public function definition() {

global $COURSE;

$mform = $this->_form;

// Adding the "general" fieldset, where all the common settings are showed.

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

// Adding the standard "name" field.

$mform->addElement('text', 'name', get_string('name', 'teambuilder'), array('size' => '64'));

$mform->setType('name', PARAM_TEXT);

$mform->addRule('name', null, 'required', null, 'client');

$mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');

// Adding the required "intro" field to hold the description of the instance.

$this->standard_intro_elements(get_string('intro', 'teambuilder'));

$mform->addHelpButton('introeditor', 'intro', 'teambuilder');

// Adding the rest of teambuilder settings, spreeading all them into this fieldset

// or adding more fieldsets ('header' elements) if needed for better logic.

$groups = groups_get_all_groups($COURSE->id);

$options[0] = get_string('allstudents', 'mod_teambuilder');

foreach ($groups as $group) {

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

}

$mform->addElement('select', 'groupid', 'Group', $options);

$mform->addElement('date_time_selector', 'open', 'Open Date');

$mform->addElement('static', 'openInfo', '', 'You will not be able to modify your questionnaire after this date.');

$mform->addElement('date_time_selector', 'close', 'Close Date');

$mform->addElement('checkbox', 'allowupdate', 'Allow updating of answers');

// Add standard elements, common to all modules.

$features = new stdClass;

$features->groups = false;

$features->groupings = true;

$features->groupmembersonly = true;

$this->standard_coursemodule_elements($features);

// Add standard buttons, common to all modules.

$this->add_action_buttons();

}

public function definition_after_data() {

parent::definition_after_data();

$mform = $this->_form;

if ($id = $mform->getElementValue('update')) {

$dta = $mform->getElementValue('open');

$dt = mktime($dta['hour'][0], $dta['minute'][0], 0, $dta['month'][0], $dta['day'][0], $dta['year'][0]);

if ($dt < time()) {

$el = $mform->createElement('static', 'openlabel', 'Open', date("D d/m/Y H:i", $dt));

$mform->insertElementBefore($el, 'open');

$mform->removeElement('open');

$mform->addElement('hidden', 'opendt', $dt);

}

}

}