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   1  <?php
   2  
   3  /////////////////////////////////////////////////////////////////////////////
   4  //                                                                         //
   5  // NOTICE OF COPYRIGHT                                                     //
   6  //                                                                         //
   7  // Moodle - Calendar extension                                             //
   8  //                                                                         //
   9  // Copyright (C) 2003-2004  Greek School Network            www.sch.gr     //
  10  //                                                                         //
  11  // Designed by:                                                            //
  12  //     Avgoustos Tsinakos (tsinakos@teikav.edu.gr)                         //
  13  //     Jon Papaioannou (pj@moodle.org)                                     //
  14  //                                                                         //
  15  // Programming and development:                                            //
  16  //     Jon Papaioannou (pj@moodle.org)                                     //
  17  //                                                                         //
  18  // For bugs, suggestions, etc contact:                                     //
  19  //     Jon Papaioannou (pj@moodle.org)                                     //
  20  //                                                                         //
  21  // The current module was developed at the University of Macedonia         //
  22  // (www.uom.gr) under the funding of the Greek School Network (www.sch.gr) //
  23  // The aim of this project is to provide additional and improved           //
  24  // functionality to the Asynchronous Distance Education service that the   //
  25  // Greek School Network deploys.                                           //
  26  //                                                                         //
  27  // This program is free software; you can redistribute it and/or modify    //
  28  // it under the terms of the GNU General Public License as published by    //
  29  // the Free Software Foundation; either version 2 of the License, or       //
  30  // (at your option) any later version.                                     //
  31  //                                                                         //
  32  // This program is distributed in the hope that it will be useful,         //
  33  // but WITHOUT ANY WARRANTY; without even the implied warranty of          //
  34  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           //
  35  // GNU General Public License for more details:                            //
  36  //                                                                         //
  37  //          http://www.gnu.org/copyleft/gpl.html                           //
  38  //                                                                         //
  39  /////////////////////////////////////////////////////////////////////////////
  40  
  41  //  Display the calendar page.
  42  
  43  require_once('../config.php');
  44  require_once($CFG->dirroot.'/course/lib.php');
  45  require_once($CFG->dirroot.'/calendar/lib.php');
  46  
  47  $courseid = optional_param('course', SITEID, PARAM_INT);
  48  $view = optional_param('view', 'upcoming', PARAM_ALPHA);
  49  $day = optional_param('cal_d', 0, PARAM_INT);
  50  $mon = optional_param('cal_m', 0, PARAM_INT);
  51  $year = optional_param('cal_y', 0, PARAM_INT);
  52  $time = optional_param('time', 0, PARAM_INT);
  53  
  54  $url = new moodle_url('/calendar/view.php');
  55  
  56  // If a day, month and year were passed then convert it to a timestamp. If these were passed
  57  // then we can assume the day, month and year are passed as Gregorian, as no where in core
  58  // should we be passing these values rather than the time. This is done for BC.
  59  if (!empty($day) && !empty($mon) && !empty($year)) {
  60      if (checkdate($mon, $day, $year)) {
  61          $time = make_timestamp($year, $mon, $day);
  62      }
  63  }
  64  
  65  if (empty($time)) {
  66      $time = time();
  67  }
  68  
  69  if ($courseid != SITEID) {
  70      $url->param('course', $courseid);
  71  }
  72  
  73  if ($view !== 'upcoming') {
  74      $time = usergetmidnight($time);
  75      $url->param('view', $view);
  76  }
  77  
  78  $url->param('time', $time);
  79  
  80  $PAGE->set_url($url);
  81  
  82  if ($courseid != SITEID && !empty($courseid)) {
  83      $course = $DB->get_record('course', array('id' => $courseid));
  84      $courses = array($course->id => $course);
  85      $issite = false;
  86      navigation_node::override_active_url(new moodle_url('/course/view.php', array('id' => $course->id)));
  87  } else {
  88      $course = get_site();
  89      $courses = calendar_get_default_courses();
  90      $issite = true;
  91  }
  92  
  93  require_course_login($course);
  94  
  95  $calendar = new calendar_information(0, 0, 0, $time);
  96  $calendar->prepare_for_view($course, $courses);
  97  
  98  $pagetitle = '';
  99  
 100  $strcalendar = get_string('calendar', 'calendar');
 101  
 102  switch($view) {
 103      case 'day':
 104          $PAGE->navbar->add(userdate($time, get_string('strftimedate')));
 105          $pagetitle = get_string('dayviewtitle', 'calendar', userdate($time, get_string('strftimedaydate')));
 106      break;
 107      case 'month':
 108          $PAGE->navbar->add(userdate($time, get_string('strftimemonthyear')));
 109          $pagetitle = get_string('detailedmonthviewtitle', 'calendar', userdate($time, get_string('strftimemonthyear')));
 110      break;
 111      case 'upcoming':
 112          $pagetitle = get_string('upcomingevents', 'calendar');
 113      break;
 114  }
 115  
 116  // Print title and header
 117  $PAGE->set_pagelayout('standard');
 118  $PAGE->set_title("$course->shortname: $strcalendar: $pagetitle");
 119  $PAGE->set_heading($COURSE->fullname);
 120  $PAGE->set_button(calendar_preferences_button($course));
 121  
 122  $renderer = $PAGE->get_renderer('core_calendar');
 123  $calendar->add_sidecalendar_blocks($renderer, true, $view);
 124  
 125  echo $OUTPUT->header();
 126  echo $renderer->start_layout();
 127  echo html_writer::start_tag('div', array('class'=>'heightcontainer'));
 128  echo $OUTPUT->heading(get_string('calendar', 'calendar'));
 129  
 130  switch($view) {
 131      case 'day':
 132          echo $renderer->show_day($calendar);
 133      break;
 134      case 'month':
 135          echo $renderer->show_month_detailed($calendar, $url);
 136      break;
 137      case 'upcoming':
 138          $defaultlookahead = CALENDAR_DEFAULT_UPCOMING_LOOKAHEAD;
 139          if (isset($CFG->calendar_lookahead)) {
 140              $defaultlookahead = intval($CFG->calendar_lookahead);
 141          }
 142          $lookahead = get_user_preferences('calendar_lookahead', $defaultlookahead);
 143  
 144          $defaultmaxevents = CALENDAR_DEFAULT_UPCOMING_MAXEVENTS;
 145          if (isset($CFG->calendar_maxevents)) {
 146              $defaultmaxevents = intval($CFG->calendar_maxevents);
 147          }
 148          $maxevents = get_user_preferences('calendar_maxevents', $defaultmaxevents);
 149          echo $renderer->show_upcoming_events($calendar, $lookahead, $maxevents);
 150      break;
 151  }
 152  
 153  //Link to calendar export page.
 154  echo $OUTPUT->container_start('bottom');
 155  if (!empty($CFG->enablecalendarexport)) {
 156      echo $OUTPUT->single_button(new moodle_url('export.php', array('course'=>$courseid)), get_string('exportcalendar', 'calendar'));
 157      if (calendar_user_can_add_event($course)) {
 158          echo $OUTPUT->single_button(new moodle_url('/calendar/managesubscriptions.php', array('course'=>$courseid)), get_string('managesubscriptions', 'calendar'));
 159      }
 160      if (isloggedin()) {
 161          $authtoken = sha1($USER->id . $DB->get_field('user', 'password', array('id' => $USER->id)) . $CFG->calendar_exportsalt);
 162          $link = new moodle_url(
 163              '/calendar/export_execute.php',
 164              array('preset_what'=>'all', 'preset_time' => 'recentupcoming', 'userid' => $USER->id, 'authtoken'=>$authtoken)
 165          );
 166          echo html_writer::tag('a', 'iCal',
 167              array('href' => $link, 'title' => get_string('quickdownloadcalendar', 'calendar'), 'class' => 'ical-link'));
 168      }
 169  }
 170  
 171  echo $OUTPUT->container_end();
 172  echo html_writer::end_tag('div');
 173  echo $renderer->complete_layout();
 174  echo $OUTPUT->footer();