course/reset_form.php

   1 <?php
   2 if (!defined('MOODLE_INTERNAL')) {
   3     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
   4 }
   5
   6 require_once $CFG->libdir.'/formslib.php';
   7
   8 class course_reset_form extends moodleform {
   9     function definition (){
  10         global $CFG, $COURSE, $DB;
  11
  12         $mform =& $this->_form;
  13
  14         $mform->addElement('header', 'generalheader', get_string('general'));
  15
  16         $mform->addElement('date_selector', 'reset_start_date', get_string('startdate'), array('optional'=>true));
  17         $mform->addHelpButton('reset_start_date', 'startdate');
  18         $mform->addElement('checkbox', 'reset_events', get_string('deleteevents', 'calendar'));
  19         $mform->addElement('checkbox', 'reset_logs', get_string('deletelogs'));
  20         $mform->addElement('checkbox', 'reset_notes', get_string('deletenotes', 'notes'));
  21         $mform->addElement('checkbox', 'reset_comments', get_string('deleteallcomments', 'moodle'));
  22         $mform->addElement('checkbox', 'reset_completion', get_string('deletecompletiondata', 'completion'));
  23         $mform->addElement('checkbox', 'delete_blog_associations', get_string('deleteblogassociations', 'blog'));
  24         $mform->addHelpButton('delete_blog_associations', 'deleteblogassociations', 'blog');
  25
  26
  27         $mform->addElement('header', 'rolesheader', get_string('roles'));
  28
  29         $roles = get_assignable_roles(get_context_instance(CONTEXT_COURSE, $COURSE->id));
  30         $roles[0] = get_string('noroles', 'role');
  31         $roles = array_reverse($roles, true);
  32
  33         $mform->addElement('select', 'unenrol_users', get_string('unenrolroleusers', 'enrol'), $roles, array('multiple' => 'multiple'));
  34         $mform->addElement('checkbox', 'reset_roles_overrides', get_string('deletecourseoverrides', 'role'));
  35         $mform->setAdvanced('reset_roles_overrides');
  36         $mform->addElement('checkbox', 'reset_roles_local', get_string('deletelocalroles', 'role'));
  37
  38
  39         $mform->addElement('header', 'gradebookheader', get_string('gradebook', 'grades'));
  40
  41         $mform->addElement('checkbox', 'reset_gradebook_items', get_string('removeallcourseitems', 'grades'));
  42         $mform->addElement('checkbox', 'reset_gradebook_grades', get_string('removeallcoursegrades', 'grades'));
  43         $mform->disabledIf('reset_gradebook_grades', 'reset_gradebook_items', 'checked');
  44
  45
  46         $mform->addElement('header', 'groupheader', get_string('groups'));
  47
  48         $mform->addElement('checkbox', 'reset_groups_remove', get_string('deleteallgroups', 'group'));
  49         $mform->setAdvanced('reset_groups_remove');
  50         $mform->addElement('checkbox', 'reset_groups_members', get_string('removegroupsmembers', 'group'));
  51         $mform->setAdvanced('reset_groups_members');
  52         $mform->disabledIf('reset_groups_members', 'reset_groups_remove', 'checked');
  53
  54         $mform->addElement('checkbox', 'reset_groupings_remove', get_string('deleteallgroupings', 'group'));
  55         $mform->setAdvanced('reset_groupings_remove');
  56         $mform->addElement('checkbox', 'reset_groupings_members', get_string('removegroupingsmembers', 'group'));
  57         $mform->setAdvanced('reset_groupings_members');
  58         $mform->disabledIf('reset_groupings_members', 'reset_groupings_remove', 'checked');
  59
  60         $unsupported_mods = array();
  61         if ($allmods = $DB->get_records('modules') ) {
  62             foreach ($allmods as $mod) {
  63                 $modname = $mod->name;
  64                 $modfile = $CFG->dirroot."/mod/$modname/lib.php";
  65                 $mod_reset_course_form_definition = $modname.'_reset_course_form_definition';
  66                 $mod_reset__userdata = $modname.'_reset_userdata';
  67                 if (file_exists($modfile)) {
  68                     if (!$DB->count_records($modname, array('course'=>$COURSE->id))) {
  69                         continue; // Skip mods with no instances
  70                     }
  71                     include_once($modfile);
  72                     if (function_exists($mod_reset_course_form_definition)) {
  73                         $mod_reset_course_form_definition($mform);
  74                     } else if (!function_exists($mod_reset__userdata)) {
  75                         $unsupported_mods[] = $mod;
  76                     }
  77                 } else {
  78                     debugging('Missing lib.php in '.$modname.' module');
  79                 }
  80             }
  81         }
  82         // mention unsupported mods
  83         if (!empty($unsupported_mods)) {
  84             $mform->addElement('header', 'unsupportedheader', get_string('resetnotimplemented'));
  85             foreach($unsupported_mods as $mod) {
  86                 $mform->addElement('static', 'unsup'.$mod->name, get_string('modulenameplural', $mod->name));
  87                 $mform->setAdvanced('unsup'.$mod->name);
  88             }
  89         }
  90
  91         $mform->addElement('hidden', 'id', $COURSE->id);
  92         $mform->setType('id', PARAM_INT);
  93
  94         $buttonarray = array();
  95         $buttonarray[] = &$mform->createElement('submit', 'submitbutton', get_string('resetcourse'));
  96         $buttonarray[] = &$mform->createElement('submit', 'selectdefault', get_string('selectdefault'));
  97         $buttonarray[] = &$mform->createElement('submit', 'deselectall', get_string('deselectall'));
  98         $buttonarray[] = &$mform->createElement('cancel');
  99         $mform->addGroup($buttonarray, 'buttonar', '', array(' '), false);
 100         $mform->closeHeaderBefore('buttonar');
 101     }
 102
 103     function load_defaults() {
 104         global $CFG, $COURSE, $DB;
 105
 106         $mform =& $this->_form;
 107
 108         $defaults = array ('reset_events'=>1, 'reset_logs'=>1, 'reset_roles_local'=>1, 'reset_gradebook_grades'=>1, 'reset_notes'=>1);
 109
 110         if ($allmods = $DB->get_records('modules') ) {
 111             foreach ($allmods as $mod) {
 112                 $modname = $mod->name;
 113                 $modfile = $CFG->dirroot."/mod/$modname/lib.php";
 114                 $mod_reset_course_form_defaults = $modname.'_reset_course_form_defaults';
 115                 if (file_exists($modfile)) {
 116                     @include_once($modfile);
 117                     if (function_exists($mod_reset_course_form_defaults)) {
 118                         if ($moddefs = $mod_reset_course_form_defaults($COURSE)) {
 119                             $defaults = $defaults + $moddefs;
 120                         }
 121                     }
 122                 }
 123             }
 124         }
 125
 126         foreach ($defaults as $element=>$default) {
 127             $mform->setDefault($element, $default);
 128         }
 129     }
 130 }