moodle/lib/classes/output/file_picker.php
2024-06-26 23:00:33 +08:00

108 lines
3.7 KiB
PHP

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
namespace core\output;
use core\context\user as context_user;
use moodle_url;
use stdClass;
/**
* Data structure representing a file picker.
*
* @copyright 2010 Dongsheng Cai
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.0
* @package core
* @category output
*/
class file_picker implements renderable {
/**
* @var stdClass An object containing options for the file picker
*/
public $options;
/**
* Constructs a file picker object.
*
* The following are possible options for the filepicker:
* - accepted_types (*)
* - return_types (FILE_INTERNAL)
* - env (filepicker)
* - client_id (uniqid)
* - itemid (0)
* - maxbytes (-1)
* - maxfiles (1)
* - buttonname (false)
*
* @param stdClass $options An object containing options for the file picker.
*/
public function __construct(stdClass $options) {
global $CFG, $USER, $PAGE;
require_once($CFG->dirroot . '/repository/lib.php');
$defaults = [
'accepted_types' => '*',
'return_types' => FILE_INTERNAL,
'env' => 'filepicker',
'client_id' => uniqid(),
'itemid' => 0,
'maxbytes' => -1,
'maxfiles' => 1,
'buttonname' => false,
];
foreach ($defaults as $key => $value) {
if (empty($options->$key)) {
$options->$key = $value;
}
}
$options->currentfile = '';
if (!empty($options->itemid)) {
$fs = get_file_storage();
$usercontext = context_user::instance($USER->id);
if (empty($options->filename)) {
if ($files = $fs->get_area_files($usercontext->id, 'user', 'draft', $options->itemid, 'id DESC', false)) {
$file = reset($files);
}
} else {
$file = $fs->get_file($usercontext->id, 'user', 'draft', $options->itemid, $options->filepath, $options->filename);
}
if (!empty($file)) {
$options->currentfile = html_writer::link(moodle_url::make_draftfile_url(
$file->get_itemid(),
$file->get_filepath(),
$file->get_filename(),
), $file->get_filename());
}
}
// Initialise options, getting files in root path.
$this->options = initialise_filepicker($options);
// Copying other options.
foreach ($options as $name => $value) {
if (!isset($this->options->$name)) {
$this->options->$name = $value;
}
}
}
}
// Alias this class to the old name.
// This file will be autoloaded by the legacyclasses autoload system.
// In future all uses of this class will be corrected and the legacy references will be removed.
class_alias(file_picker::class, \file_picker::class);