public function get_visible_name()
{
if ($this->lf->get_filepath() === '/' and $this->lf->get_filename() === '.') {
return $this->topvisiblename;
}
return parent::get_visible_name();
}
/**
* Returns list of children which are either files matching the specified extensions
* or folders that contain at least one such file.
*
* @param string|array $extensions, either '*' or array of lowercase extensions, i.e. array('.gif','.jpg')
* @return array of file_info instances
*/
public function get_non_empty_children($extensions = '*')
{
$items = $this->gallery->get_items();
$result = array();
foreach ($items as $item) {
$file = $item->get_file();
$extension = core_text::strtolower(pathinfo($file->get_filename(), PATHINFO_EXTENSION));
if ($file->is_directory() || $extensions === '*' || !empty($extension) && in_array('.' . $extension, $extensions)) {
$fileinfo = new file_info_stored($this->browser, $this->context, $file, $this->urlbase, $this->topvisiblename, $this->itemidused, $this->readaccess, $this->writeaccess, false);
if (!$file->is_directory() || $fileinfo->count_non_empty_children($extensions)) {
$result[] = $fileinfo;
}
}
}
return $result;
}
/**
* Constructor
*
* @param file_browser $browser file browser instance
* @param stdClass $context context object
* @param stored_file $storedfile stored_file instance
*/
public function __construct($browser, $context, $storedfile)
{
global $CFG;
$urlbase = $CFG->wwwroot . '/file.php';
parent::__construct($browser, $context, $storedfile, $urlbase, get_string('coursefiles'), false, true, true, false);
}
/**
* Returns list of children which are either files matching the specified extensions
* or folders that contain at least one such file.
*
* @param string|array $extensions, either '*' or array of lowercase extensions, i.e. array('.gif','.jpg')
* @return array of file_info instances
*/
public function get_non_empty_children($extensions = '*')
{
$result = array();
if (!$this->lf->is_directory()) {
return $result;
}
$fs = get_file_storage();
$storedfiles = $fs->get_directory_files($this->context->id, $this->lf->get_component(), $this->lf->get_filearea(), $this->lf->get_itemid(), $this->lf->get_filepath(), false, true, "filepath, filename");
foreach ($storedfiles as $file) {
$extension = core_text::strtolower(pathinfo($file->get_filename(), PATHINFO_EXTENSION));
if ($file->is_directory() || $extensions === '*' || !empty($extension) && in_array('.' . $extension, $extensions)) {
$fileinfo = new file_info_stored($this->browser, $this->context, $file, $this->urlbase, $this->topvisiblename, $this->itemidused, $this->readaccess, $this->writeaccess, false);
if (!$file->is_directory() || $fileinfo->count_non_empty_children($extensions)) {
$result[] = $fileinfo;
}
}
}
return $result;
}