--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/facetapi/adapter.inc	Mon Jun 08 10:21:54 2015 +0200
@@ -0,0 +1,217 @@
+<?php
+
+/**
+ * @file
+ * Classes used by the Facet API module.
+ */
+
+/**
+ * Facet API adapter for the Apache Solr Search Integration module.
+ */
+class solrsearchFacetapiAdapter extends FacetapiAdapter {
+
+  /**
+   * Returns the path to the admin settings for a given realm.
+   *
+   * @param string $realm_name
+   *   The name of the realm.
+   *
+   * @return string
+   *   The path to the admin settings.
+   */
+  public function getPath($realm_name) {
+    $path = 'admin/config/search/solrsearch/settings';
+    // $adapter will be an instance of class FacetapiAdapter
+    if ($adapter = menu_get_object('facetapi_adapter', 4)) {
+      // Get the environment ID from the machine name of the searcher.
+      $env_id = ltrim(strstr($adapter->getSearcher(), '@'), '@');
+      $path .= '/' . $env_id . '/facets';
+      // Add the realm name to the path if it is not the first one in the list.
+      if (key(facetapi_get_realm_info()) != $realm_name) {
+        $path .= '/' . $realm_name;
+      }
+    }
+    return $path;
+  }
+
+  /**
+   * Allows the backend to initialize its query object before adding the facet
+   * filters.
+   *
+   * @param mixed $query
+   *   The backend's native object.
+   */
+  function initActiveFilters($query) {
+    $enabled_facets = facetapi_get_enabled_facets($this->info['name']);
+    if ($enabled_facets) {
+      $query->addParam('facet', 'true');
+      $query->addParam('facet.sort', 'count');
+      $query->addParam('facet.mincount', '1');
+    }
+  }
+
+  /**
+   * Returns a boolean flagging whether $this->_searcher executed a search.
+   */
+  public function searchExecuted() {
+    // Initial check - has ANY solr query run in our environment.
+    $env_id = $this->info['instance'];
+    $this_has_searched = solrsearch_has_searched($env_id);
+    // Secondary check - do we have results for this searcher?
+    $this_has_searched = $this_has_searched && solrsearch_static_response_cache($this->getSearcher());
+    return $this_has_searched;
+  }
+
+  /**
+   * Suppress output of the realm
+   *
+   * @param string $realm_name
+   *
+   * @return bool $flag
+   *   Returns if it was suppressed or not
+   */
+  public function suppressOutput($realm_name) {
+    $flag = FALSE;
+    //dpm("suppressoutput");
+    if ($realm_name == 'block') {
+      //dpm($this->info);
+      $env_id = $this->info['instance'];
+      $flag = solrsearch_suppress_blocks($env_id);
+      //dpm($env_id);
+      //dpm($flag);
+
+    }
+    return FALSE;
+    return $flag || !$this->searchExecuted();  }
+
+  /**
+   * Returns the search keys.
+   *
+   * @return string
+   */
+  public function getSearchKeys() {
+    if (NULL === $this->keys) {
+      $env_id = $this->info['instance'];
+      if ($query = solrsearch_current_query($env_id)) {
+        return $query->getParam('q');
+      }
+    }
+    else {
+      return $this->keys;
+    }
+    return FALSE;
+  }
+
+  /**
+   * Returns the search path.
+   *
+   * @return string
+   *   A string containing the search path.
+   *
+   * @todo D8 should provide an API function for this.
+   */
+  public function getSearchPath() {
+    $env_id = $this->info['instance'];
+    $query = solrsearch_current_query($env_id);
+    if (!$query || (NULL === $this->searchPath && NULL === $query->getPath())) {
+      if ($path = module_invoke($this->info['module'] . '_search', 'search_info')) {
+        $this->searchPath = 'search/' . $path['path'];
+        if (!isset($_GET['keys']) && ($keys = $this->getSearchKeys())) {
+          $this->searchPath .= '/' . $keys;
+        }
+      }
+    }
+    if (!$query || NULL === $query->getPath()) {
+      return $this->searchPath;
+    }
+    else {
+      return $query->getPath();
+    }
+
+  }
+
+  /**
+   * Returns the number of total results found for the current search.
+   *
+   * @return bool|int
+   *   Number of results or false if no search response was found
+   */
+  public function getResultCount() {
+    $response = solrsearch_static_response_cache($this->getSearcher());
+    if ($response) {
+      return $response->response->numFound;
+    }
+    return FALSE;
+  }
+
+  /**
+   * Allows for backend specific overrides to the settings form.
+   *
+   * @param array $form
+   * @param array $form_state
+   */
+  public function settingsForm(&$form, &$form_state) {
+    $form['#validate'][] = 'solrsearch_facet_form_validate';
+  }
+
+
+  /**
+   * Allows the backend to add facet queries to its native query object.
+   *
+   * This method is called by the implementing module to initialize the facet
+   * display process. The following actions are taken:
+   * - FacetapiAdapter::initActiveFilters() hook is invoked.
+   * - Dependency plugins are instantiated and executed.
+   * - Query type plugins are executed.
+   *
+   * @param mixed $query
+   *   The backend's native query object.
+   *
+   * @todo Should this method be deprecated in favor of one name init()? This
+   *   might make the code more readable in implementing modules.
+   *
+   * @see FacetapiAdapter::initActiveFilters()
+   */
+  function addActiveFilters($query) {
+    module_load_include('inc', 'solrsearch', 'facetapi.callbacks');
+    facetapi_add_active_searcher($this->info['name']);
+
+    // Invoke initActiveFilters hook.
+    $this->initActiveFilters($query);
+
+
+    foreach ($this->getEnabledFacets() as $facet) {
+
+      $settings = $this->getFacet($facet)->getSettings();
+
+      // Instantiate and execute dependency plugins.
+      $display = TRUE;
+      foreach ($facet['dependency plugins'] as $id) {
+        $class = ctools_plugin_load_class('facetapi', 'dependencies', $id, 'handler');
+        $plugin = new $class($id, $this, $facet, $settings, $this->activeItems['facet']);
+        if (NULL !== ($return = $plugin->execute())) {
+          $display = $return;
+        }
+      }
+
+      // Store whether this facet passed its dependencies.
+      $this->dependenciesPassed[$facet['name']] = $display;
+
+      // Execute query type plugin if dependencies were met, otherwise remove
+      // the facet's active items so they don't display in the current search
+      // block or appear as active in the breadcrumb trail.
+      if ($display && $this->queryTypes[$facet['name']]) {
+        $this->queryTypes[$facet['name']]->execute($query);
+      }
+      else {
+        foreach ($this->activeItems['facet'][$facet['name']] as $item) {
+          $this->urlProcessor->removeParam($item['pos']);
+          $filter = $item['field alias'] . ':' . $item['value'];
+          unset($this->activeItems['filter'][$filter]);
+        }
+        $this->activeItems['facet'][$facet['name']] = array();
+      }
+        }
+
+  }
+}