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   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 file plays the mediafile set in lesson settings.
  20   *
  21   *  If there is a way to use the resource class instead of this code, please change to do so
  22   *
  23   *
  24   * @package mod_lesson
  25   * @copyright  1999 onwards Martin Dougiamas  {@link http://moodle.com}
  26   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  27   **/
  28  
  29  require_once('../../config.php');
  30  require_once($CFG->dirroot.'/mod/lesson/locallib.php');
  31  
  32  $id = required_param('id', PARAM_INT);    // Course Module ID
  33  $printclose = optional_param('printclose', 0, PARAM_INT);
  34  
  35  $cm = get_coursemodule_from_id('lesson', $id, 0, false, MUST_EXIST);
  36  $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  37  $lesson = new lesson($DB->get_record('lesson', array('id' => $cm->instance), '*', MUST_EXIST), $cm);
  38  
  39  require_login($course, false, $cm);
  40  
  41  // Apply overrides.
  42  $lesson->update_effective_access($USER->id);
  43  
  44  $context = $lesson->context;
  45  $canmanage = $lesson->can_manage();
  46  
  47  $url = new moodle_url('/mod/lesson/mediafile.php', array('id'=>$id));
  48  if ($printclose !== '') {
  49      $url->param('printclose', $printclose);
  50  }
  51  $PAGE->set_url($url);
  52  $PAGE->set_pagelayout('popup');
  53  $PAGE->set_title($course->shortname);
  54  
  55  $lessonoutput = $PAGE->get_renderer('mod_lesson');
  56  
  57  // Get the mimetype
  58  $mimetype = mimeinfo("type", $lesson->mediafile);
  59  
  60  if ($printclose) {  // this is for framesets
  61      if ($lesson->mediaclose) {
  62          echo $lessonoutput->header($lesson, $cm);
  63          echo $OUTPUT->box('<form><div><input type="button" onclick="top.close();" value="'.get_string("closewindow").'" /></div></form>', 'lessonmediafilecontrol');
  64          echo $lessonoutput->footer();
  65      }
  66      exit();
  67  }
  68  
  69  // Check access restrictions.
  70  if ($timerestriction = $lesson->get_time_restriction_status()) {  // Deadline restrictions.
  71      echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('notavailable'));
  72      echo $lessonoutput->lesson_inaccessible(get_string($timerestriction->reason, 'lesson', userdate($timerestriction->time)));
  73      echo $lessonoutput->footer();
  74      exit();
  75  } else if ($passwordrestriction = $lesson->get_password_restriction_status(null)) { // Password protected lesson code.
  76      echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('passwordprotectedlesson', 'lesson', format_string($lesson->name)));
  77      echo $lessonoutput->login_prompt($lesson, $userpassword !== '');
  78      echo $lessonoutput->footer();
  79      exit();
  80  } else if ($dependenciesrestriction = $lesson->get_dependencies_restriction_status()) { // Check for dependencies.
  81      echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('completethefollowingconditions', 'lesson', format_string($lesson->name)));
  82      echo $lessonoutput->dependancy_errors($dependenciesrestriction->dependentlesson, $dependenciesrestriction->errors);
  83      echo $lessonoutput->footer();
  84      exit();
  85  }
  86  
  87  echo $lessonoutput->header($lesson, $cm);
  88  
  89  // print the embedded media html code
  90  echo $OUTPUT->box(lesson_get_media_html($lesson, $context));
  91  
  92  if ($lesson->mediaclose) {
  93     echo '<div class="lessonmediafilecontrol">';
  94     echo $OUTPUT->close_window_button();
  95     echo '</div>';
  96  }
  97  
  98  echo $lessonoutput->footer();