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