updated to 7.x-1.11

contrib/search_api_facetapi/plugins/facetapi/adapter.inc

@@ -109,7 +109,12 @@ class SearchApiFacetapiAdapter extends FacetapiAdapter {
   public function addFacet(array $facet, SearchApiQueryInterface $query) {
     if (isset($this->fields[$facet['name']])) {
       $options = &$query->getOptions();
-      $options['search_api_facets'][$facet['name']] = $this->fields[$facet['name']];
+      $facet_info = $this->fields[$facet['name']];
+      if (!empty($facet['query_options'])) {
+        // Let facet-specific query options override the set options.
+        $facet_info = $facet['query_options'] + $facet_info;
+      }
+      $options['search_api_facets'][$facet['name']] = $facet_info;
     }
   }
 
@@ -139,7 +144,7 @@ class SearchApiFacetapiAdapter extends FacetapiAdapter {
       // I suspect that http://drupal.org/node/593658 would help.
       // For now, just taking the first current search for this index. :-/
       foreach (search_api_current_search() as $search) {
-        list($query, $results) = $search;
+        list($query) = $search;
         if ($query->getIndex()->machine_name == $index_id) {
           $this->current_search = $search;
         }
@@ -196,7 +201,6 @@ class SearchApiFacetapiAdapter extends FacetapiAdapter {
    */
   public function settingsForm(&$form, &$form_state) {
     $facet = $form['#facetapi']['facet'];
-    $realm = $form['#facetapi']['realm'];
     $facet_settings = $this->getFacet($facet)->getSettings();
     $options = $facet_settings->settings;
     $search_ids = variable_get('search_api_facets_search_ids', array());
@@ -205,6 +209,7 @@ class SearchApiFacetapiAdapter extends FacetapiAdapter {
       $form['global']['default_true'] = array(
         '#type' => 'select',
         '#title' => t('Display for searches'),
+        '#prefix' => '<div class="facetapi-global-setting">',
         '#options' => array(
           TRUE => t('For all except the selected'),
           FALSE => t('Only for the selected'),
@@ -214,6 +219,7 @@ class SearchApiFacetapiAdapter extends FacetapiAdapter {
       $form['global']['facet_search_ids'] = array(
         '#type' => 'select',
         '#title' => t('Search IDs'),
+        '#suffix' => '</div>',
         '#options' => $search_ids,
         '#size' => min(4, count($search_ids)),
         '#multiple' => TRUE,
@@ -246,9 +252,25 @@ class SearchApiFacetapiAdapter extends FacetapiAdapter {
         '#type' => 'select',
         '#title' => t('Granularity'),
         '#description' => t('Determine the maximum drill-down level'),
+        '#prefix' => '<div class="facetapi-global-setting">',
+        '#suffix' => '</div>',
         '#options' => $granularity_options,
         '#default_value' => isset($options['date_granularity']) ? $options['date_granularity'] : FACETAPI_DATE_MINUTE,
       );
     }
+
+    // Add an "Exclude" option for terms.
+    if(!empty($facet['query types']) && in_array('term', $facet['query types'])) {
+      $form['global']['operator']['#weight'] = -2;
+      unset($form['global']['operator']['#suffix']);
+      $form['global']['exclude'] = array(
+        '#type' => 'checkbox',
+        '#title' => t('Exclude'),
+        '#description' => t('Make the search exclude selected facets, instead of restricting it to them.'),
+        '#suffix' => '</div>',
+        '#weight' => -1,
+        '#default_value' => !empty($options['exclude']),
+      );
+    }
   }
 }