calendar/view.php

   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 $url = new moodle_url('/calendar/view.php');
  55
  56 if ($courseid != SITEID) {
  57     $url->param('course', $courseid);
  58 }
  59
  60 if ($view !== 'upcoming') {
  61     $url->param('view', $view);
  62 }
  63
  64 // If a day, month and year were passed then convert it to a timestamp. If these were passed
  65 // then we can assume the day, month and year are passed as Gregorian, as no where in core
  66 // should we be passing these values rather than the time. This is done for BC.
  67 if (!empty($day) && !empty($mon) && !empty($year)) {
  68     if (checkdate($mon, $day, $year)) {
  69         $time = make_timestamp($year, $mon, $day);
  70     } else {
  71         $time = time();
  72     }
  73 } else if (empty($time)) {
  74     $time = time();
  75 }
  76
  77 $url->param('time', $time);
  78
  79 $PAGE->set_url($url);
  80
  81 if ($courseid != SITEID && !empty($courseid)) {
  82     $course = $DB->get_record('course', array('id' => $courseid));
  83     $courses = array($course->id => $course);
  84     $issite = false;
  85     navigation_node::override_active_url(new moodle_url('/course/view.php', array('id' => $course->id)));
  86 } else {
  87     $course = get_site();
  88     $courses = calendar_get_default_courses();
  89     $issite = true;
  90 }
  91
  92 require_course_login($course);
  93
  94 $calendar = new calendar_information(0, 0, 0, $time);
  95 $calendar->prepare_for_view($course, $courses);
  96
  97 $pagetitle = '';
  98
  99 $strcalendar = get_string('calendar', 'calendar');
 100
 101 switch($view) {
 102     case 'day':
 103         $PAGE->navbar->add(userdate($time, get_string('strftimedate')));
 104         $pagetitle = get_string('dayviewtitle', 'calendar', userdate($time, get_string('strftimedaydate')));
 105     break;
 106     case 'month':
 107         $PAGE->navbar->add(userdate($time, get_string('strftimemonthyear')));
 108         $pagetitle = get_string('detailedmonthviewtitle', 'calendar', userdate($time, get_string('strftimemonthyear')));
 109     break;
 110     case 'upcoming':
 111         $pagetitle = get_string('upcomingevents', 'calendar');
 112     break;
 113 }
 114
 115 // Print title and header
 116 $PAGE->set_pagelayout('standard');
 117 $PAGE->set_title("$course->shortname: $strcalendar: $pagetitle");
 118 $PAGE->set_heading($COURSE->fullname);
 119 $PAGE->set_button(calendar_preferences_button($course));
 120
 121 $renderer = $PAGE->get_renderer('core_calendar');
 122 $calendar->add_sidecalendar_blocks($renderer, true, $view);
 123
 124 echo $OUTPUT->header();
 125 echo $renderer->start_layout();
 126 echo html_writer::start_tag('div', array('class'=>'heightcontainer'));
 127 echo $OUTPUT->heading(get_string('calendar', 'calendar'));
 128
 129 switch($view) {
 130     case 'day':
 131         echo $renderer->show_day($calendar);
 132     break;
 133     case 'month':
 134         echo $renderer->show_month_detailed($calendar, $url);
 135     break;
 136     case 'upcoming':
 137         $defaultlookahead = CALENDAR_DEFAULT_UPCOMING_LOOKAHEAD;
 138         if (isset($CFG->calendar_lookahead)) {
 139             $defaultlookahead = intval($CFG->calendar_lookahead);
 140         }
 141         $lookahead = get_user_preferences('calendar_lookahead', $defaultlookahead);
 142
 143         $defaultmaxevents = CALENDAR_DEFAULT_UPCOMING_MAXEVENTS;
 144         if (isset($CFG->calendar_maxevents)) {
 145             $defaultmaxevents = intval($CFG->calendar_maxevents);
 146         }
 147         $maxevents = get_user_preferences('calendar_maxevents', $defaultmaxevents);
 148         echo $renderer->show_upcoming_events($calendar, $lookahead, $maxevents);
 149     break;
 150 }
 151
 152 //Link to calendar export page.
 153 echo $OUTPUT->container_start('bottom');
 154 if (!empty($CFG->enablecalendarexport)) {
 155     echo $OUTPUT->single_button(new moodle_url('export.php', array('course'=>$courseid)), get_string('exportcalendar', 'calendar'));
 156     if (calendar_user_can_add_event($course)) {
 157         echo $OUTPUT->single_button(new moodle_url('/calendar/managesubscriptions.php', array('course'=>$courseid)), get_string('managesubscriptions', 'calendar'));
 158     }
 159     if (isloggedin()) {
 160         $authtoken = sha1($USER->id . $DB->get_field('user', 'password', array('id' => $USER->id)) . $CFG->calendar_exportsalt);
 161         $link = new moodle_url(
 162             '/calendar/export_execute.php',
 163             array('preset_what'=>'all', 'preset_time' => 'recentupcoming', 'userid' => $USER->id, 'authtoken'=>$authtoken)
 164         );
 165         echo html_writer::tag('a', 'iCal',
 166             array('href' => $link, 'title' => get_string('quickdownloadcalendar', 'calendar'), 'class' => 'ical-link'));
 167     }
 168 }
 169
 170 echo $OUTPUT->container_end();
 171 echo html_writer::end_tag('div');
 172 echo $renderer->complete_layout();
 173 echo $OUTPUT->footer();