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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/>.
/**
* Form to define a new instance of lesson or edit an instance.
* It is used from /course/modedit.php.
*
* @package mod_lesson
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or late
**/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot.'/course/moodleform_mod.php');
require_once($CFG->dirroot.'/mod/lesson/locallib.php');
class mod_lesson_mod_form extends moodleform_mod {
protected $course = null;
public function __construct($current, $section, $cm, $course) {
$this->course = $course;
parent::__construct($current, $section, $cm, $course);
}
/**
* Old syntax of class constructor. Deprecated in PHP7.
*
* @deprecated since Moodle 3.1
*/
public function mod_lesson_mod_form($current, $section, $cm, $course) {
debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
self::__construct($current, $section, $cm, $course);
}
function definition() {
global $CFG, $COURSE, $DB, $OUTPUT;
$mform = $this->_form;
$lessonconfig = get_config('mod_lesson');
$mform->addElement('header', 'general', get_string('general', 'form'));
/** Legacy slideshow width element to maintain backwards compatibility */
$mform->addElement('hidden', 'width');
$mform->setType('width', PARAM_INT);
$mform->setDefault('width', $lessonconfig->slideshowwidth);
/** Legacy slideshow height element to maintain backwards compatibility */
$mform->addElement('hidden', 'height');
$mform->setType('height', PARAM_INT);
$mform->setDefault('height', $lessonconfig->slideshowheight);
/** Legacy slideshow background color element to maintain backwards compatibility */
$mform->addElement('hidden', 'bgcolor');
$mform->setType('bgcolor', PARAM_TEXT);
$mform->setDefault('bgcolor', $lessonconfig->slideshowbgcolor);
/** Legacy media popup width element to maintain backwards compatibility */
$mform->addElement('hidden', 'mediawidth');
$mform->setType('mediawidth', PARAM_INT);
$mform->setDefault('mediawidth', $lessonconfig->mediawidth);
/** Legacy media popup height element to maintain backwards compatibility */
$mform->addElement('hidden', 'mediaheight');
$mform->setType('mediaheight', PARAM_INT);
$mform->setDefault('mediaheight', $lessonconfig->mediaheight);
/** Legacy media popup close button element to maintain backwards compatibility */
$mform->addElement('hidden', 'mediaclose');
$mform->setType('mediaclose', PARAM_BOOL);
$mform->setDefault('mediaclose', $lessonconfig->mediaclose);
$mform->addElement('text', 'name', get_string('name'), array('size'=>'64'));
if (!empty($CFG->formatstringstriptags)) {
$mform->setType('name', PARAM_TEXT);
} else {
$mform->setType('name', PARAM_CLEANHTML);
}
$mform->addRule('name', null, 'required', null, 'client');
$mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
$this->standard_intro_elements();
// Appearance.
$mform->addElement('header', 'appearancehdr', get_string('appearance'));
$filemanageroptions = array();
$filemanageroptions['filetypes'] = '*';
$filemanageroptions['maxbytes'] = $this->course->maxbytes;
$filemanageroptions['subdirs'] = 0;
$filemanageroptions['maxfiles'] = 1;
$mform->addElement('filemanager', 'mediafile', get_string('mediafile', 'lesson'), null, $filemanageroptions);
$mform->addHelpButton('mediafile', 'mediafile', 'lesson');
$mform->setAdvanced('mediafile', $lessonconfig->mediafile_adv);
$mform->addElement('selectyesno', 'progressbar', get_string('progressbar', 'lesson'));
$mform->addHelpButton('progressbar', 'progressbar', 'lesson');
$mform->setDefault('progressbar', $lessonconfig->progressbar);
$mform->setAdvanced('progressbar', $lessonconfig->progressbar_adv);
$mform->addElement('selectyesno', 'ongoing', get_string('ongoing', 'lesson'));
$mform->addHelpButton('ongoing', 'ongoing', 'lesson');
$mform->setDefault('ongoing', $lessonconfig->ongoing);
$mform->setAdvanced('ongoing', $lessonconfig->ongoing_adv);
$mform->addElement('selectyesno', 'displayleft', get_string('displayleftmenu', 'lesson'));
$mform->addHelpButton('displayleft', 'displayleftmenu', 'lesson');
$mform->setDefault('displayleft', $lessonconfig->displayleftmenu);
$mform->setAdvanced('displayleft', $lessonconfig->displayleftmenu_adv);
$options = array();
for($i = 100; $i >= 0; $i--) {
$options[$i] = $i.'%';
}
$mform->addElement('select', 'displayleftif', get_string('displayleftif', 'lesson'), $options);
$mform->addHelpButton('displayleftif', 'displayleftif', 'lesson');
$mform->setDefault('displayleftif', $lessonconfig->displayleftif);
$mform->setAdvanced('displayleftif', $lessonconfig->displayleftif_adv);
$mform->addElement('selectyesno', 'slideshow', get_string('slideshow', 'lesson'));
$mform->addHelpButton('slideshow', 'slideshow', 'lesson');
$mform->setDefault('slideshow', $lessonconfig->slideshow);
$mform->setAdvanced('slideshow', $lessonconfig->slideshow_adv);
$numbers = array();
for ($i = 20; $i > 1; $i--) {
$numbers[$i] = $i;
}
$mform->addElement('select', 'maxanswers', get_string('maximumnumberofanswersbranches', 'lesson'), $numbers);
$mform->setDefault('maxanswers', $lessonconfig->maxanswers);
$mform->setAdvanced('maxanswers', $lessonconfig->maxanswers_adv);
$mform->setType('maxanswers', PARAM_INT);
$mform->addHelpButton('maxanswers', 'maximumnumberofanswersbranches', 'lesson');
$mform->addElement('selectyesno', 'feedback', get_string('displaydefaultfeedback', 'lesson'));
$mform->addHelpButton('feedback', 'displaydefaultfeedback', 'lesson');
$mform->setDefault('feedback', $lessonconfig->defaultfeedback);
$mform->setAdvanced('feedback', $lessonconfig->defaultfeedback_adv);
// Get the modules.
if ($mods = get_course_mods($COURSE->id)) {
$modinstances = array();
foreach ($mods as $mod) {
// Get the module name and then store it in a new array.
if ($module = get_coursemodule_from_instance($mod->modname, $mod->instance, $COURSE->id)) {
// Exclude this lesson, if it's already been saved.
if (!isset($this->_cm->id) || $this->_cm->id != $mod->id) {
$modinstances[$mod->id] = $mod->modname.' - '.$module->name;
}
}
}
asort($modinstances); // Sort by module name.
$modinstances=array(0=>get_string('none'))+$modinstances;
$mform->addElement('select', 'activitylink', get_string('activitylink', 'lesson'), $modinstances);
$mform->addHelpButton('activitylink', 'activitylink', 'lesson');
$mform->setDefault('activitylink', 0);
$mform->setAdvanced('activitylink', $lessonconfig->activitylink_adv);
}
// Availability.
$mform->addElement('header', 'availabilityhdr', get_string('availability'));
$mform->addElement('date_time_selector', 'available', get_string('available', 'lesson'), array('optional'=>true));
$mform->setDefault('available', 0);
$mform->addElement('date_time_selector', 'deadline', get_string('deadline', 'lesson'), array('optional'=>true));
$mform->setDefault('deadline', 0);
// Time limit.
$mform->addElement('duration', 'timelimit', get_string('timelimit', 'lesson'),
array('optional' => true));
$mform->addHelpButton('timelimit', 'timelimit', 'lesson');
$mform->setAdvanced('timelimit', $lessonconfig->timelimit_adv);
$mform->setDefault('timelimit', $lessonconfig->timelimit);
$mform->addElement('selectyesno', 'usepassword', get_string('usepassword', 'lesson'));
$mform->addHelpButton('usepassword', 'usepassword', 'lesson');
$mform->setDefault('usepassword', $lessonconfig->password);
$mform->setAdvanced('usepassword', $lessonconfig->password_adv);
$mform->addElement('passwordunmask', 'password', get_string('password', 'lesson'));
$mform->setDefault('password', '');
$mform->setAdvanced('password', $lessonconfig->password_adv);
$mform->setType('password', PARAM_RAW);
$mform->hideIf('password', 'usepassword', 'eq', 0);
$mform->hideIf('passwordunmask', 'usepassword', 'eq', 0);
// Dependent on.
if ($this->current && isset($this->current->dependency) && $this->current->dependency) {
$mform->addElement('header', 'dependencyon', get_string('prerequisitelesson', 'lesson'));
$mform->addElement('static', 'warningobsolete',
get_string('warning', 'lesson'),
get_string('prerequisiteisobsolete', 'lesson'));
$options = array(0 => get_string('none'));
if ($lessons = get_all_instances_in_course('lesson', $COURSE)) {
foreach ($lessons as $lesson) {
if ($lesson->id != $this->_instance) {
$options[$lesson->id] = format_string($lesson->name, true);
}
}
}
$mform->addElement('select', 'dependency', get_string('dependencyon', 'lesson'), $options);
$mform->addHelpButton('dependency', 'dependencyon', 'lesson');
$mform->setDefault('dependency', 0);
$mform->addElement('text', 'timespent', get_string('timespentminutes', 'lesson'));
$mform->setDefault('timespent', 0);
$mform->setType('timespent', PARAM_INT);
$mform->disabledIf('timespent', 'dependency', 'eq', 0);
$mform->addElement('checkbox', 'completed', get_string('completed', 'lesson'));
$mform->setDefault('completed', 0);
$mform->disabledIf('completed', 'dependency', 'eq', 0);
$mform->addElement('text', 'gradebetterthan', get_string('gradebetterthan', 'lesson'));
$mform->setDefault('gradebetterthan', 0);
$mform->setType('gradebetterthan', PARAM_INT);
$mform->disabledIf('gradebetterthan', 'dependency', 'eq', 0);
} else {
$mform->addElement('hidden', 'dependency', 0);
$mform->setType('dependency', PARAM_INT);
$mform->addElement('hidden', 'timespent', 0);
$mform->setType('timespent', PARAM_INT);
$mform->addElement('hidden', 'completed', 0);
$mform->setType('completed', PARAM_INT);
$mform->addElement('hidden', 'gradebetterthan', 0);
$mform->setType('gradebetterthan', PARAM_INT);
$mform->setConstants(array('dependency' => 0, 'timespent' => 0,
'completed' => 0, 'gradebetterthan' => 0));
}
// Allow to enable offline lessons only if the Mobile services are enabled.
if ($CFG->enablemobilewebservice) {
$mform->addElement('selectyesno', 'allowofflineattempts', get_string('allowofflineattempts', 'lesson'));
$mform->addHelpButton('allowofflineattempts', 'allowofflineattempts', 'lesson');
$mform->setDefault('allowofflineattempts', 0);
$mform->setAdvanced('allowofflineattempts');
$mform->disabledIf('allowofflineattempts', 'timelimit[number]', 'neq', 0);
$mform->addElement('static', 'allowofflineattemptswarning', '',
$OUTPUT->notification(get_string('allowofflineattempts_help', 'lesson'), 'warning'));
$mform->setAdvanced('allowofflineattemptswarning');
} else {
$mform->addElement('hidden', 'allowofflineattempts', 0);
$mform->setType('allowofflineattempts', PARAM_INT);
}
// Flow control.
$mform->addElement('header', 'flowcontrol', get_string('flowcontrol', 'lesson'));
$mform->addElement('selectyesno', 'modattempts', get_string('modattempts', 'lesson'));
$mform->addHelpButton('modattempts', 'modattempts', 'lesson');
$mform->setDefault('modattempts', $lessonconfig->modattempts);
$mform->setAdvanced('modattempts', $lessonconfig->modattempts_adv);
$mform->addElement('selectyesno', 'review', get_string('displayreview', 'lesson'));
$mform->addHelpButton('review', 'displayreview', 'lesson');
$mform->setDefault('review', $lessonconfig->displayreview);
$mform->setAdvanced('review', $lessonconfig->displayreview_adv);
$numbers = array();
for ($i = 10; $i > 0; $i--) {
$numbers[$i] = $i;
}
$mform->addElement('select', 'maxattempts', get_string('maximumnumberofattempts', 'lesson'), $numbers);
$mform->addHelpButton('maxattempts', 'maximumnumberofattempts', 'lesson');
$mform->setDefault('maxattempts', $lessonconfig->maximumnumberofattempts);
$mform->setAdvanced('maxattempts', $lessonconfig->maximumnumberofattempts_adv);
$defaultnextpages = array();
$defaultnextpages[0] = get_string('normal', 'lesson');
$defaultnextpages[LESSON_UNSEENPAGE] = get_string('showanunseenpage', 'lesson');
$defaultnextpages[LESSON_UNANSWEREDPAGE] = get_string('showanunansweredpage', 'lesson');
$mform->addElement('select', 'nextpagedefault', get_string('actionaftercorrectanswer', 'lesson'), $defaultnextpages);
$mform->addHelpButton('nextpagedefault', 'actionaftercorrectanswer', 'lesson');
$mform->setDefault('nextpagedefault', $lessonconfig->defaultnextpage);
$mform->setAdvanced('nextpagedefault', $lessonconfig->defaultnextpage_adv);
$numbers = array();
for ($i = 100; $i >= 0; $i--) {
$numbers[$i] = $i;
}
$mform->addElement('select', 'maxpages', get_string('numberofpagestoshow', 'lesson'), $numbers);
$mform->addHelpButton('maxpages', 'numberofpagestoshow', 'lesson');
$mform->setDefault('maxpages', $lessonconfig->numberofpagestoshow);
$mform->setAdvanced('maxpages', $lessonconfig->numberofpagestoshow_adv);
// Grade.
$this->standard_grading_coursemodule_elements();
// No header here, so that the following settings are displayed in the grade section.
$mform->addElement('selectyesno', 'practice', get_string('practice', 'lesson'));
$mform->addHelpButton('practice', 'practice', 'lesson');
$mform->setDefault('practice', $lessonconfig->practice);
$mform->setAdvanced('practice', $lessonconfig->practice_adv);
$mform->addElement('selectyesno', 'custom', get_string('customscoring', 'lesson'));
$mform->addHelpButton('custom', 'customscoring', 'lesson');
$mform->setDefault('custom', $lessonconfig->customscoring);
$mform->setAdvanced('custom', $lessonconfig->customscoring_adv);
$mform->addElement('selectyesno', 'retake', get_string('retakesallowed', 'lesson'));
$mform->addHelpButton('retake', 'retakesallowed', 'lesson');
$mform->setDefault('retake', $lessonconfig->retakesallowed);
$mform->setAdvanced('retake', $lessonconfig->retakesallowed_adv);
$options = array();
$options[0] = get_string('usemean', 'lesson');
$options[1] = get_string('usemaximum', 'lesson');
$mform->addElement('select', 'usemaxgrade', get_string('handlingofretakes', 'lesson'), $options);
$mform->addHelpButton('usemaxgrade', 'handlingofretakes', 'lesson');
$mform->setDefault('usemaxgrade', $lessonconfig->handlingofretakes);
$mform->setAdvanced('usemaxgrade', $lessonconfig->handlingofretakes_adv);
$mform->hideIf('usemaxgrade', 'retake', 'eq', '0');
$numbers = array();
for ($i = 100; $i >= 0; $i--) {
$numbers[$i] = $i;
}
$mform->addElement('select', 'minquestions', get_string('minimumnumberofquestions', 'lesson'), $numbers);
$mform->addHelpButton('minquestions', 'minimumnumberofquestions', 'lesson');
$mform->setDefault('minquestions', $lessonconfig->minimumnumberofquestions);
$mform->setAdvanced('minquestions', $lessonconfig->minimumnumberofquestions_adv);
//-------------------------------------------------------------------------------
$this->standard_coursemodule_elements();
//-------------------------------------------------------------------------------
// buttons
$this->add_action_buttons();
}
/**
* Enforce defaults here
*
* @param array $defaultvalues Form defaults
* @return void
**/
public function data_preprocessing(&$defaultvalues) {
if (isset($defaultvalues['conditions'])) {
$conditions = unserialize($defaultvalues['conditions']);
$defaultvalues['timespent'] = $conditions->timespent;
$defaultvalues['completed'] = $conditions->completed;
$defaultvalues['gradebetterthan'] = $conditions->gradebetterthan;
}
// Set up the completion checkbox which is not part of standard data.
$defaultvalues['completiontimespentenabled'] =
!empty($defaultvalues['completiontimespent']) ? 1 : 0;
if ($this->current->instance) {
// Editing existing instance - copy existing files into draft area.
$draftitemid = file_get_submitted_draft_itemid('mediafile');
file_prepare_draft_area($draftitemid, $this->context->id, 'mod_lesson', 'mediafile', 0, array('subdirs'=>0, 'maxbytes' => $this->course->maxbytes, 'maxfiles' => 1));
$defaultvalues['mediafile'] = $draftitemid;
}
}
/**
* Enforce validation rules here
*
* @param object $data Post data to validate
* @return array
**/
function validation($data, $files) {
$errors = parent::validation($data, $files);
// Check open and close times are consistent.
if ($data['available'] != 0 && $data['deadline'] != 0 &&
$data['deadline'] < $data['available']) {
$errors['deadline'] = get_string('closebeforeopen', 'lesson');
}
if (!empty($data['usepassword']) && empty($data['password'])) {
$errors['password'] = get_string('emptypassword', 'lesson');
}
return $errors;
}
/**
* Display module-specific activity completion rules.
* Part of the API defined by moodleform_mod
* @return array Array of string IDs of added items, empty array if none
*/
public function add_completion_rules() {
$mform = $this->_form;
$mform->addElement('checkbox', 'completionendreached', get_string('completionendreached', 'lesson'),
get_string('completionendreached_desc', 'lesson'));
// Enable this completion rule by default.
$mform->setDefault('completionendreached', 1);
$group = array();
$group[] =& $mform->createElement('checkbox', 'completiontimespentenabled', '',
get_string('completiontimespent', 'lesson'));
$group[] =& $mform->createElement('duration', 'completiontimespent', '', array('optional' => false));
$mform->addGroup($group, 'completiontimespentgroup', get_string('completiontimespentgroup', 'lesson'), array(' '), false);
$mform->disabledIf('completiontimespent[number]', 'completiontimespentenabled', 'notchecked');
$mform->disabledIf('completiontimespent[timeunit]', 'completiontimespentenabled', 'notchecked');
return array('completionendreached', 'completiontimespentgroup');
}
/**
* Called during validation. Indicates whether a module-specific completion rule is selected.
*
* @param array $data Input data (not yet validated)
* @return bool True if one or more rules is enabled, false if none are.
*/
public function completion_rule_enabled($data) {
return !empty($data['completionendreached']) || $data['completiontimespent'] > 0;
}
/**
* Allows module to modify the data returned by form get_data().
* This method is also called in the bulk activity completion form.
*
* Only available on moodleform_mod.
*
* @param stdClass $data the form data to be modified.
*/
public function data_postprocessing($data) {
parent::data_postprocessing($data);
// Turn off completion setting if the checkbox is not ticked.
if (!empty($data->completionunlocked)) {
$autocompletion = !empty($data->completion) && $data->completion == COMPLETION_TRACKING_AUTOMATIC;
if (empty($data->completiontimespentenabled) || !$autocompletion) {
$data->completiontimespent = 0;
}
if (empty($data->completionendreached) || !$autocompletion) {
$data->completionendreached = 0;
}
}
}
}