Stop sending 'unused' bytarget

[mkdru-moved-to-drupal.org.git] / mkdru.module

diff --git a/mkdru.module b/mkdru.module
index f9b89ed..e477eab 100644 (file)
--- a/mkdru.module
+++ b/mkdru.module
@@ -10,15 +10,53 @@
 function mkdru_node_info() {
   return array(
     'mkdru' => array(
-      'name' => t("Pazpar2 metasearch interface"),
-      'base' => 'mkdru',
+      'name'        => t("Pazpar2 metasearch interface"),
+      'base'        => 'mkdru',
       'description' => t("Metasearch interface for Z39.50/SRU and other targets via a Pazpar2/Service Proxy backend"),
     )
   );
 }
 
-function mkdru_ting_search_show($params) {
-   $path = drupal_get_path('module', 'mkdru');
+/**
+ * Implements hook_search_info()
+ */
+function mkdru_search_info() {
+  return array(
+    'title'               => 'Meta search',
+    'path'                => 'meta',
+    'conditions_callback' => 'mkdru_search_conditions_callback',
+  );
+}
+
+/**
+ * Implements hook_search_page()
+ */
+function mkdru_search_page($results) {
+  $output['prefix']['#markup'] = theme('mkdru_results');
+  $output['suffix']['#markup'] = '';
+  return $output;
+}
+
+/**
+ * Implements hook_ding_facetbrowser()
+ */
+function mkdru_ding_facetbrowser() {
+       $results             = new stdClass();
+  $results->facets     = array();
+  $results->show_empty = TRUE; # Show an empty facetbrowser block, even if search didn't return any results
+  return $results;
+}
+
+/**
+ * Search callback function that is invoked by search_view()
+ */
+function mkdru_search_conditions_callback($keys) {}
+
+/**
+ * Implement hook_search_execute()
+ */
+function mkdru_search_execute($keys = NULL, $conditions = NULL) {
+  $path = drupal_get_path('module', 'mkdru');
   // Include client library.
   drupal_add_js(variable_get('pz2_js_path', 'pazpar2/js') . '/pz2.js',
     array('type' => 'file', 'scope' => 'footer'));
@@ -27,11 +65,17 @@ function mkdru_ting_search_show($params) {
     array('type' => 'file', 'scope' => 'footer'));
   drupal_add_js($path . '/mkdru.client.js',
     array('type' => 'file', 'scope' => 'footer'));
-  $html = theme('mkdru_results');
-  drupal_add_js(array('mkdru' => 
-    array('use_sessions' => '1', 'query' => $params['keys']
-    )), 'setting');
-  return array("content" => $html);
+  drupal_add_js(array('mkdru' =>
+    array(
+      'use_sessions' => variable_get('use_sessions', '1'),
+      'pz2_path'     => variable_get('pz2_path', '/pazpar2/search.pz2'),
+      'sp_user'      => variable_get('sp_user', ''),
+      'sp_pass'      => variable_get('sp_pass', ''),
+      'query'        => $keys,
+    )
+  ), 'setting');
+
+  return array();
 }
 
 /**
@@ -245,7 +289,7 @@ function mkdru_node_revision_delete($node) {
 function mkdru_delete($node) {
   // Deleting by nid covers all revisions.
   db_delete('mkdru')
-    ->condition('nid', $nid->nid)
+    ->condition('nid', $node->nid)
     ->execute();
 }
 
@@ -298,7 +342,7 @@ function theme_mkdru_js(&$variables) {
   drupal_add_js(variable_get('pz2_js_path', 'pazpar2/js') . '/pz2.js', array(
     'type' => 'file', 'scope' => 'footer', 'defer' => TRUE, 'preprocess' => FALSE));
   // jQuery plugin for query string/history manipulation.
-  drupal_add_library('overlay', 'jquery-bbq');
+  drupal_add_library('system', 'jquery.bbq');
   drupal_add_js($path . '/mkdru.theme.js', array(
     'type' => 'file', 'scope' => 'footer', 'defer' => TRUE, 'preprocess' => FALSE));
   drupal_add_js($path . '/mkdru.client.js', array(
@@ -334,13 +378,13 @@ function mkdru_view($node, $view_mode) {
 * Implements hook_block_info()
 */
 function mkdru_block_info() {
-  // NB: block caching is redundant for static content
-  $blocks['mkdru_sources']['info'] = t('mkdru - source facets');
-  $blocks['mkdru_sources']['cache'] = DRUPAL_NO_CACHE;
-  $blocks['mkdru_subjects']['info'] = t('mkdru - subject facets');
-  $blocks['mkdru_subjects']['cache'] = DRUPAL_NO_CACHE;
-  $blocks['mkdru_authors']['info'] = t('mkdru - author facets');
-  $blocks['mkdru_authors']['cache'] = DRUPAL_NO_CACHE;
+  // facet blocks
+  $facets = variable_get('mkdru_facets');
+  foreach ($facets as $facet) {
+    // NB: block caching is redundant for static content
+    $blocks['mkdru_facet_' . $facet]['info'] = "mkdru - $facet " . t('facet');
+    $blocks['mkdru_facet_' . $facet]['cache'] = DRUPAL_NO_CACHE;
+  }
 
   // search blocks
   $result = db_query("SELECT title, nid FROM {node} WHERE type = 'mkdru';");
@@ -349,6 +393,7 @@ function mkdru_block_info() {
         t('mkdru - search box for "' . $node->title . '"');
     $blocks['mkdru_sources']['cache'] = DRUPAL_NO_CACHE;
   };
+
   return $blocks;
 }
 
@@ -356,24 +401,14 @@ function mkdru_block_info() {
 * Implements hook_block_view()
 */
 function mkdru_block_view($delta) {
-  switch ($delta) {
-    case 'mkdru_sources':
-      $block['subject'] = t('Source');
-      $block['content'] = theme('mkdru_block_facet',
-                                array('class' => 'mkdru-facet-source'));
-      return $block;
-    case 'mkdru_subjects':
-      $block['subject'] = t('Subject');
-      $block['content'] = theme('mkdru_block_facet',
-                                array('class' => 'mkdru-facet-subject'));
-      return $block;
-    case 'mkdru_authors':
-      $block['subject'] = t('Author');
-      $block['content'] = theme('mkdru_block_facet',
-                                array('class' => 'mkdru-facet-author'));
-      return $block;
-    }
-  if (substr($delta, 0, 13) == 'mkdru_search_') {
+  if (substr($delta, 0, 12) == 'mkdru_facet_') {
+    $facet = substr($delta, 12);
+    $block['subject'] = t(ucwords($facet));
+    $block['content'] = theme('mkdru_block_facet',
+                               array('class' => 'mkdru-facet-' . $facet));
+    return $block;
+  }
+  elseif (substr($delta, 0, 13) == 'mkdru_search_') {
     $nid = substr($delta, 13);
     $block['content'] = theme('mkdru_block_search',
         array('nid' => $nid, 'path' => '/node/' . $nid));