/**

* Called to define this moodle form

*

* @return void

*/

public function definition() {

global $CFG, $COURSE, $DB, $PAGE;

$sphereLib;

$mform = $this->_form;

$sphereLib = new setask_sphere();

#here we get a list of problems from sphere engine

$problems = $sphereLib->getProblemsToForm();//sphereGetProblems();

#$sphereLib->getProblemsToForm();//s

#var_dump($problems);

$mform->addElement('header', 'general', get_string('general', 'form'));

$mform->addElement('select', 'problem', 'Problem: ',$problems);

$mform->addElement('text', 'name', get_string('setaskmentname', 'setask'), 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(get_string('description', 'setask'));

$mform->addElement('filemanager', 'introattachments',

get_string('introattachments', 'setask'),

null, array('subdirs' => 0, 'maxbytes' => $COURSE->maxbytes) );

$mform->addHelpButton('introattachments', 'introattachments', 'setask');

$ctx = null;

if ($this->current && $this->current->coursemodule) {

$cm = get_coursemodule_from_instance('setask', $this->current->id, 0, false, MUST_EXIST);

$ctx = context_module::instance($cm->id);

}

$setaskment = new setask($ctx, null, null);

if ($this->current && $this->current->course) {

if (!$ctx) {

$ctx = context_course::instance($this->current->course);

}

$course = $DB->get_record('course', array('id'=>$this->current->course), '*', MUST_EXIST);

$setaskment->set_course($course);

}

$config = get_config('setask');

$mform->addElement('header', 'availability', get_string('availability', 'setask'));

$mform->setExpanded('availability', true);

$name = get_string('allowsubmissionsfromdate', 'setask');

$options = array('optional'=>true);

$mform->addElement('date_time_selector', 'allowsubmissionsfromdate', $name, $options);

$mform->addHelpButton('allowsubmissionsfromdate', 'allowsubmissionsfromdate', 'setask');

$name = get_string('duedate', 'setask');

$mform->addElement('date_time_selector', 'duedate', $name, array('optional'=>true));

$mform->addHelpButton('duedate', 'duedate', 'setask');

$name = get_string('cutoffdate', 'setask');

$mform->addElement('date_time_selector', 'cutoffdate', $name, array('optional'=>true));

$mform->addHelpButton('cutoffdate', 'cutoffdate', 'setask');

$name = get_string('alwaysshowdescription', 'setask');

$mform->addElement('checkbox', 'alwaysshowdescription', $name);

$mform->addHelpButton('alwaysshowdescription', 'alwaysshowdescription', 'setask');

$mform->disabledIf('alwaysshowdescription', 'allowsubmissionsfromdate[enabled]', 'notchecked');

$setaskment->add_all_plugin_settings($mform);

$mform->addElement('header', 'submissionsettings', get_string('submissionsettings', 'setask'));

$name = get_string('submissiondrafts', 'setask');

$mform->addElement('selectyesno', 'submissiondrafts', $name);

$mform->addHelpButton('submissiondrafts', 'submissiondrafts', 'setask');

$name = get_string('requiresubmissionstatement', 'setask');

$mform->addElement('selectyesno', 'requiresubmissionstatement', $name);

$mform->addHelpButton('requiresubmissionstatement',

'requiresubmissionstatement',

'setask');

$mform->setType('requiresubmissionstatement', PARAM_BOOL);

$options = array(

ASSIGN_ATTEMPT_REOPEN_METHOD_NONE => get_string('attemptreopenmethod_none', 'mod_setask'),

ASSIGN_ATTEMPT_REOPEN_METHOD_MANUAL => get_string('attemptreopenmethod_manual', 'mod_setask'),

ASSIGN_ATTEMPT_REOPEN_METHOD_UNTILPASS => get_string('attemptreopenmethod_untilpass', 'mod_setask')

);

$mform->addElement('select', 'attemptreopenmethod', get_string('attemptreopenmethod', 'mod_setask'), $options);

$mform->addHelpButton('attemptreopenmethod', 'attemptreopenmethod', 'mod_setask');

$options = array(ASSIGN_UNLIMITED_ATTEMPTS => get_string('unlimitedattempts', 'mod_setask'));

$options += array_combine(range(1, 30), range(1, 30));

$mform->addElement('select', 'maxattempts', get_string('maxattempts', 'mod_setask'), $options);

$mform->addHelpButton('maxattempts', 'maxattempts', 'setask');

$mform->disabledIf('maxattempts', 'attemptreopenmethod', 'eq', ASSIGN_ATTEMPT_REOPEN_METHOD_NONE);

$mform->addElement('header', 'groupsubmissionsettings', get_string('groupsubmissionsettings', 'setask'));

$name = get_string('teamsubmission', 'setask');

$mform->addElement('selectyesno', 'teamsubmission', $name);

$mform->addHelpButton('teamsubmission', 'teamsubmission', 'setask');

if ($setaskment->has_submissions_or_grades()) {

$mform->freeze('teamsubmission');

}

$name = get_string('preventsubmissionnotingroup', 'setask');

$mform->addElement('selectyesno', 'preventsubmissionnotingroup', $name);

$mform->addHelpButton('preventsubmissionnotingroup',

'preventsubmissionnotingroup',

'setask');

$mform->setType('preventsubmissionnotingroup', PARAM_BOOL);

$mform->disabledIf('preventsubmissionnotingroup', 'teamsubmission', 'eq', 0);

$name = get_string('requireallteammemberssubmit', 'setask');

$mform->addElement('selectyesno', 'requireallteammemberssubmit', $name);

$mform->addHelpButton('requireallteammemberssubmit', 'requireallteammemberssubmit', 'setask');

$mform->disabledIf('requireallteammemberssubmit', 'teamsubmission', 'eq', 0);

$mform->disabledIf('requireallteammemberssubmit', 'submissiondrafts', 'eq', 0);

$groupings = groups_get_all_groupings($setaskment->get_course()->id);

$options = array();

$options[0] = get_string('none');

foreach ($groupings as $grouping) {

$options[$grouping->id] = $grouping->name;

}

$name = get_string('teamsubmissiongroupingid', 'setask');

$mform->addElement('select', 'teamsubmissiongroupingid', $name, $options);

$mform->addHelpButton('teamsubmissiongroupingid', 'teamsubmissiongroupingid', 'setask');

$mform->disabledIf('teamsubmissiongroupingid', 'teamsubmission', 'eq', 0);

if ($setaskment->has_submissions_or_grades()) {

$mform->freeze('teamsubmissiongroupingid');

}

$mform->addElement('header', 'notifications', get_string('notifications', 'setask'));

$name = get_string('sendnotifications', 'setask');

$mform->addElement('selectyesno', 'sendnotifications', $name);

$mform->addHelpButton('sendnotifications', 'sendnotifications', 'setask');

$name = get_string('sendlatenotifications', 'setask');

$mform->addElement('selectyesno', 'sendlatenotifications', $name);

$mform->addHelpButton('sendlatenotifications', 'sendlatenotifications', 'setask');

$mform->disabledIf('sendlatenotifications', 'sendnotifications', 'eq', 1);

$name = get_string('sendstudentnotificationsdefault', 'setask');

$mform->addElement('selectyesno', 'sendstudentnotifications', $name);

$mform->addHelpButton('sendstudentnotifications', 'sendstudentnotificationsdefault', 'setask');

// Plagiarism enabling form.

if (!empty($CFG->enableplagiarism)) {

require_once($CFG->libdir . '/plagiarismlib.php');

plagiarism_get_form_elements_module($mform, $ctx->get_course_context(), 'mod_setask');

}

$this->standard_grading_coursemodule_elements();

$name = get_string('blindmarking', 'setask');

$mform->addElement('selectyesno', 'blindmarking', $name);

$mform->addHelpButton('blindmarking', 'blindmarking', 'setask');

if ($setaskment->has_submissions_or_grades() ) {

$mform->freeze('blindmarking');

}

$name = get_string('markingworkflow', 'setask');

$mform->addElement('selectyesno', 'markingworkflow', $name);

$mform->addHelpButton('markingworkflow', 'markingworkflow', 'setask');

$name = get_string('markingallocation', 'setask');

$mform->addElement('selectyesno', 'markingallocation', $name);

$mform->addHelpButton('markingallocation', 'markingallocation', 'setask');

$mform->disabledIf('markingallocation', 'markingworkflow', 'eq', 0);

$this->standard_coursemodule_elements();

$this->apply_admin_defaults();

$this->add_action_buttons();

// Add warning popup/noscript tag, if grades are changed by user.

$hasgrade = false;

if (!empty($this->_instance)) {

$hasgrade = $DB->record_exists_select('setask_grades',

'setaskment = ? AND grade <> -1',

array($this->_instance));

}

if ($mform->elementExists('grade') && $hasgrade) {

$module = array(

'name' => 'mod_setask',

'fullpath' => '/mod/setask/module.js',

'requires' => array('node', 'event'),

'strings' => array(array('changegradewarning', 'mod_setask'))

);

$PAGE->requires->js_init_call('M.mod_setask.init_grade_change', null, false, $module);

// Add noscript tag in case.

$noscriptwarning = $mform->createElement('static',

'warning',

null,

html_writer::tag('noscript',

get_string('changegradewarning', 'mod_setask')));

$mform->insertElementBefore($noscriptwarning, 'grade');

}

}

/**

* Perform minimal validation on the settings form

* @param array $data

* @param array $files

*/

public function validation($data, $files) {

$errors = parent::validation($data, $files);

if ($data['allowsubmissionsfromdate'] && $data['duedate']) {

if ($data['allowsubmissionsfromdate'] > $data['duedate']) {

$errors['duedate'] = get_string('duedatevalidation', 'setask');

}

}

if ($data['duedate'] && $data['cutoffdate']) {

if ($data['duedate'] > $data['cutoffdate']) {

$errors['cutoffdate'] = get_string('cutoffdatevalidation', 'setask');

}

}

if ($data['allowsubmissionsfromdate'] && $data['cutoffdate']) {

if ($data['allowsubmissionsfromdate'] > $data['cutoffdate']) {

$errors['cutoffdate'] = get_string('cutoffdatefromdatevalidation', 'setask');

}

}

if ($data['blindmarking'] && $data['attemptreopenmethod'] == ASSIGN_ATTEMPT_REOPEN_METHOD_UNTILPASS) {

$errors['attemptreopenmethod'] = get_string('reopenuntilpassincompatiblewithblindmarking', 'setask');

}

return $errors;

}

/**

* Any data processing needed before the form is displayed

* (needed to set up draft areas for editor and filemanager elements)

* @param array $defaultvalues

*/

public function data_preprocessing(&$defaultvalues) {

global $DB;

$ctx = null;

if ($this->current && $this->current->coursemodule) {

$cm = get_coursemodule_from_instance('setask', $this->current->id, 0, false, MUST_EXIST);

$ctx = context_module::instance($cm->id);

}

$setaskment = new setask($ctx, null, null);

if ($this->current && $this->current->course) {

if (!$ctx) {

$ctx = context_course::instance($this->current->course);

}

$course = $DB->get_record('course', array('id'=>$this->current->course), '*', MUST_EXIST);

$setaskment->set_course($course);

}

$draftitemid = file_get_submitted_draft_itemid('introattachments');

file_prepare_draft_area($draftitemid, $ctx->id, 'mod_setask', ASSIGN_INTROATTACHMENT_FILEAREA,

0, array('subdirs' => 0));

$defaultvalues['introattachments'] = $draftitemid;

$setaskment->plugin_data_preprocessing($defaultvalues);

}

/**

* Add any custom completion rules to the form.

*

* @return array Contains the names of the added form elements

*/

public function add_completion_rules() {

$mform =& $this->_form;

$mform->addElement('checkbox', 'completionsubmit', '', get_string('completionsubmit', 'setask'));

return array('completionsubmit');

}

/**

* Determines if completion is enabled for this module.

*

* @param array $data

* @return bool

*/

public function completion_rule_enabled($data) {

return !empty($data['completionsubmit']);

}