<?php

// $Id: search.pages.inc,v 1.4 2007/12/06 09:51:01 goba Exp $

/**

 * @file

 * User page callbacks for the search module.

 */

/**

 * Menu callback; presents the search form and/or search results.

 */

function search_view($type = 'node') {

  // Search form submits with POST but redirects to GET. This way we can keep

  // the search query URL clean as a whistle:

  // search/type/keyword+keyword

  if (!isset($_POST['form_id'])) {

    if ($type == '') {

      // Note: search/node can not be a default tab because it would take on the

      // path of its parent (search). It would prevent remembering keywords when

      // switching tabs. This is why we drupal_goto to it from the parent instead.

      drupal_goto('search/node');

    }

    $keys = search_get_keys();

    // Only perform search if there is non-whitespace search term:

    $results = '';

    if (trim($keys)) {

      // Log the search keys:

      watchdog('search', '%keys (@type).', array('%keys' => $keys, '@type' => module_invoke($type, 'search', 'name')), WATCHDOG_NOTICE, l(t('results'), 'search/'. $type .'/'. $keys));

      // Collect the search results:

      $results = search_data($keys, $type);

      if ($results) {

        $results = theme('box', t('Search results'), $results);

      }

      else {

        $results = theme('box', t('Your search yielded no results'), search_help('search#noresults', drupal_help_arg()));

      }

    }

    // Construct the search form.

    $output = drupal_get_form('search_form', NULL, $keys, $type);

    $output .= $results;

    return $output;

  }

  return drupal_get_form('search_form', NULL, empty($keys) ? '' : $keys, $type);

}

/**

 * Process variables for search-results.tpl.php.

 *

 * The $variables array contains the following arguments:

 * - $results

 * - $type

 *

 * @see search-results.tpl.php

 */

function template_preprocess_search_results(&$variables) {

  $variables['search_results'] = '';

  foreach ($variables['results'] as $result) {

    $variables['search_results'] .= theme('search_result', $result, $variables['type']);

  }

  $variables['pager'] = theme('pager', NULL, 10, 0);

  // Provide alternate search results template.

  $variables['template_files'][] = 'search-results-'. $variables['type'];

}

/**

 * Process variables for search-result.tpl.php.

 *

 * The $variables array contains the following arguments:

 * - $result

 * - $type

 *

 * @see search-result.tpl.php

 */

function template_preprocess_search_result(&$variables) {

  $result = $variables['result'];

  $variables['url'] = check_url($result['link']);

  $variables['title'] = check_plain($result['title']);

  $info = array();

  if (!empty($result['type'])) {

    $info['type'] = check_plain($result['type']);

  }

  if (!empty($result['user'])) {

    $info['user'] = $result['user'];

  }

  if (!empty($result['date'])) {

    $info['date'] = format_date($result['date'], 'small');

  }

  if (isset($result['extra']) && is_array($result['extra'])) {

    $info = array_merge($info, $result['extra']);

  }

  // Check for existence. User search does not include snippets.

  $variables['snippet'] = isset($result['snippet']) ? $result['snippet'] : '';

  // Provide separated and grouped meta information..

  $variables['info_split'] = $info;

  $variables['info'] = implode(' - ', $info);

  // Provide alternate search result template.

  $variables['template_files'][] = 'search-result-'. $variables['type'];

}

/**

 * As the search form collates keys from other modules hooked in via

 * hook_form_alter, the validation takes place in _submit.

 * search_form_validate() is used solely to set the 'processed_keys' form

 * value for the basic search form.

 */

function search_form_validate($form, &$form_state) {

  form_set_value($form['basic']['inline']['processed_keys'], trim($form_state['values']['keys']), $form_state);

}

/**

 * Process a search form submission.

 */

function search_form_submit($form, &$form_state) {

  $keys = $form_state['values']['processed_keys'];

  if ($keys == '') {

    form_set_error('keys', t('Please enter some keywords.'));

    // Fall through to the drupal_goto() call.

  }

  $type = $form_state['values']['module'] ? $form_state['values']['module'] : 'node';

  $form_state['redirect'] = 'search/'. $type .'/'. $keys;

  return;

}