files/filebrowser_ajax.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * File manager support
  20  *
  21  * @package    core
  22  * @subpackage file
  23  * @copyright  2010 Dongsheng Cai <dongsheng@moodle.com>
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 define('AJAX_SCRIPT', true);
  28
  29 require('../config.php');
  30 require_once($CFG->libdir.'/filelib.php');
  31
  32 $action = optional_param('action', 'list', PARAM_ALPHA);
  33
  34 $PAGE->set_context(get_system_context());
  35 require_login();
  36
  37 echo $OUTPUT->header(); // send headers
  38
  39 $err = new stdClass();
  40 if (isguestuser()) {
  41     $err->error = get_string('noguest');
  42     die(json_encode($err));
  43 }
  44
  45 switch ($action) {
  46     // used by course file tree viewer
  47     case 'getfiletree':
  48         $contextid  = required_param('contextid', PARAM_INT);
  49         $component  = required_param('component', PARAM_COMPONENT);
  50         $filearea   = required_param('filearea', PARAM_AREA);
  51         $itemid     = required_param('itemid', PARAM_INT);
  52         $filepath   = required_param('filepath', PARAM_PATH);
  53
  54         $browser = get_file_browser();
  55         $fileinfo = $browser->get_file_info(get_context_instance_by_id($contextid), $component, $filearea, $itemid, $filepath);
  56         $children = $fileinfo->get_children();
  57         $tree = array();
  58         foreach ($children as $child) {
  59             $filedate = $child->get_timemodified();
  60             $filesize = $child->get_filesize();
  61             $mimetype = $child->get_mimetype();
  62             $params = $child->get_params();
  63             $url = new moodle_url('/files/index.php', $params);
  64             $fileitem = array(
  65                     'params'=>$params,
  66                     'filename'=>$child->get_visible_name(),
  67                     'filedate'=>$filedate ? userdate($filedate) : '',
  68                     'filesize'=>$filesize ? display_size($filesize) : '',
  69                     );
  70             if ($child->is_directory()) {
  71                 $fileitem['isdir'] = true;
  72                 $fileitem['url'] = $url->out(false);
  73                 $fileitem['icon'] = $OUTPUT->pix_icon('f/folder', get_string('icon'));
  74             } else {
  75                 $fileitem['url'] = $child->get_url();
  76                 $fileitem['icon'] = $OUTPUT->pix_icon('f/'.mimeinfo('icon', $child->get_visible_name()), get_string('icon'));
  77             }
  78             $tree[] = $fileitem;
  79         }
  80         echo json_encode($tree);
  81         break;
  82
  83     default:
  84         break;
  85 }