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', 0, 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 $yr   = optional_param('cal_y', 0, PARAM_INT);
  52
  53 $site = get_site();
  54
  55 $url = new moodle_url('/calendar/view.php');
  56 if ($courseid !== 0) {
  57     $url->param('course', $courseid);
  58 }
  59 if ($view !== 'upcoming') {
  60     $url->param('view', $view);
  61 }
  62 if ($day !== 0) {
  63     $url->param('cal_d', $day);
  64 }
  65 if ($mon !== 0) {
  66     $url->param('cal_m', $mon);
  67 }
  68 if ($yr !== 0) {
  69     $url->param('cal_y', $yr);
  70 }
  71 $PAGE->set_url($url);
  72
  73 //TODO: the courseid handling in /calendar/ is a bloody mess!!!
  74
  75 if ($courseid && $courseid != SITEID) {
  76     require_login($courseid);
  77 } else if ($CFG->forcelogin) {
  78     $PAGE->set_context(get_context_instance(CONTEXT_SYSTEM)); //TODO: wrong
  79     require_login();
  80 } else {
  81     $PAGE->set_context(get_context_instance(CONTEXT_SYSTEM)); //TODO: wrong
  82 }
  83
  84 $calendar = new calendar_information($day, $mon, $yr);
  85 $calendar->courseid = $courseid;
  86
  87 // Initialize the session variables
  88 calendar_session_vars();
  89
  90 //add_to_log($course->id, "course", "view", "view.php?id=$course->id", "$course->id");
  91 $now = usergetdate(time());
  92 $pagetitle = '';
  93
  94 $strcalendar = get_string('calendar', 'calendar');
  95
  96 $link = calendar_get_link_href(new moodle_url(CALENDAR_URL.'view.php', array('view'=>'upcoming', 'course'=>$courseid)),
  97                                $now['mday'], $now['mon'], $now['year']);
  98 $PAGE->navbar->add($strcalendar, $link);
  99
 100 if(!checkdate($mon, $day, $yr)) {
 101     $day = intval($now['mday']);
 102     $mon = intval($now['mon']);
 103     $yr = intval($now['year']);
 104 }
 105 $time = make_timestamp($yr, $mon, $day);
 106
 107 switch($view) {
 108     case 'day':
 109         $PAGE->navbar->add(userdate($time, get_string('strftimedate')));
 110         $pagetitle = get_string('dayview', 'calendar');
 111     break;
 112     case 'month':
 113         $PAGE->navbar->add(userdate($time, get_string('strftimemonthyear')));
 114         $pagetitle = get_string('detailedmonthview', 'calendar');
 115     break;
 116     case 'upcoming':
 117         $pagetitle = get_string('upcomingevents', 'calendar');
 118     break;
 119 }
 120 // If a course has been supplied in the URL, change the filters to show that one
 121 if (!empty($courseid)) {
 122     if ($course = $DB->get_record('course', array('id'=>$courseid))) {
 123         if ($course->id == SITEID) {
 124             // If coming from the home page, show all courses
 125             $SESSION->cal_courses_shown = calendar_get_default_courses(true);
 126             calendar_set_referring_course(0);
 127
 128         } else {
 129             // Otherwise show just this one
 130             $SESSION->cal_courses_shown = $course->id;
 131             calendar_set_referring_course($SESSION->cal_courses_shown);
 132         }
 133     }
 134 } else {
 135     $course = null;
 136 }
 137 if (!isloggedin() or isguestuser()) {
 138     $defaultcourses = calendar_get_default_courses();
 139     calendar_set_filters($calendar->courses, $calendar->groups, $calendar->users, $defaultcourses, $defaultcourses);
 140 } else {
 141     calendar_set_filters($calendar->courses, $calendar->groups, $calendar->users);
 142 }
 143 // Let's see if we are supposed to provide a referring course link
 144 // but NOT for the "main page" course
 145 if ($SESSION->cal_course_referer != SITEID &&
 146    ($shortname = $DB->get_field('course', 'shortname', array('id'=>$SESSION->cal_course_referer))) !== false) {
 147     require_login(); //TODO: very wrong!!
 148     if (empty($course)) {
 149         $course = $DB->get_record('course', array('id'=>$SESSION->cal_course_referer)); // Useful to have around
 150     }
 151 }
 152
 153 $strcalendar = get_string('calendar', 'calendar');
 154 $prefsbutton = calendar_preferences_button();
 155
 156 // Print title and header
 157 $PAGE->set_title("$site->shortname: $strcalendar: $pagetitle");
 158 $PAGE->set_heading($COURSE->fullname);
 159 $PAGE->set_button($prefsbutton);
 160 $PAGE->set_pagelayout('standard');
 161
 162 $renderer = $PAGE->get_renderer('core_calendar');
 163 $calendar->add_sidecalendar_blocks($renderer, true, $view);
 164
 165 echo $OUTPUT->header();
 166 echo $renderer->start_layout();
 167 echo html_writer::start_tag('div', array('class'=>'heightcontainer'));
 168
 169 switch($view) {
 170     case 'day':
 171         echo $renderer->show_day($calendar);
 172     break;
 173     case 'month':
 174         echo $renderer->show_month_detailed($calendar);
 175     break;
 176     case 'upcoming':
 177         echo $renderer->show_upcoming_events($calendar, get_user_preferences('calendar_lookahead', CALENDAR_UPCOMING_DAYS), get_user_preferences('calendar_maxevents', CALENDAR_UPCOMING_MAXEVENTS));
 178     break;
 179 }
 180
 181 //Link to calendar export page
 182 echo $OUTPUT->container_start('bottom');
 183 if (!empty($CFG->enablecalendarexport)) {
 184     echo $OUTPUT->single_button(new moodle_url('export.php', array('course'=>$courseid)), get_string('exportcalendar', 'calendar'));
 185     if (isloggedin()) {
 186         $authtoken = sha1($USER->username . $USER->password . $CFG->calendar_exportsalt);
 187         $link = new moodle_url('/calendar/export_execute.php', array('preset_what'=>'all', 'prest_time'=>'recentupcoming', 'username'=>$USER->username, 'authtoken'=>$authtoken));
 188         $icon = html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('i/ical'), 'height'=>'14', 'width'=>'36', 'alt'=>get_string('ical', 'calendar'), 'title'=>get_string('quickdownloadcalendar', 'calendar')));
 189         echo html_writer::tag('a', $icon, array('href'=>$link));
 190     }
 191 }
 192 echo $OUTPUT->container_end();
 193 echo html_writer::end_tag('div');
 194 echo $renderer->complete_layout();
 195 echo $OUTPUT->footer();