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   1  <?php
   2  // $Id: search.pages.inc,v 1.4 2007/12/06 09:51:01 goba Exp $
   3  
   4  /**
   5   * @file
   6   * User page callbacks for the search module.
   7   */
   8  
   9  /**
  10   * Menu callback; presents the search form and/or search results.
  11   */
  12  function search_view($type = 'node') {
  13    // Search form submits with POST but redirects to GET. This way we can keep
  14    // the search query URL clean as a whistle:
  15    // search/type/keyword+keyword
  16    if (!isset($_POST['form_id'])) {
  17      if ($type == '') {
  18        // Note: search/node can not be a default tab because it would take on the
  19        // path of its parent (search). It would prevent remembering keywords when
  20        // switching tabs. This is why we drupal_goto to it from the parent instead.
  21        drupal_goto('search/node');
  22      }
  23  
  24      $keys = search_get_keys();
  25      // Only perform search if there is non-whitespace search term:
  26      $results = '';
  27      if (trim($keys)) {
  28        // Log the search keys:
  29        watchdog('search', '%keys (@type).', array('%keys' => $keys, '@type' => module_invoke($type, 'search', 'name')), WATCHDOG_NOTICE, l(t('results'), 'search/'. $type .'/'. $keys));
  30  
  31        // Collect the search results:
  32        $results = search_data($keys, $type);
  33  
  34        if ($results) {
  35          $results = theme('box', t('Search results'), $results);
  36        }
  37        else {
  38          $results = theme('box', t('Your search yielded no results'), search_help('search#noresults', drupal_help_arg()));
  39        }
  40      }
  41  
  42      // Construct the search form.
  43      $output = drupal_get_form('search_form', NULL, $keys, $type);
  44      $output .= $results;
  45  
  46      return $output;
  47    }
  48  
  49    return drupal_get_form('search_form', NULL, empty($keys) ? '' : $keys, $type);
  50  }
  51  
  52  /**
  53   * Process variables for search-results.tpl.php.
  54   *
  55   * The $variables array contains the following arguments:
  56   * - $results
  57   * - $type
  58   *
  59   * @see search-results.tpl.php
  60   */
  61  function template_preprocess_search_results(&$variables) {
  62    $variables['search_results'] = '';
  63    foreach ($variables['results'] as $result) {
  64      $variables['search_results'] .= theme('search_result', $result, $variables['type']);
  65    }
  66    $variables['pager'] = theme('pager', NULL, 10, 0);
  67    // Provide alternate search results template.
  68    $variables['template_files'][] = 'search-results-'. $variables['type'];
  69  }
  70  
  71  /**
  72   * Process variables for search-result.tpl.php.
  73   *
  74   * The $variables array contains the following arguments:
  75   * - $result
  76   * - $type
  77   *
  78   * @see search-result.tpl.php
  79   */
  80  function template_preprocess_search_result(&$variables) {
  81    $result = $variables['result'];
  82    $variables['url'] = check_url($result['link']);
  83    $variables['title'] = check_plain($result['title']);
  84  
  85    $info = array();
  86    if (!empty($result['type'])) {
  87      $info['type'] = check_plain($result['type']);
  88    }
  89    if (!empty($result['user'])) {
  90      $info['user'] = $result['user'];
  91    }
  92    if (!empty($result['date'])) {
  93      $info['date'] = format_date($result['date'], 'small');
  94    }
  95    if (isset($result['extra']) && is_array($result['extra'])) {
  96      $info = array_merge($info, $result['extra']);
  97    }
  98    // Check for existence. User search does not include snippets.
  99    $variables['snippet'] = isset($result['snippet']) ? $result['snippet'] : '';
 100    // Provide separated and grouped meta information..
 101    $variables['info_split'] = $info;
 102    $variables['info'] = implode(' - ', $info);
 103    // Provide alternate search result template.
 104    $variables['template_files'][] = 'search-result-'. $variables['type'];
 105  }
 106  
 107  /**
 108   * As the search form collates keys from other modules hooked in via
 109   * hook_form_alter, the validation takes place in _submit.
 110   * search_form_validate() is used solely to set the 'processed_keys' form
 111   * value for the basic search form.
 112   */
 113  function search_form_validate($form, &$form_state) {
 114    form_set_value($form['basic']['inline']['processed_keys'], trim($form_state['values']['keys']), $form_state);
 115  }
 116  
 117  /**
 118   * Process a search form submission.
 119   */
 120  function search_form_submit($form, &$form_state) {
 121    $keys = $form_state['values']['processed_keys'];
 122    if ($keys == '') {
 123      form_set_error('keys', t('Please enter some keywords.'));
 124      // Fall through to the drupal_goto() call.
 125    }
 126  
 127    $type = $form_state['values']['module'] ? $form_state['values']['module'] : 'node';
 128    $form_state['redirect'] = 'search/'. $type .'/'. $keys;
 129    return;
 130  }