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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Provides the course_reset_form class.
*
* @package core
* @copyright 2007 Petr Skoda
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once $CFG->libdir.'/formslib.php';
require_once($CFG->dirroot . '/course/lib.php');
/**
* Defines the course reset settings form.
*
* @copyright 2007 Petr Skoda
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class course_reset_form extends moodleform {
function definition (){
global $CFG, $COURSE, $DB;
$mform =& $this->_form;
$mform->addElement('header', 'generalheader', get_string('general'));
$mform->addElement('date_time_selector', 'reset_start_date', get_string('startdate'), array('optional' => true));
$mform->addHelpButton('reset_start_date', 'startdate');
$mform->addElement('date_time_selector', 'reset_end_date', get_string('enddate'), array('optional' => true));
$mform->addHelpButton('reset_end_date', 'enddate');
$mform->addElement('checkbox', 'reset_events', get_string('deleteevents', 'calendar'));
$mform->addElement('checkbox', 'reset_notes', get_string('deletenotes', 'notes'));
$mform->addElement('checkbox', 'reset_comments', get_string('deleteallcomments', 'moodle'));
$mform->addElement('checkbox', 'reset_completion', get_string('deletecompletiondata', 'completion'));
$mform->addElement('checkbox', 'delete_blog_associations', get_string('deleteblogassociations', 'blog'));
$mform->addHelpButton('delete_blog_associations', 'deleteblogassociations', 'blog');
$mform->addElement('checkbox', 'reset_competency_ratings', get_string('deletecompetencyratings', 'core_competency'));
$mform->addElement('header', 'rolesheader', get_string('roles'));
$roles = get_assignable_roles(context_course::instance($COURSE->id));
$roles[0] = get_string('noroles', 'role');
$roles = array_reverse($roles, true);
$mform->addElement('select', 'unenrol_users', get_string('unenrolroleusers', 'enrol'), $roles, array('multiple' => 'multiple'));
$mform->addElement('checkbox', 'reset_roles_overrides', get_string('deletecourseoverrides', 'role'));
$mform->setAdvanced('reset_roles_overrides');
$mform->addElement('checkbox', 'reset_roles_local', get_string('deletelocalroles', 'role'));
$mform->addElement('header', 'gradebookheader', get_string('gradebook', 'grades'));
$mform->addElement('checkbox', 'reset_gradebook_items', get_string('removeallcourseitems', 'grades'));
$mform->addHelpButton('reset_gradebook_items', 'removeallcourseitems', 'grades');
$mform->addElement('checkbox', 'reset_gradebook_grades', get_string('removeallcoursegrades', 'grades'));
$mform->addHelpButton('reset_gradebook_grades', 'removeallcoursegrades', 'grades');
$mform->disabledIf('reset_gradebook_grades', 'reset_gradebook_items', 'checked');
$mform->addElement('header', 'groupheader', get_string('groups'));
$mform->addElement('checkbox', 'reset_groups_remove', get_string('deleteallgroups', 'group'));
$mform->addElement('checkbox', 'reset_groups_members', get_string('removegroupsmembers', 'group'));
$mform->disabledIf('reset_groups_members', 'reset_groups_remove', 'checked');
$mform->addElement('checkbox', 'reset_groupings_remove', get_string('deleteallgroupings', 'group'));
$mform->addElement('checkbox', 'reset_groupings_members', get_string('removegroupingsmembers', 'group'));
$mform->disabledIf('reset_groupings_members', 'reset_groupings_remove', 'checked');
$unsupported_mods = array();
if ($allmods = $DB->get_records('modules') ) {
foreach ($allmods as $mod) {
$modname = $mod->name;
$modfile = $CFG->dirroot."/mod/$modname/lib.php";
$mod_reset_course_form_definition = $modname.'_reset_course_form_definition';
$mod_reset__userdata = $modname.'_reset_userdata';
if (file_exists($modfile)) {
if (!$DB->count_records($modname, array('course'=>$COURSE->id))) {
continue; // Skip mods with no instances
}
include_once($modfile);
if (function_exists($mod_reset_course_form_definition)) {
$mod_reset_course_form_definition($mform);
} else if (!function_exists($mod_reset__userdata)) {
$unsupported_mods[] = $mod;
}
} else {
debugging('Missing lib.php in '.$modname.' module');
}
}
}
// mention unsupported mods
if (!empty($unsupported_mods)) {
$mform->addElement('header', 'unsupportedheader', get_string('resetnotimplemented'));
foreach($unsupported_mods as $mod) {
$mform->addElement('static', 'unsup'.$mod->name, get_string('modulenameplural', $mod->name));
$mform->setAdvanced('unsup'.$mod->name);
}
}
$mform->addElement('hidden', 'id', $COURSE->id);
$mform->setType('id', PARAM_INT);
$buttonarray = array();
$buttonarray[] = &$mform->createElement('submit', 'submitbutton', get_string('resetcourse'));
$buttonarray[] = &$mform->createElement('submit', 'selectdefault', get_string('selectdefault'));
$buttonarray[] = &$mform->createElement('submit', 'deselectall', get_string('deselectall'));
$buttonarray[] = &$mform->createElement('cancel');
$mform->addGroup($buttonarray, 'buttonar', '', array(' '), false);
$mform->closeHeaderBefore('buttonar');
}
function load_defaults() {
global $CFG, $COURSE, $DB;
$mform =& $this->_form;
$defaults = array ('reset_events'=>1, 'reset_roles_local'=>1, 'reset_gradebook_grades'=>1, 'reset_notes'=>1);
// Set student as default in unenrol user list, if role with student archetype exist.
if ($studentrole = get_archetype_roles('student')) {
$defaults['unenrol_users'] = array_keys($studentrole);
}
if ($allmods = $DB->get_records('modules') ) {
foreach ($allmods as $mod) {
$modname = $mod->name;
$modfile = $CFG->dirroot."/mod/$modname/lib.php";
$mod_reset_course_form_defaults = $modname.'_reset_course_form_defaults';
if (file_exists($modfile)) {
@include_once($modfile);
if (function_exists($mod_reset_course_form_defaults)) {
if ($moddefs = $mod_reset_course_form_defaults($COURSE)) {
$defaults = $defaults + $moddefs;
}
}
}
}
}
foreach ($defaults as $element=>$default) {
$mform->setDefault($element, $default);
}
}
/**
* Validation.
*
* @param array $data
* @param array $files
* @return array the errors that were found
*/
public function validation($data, $files) {
global $DB;
$course = get_course($data['id']);
$errors = parent::validation($data, $files);
// We check the values that would be used as start and end.
if ($data['reset_start_date'] != 0) {
$coursedata['startdate'] = $data['reset_start_date'];
} else {
$coursedata['startdate'] = $course->startdate;
}
if ($data['reset_end_date'] != 0) {
// End date set by the user has preference.
$coursedata['enddate'] = $data['reset_end_date'];
} else if ($data['reset_start_date'] > 0 && $course->enddate != 0) {
// Otherwise, if the current course enddate is set, reset_course_userdata will add the start date time shift to it.
$timeshift = $data['reset_start_date'] - usergetmidnight($course->startdate);
$coursedata['enddate'] = $course->enddate + $timeshift;
} else {
$coursedata['enddate'] = $course->enddate;
}
if ($errorcode = course_validate_dates($coursedata)) {
$errors['reset_end_date'] = get_string($errorcode, 'error');
}
return $errors;
}
}