function apachesolr_search_form_alter in Apache Solr Search 5.2

Implementation of hook_form_alter().

This adds options to the apachesolr admin form.

File

./apachesolr_search.module, line 853

Provides a content search implementation for node content for use with the Apache Solr search application.

Code

function apachesolr_search_form_alter($form_id, &$form) {
  switch ($form_id) {
    case 'apachesolr_delete_index_form':
      if ($form_values['op'] == t('Delete the index')) {

        // In D6: $form['submit']['#submit'][] = 'apaechesolr_search_build_spellcheck';
        $form['#submit']['apachesolr_search_build_spellcheck'] = array();
      }
      break;
    case 'search_form':
      if ($form['module']['#value'] == 'apachesolr_search') {
        $form['#submit']['apachesolr_search_form_search_submit'] = array();

        // No other modification make sense unless a query is active.
        // Note - this means that the query must always be run before
        // calling drupal_get_form('search_form').
        $apachesolr_has_searched = apachesolr_has_searched();
        $queryvalues = array();
        if ($apachesolr_has_searched) {
          $query = apachesolr_current_query();
          $queryvalues = $query
            ->get_url_queryvalues();
        }
        $form['basic']['apachesolr_search']['#tree'] = TRUE;
        $form['basic']['apachesolr_search']['queryvalues'] = array(
          '#type' => 'hidden',
          '#default_value' => serialize($queryvalues),
        );
        $form['basic']['apachesolr_search']['get'] = array(
          '#type' => 'hidden',
          '#default_value' => serialize(array_diff_key($_GET, array(
            'q' => 1,
            'page' => 1,
            'filters' => 1,
            'solrsort' => 1,
            'retain-filters' => 1,
          ))),
        );
        if ($queryvalues || isset($_POST['apachesolr_search']['retain-filters'])) {
          $form['basic']['apachesolr_search']['retain-filters'] = array(
            '#type' => 'checkbox',
            '#title' => t('Retain current filters'),
            '#default_value' => (int) isset($_GET['retain-filters']),
          );
        }
        if (variable_get('apachesolr_search_spellcheck', FALSE) && $apachesolr_has_searched && ($response = apachesolr_static_response_cache())) {

          //Get spellchecker suggestions into an array.
          if (isset($response->spellcheck->suggestions) && $response->spellcheck->suggestions) {
            $suggestions = get_object_vars($response->spellcheck->suggestions);
            if ($suggestions) {

              //Get the original query and replace words.
              $query = apachesolr_current_query();
              foreach ($suggestions as $word => $value) {
                $replacements[$word] = $value->suggestion[0];
              }
              $new_keywords = strtr($query
                ->get_query_basic(), $replacements);

              // Show only if suggestion is different than current query.
              if ($query
                ->get_query_basic() != $new_keywords) {
                $form['basic']['suggestion'] = array(
                  '#prefix' => '<div class="spelling-suggestions">',
                  '#suffix' => '</div>',
                  '#type' => 'item',
                  '#title' => t('Did you mean'),
                  '#value' => l($new_keywords, $query
                    ->get_path($new_keywords)),
                );
              }
            }
          }
        }
      }
      break;
    case 'search_block_form':
      if (variable_get('apachesolr_search_make_default', 0)) {
        if (!isset($form['#submit'])) {
          $form['#submit']['apachesolr_search_search_box_form_submit'] = array();
        }
        else {
          $key = isset($form['#submit']['search_box_form_submit']) ? 'search_box_form_submit' : FALSE;
          if ($key !== FALSE) {

            // Replace the search module's function.
            unset($form['#submit'][$key]);
            $form['#submit']['apachesolr_search_search_box_form_submit'] = array();
          }
        }
      }
      break;
    case 'search_theme_form':
      apachesolr_search_form_alter('search_block_form', $form);
      break;
    case 'apachesolr_settings':
      $form['advanced']['apachesolr_search_make_default'] = array(
        '#type' => 'radios',
        '#title' => t('Make Apache Solr Search the default'),
        '#default_value' => variable_get('apachesolr_search_make_default', 0),
        '#options' => array(
          0 => t('Disabled'),
          1 => t('Enabled'),
        ),
        '#description' => t('Hides core node search, and makes the search block submit to Apache Solr Search'),
      );
      $form['advanced']['apachesolr_search_default_previous'] = array(
        '#type' => 'value',
        '#value' => variable_get('apachesolr_search_make_default', 0),
      );
      $form['advanced']['apachesolr_search_taxonomy_links'] = array(
        '#type' => 'radios',
        '#title' => t('Use Apache Solr for taxonomy links'),
        '#default_value' => variable_get('apachesolr_search_taxonomy_links', 0),
        '#description' => t('Note: Vocabularies that need this behavior need to be checked off on the <a href="@enabled_filters_url">enabled filters</a> settings page', array(
          '@enabled_filters_url' => url('admin/settings/apachesolr/enabled-filters'),
        )),
        '#options' => array(
          0 => t('Disabled'),
          1 => t('Enabled'),
        ),
      );
      $form['advanced']['apachesolr_search_taxonomy_previous'] = array(
        '#type' => 'value',
        '#value' => variable_get('apachesolr_search_taxonomy_links', 0),
      );
      $form['apachesolr_search_spellcheck'] = array(
        '#type' => 'checkbox',
        '#title' => t('Enable spellchecker and suggestions'),
        '#default_value' => variable_get('apachesolr_search_spellcheck', FALSE),
        '#description' => t('Enable spellchecker and get word suggestions. Also known as the "Did you mean ... ?" feature.'),
      );
      $form['#submit']['apachesolr_search_build_spellcheck'] = array();
      $form['#submit']['apachesolr_search_make_default_submit'] = array();

      // Move buttons to the bottom.
      $buttons = $form['buttons'];
      unset($form['buttons']);
      $form['buttons'] = $buttons;
      break;
    case 'search_admin_settings':
      $form['indexing_throttle']['search_cron_limit']['#options']['0'] = '0';
      ksort($form['indexing_throttle']['search_cron_limit']['#options']);
      break;
  }
}