materio-base-d7/sites/all/modules/contrib/fields/entityreference/1354482-er-user-roles-19.patch

diff --git a/plugins/selection/EntityReference_SelectionHandler_Generic.class.php b/plugins/selection/EntityReference_SelectionHandler_Generic.class.php
index 7db4045..f3ff067 100644
--- a/plugins/selection/EntityReference_SelectionHandler_Generic.class.php
+++ b/plugins/selection/EntityReference_SelectionHandler_Generic.class.php
@@ -307,6 +307,27 @@ class EntityReference_SelectionHandler_Generic_node extends EntityReference_Sele
  * This only exists to workaround core bugs.
  */
 class EntityReference_SelectionHandler_Generic_user extends EntityReference_SelectionHandler_Generic {
+  /**
+   * Implements EntityReferenceHandler::settingsForm().
+   */
+  public static function settingsForm($field, $instance) {
+    $settings = $field['settings']['handler_settings'];
+    $form = parent::settingsForm($field, $instance);
+    $form['referenceable_roles'] = array(
+      '#type' => 'checkboxes',
+      '#title' => t('User roles that can be referenced'),
+      '#default_value' => isset($settings['referenceable_roles']) ? array_filter($settings['referenceable_roles']) : array(),
+      '#options' => user_roles(TRUE),
+    );
+    $form['referenceable_status'] = array(
+      '#type' => 'checkboxes',
+      '#title' => t('User status that can be referenced'),
+      '#default_value' => isset($settings['referenceable_status']) ? array_filter($settings['referenceable_status']) : array('active' => 'active'),
+      '#options' => array('active' => t('Active'), 'blocked' => t('Blocked')),
+    );
+    return $form;
+  }
+
   public function buildEntityFieldQuery($match = NULL, $match_operator = 'CONTAINS') {
     $query = parent::buildEntityFieldQuery($match, $match_operator);
 
@@ -315,21 +336,33 @@ class EntityReference_SelectionHandler_Generic_user extends EntityReference_Sele
       $query->propertyCondition('name', $match, $match_operator);
     }
 
-    // Adding the 'user_access' tag is sadly insufficient for users: core
-    // requires us to also know about the concept of 'blocked' and
-    // 'active'.
-    if (!user_access('administer users')) {
-      $query->propertyCondition('status', 1);
+    $field = $this->field;
+    $settings = $field['settings']['handler_settings'];
+    $referenceable_roles = isset($settings['referenceable_roles']) ? array_filter($settings['referenceable_roles']) : array();
+    $referenceable_status = isset($settings['referenceable_status']) ? array_filter($settings['referenceable_status']) : array('active' => 'active');
+
+    // If this filter is not filled, use the users access permissions.
+    if (empty($referenceable_status)) {
+      // Adding the 'user_access' tag is sadly insufficient for users: core
+      // requires us to also know about the concept of 'blocked' and 'active'.
+      if (!user_access('administer users')) {
+        $query->propertyCondition('status', 1);
+      }
+    }
+    elseif (count($referenceable_status) == 1) {
+      $values = array('active' => 1, 'blocked' => 0);
+      $query->propertyCondition('status', $values[key($referenceable_status)]);
     }
+
     return $query;
   }
 
   public function entityFieldQueryAlter(SelectQueryInterface $query) {
+    $conditions = &$query->conditions();
     if (user_access('administer users')) {
-      // In addition, if the user is administrator, we need to make sure to
+      // If the user is administrator, we need to make sure to
       // match the anonymous user, that doesn't actually have a name in the
       // database.
-      $conditions = &$query->conditions();
       foreach ($conditions as $key => $condition) {
         if ($condition['field'] == 'users.name') {
           // Remove the condition.
@@ -356,6 +389,19 @@ class EntityReference_SelectionHandler_Generic_user extends EntityReference_Sele
         }
       }
     }
+
+    $field = $this->field;
+    $settings = $field['settings']['handler_settings'];
+    $referenceable_roles = isset($settings['referenceable_roles']) ? array_filter($settings['referenceable_roles']) : array();
+    if (!$referenceable_roles || !empty($referenceable_roles[DRUPAL_AUTHENTICATED_RID])) {
+      // Return early if "authenticated user" choosen.
+      return;
+    }
+
+    if (!isset($referenceable_roles[DRUPAL_AUTHENTICATED_RID])) {
+      $query->join('users_roles', 'users_roles', 'users.uid = users_roles.uid');
+      $query->condition('users_roles.rid', array_keys($referenceable_roles), 'IN');
+    }
   }
 }