ',') !== FALSE || strpos($key, '"') !== FALSE) {
+        $key = '"' . str_replace('"', '""', $key) . '"';
+      }
+      $entity_labels[] = $key;
+    }
+    if ($instance['widget']['type'] == 'entityreference_autocomplete_deluxe') {
+      $path = !empty($instance['widget']['settings']['path']) ? $instance['widget']['settings']['path'] : 'entityreference/autocomplete/single';
+      $element += array(
+        '#type' => 'autocomplete_deluxe',
+        '#maxlength' => 1024,
+        '#default_value' => implode(', ', $entity_labels),
+        '#autocomplete_deluxe_path' => url($path . '/' . $field['field_name'] . '/' . $instance['entity_type'] . '/' . $instance['bundle'], array('absolute' => TRUE)),
+        '#size' => $instance['widget']['settings']['size'],
+        '#element_validate' => array('_entityreference_autocomplete_validate'),
+      );
+      return array('target_id' => $element);
+    }
+  }
+}
+
+function _acdx_entityreference_autocomplete_validate($element, &$form_state, $form) {
+  // If a value was entered into the autocomplete...
+  $value = '';
+  if (!empty($element['#value'])) {
+    // Take "label (entity id)', match the id from parenthesis.
+    if (preg_match("/.+\((\d+)\)/", $element['#value'], $matches)) {
+      $value = $matches[1];
+    }
+  }
+  // Update the value of this element so the field can validate the product IDs.
+  form_set_value($element, $value, $form_state);
+}
\ No newline at end of file
-- 
1.7.0.4