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<?php
// $Id$
/**
* @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) ? array() : $keys, $type);
}
/**
* Format the result page of a search query.
*
* Modules may implement hook_search_page() in order to override this default
* function to display search results. In that case it is expected they provide
* their own themeable functions.
*
* @param $results
* All search result as returned by hook_search().
* @param $type
* The type of item found, such as "user" or "node".
*
* @ingroup themeable
*/
function theme_search_page($results, $type) {
$output = '<dl class="search-results">';
foreach ($results as $entry) {
$output .= theme('search_item', $entry, $type);
}
$output .= '</dl>';
$output .= theme('pager', NULL, 10, 0);
return $output;
}
/**
* Format a single result entry of a search query. This function is normally
* called by theme_search_page() or hook_search_page().
*
* @param $item
* A single search result as returned by hook_search(). The result should be
* an array with keys "link", "title", "type", "user", "date", and "snippet".
* Optionally, "extra" can be an array of extra info to show along with the
* result.
* @param $type
* The type of item found, such as "user" or "node".
*
* @ingroup themeable
*/
function theme_search_item($item, $type) {
$output = ' <dt class="title"><a href="'. check_url($item['link']) .'">'. check_plain($item['title']) .'</a></dt>';
$info = array();
if (!empty($item['type'])) {
$info[] = $item['type'];
}
if (!empty($item['user'])) {
$info[] = $item['user'];
}
if (!empty($item['date'])) {
$info[] = format_date($item['date'], 'small');
}
if (isset($item['extra']) && is_array($item['extra'])) {
$info = array_merge($info, $item['extra']);
}
$output .= ' <dd>'. (!empty($item['snippet']) ? '<p>'. $item['snippet'] .'</p>' : '') .'<p class="search-info">'. implode(' - ', $info) .'</p></dd>';
return $output;
}
/**
* As the search form collates keys from other modules hooked in via
* hook_form_alter, the validation takes place in _submit.
* search_form_validate() is used solely to set the 'processed_keys' form
* value for the basic search form.
*/
function search_form_validate($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;
}
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