repository/dropbox/thumbnail.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  * This script displays one thumbnail of the image in current user's dropbox.
  20  * If {@link repository_dropbox::send_thumbnail()} can not display image
  21  * the default 64x64 filetype icon is returned
  22  *
  23  * @package    repository_dropbox
  24  * @copyright  2012 Marina Glancy
  25  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  26  */
  27
  28 require(__DIR__.'/../../config.php');
  29 require_once(__DIR__.'/lib.php');
  30
  31 $repoid     = optional_param('repo_id', 0, PARAM_INT);           // Repository ID
  32 $contextid = optional_param('ctx_id', SYSCONTEXTID, PARAM_INT); // Context ID
  33 $source    = optional_param('source', '', PARAM_TEXT);          // File path in current user's dropbox
  34
  35 $thumbnailavailable = isloggedin();
  36 $thumbnailavailable = $thumbnailavailable && $repoid;
  37 $thumbnailavailable = $thumbnailavailable && $source;
  38 $thumbnailavailable = $thumbnailavailable && ($repo = repository::get_repository_by_id($repoid, $contextid));
  39 $thumbnailavailable = $thumbnailavailable && method_exists($repo, 'send_thumbnail');
  40 if ($thumbnailavailable) {
  41     // Try requesting thumbnail and outputting it.
  42     // This function exits if thumbnail was retrieved.
  43     $repo->send_thumbnail($source);
  44 }
  45
  46 // Send default icon for the file type.
  47 $fileicon = file_extension_icon($source, 64);
  48 send_file($CFG->dirroot . '/pix/' . $fileicon . '.png', basename($fileicon) . '.png');