moodle/mod/workshop/fileinfolib.php

114 lines
3.4 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/>.
/**
* Defines workshop_file_info class
*
* @package mod-workshop
* @copyright 2009 David Mudrak <david.mudrak@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Represents virtual root node for all submissions
*
* Workshop submission uses two fileareas: workshop_submission_content
* for editor's embeded media and workshop_submission_attachment for attachments.
* In both, the itemid represents the submission id.
*/
class workshop_file_info_submissions_container extends file_info {
protected $course;
protected $cm;
protected $areas;
protected $filearea;
public function __construct($browser, $course, $cm, $context, $areas, $filearea) {
parent::__construct($browser, $context);
$this->course = $course;
$this->cm = $cm;
$this->areas = $areas;
$this->filearea = $filearea;
}
/**
* Returns list of standard virtual file/directory identification.
* The difference from stored_file parameters is that null values
* are allowed in all fields
* @return array with keys contextid, filearea, itemid, filepath and filename
*/
public function get_params() {
return array('contextid'=>$this->context->id,
'component'=>'mod_workshop',
'filearea' =>$this->filearea,
'itemid' =>null,
'filepath' =>null,
'filename' =>null);
}
/**
* Returns localised visible name.
* @return string
*/
public function get_visible_name() {
return $this->areas[$this->filearea];
}
/**
* Can I add new files or directories?
* @return bool
*/
public function is_writable() {
return false;
}
/**
* Is directory?
* @return bool
*/
public function is_directory() {
return true;
}
/**
* Returns list of children.
* @return array of file_info instances
*/
public function get_children() {
global $DB;
$children = array();
$itemids = $DB->get_records('files', array('contextid' => $this->context->id, 'component' => 'mod_workshop', 'filearea' => $this->filearea),
'itemid', "DISTINCT itemid");
foreach ($itemids as $itemid => $unused) {
if ($child = $this->browser->get_file_info($this->context, $this->filearea, $itemid)) {
$children[] = $child;
}
}
return $children;
}
/**
* Returns parent file_info instance
* @return file_info or null for root
*/
public function get_parent() {
return $this->browser->get_file_info($this->context);
}
}