/**
* Get content of uploaded file.
* @param $element name of file upload element
* @return mixed false in case of failure, string if ok
*/
function get_file_content($elname)
{
global $USER;
if (!$this->is_submitted() or !$this->is_validated()) {
return false;
}
$element = $this->_form->getElement($elname);
if ($element instanceof MoodleQuickForm_filepicker) {
$values = $this->_form->exportValues($elname);
if (empty($values[$elname])) {
return false;
}
$draftid = $values[$elname];
$fs = get_file_storage();
$context = get_context_instance(CONTEXT_USER, $USER->id);
if (!($files = $fs->get_area_files($context->id, 'user_draft', $draftid, 'id DESC', false))) {
return false;
}
$file = reset($files);
return $file->get_content();
} else {
if (isset($_FILES[$elname])) {
return file_get_contents($_FILES[$elname]['tmp_name']);
}
}
return false;
}
/**
* Add question-type specific form fields.
*
* @param MoodleQuickForm $mform the form being built.
*/
function definition_inner(&$mform)
{
global $QTYPES;
$this->qtypeobj =& $QTYPES[$this->qtype()];
$label = get_string("sharedwildcards", "qtype_datasetdependent");
$mform->addElement('hidden', 'initialcategory', 1);
$html2 = $this->qtypeobj->print_dataset_definitions_category($this->question);
$mform->insertElementBefore($mform->createElement('static', 'listcategory', $label, $html2), 'name');
$addfieldsname = 'updatecategory';
$addstring = get_string("updatecategory", "qtype_calculated");
$mform->registerNoSubmitButton($addfieldsname);
$mform->insertElementBefore($mform->createElement('submit', $addfieldsname, $addstring), 'listcategory');
$repeated = array();
$repeated[] =& $mform->createElement('header', 'answerhdr', get_string('answerhdr', 'qtype_calculated', '{no}'));
$repeated[] =& $mform->createElement('text', 'answers', get_string('correctanswerformula', 'quiz') . '=', array('size' => 50));
$repeatedoptions['answers']['type'] = PARAM_NOTAGS;
$creategrades = get_grade_options();
$gradeoptions = $creategrades->gradeoptions;
$repeated[] =& $mform->createElement('select', 'fraction', get_string('grade'), $gradeoptions);
$repeatedoptions['fraction']['default'] = 0;
$repeated[] =& $mform->createElement('text', 'tolerance', get_string('tolerance', 'qtype_calculated'));
$repeatedoptions['tolerance']['type'] = PARAM_NUMBER;
$repeatedoptions['tolerance']['default'] = 0.01;
$repeated[] =& $mform->createElement('select', 'tolerancetype', get_string('tolerancetype', 'quiz'), $this->qtypeobj->tolerance_types());
$repeated[] =& $mform->createElement('select', 'correctanswerlength', get_string('correctanswershows', 'qtype_calculated'), range(0, 9));
$repeatedoptions['correctanswerlength']['default'] = 2;
$answerlengthformats = array('1' => get_string('decimalformat', 'quiz'), '2' => get_string('significantfiguresformat', 'quiz'));
$repeated[] =& $mform->createElement('select', 'correctanswerformat', get_string('correctanswershowsformat', 'qtype_calculated'), $answerlengthformats);
$repeated[] =& $mform->createElement('htmleditor', 'feedback', get_string('feedback', 'quiz'));
$repeatedoptions['feedback']['type'] = PARAM_RAW;
if (isset($this->question->options)) {
$count = count($this->question->options->answers);
} else {
$count = 0;
}
$repeatsatstart = $count + 1;
$this->repeat_elements($repeated, $repeatsatstart, $repeatedoptions, 'noanswers', 'addanswers', 1, get_string('addmoreanswerblanks', 'qtype_calculated'));
$repeated = array();
$repeated[] =& $mform->createElement('header', 'unithdr', get_string('unithdr', 'qtype_numerical', '{no}'));
$repeated[] =& $mform->createElement('text', 'unit', get_string('unit', 'quiz'));
$mform->setType('unit', PARAM_NOTAGS);
$repeated[] =& $mform->createElement('text', 'multiplier', get_string('multiplier', 'quiz'));
$mform->setType('multiplier', PARAM_NUMBER);
if (isset($this->question->options)) {
$countunits = count($this->question->options->units);
} else {
$countunits = 0;
}
$repeatsatstart = $countunits + 1;
$this->repeat_elements($repeated, $repeatsatstart, array(), 'nounits', 'addunits', 2, get_string('addmoreunitblanks', 'qtype_calculated', '{no}'));
$firstunit =& $mform->getElement('multiplier[0]');
$firstunit->freeze();
$firstunit->setValue('1.0');
$firstunit->setPersistantFreeze(true);
//hidden elements
$mform->addElement('hidden', 'wizard', 'datasetdefinitions');
$mform->setType('wizard', PARAM_ALPHA);
}
/**
* Add question-type specific form fields.
*
* @param MoodleQuickForm $mform the form being built.
*/
function definition_inner(&$mform)
{
//------------------------------------------------------------------------------------------
$creategrades = get_grade_options();
$gradeoptions = $creategrades->gradeoptions;
$repeated = array();
$repeatedoptions = array();
$repeated[] =& $mform->createElement('header', 'answerhdr', get_string('answerno', 'qtype_numerical', '{no}'));
$repeated[] =& $mform->createElement('text', 'answer', get_string('answer', 'quiz'));
$mform->setType('answer', PARAM_RAW);
$repeated[] =& $mform->createElement('text', 'tolerance', get_string('acceptederror', 'quiz'));
$mform->setType('tolerance', PARAM_NUMBER);
$repeated[] =& $mform->createElement('select', 'fraction', get_string('grade'), $gradeoptions);
$repeatedoptions['fraction']['default'] = 0;
$repeated[] =& $mform->createElement('htmleditor', 'feedback', get_string('feedback', 'quiz'), array('course' => $this->coursefilesid));
$mform->setType('feedback', PARAM_RAW);
if (isset($this->question->options)) {
$countanswers = count($this->question->options->answers);
} else {
$countanswers = 0;
}
if ($this->question->formoptions->repeatelements) {
$repeatsatstart = QUESTION_NUMANS_START > $countanswers + 1 ? QUESTION_NUMANS_START : $countanswers + 1;
} else {
$repeatsatstart = $countanswers;
}
$this->repeat_elements($repeated, $repeatsatstart, $repeatedoptions, 'noanswers', 'addanswers', 2, get_string('addmoreanswerblanks', 'qtype_numerical'));
//------------------------------------------------------------------------------------------
$repeated = array();
$repeated[] =& $mform->createElement('header', 'unithdr', get_string('unithdr', 'qtype_numerical', '{no}'));
$repeated[] =& $mform->createElement('text', 'unit', get_string('unit', 'quiz'));
$mform->setType('unit', PARAM_NOTAGS);
$repeated[] =& $mform->createElement('text', 'multiplier', get_string('multiplier', 'quiz'));
$mform->setType('multiplier', PARAM_NUMBER);
if (isset($this->question->options)) {
$countunits = count($this->question->options->units);
} else {
$countunits = 0;
}
if ($this->question->formoptions->repeatelements) {
$repeatsatstart = $countunits + 2;
} else {
$repeatsatstart = $countunits;
}
$this->repeat_elements($repeated, $repeatsatstart, array(), 'nounits', 'addunits', 2, get_string('addmoreunitblanks', 'qtype_numerical'));
$firstunit =& $mform->getElement('multiplier[0]');
$firstunit->freeze();
$firstunit->setValue('1.0');
$firstunit->setPersistantFreeze(true);
}
