'. $field['key'] .': '. search_excerpt($keys, $field['value']);
}
}
// put everything into the $results array
$title = reset($item['fields']);
$results[] = array(
'link' => gallery_generate_url(array('itemId' => $item['itemId']), FALSE),
'title' => empty($title['value']) ? t('Gallery item: Untitled') : $title['value'],
'snippet' => implode('
', $excerpt),
'thumbnail' => $thumbnail,
);
}
}
if ($html_head) {
drupal_set_html_head(implode("\n", array_unique($html_head)));
}
return $results;
}
}
/**
* Function _gallery_search_pager_search().
*/
function _gallery_search_pager_search(&$keys, $limit = 10, $element = 0) {
// adapted version of the pager_query() function (from /includes/pager.inc)
// for use with the Gallery2 search() function
//
global $pager_page_array, $pager_total, $pager_total_items;
$page = isset($_GET['page']) ? $_GET['page'] : '';
// convert comma-separated $page to an array, used by other functions.
$pager_page_array = explode(',', $page);
// we calculate the total of pages as ceil(items / limit).
$count = _gallery_search_perform($keys);
$pager_total_items[$element] = $count['count'];
$pager_total[$element] = ceil($pager_total_items[$element] / $limit);
$pager_page_array[$element] = max(0, min((int)$pager_page_array[$element], ((int)$pager_total[$element]) - 1));
return _gallery_search_perform($keys, $pager_page_array[$element] * $limit, $limit);
}
/**
* Function _gallery_search_perform().
*/
function _gallery_search_perform(&$keys, $offset = 0, $limit = -1) {
list($search_interface, $options) = _gallery_search_init();
if (!$search_interface) {
return array();
}
// extract query parameters
if ($fields = search_query_extract($keys, 'fields')) {
$keys = trim(preg_replace('/\s+fields:[\w,]*/', '', $keys));
}
$fields = $fields ? array_flip(explode(',', $fields)) : $options;
foreach ($fields as $key => $value) {
$fields[$key] = $key;
}
// perform the actual search
list($ret, $matches) = $search_interface->search($fields, $keys, $offset, $limit);
if ($ret) {
gallery_error(t('Error invoking search() method.'), $ret);
return array();
}
return $matches;
}
/**
* Function _gallery_search_form().
*/
function _gallery_search_form(&$form) {
list($search_interface, $options) = _gallery_search_init();
if (!count($options)) {
return;
}
// extend search form
$form['advanced'] = array(
'#type' => 'fieldset',
'#title' => t('Advanced search'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#attributes' => array('class' => 'search-advanced'),
);
$form['advanced']['fields'] = array(
'#type' => 'checkboxes',
'#title' => t('Only the following fields'),
'#prefix' => '',
'#suffix' => '
',
'#options' => $options,
);
$form['advanced']['submit'] = array(
'#type' => 'submit',
'#value' => t('Advanced search'),
'#prefix' => '',
'#suffix' => '
',
);
$form['#validate']['_gallery_search_validate'] = array();
}
/**
* Function _gallery_search_validate().
*/
function _gallery_search_validate($form_id, $form_values, $form) {
$keys = $form_values['processed_keys'];
// append field options to query
if (isset($form_values['fields']) && is_array($form_values['fields'])) {
$form_values['fields'] = array_filter($form_values['fields']);
if (count($form_values['fields'])) {
$keys = search_query_insert($keys, 'fields', implode(',', array_keys($form_values['fields'])));
form_set_value($form['basic']['inline']['processed_keys'], trim($keys));
}
}
}
/**
* Function _gallery_search_init().
*/
function _gallery_search_init() {
// init gallery
if (!_gallery_init(TRUE)) {
return array();
}
// create instance of search interface
list($ret, $search_interface) = GalleryCoreApi::newFactoryInstance('GallerySearchInterface_1_0');
if ($ret) {
gallery_error(t('Error creating instance of GallerySearchInterface. Make sure the \'Search\' plugin is enabled in Gallery2.'), $ret);
return array(NULL, array());
}
// get search module info
list($ret, $module_info) = $search_interface->getSearchModuleInfo();
if ($ret) {
gallery_error(t('Error getting \'Search\' module options.'), $ret);
return array(NULL, array());
}
$options = array();
foreach ($module_info['options'] as $module => $info) {
if ($info['enabled']) {
$options[$module] = $info['description'];
}
}
return array($search_interface, $options);
}
/**
* Function _gallery_search_page().
*/
function _gallery_search_page($results) {
$items_per_row = variable_get('gallery_search_num_per_row', 3);
$rows_per_pager = variable_get('gallery_search_rows_per_pager', 4);
$output = '';
$output .= t('Total Number of Matches: @count
', array('@count' => $results['count']));
unset($results['count']);
// arrange items as table
$rows = array();
$results = array_chunk($results, $items_per_row);
foreach ($results as $item_row) {
$row = array();
foreach ($item_row as $item) {
$row[] = array('data' => theme('gallery_search_item', $item));
}
$rows[] = $row;
}
$output .= theme('table', array(), $rows);
$output .= '
';
$output .= theme('pager', NULL, $items_per_row * $rows_per_pager, 0);
return $output;
}
/**
* Theme function : theme_gallery_search_item().
*/
function theme_gallery_search_item($item) {
$output = ' '. check_plain($item['title']) .'';
$output .= ''. $item['thumbnail'] .'
';
$output .= ' '. ($item['snippet'] ? ''. $item['snippet'] .'
' : '') .'';
return $output;
}