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<?php
require_once ($CFG->libdir.'/formslib.php');
require_once($CFG->libdir.'/completionlib.php');
/**
* This class adds extra methods to form wrapper specific to be used for module
* add / update forms mod/{modname}/mod_form.php replaced deprecated mod/{modname}/mod.html
*/
abstract class moodleform_mod extends moodleform {
/** Current data */
protected $current;
/**
* Instance of the module that is being updated. This is the id of the {prefix}{modulename}
* record. Can be used in form definition. Will be "" if this is an 'add' form and not an
* update one.
*
* @var mixed
*/
protected $_instance;
/**
* Section of course that module instance will be put in or is in.
* This is always the section number itself (column 'section' from 'course_sections' table).
*
* @var mixed
*/
protected $_section;
/**
* Course module record of the module that is being updated. Will be null if this is an 'add' form and not an
* update one.
*
* @var mixed
*/
protected $_cm;
/**
* List of modform features
*/
protected $_features;
/**
* @var array Custom completion-rule elements, if enabled
*/
protected $_customcompletionelements;
/**
* @var string name of module
*/
protected $_modname;
/** current context, course or module depends if already exists*/
protected $context;
/** a flag indicating whether outcomes are being used*/
protected $_outcomesused;
function moodleform_mod($current, $section, $cm, $course) {
$this->current = $current;
$this->_instance = $current->instance;
$this->_section = $section;
$this->_cm = $cm;
if ($this->_cm) {
$this->context = get_context_instance(CONTEXT_MODULE, $this->_cm->id);
} else {
$this->context = get_context_instance(CONTEXT_COURSE, $course->id);
}
// Guess module name
$matches = array();
if (!preg_match('/^mod_([^_]+)_mod_form$/', get_class($this), $matches)) {
debugging('Use $modname parameter or rename form to mod_xx_mod_form, where xx is name of your module');
print_error('unknownmodulename');
}
$this->_modname = $matches[1];
$this->init_features();
parent::moodleform('modedit.php');
}
protected function init_features() {
global $CFG;
$this->_features = new stdClass();
$this->_features->groups = plugin_supports('mod', $this->_modname, FEATURE_GROUPS, true);
$this->_features->groupings = plugin_supports('mod', $this->_modname, FEATURE_GROUPINGS, false);
$this->_features->groupmembersonly = (!empty($CFG->enablegroupmembersonly) and plugin_supports('mod', $this->_modname, FEATURE_GROUPMEMBERSONLY, false));
$this->_features->outcomes = (!empty($CFG->enableoutcomes) and plugin_supports('mod', $this->_modname, FEATURE_GRADE_OUTCOMES, true));
$this->_features->hasgrades = plugin_supports('mod', $this->_modname, FEATURE_GRADE_HAS_GRADE, false);
$this->_features->idnumber = plugin_supports('mod', $this->_modname, FEATURE_IDNUMBER, true);
$this->_features->introeditor = plugin_supports('mod', $this->_modname, FEATURE_MOD_INTRO, true);
$this->_features->defaultcompletion = plugin_supports('mod', $this->_modname, FEATURE_MODEDIT_DEFAULT_COMPLETION, true);
$this->_features->rating = plugin_supports('mod', $this->_modname, FEATURE_RATE, false);
$this->_features->gradecat = ($this->_features->outcomes or $this->_features->hasgrades);
}
/**
* Only available on moodleform_mod.
*
* @param array $default_values passed by reference
*/
function data_preprocessing(&$default_values){
if (empty($default_values['scale'])) {
$default_values['assessed'] = 0;
}
if (empty($default_values['assessed'])){
$default_values['ratingtime'] = 0;
} else {
$default_values['ratingtime']=
($default_values['assesstimestart'] && $default_values['assesstimefinish']) ? 1 : 0;
}
}
/**
* Each module which defines definition_after_data() must call this method using parent::definition_after_data();
*/
function definition_after_data() {
global $CFG, $COURSE;
$mform =& $this->_form;
if ($id = $mform->getElementValue('update')) {
$modulename = $mform->getElementValue('modulename');
$instance = $mform->getElementValue('instance');
if ($this->_features->gradecat) {
$gradecat = false;
if (!empty($CFG->enableoutcomes) and $this->_features->outcomes) {
$outcomes = grade_outcome::fetch_all_available($COURSE->id);
if (!empty($outcomes)) {
$gradecat = true;
}
}
$items = grade_item::fetch_all(array('itemtype'=>'mod', 'itemmodule'=>$modulename,'iteminstance'=>$instance, 'courseid'=>$COURSE->id));
//will be no items if, for example, this activity supports ratings but rating aggregate type == no ratings
if (!empty($items)) {
foreach ($items as $item) {
if (!empty($item->outcomeid)) {
$elname = 'outcome_'.$item->outcomeid;
if ($mform->elementExists($elname)) {
$mform->hardFreeze($elname); // prevent removing of existing outcomes
}
}
}
foreach ($items as $item) {
if (is_bool($gradecat)) {
$gradecat = $item->categoryid;
continue;
}
if ($gradecat != $item->categoryid) {
//mixed categories
$gradecat = false;
break;
}
}
}
if ($gradecat === false) {
// items and outcomes in different categories - remove the option
// TODO: add a "Mixed categories" text instead of removing elements with no explanation
if ($mform->elementExists('gradecat')) {
$mform->removeElement('gradecat');
if ($this->_features->rating) {
//if supports ratings then the max grade dropdown wasnt added so the grade box can be removed entirely
$mform->removeElement('modstandardgrade');
}
}
}
}
}
if ($COURSE->groupmodeforce) {
if ($mform->elementExists('groupmode')) {
$mform->hardFreeze('groupmode'); // groupmode can not be changed if forced from course settings
}
}
if ($mform->elementExists('groupmode') and !$mform->elementExists('groupmembersonly') and empty($COURSE->groupmodeforce)) {
$mform->disabledIf('groupingid', 'groupmode', 'eq', NOGROUPS);
} else if (!$mform->elementExists('groupmode') and $mform->elementExists('groupmembersonly')) {
$mform->disabledIf('groupingid', 'groupmembersonly', 'notchecked');
} else if (!$mform->elementExists('groupmode') and !$mform->elementExists('groupmembersonly')) {
// groupings have no use without groupmode or groupmembersonly
if ($mform->elementExists('groupingid')) {
$mform->removeElement('groupingid');
}
}
// Completion: If necessary, freeze fields
$completion = new completion_info($COURSE);
if ($completion->is_enabled()) {
// If anybody has completed the activity, these options will be 'locked'
$completedcount = empty($this->_cm)
? 0
: $completion->count_user_data($this->_cm);
$freeze = false;
if (!$completedcount) {
if ($mform->elementExists('unlockcompletion')) {
$mform->removeElement('unlockcompletion');
}
// Automatically set to unlocked (note: this is necessary
// in order to make it recalculate completion once the option
// is changed, maybe someone has completed it now)
$mform->getElement('completionunlocked')->setValue(1);
} else {
// Has the element been unlocked?
if ($mform->exportValue('unlockcompletion')) {
// Yes, add in warning text and set the hidden variable
$mform->insertElementBefore(
$mform->createElement('static', 'completedunlocked',
get_string('completedunlocked', 'completion'),
get_string('completedunlockedtext', 'completion')),
'unlockcompletion');
$mform->removeElement('unlockcompletion');
$mform->getElement('completionunlocked')->setValue(1);
} else {
// No, add in the warning text with the count (now we know
// it) before the unlock button
$mform->insertElementBefore(
$mform->createElement('static', 'completedwarning',
get_string('completedwarning', 'completion'),
get_string('completedwarningtext', 'completion', $completedcount)),
'unlockcompletion');
$freeze = true;
}
}
if ($freeze) {
$mform->freeze('completion');
if ($mform->elementExists('completionview')) {
$mform->freeze('completionview'); // don't use hardFreeze or checkbox value gets lost
}
if ($mform->elementExists('completionusegrade')) {
$mform->freeze('completionusegrade');
}
$mform->freeze($this->_customcompletionelements);
}
}
// Availability conditions
if (!empty($CFG->enableavailability) && $this->_cm) {
$ci = new condition_info($this->_cm);
$fullcm=$ci->get_full_course_module();
$num=0;
foreach($fullcm->conditionsgrade as $gradeitemid=>$minmax) {
$groupelements=$mform->getElement('conditiongradegroup['.$num.']')->getElements();
$groupelements[0]->setValue($gradeitemid);
// These numbers are always in the format 0.00000 - the rtrims remove any final zeros and,
// if it is a whole number, the decimal place.
$groupelements[2]->setValue(is_null($minmax->min)?'':rtrim(rtrim($minmax->min,'0'),'.'));
$groupelements[4]->setValue(is_null($minmax->max)?'':rtrim(rtrim($minmax->max,'0'),'.'));
$num++;
}
if ($completion->is_enabled()) {
$num=0;
foreach($fullcm->conditionscompletion as $othercmid=>$state) {
$groupelements=$mform->getElement('conditioncompletiongroup['.$num.']')->getElements();
$groupelements[0]->setValue($othercmid);
$groupelements[1]->setValue($state);
$num++;
}
}
}
}
// form verification
function validation($data, $files) {
global $COURSE, $DB;
$errors = parent::validation($data, $files);
$mform =& $this->_form;
$errors = array();
if ($mform->elementExists('name')) {
$name = trim($data['name']);
if ($name == '') {
$errors['name'] = get_string('required');
}
}
$grade_item = grade_item::fetch(array('itemtype'=>'mod', 'itemmodule'=>$data['modulename'],
'iteminstance'=>$data['instance'], 'itemnumber'=>0, 'courseid'=>$COURSE->id));
if ($data['coursemodule']) {
$cm = $DB->get_record('course_modules', array('id'=>$data['coursemodule']));
} else {
$cm = null;
}
if ($mform->elementExists('cmidnumber')) {
// verify the idnumber
if (!grade_verify_idnumber($data['cmidnumber'], $COURSE->id, $grade_item, $cm)) {
$errors['cmidnumber'] = get_string('idnumbertaken');
}
}
// Completion: Don't let them choose automatic completion without turning
// on some conditions
if (array_key_exists('completion', $data) && $data['completion']==COMPLETION_TRACKING_AUTOMATIC) {
if (empty($data['completionview']) && empty($data['completionusegrade']) &&
!$this->completion_rule_enabled($data)) {
$errors['completion'] = get_string('badautocompletion', 'completion');
}
}
// Conditions: Don't let them set dates which make no sense
if (array_key_exists('availablefrom', $data) &&
$data['availablefrom'] && $data['availableuntil'] &&
$data['availablefrom'] > $data['availableuntil']) {
$errors['availablefrom'] = get_string('badavailabledates', 'condition');
}
return $errors;
}
/**
* Load in existing data as form defaults. Usually new entry defaults are stored directly in
* form definition (new entry form); this function is used to load in data where values
* already exist and data is being edited (edit entry form).
*
* @param mixed $default_values object or array of default values
*/
function set_data($default_values) {
if (is_object($default_values)) {
$default_values = (array)$default_values;
}
$this->data_preprocessing($default_values);
parent::set_data($default_values);
}
/**
* Adds all the standard elements to a form to edit the settings for an activity module.
*/
function standard_coursemodule_elements(){
global $COURSE, $CFG, $DB;
$mform =& $this->_form;
$this->_outcomesused = false;
if ($this->_features->outcomes) {
if ($outcomes = grade_outcome::fetch_all_available($COURSE->id)) {
$this->_outcomesused = true;
$mform->addElement('header', 'modoutcomes', get_string('outcomes', 'grades'));
foreach($outcomes as $outcome) {
$mform->addElement('advcheckbox', 'outcome_'.$outcome->id, $outcome->get_name());
}
}
}
if ($this->_features->rating) {
require_once($CFG->dirroot.'/rating/lib.php');
$rm = new rating_manager();
$mform->addElement('header', 'modstandardratings', get_string('ratings', 'rating'));
$permission=CAP_ALLOW;
$rolenamestring = null;
if (!empty($this->_cm)) {
$context = get_context_instance(CONTEXT_MODULE, $this->_cm->id);
$rolenames = get_role_names_with_caps_in_context($context, array('moodle/rating:rate', 'mod/'.$this->_cm->modname.':rate'));
$rolenamestring = implode(', ', $rolenames);
} else {
$rolenamestring = get_string('capabilitychecknotavailable','rating');
}
$mform->addElement('static', 'rolewarning', get_string('rolewarning','rating'), $rolenamestring);
$mform->addHelpButton('rolewarning', 'rolewarning', 'rating');
$mform->addElement('select', 'assessed', get_string('aggregatetype', 'rating') , $rm->get_aggregate_types());
$mform->setDefault('assessed', 0);
$mform->addHelpButton('assessed', 'aggregatetype', 'rating');
$mform->addElement('modgrade', 'scale', get_string('scale'), false);
$mform->disabledIf('scale', 'assessed', 'eq', 0);
$mform->addElement('checkbox', 'ratingtime', get_string('ratingtime', 'rating'));
$mform->disabledIf('ratingtime', 'assessed', 'eq', 0);
$mform->addElement('date_time_selector', 'assesstimestart', get_string('from'));
$mform->disabledIf('assesstimestart', 'assessed', 'eq', 0);
$mform->disabledIf('assesstimestart', 'ratingtime');
$mform->addElement('date_time_selector', 'assesstimefinish', get_string('to'));
$mform->disabledIf('assesstimefinish', 'assessed', 'eq', 0);
$mform->disabledIf('assesstimefinish', 'ratingtime');
}
//doing this here means splitting up the grade related settings on the lesson settings page
//$this->standard_grading_coursemodule_elements();
$mform->addElement('header', 'modstandardelshdr', get_string('modstandardels', 'form'));
if ($this->_features->groups) {
$options = array(NOGROUPS => get_string('groupsnone'),
SEPARATEGROUPS => get_string('groupsseparate'),
VISIBLEGROUPS => get_string('groupsvisible'));
$mform->addElement('select', 'groupmode', get_string('groupmode', 'group'), $options, NOGROUPS);
$mform->addHelpButton('groupmode', 'groupmode', 'group');
}
if ($this->_features->groupings or $this->_features->groupmembersonly) {
//groupings selector - used for normal grouping mode or also when restricting access with groupmembersonly
$options = array();
$options[0] = get_string('none');
if ($groupings = $DB->get_records('groupings', array('courseid'=>$COURSE->id))) {
foreach ($groupings as $grouping) {
$options[$grouping->id] = format_string($grouping->name);
}
}
$mform->addElement('select', 'groupingid', get_string('grouping', 'group'), $options);
$mform->addHelpButton('groupingid', 'grouping', 'group');
$mform->setAdvanced('groupingid');
}
if ($this->_features->groupmembersonly) {
$mform->addElement('checkbox', 'groupmembersonly', get_string('groupmembersonly', 'group'));
$mform->addHelpButton('groupmembersonly', 'groupmembersonly', 'group');
$mform->setAdvanced('groupmembersonly');
}
$mform->addElement('modvisible', 'visible', get_string('visible'));
if ($this->_features->idnumber) {
$mform->addElement('text', 'cmidnumber', get_string('idnumbermod'));
$mform->addHelpButton('cmidnumber', 'idnumbermod');
}
if (!empty($CFG->enableavailability)) {
// Conditional availability
$mform->addElement('header', 'availabilityconditionsheader', get_string('availabilityconditions', 'condition'));
$mform->addElement('date_selector', 'availablefrom', get_string('availablefrom', 'condition'), array('optional'=>true));
$mform->addHelpButton('availablefrom', 'availablefrom', 'condition');
$mform->addElement('date_selector', 'availableuntil', get_string('availableuntil', 'condition'), array('optional'=>true));
// Conditions based on grades
$gradeoptions = array();
$items = grade_item::fetch_all(array('courseid'=>$COURSE->id));
$items = $items ? $items : array();
foreach($items as $id=>$item) {
// Do not include grades for current item
if (!empty($this->_cm) && $this->_cm->instance == $item->iteminstance
&& $this->_cm->modname == $item->itemmodule
&& $item->itemtype == 'mod') {
continue;
}
$gradeoptions[$id] = $item->get_name();
}
asort($gradeoptions);
$gradeoptions = array(0=>get_string('none','condition'))+$gradeoptions;
$grouparray = array();
$grouparray[] =& $mform->createElement('select','conditiongradeitemid','',$gradeoptions);
$grouparray[] =& $mform->createElement('static', '', '',' '.get_string('grade_atleast','condition').' ');
$grouparray[] =& $mform->createElement('text', 'conditiongrademin','',array('size'=>3));
$grouparray[] =& $mform->createElement('static', '', '','% '.get_string('grade_upto','condition').' ');
$grouparray[] =& $mform->createElement('text', 'conditiongrademax','',array('size'=>3));
$grouparray[] =& $mform->createElement('static', '', '','%');
$mform->setType('conditiongrademin',PARAM_FLOAT);
$mform->setType('conditiongrademax',PARAM_FLOAT);
$group = $mform->createElement('group','conditiongradegroup',
get_string('gradecondition', 'condition'),$grouparray);
// Get version with condition info and store it so we don't ask
// twice
if(!empty($this->_cm)) {
$ci = new condition_info($this->_cm, CONDITION_MISSING_EXTRATABLE);
$this->_cm = $ci->get_full_course_module();
$count = count($this->_cm->conditionsgrade)+1;
} else {
$count = 1;
}
$this->repeat_elements(array($group), $count, array(), 'conditiongraderepeats', 'conditiongradeadds', 2,
get_string('addgrades', 'condition'), true);
$mform->addHelpButton('conditiongradegroup[0]', 'gradecondition', 'condition');
// Conditions based on completion
$completion = new completion_info($COURSE);
if ($completion->is_enabled()) {
$completionoptions = array();
$modinfo = get_fast_modinfo($COURSE);
foreach($modinfo->cms as $id=>$cm) {
// Add each course-module if it:
// (a) has completion turned on
// (b) is not the same as current course-module
if ($cm->completion && (empty($this->_cm) || $this->_cm->id != $id)) {
$completionoptions[$id]=$cm->name;
}
}
asort($completionoptions);
$completionoptions = array(0=>get_string('none','condition'))+$completionoptions;
$completionvalues=array(
COMPLETION_COMPLETE=>get_string('completion_complete','condition'),
COMPLETION_INCOMPLETE=>get_string('completion_incomplete','condition'),
COMPLETION_COMPLETE_PASS=>get_string('completion_pass','condition'),
COMPLETION_COMPLETE_FAIL=>get_string('completion_fail','condition'));
$grouparray = array();
$grouparray[] =& $mform->createElement('select','conditionsourcecmid','',$completionoptions);
$grouparray[] =& $mform->createElement('select','conditionrequiredcompletion','',$completionvalues);
$group = $mform->createElement('group','conditioncompletiongroup',
get_string('completioncondition', 'condition'),$grouparray);
$count = empty($this->_cm) ? 1 : count($this->_cm->conditionscompletion)+1;
$this->repeat_elements(array($group),$count,array(),
'conditioncompletionrepeats','conditioncompletionadds',2,
get_string('addcompletions','condition'),true);
$mform->addHelpButton('conditioncompletiongroup[0]', 'completioncondition', 'condition');
}
// Do we display availability info to students?
$mform->addElement('select', 'showavailability', get_string('showavailability', 'condition'),
array(CONDITION_STUDENTVIEW_SHOW=>get_string('showavailability_show', 'condition'),
CONDITION_STUDENTVIEW_HIDE=>get_string('showavailability_hide', 'condition')));
$mform->setDefault('showavailability', CONDITION_STUDENTVIEW_SHOW);
}
// Conditional activities: completion tracking section
if(!isset($completion)) {
$completion = new completion_info($COURSE);
}
if ($completion->is_enabled()) {
$mform->addElement('header', 'activitycompletionheader', get_string('activitycompletion', 'completion'));
// Unlock button for if people have completed it (will
// be removed in definition_after_data if they haven't)
$mform->addElement('submit', 'unlockcompletion', get_string('unlockcompletion', 'completion'));
$mform->registerNoSubmitButton('unlockcompletion');
$mform->addElement('hidden', 'completionunlocked', 0);
$mform->setType('completionunlocked', PARAM_INT);
$mform->addElement('select', 'completion', get_string('completion', 'completion'),
array(COMPLETION_TRACKING_NONE=>get_string('completion_none', 'completion'),
COMPLETION_TRACKING_MANUAL=>get_string('completion_manual', 'completion')));
$mform->setDefault('completion', $this->_features->defaultcompletion
? COMPLETION_TRACKING_MANUAL
: COMPLETION_TRACKING_NONE);
$mform->addHelpButton('completion', 'completion', 'completion');
// Automatic completion once you view it
$gotcompletionoptions = false;
if (plugin_supports('mod', $this->_modname, FEATURE_COMPLETION_TRACKS_VIEWS, false)) {
$mform->addElement('checkbox', 'completionview', get_string('completionview', 'completion'),
get_string('completionview_desc', 'completion'));
$mform->disabledIf('completionview', 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
$gotcompletionoptions = true;
}
// Automatic completion once it's graded
if (plugin_supports('mod', $this->_modname, FEATURE_GRADE_HAS_GRADE, false)) {
$mform->addElement('checkbox', 'completionusegrade', get_string('completionusegrade', 'completion'),
get_string('completionusegrade_desc', 'completion'));
$mform->disabledIf('completionusegrade', 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
$mform->addHelpButton('completionusegrade', 'completionusegrade', 'completion');
$gotcompletionoptions = true;
}
// Automatic completion according to module-specific rules
$this->_customcompletionelements = $this->add_completion_rules();
foreach ($this->_customcompletionelements as $element) {
$mform->disabledIf($element, 'completion', 'ne', COMPLETION_TRACKING_AUTOMATIC);
}
$gotcompletionoptions = $gotcompletionoptions ||
count($this->_customcompletionelements)>0;
// Automatic option only appears if possible
if ($gotcompletionoptions) {
$mform->getElement('completion')->addOption(
get_string('completion_automatic', 'completion'),
COMPLETION_TRACKING_AUTOMATIC);
}
// Completion expected at particular date? (For progress tracking)
$mform->addElement('date_selector', 'completionexpected', get_string('completionexpected', 'completion'), array('optional'=>true));
$mform->addHelpButton('completionexpected', 'completionexpected', 'completion');
$mform->disabledIf('completionexpected', 'completion', 'eq', COMPLETION_TRACKING_NONE);
}
$this->standard_hidden_coursemodule_elements();
}
/**
* Can be overridden to add custom completion rules if the module wishes
* them. If overriding this, you should also override completion_rule_enabled.
* <p>
* Just add elements to the form as needed and return the list of IDs. The
* system will call disabledIf and handle other behaviour for each returned
* ID.
* @return array Array of string IDs of added items, empty array if none
*/
function add_completion_rules() {
return array();
}
/**
* Called during validation. Override to indicate, based on the data, whether
* a custom completion rule is enabled (selected).
*
* @param array $data Input data (not yet validated)
* @return bool True if one or more rules is enabled, false if none are;
* default returns false
*/
function completion_rule_enabled(&$data) {
return false;
}
function standard_hidden_coursemodule_elements(){
$mform =& $this->_form;
$mform->addElement('hidden', 'course', 0);
$mform->setType('course', PARAM_INT);
$mform->addElement('hidden', 'coursemodule', 0);
$mform->setType('coursemodule', PARAM_INT);
$mform->addElement('hidden', 'section', 0);
$mform->setType('section', PARAM_INT);
$mform->addElement('hidden', 'module', 0);
$mform->setType('module', PARAM_INT);
$mform->addElement('hidden', 'modulename', '');
$mform->setType('modulename', PARAM_SAFEDIR);
$mform->addElement('hidden', 'instance', 0);
$mform->setType('instance', PARAM_INT);
$mform->addElement('hidden', 'add', 0);
$mform->setType('add', PARAM_ALPHA);
$mform->addElement('hidden', 'update', 0);
$mform->setType('update', PARAM_INT);
$mform->addElement('hidden', 'return', 0);
$mform->setType('return', PARAM_BOOL);
}
public function standard_grading_coursemodule_elements() {
global $COURSE, $CFG;
$mform =& $this->_form;
if ($this->_features->hasgrades) {
if (!$this->_features->rating || $this->_features->gradecat) {
$mform->addElement('header', 'modstandardgrade', get_string('grade'));
}
//if supports grades and grades arent being handled via ratings
if (!$this->_features->rating) {
$mform->addElement('modgrade', 'grade', get_string('grade'));
$mform->setDefault('grade', 100);
}
if ($this->_features->gradecat) {
$categories = grade_get_categories_menu($COURSE->id, $this->_outcomesused);
$mform->addElement('select', 'gradecat', get_string('gradecategory', 'grades'), $categories);
}
}
}
function add_intro_editor($required=false, $customlabel=null) {
if (!$this->_features->introeditor) {
// intro editor not supported in this module
return;
}
$mform = $this->_form;
$label = is_null($customlabel) ? get_string('moduleintro') : $customlabel;
$mform->addElement('editor', 'introeditor', $label, null, array('maxfiles'=>EDITOR_UNLIMITED_FILES, 'noclean'=>true, 'context'=>$this->context));
$mform->setType('introeditor', PARAM_RAW); // no XSS prevention here, users must be trusted
if ($required) {
$mform->addRule('introeditor', get_string('required'), 'required', null, 'client');
}
}
/**
* Overriding formslib's add_action_buttons() method, to add an extra submit "save changes and return" button.
*
* @param bool $cancel show cancel button
* @param string $submitlabel null means default, false means none, string is label text
* @param string $submit2label null means default, false means none, string is label text
* @return void
*/
function add_action_buttons($cancel=true, $submitlabel=null, $submit2label=null) {
if (is_null($submitlabel)) {
$submitlabel = get_string('savechangesanddisplay');
}
if (is_null($submit2label)) {
$submit2label = get_string('savechangesandreturntocourse');
}
$mform = $this->_form;
// elements in a row need a group
$buttonarray = array();
if ($submit2label !== false) {
$buttonarray[] = &$mform->createElement('submit', 'submitbutton2', $submit2label);
}
if ($submitlabel !== false) {
$buttonarray[] = &$mform->createElement('submit', 'submitbutton', $submitlabel);
}
if ($cancel) {
$buttonarray[] = &$mform->createElement('cancel');
}
$mform->addGroup($buttonarray, 'buttonar', '', array(' '), false);
$mform->setType('buttonar', PARAM_RAW);
$mform->closeHeaderBefore('buttonar');
}
}
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