0) {
if (!_gallery_init(TRUE)) {
return $text;
}
$default['n'] = variable_get('gallery_filter_n_images', 1);
$default['type'] = variable_get('gallery_filter_default_block_type', 'recentImage');
$default['maxsize'] = variable_get('gallery_filter_default_maxsize', GALLERY_FILTER_MAXSIZE_DEFAULT);
$default['exactsize'] = variable_get('gallery_filter_default_exactsize', GALLERY_FILTER_EXACTSIZE_DEFAULT);
$default['class'] = variable_get('gallery_filter_default_div_class', 'nowrap');
$default['album_frame'] = variable_get('gallery_filter_default_album_frame', 'none');
$default['item_frame'] = variable_get('gallery_filter_default_item_frame', 'none');
$default['show'] = variable_get('gallery_filter_default_show', array('none'));
$default['target'] = variable_get('gallery_filter_default_link_target', '');
$default['link'] = variable_get('gallery_filter_default_link', '');
}
else {
return $text;
}
$head_array = array();
// Loop over all matches
foreach ($matches as $match) {
// First argument is numeric => valid G2 filter tag
if (is_numeric($match[1])) {
$args = array_filter(preg_split('/[\s,]+/', $match[2]));
$params = array('itemId' => intval($match[1]));
// If this item is not an album (e.g. photo, movie, ...) set block type to 'specificItem'
$details = gallery_item_details($params['itemId']);
if (isset($details['g2type']) && $details['g2type'] != 'GalleryAlbumItem') {
$params['n'] = 1;
$params['type'] = 'specificItem';
}
if (preg_match('/user(:([\d]+))?/i', $params['itemId'], $param_uid)) {
require_once(drupal_get_path('module', 'gallery') .'/gallery_user.inc');
$params['itemId'] = gallery_user_useralbum(isset($param_uid[2]) ? $param_uid[2] : NULL, FALSE);
}
// Loop over all (optional) arguments
foreach ($args as $arg) {
list($key, $value) = array_filter(explode('=', $arg));
if (!empty($value)) {
$key = strtolower(preg_replace('/\W/', '', $key));
$params[$key] = _gallery_filter_sanitize($key, $value);
}
}
// Treat 'maxsize' and 'size' as the same
if (isset($params['size'])) {
$params['maxsize'] = $params['size'];
unset($params['size']);
}
// Carefully treat the default size method (cannot just merge them as the
// entered value must take precedence over the default)
if (isset($params['maxsize'])) {
unset($default['exactsize']);
}
else if (isset($params['exactsize'])) {
unset($default['maxsize']);
}
// Merge params with default values
$params = array_merge($default, $params);
// Transform 'type' into a valid parameter
if ($params['n'] > 1 && $params['type'] == 'specificItem') {
$params['type'] = $default['type'];
}
if (is_array($params['type'])) {
// Ensure 'type' contains 'n' elements (auto-append if necessary)
$count = count($params['type']);
if (($num = $params['n'] - $count) > 0) {
$params['type'] += array_fill($count, $num, end($params['type']));
}
}
else {
$params['type'] = array_fill(0, $params['n'], $params['type']);
}
// 'frame' overrides 'album_frame' and 'item_frame'
if ($params['frame']) {
$params['album_frame'] = $params['item_frame'] = $params['frame'];
}
// Convert into G2-compatible arguments
$params['blocks'] = implode('|', $params['type']);
if (isset($params['maxsize']) && !empty($params['maxsize'])) {
$params['maxSize'] = $params['maxsize'];
}
else if (isset($params['exactsize']) && !empty($params['exactsize'])) {
$params['exactSize'] = $params['exactsize'];
}
$params['albumFrame'] = $params['album_frame'];
$params['itemFrame'] = $params['item_frame'];
$params['show'] = implode('|', $params['show']);
$params['linkTarget'] = $params['target'];
// Unset redundant parameters
unset(
$params['n'],
$params['type'],
$params['exactsize'],
$params['maxsize'],
$params['frame'],
$params['album_frame'],
$params['item_frame'],
$params['target']
);
gallery_debug($params, t('Filter parameters'));
// Fetch the images and format output
list($ret, $content, $head) = GalleryEmbed::getBlock('imageblock', 'ImageBlock', $params);
if ($ret) {
gallery_error(t('Error trying to get image block.'), $ret);
continue;
}
$content = trim($content);
if (!empty($content)) {
$params['class'] = 'giImageBlock'. ($params['class'] ? ' '. $params['class'] : '');
$content = ''. $content .'
';
// Allow other modules to alter the filter output
drupal_alter('gallery_filter', $content, array('params' => $params));
}
// Replace G2 filter tag with image block html (or at least remove filter tag)
$text = str_replace($match[0], $content, $text);
if ($head) {
$head_array[] = trim($head);
}
}
}
// Add html head items and css
if (count($head_array)) {
gallery_set_head(implode("\n", array_unique($head_array)));
}
GalleryEmbed::done();
return $text .'
';
}
/**
* Function _gallery_filter_sanitize().
* (sanitize filter parameters)
*/
function _gallery_filter_sanitize($key, $value) {
switch ($key) {
case 'n':
case 'size':
case 'maxsize':
case 'exactsize':
return intval(preg_replace('/\D/', '', $value));
case 'class':
case 'frame':
case 'album_frame':
case 'item_frame':
case 'target':
case 'link':
return preg_replace('/\W/', '', $value);
case 'type':
case 'show':
return explode('|', preg_replace('/[^\w\x7c]/', '', $value));
default :
return check_plain($value);
}
return $value;
}