course/recent_form.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  * Display all recent activity in a flexible way
  20  *
  21  * @copyright 1999 Martin Dougiamas  http://dougiamas.com
  22  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  * @package course
  24  */
  25
  26 if (!defined('MOODLE_INTERNAL')) {
  27     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
  28 }
  29
  30 require_once($CFG->dirroot . '/course/lib.php');
  31 require_once($CFG->libdir.'/formslib.php');
  32
  33 class recent_form extends moodleform {
  34     function definition() {
  35         global $CFG, $COURSE, $USER;
  36
  37         $mform =& $this->_form;
  38         $context = context_course::instance($COURSE->id);
  39         $modinfo = get_fast_modinfo($COURSE);
  40
  41         $mform->addElement('header', 'filters', get_string('managefilters')); //TODO: add better string
  42
  43         $groupoptions = array();
  44         if (groups_get_course_groupmode($COURSE) == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
  45             // limited group access
  46             $groups = groups_get_user_groups($COURSE->id);
  47             $allgroups = groups_get_all_groups($COURSE->id);
  48             if (!empty($groups[$COURSE->defaultgroupingid])) {
  49                 foreach ($groups[$COURSE->defaultgroupingid] AS $groupid) {
  50                     $groupoptions[$groupid] = format_string($allgroups[$groupid]->name, true, array('context'=>$context));
  51                 }
  52             }
  53         } else {
  54             $groupoptions = array('0'=>get_string('allgroups'));
  55             if (has_capability('moodle/site:accessallgroups', $context)) {
  56                 // user can see all groups
  57                 $allgroups = groups_get_all_groups($COURSE->id);
  58             } else {
  59                 // user can see course level groups
  60                 $allgroups = groups_get_all_groups($COURSE->id, 0, $COURSE->defaultgroupingid);
  61             }
  62             foreach($allgroups as $group) {
  63                 $groupoptions[$group->id] = format_string($group->name, true, array('context'=>$context));
  64             }
  65         }
  66
  67         if ($COURSE->id == SITEID) {
  68             $viewparticipants = course_can_view_participants(context_system::instance());
  69         } else {
  70             $viewparticipants = course_can_view_participants($context);
  71         }
  72
  73         if ($viewparticipants) {
  74             $viewfullnames = has_capability('moodle/site:viewfullnames', context_course::instance($COURSE->id));
  75
  76             $options = array();
  77             $options[0] = get_string('allparticipants');
  78             $options[$CFG->siteguest] = get_string('guestuser');
  79
  80             if (isset($groupoptions[0])) {
  81                 // can see all enrolled users
  82                 if ($enrolled = get_enrolled_users($context, null, 0, user_picture::fields('u'))) {
  83                     foreach ($enrolled as $euser) {
  84                         $options[$euser->id] = fullname($euser, $viewfullnames);
  85                     }
  86                 }
  87             } else {
  88                 // can see users from some groups only
  89                 foreach ($groupoptions as $groupid=>$unused) {
  90                     if ($enrolled = get_enrolled_users($context, null, $groupid, user_picture::fields('u'))) {
  91                         foreach ($enrolled as $euser) {
  92                             if (!array_key_exists($euser->id, $options)) {
  93                                 $options[$euser->id] = fullname($euser, $viewfullnames);
  94                             }
  95                         }
  96                     }
  97                 }
  98             }
  99
 100             $mform->addElement('select', 'user', get_string('participants'), $options);
 101             $mform->setAdvanced('user');
 102         } else {
 103             // Default to no user.
 104             $mform->addElement('hidden', 'user', 0);
 105             $mform->setType('user', PARAM_INT);
 106             $mform->setConstant('user', 0);
 107         }
 108
 109         $options = array(''=>get_string('allactivities'));
 110         $modsused = array();
 111
 112         foreach($modinfo->cms as $cm) {
 113             if (!$cm->uservisible) {
 114                 continue;
 115             }
 116             $modsused[$cm->modname] = true;
 117         }
 118
 119         foreach ($modsused as $modname=>$unused) {
 120             $libfile = "$CFG->dirroot/mod/$modname/lib.php";
 121             if (!file_exists($libfile)) {
 122                 unset($modsused[$modname]);
 123                 continue;
 124             }
 125             include_once($libfile);
 126             $libfunction = $modname."_get_recent_mod_activity";
 127             if (!function_exists($libfunction)) {
 128                 unset($modsused[$modname]);
 129                 continue;
 130             }
 131             $options["mod/$modname"] = get_string('allmods', '', get_string('modulenameplural', $modname));
 132         }
 133
 134         foreach ($modinfo->sections as $section=>$cmids) {
 135             $options["section/$section"] = "-- ".get_section_name($COURSE, $section)." --";
 136             foreach ($cmids as $cmid) {
 137                 $cm = $modinfo->cms[$cmid];
 138                 if (empty($modsused[$cm->modname]) or !$cm->uservisible) {
 139                     continue;
 140                 }
 141                 $options[$cm->id] = format_string($cm->name);
 142             }
 143         }
 144         $mform->addElement('select', 'modid', get_string('activities'), $options);
 145         $mform->setAdvanced('modid');
 146
 147
 148         if ($groupoptions) {
 149             $mform->addElement('select', 'group', get_string('groups'), $groupoptions);
 150             $mform->setAdvanced('group');
 151         } else {
 152             // no access to groups in separate mode
 153             $mform->addElement('hidden','group');
 154             $mform->setType('group', PARAM_INT);
 155             $mform->setConstants(array('group'=>-1));
 156         }
 157
 158         $options = array('default'  => get_string('bycourseorder'),
 159                          'dateasc'  => get_string('datemostrecentlast'),
 160                          'datedesc' => get_string('datemostrecentfirst'));
 161         $mform->addElement('select', 'sortby', get_string('sortby'), $options);
 162         $mform->setAdvanced('sortby');
 163
 164         $mform->addElement('date_time_selector', 'date', get_string('since'), array('optional'=>true));
 165
 166         $mform->addElement('hidden','id');
 167         $mform->setType('id', PARAM_INT);
 168         $mform->setType('courseid', PARAM_INT);
 169
 170         $this->add_action_buttons(false, get_string('showrecent'));
 171     }
 172 }