function bookmark_tools_build_select_options($folders, $depth = 0)
{
$result = array();
if (!empty($folders)) {
foreach ($folders as $index => $level) {
/**
* $level contains
* folder: the folder on this level
* children: potential children
*
*/
if ($folder = elgg_extract("bmfolder", $level)) {
$result[$folder->getGUID()] = str_repeat("-", $depth) . $folder->title;
}
if ($childen = elgg_extract("children", $level)) {
$result += bookmark_tools_build_select_options($childen, $depth + 1);
}
}
}
return $result;
}
<?php
$folder_guid = (int) get_input('bmfolder_guid');
$container_guid = elgg_extract("container_guid", $vars, elgg_get_page_owner_guid());
$current_folder = elgg_extract("bmfolder", $vars, $folder_guid);
$type = elgg_extract("type", $vars);
unset($vars["bmfolder"]);
unset($vars["type"]);
unset($vars["container_guid"]);
if ($type == 'bmfolder') {
if (!elgg_extract("value", $vars)) {
if (!empty($current_folder)) {
$vars["value"] = get_entity($current_folder)->parent_guid;
}
}
} elseif (!elgg_extract("value", $vars)) {
$vars["value"] = $current_folder;
}
$folders = bookmark_tools_get_folders($container_guid);
$options = array(0 => elgg_echo("bookmark_tools:input:folder_select:main"));
if (!empty($folders)) {
$options = $options + bookmark_tools_build_select_options($folders, 1);
}
$vars["options_values"] = $options;
echo elgg_view("input/dropdown", $vars);