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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/>.
/**
* Defines the renderer for the deferred feedback with certainty based marking
* behaviour.
*
* @package qbehaviour
* @subpackage deferredcbm
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Renderer for outputting parts of a question belonging to the deferred
* feedback with certainty based marking behaviour.
*
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qbehaviour_deferredcbm_renderer extends qbehaviour_renderer {
protected function certainty_choices($controlname, $selected, $readonly) {
$attributes = array(
'type' => 'radio',
'name' => $controlname,
);
if ($readonly) {
$attributes['disabled'] = 'disabled';
}
$choices = '';
foreach (question_cbm::$certainties as $certainty) {
$id = $controlname . $certainty;
$attributes['id'] = $id;
$attributes['value'] = $certainty;
if ($selected == $certainty) {
$attributes['checked'] = 'checked';
} else {
unset($attributes['checked']);
}
$choices .= ' ' .
html_writer::tag('label', html_writer::empty_tag('input', $attributes) .
question_cbm::get_string($certainty), array('for' => $id));
}
return $choices;
}
public function controls(question_attempt $qa, question_display_options $options) {
$a = new stdClass();
$a->help = $this->output->help_icon('certainty', 'qbehaviour_deferredcbm');
$a->choices = $this->certainty_choices($qa->get_behaviour_field_name('certainty'),
$qa->get_last_behaviour_var('certainty'), $options->readonly);
return html_writer::tag('div', get_string('howcertainareyou', 'qbehaviour_deferredcbm', $a),
array('class' => 'certaintychoices'));
}
public function feedback(question_attempt $qa, question_display_options $options) {
if (!$options->feedback) {
return '';
}
if ($qa->get_state() == question_state::$gaveup || $qa->get_state() ==
question_state::$mangaveup) {
return '';
}
$feedback = '';
if (!$qa->get_last_behaviour_var('certainty') &&
$qa->get_last_behaviour_var('_assumedcertainty')) {
$feedback .= html_writer::tag('p',
get_string('assumingcertainty', 'qbehaviour_deferredcbm',
question_cbm::get_string($qa->get_last_behaviour_var('_assumedcertainty'))));
}
return $feedback;
}
public function marked_out_of_max(question_attempt $qa, core_question_renderer $qoutput,
question_display_options $options) {
return get_string('weightx', 'qbehaviour_deferredcbm', $qa->format_fraction_as_mark(
question_cbm::adjust_fraction(1, question_cbm::default_certainty()),
$options->markdp));
}
public function mark_out_of_max(question_attempt $qa, core_question_renderer $qoutput,
question_display_options $options) {
return get_string('cbmmark', 'qbehaviour_deferredcbm', $qa->format_mark($options->markdp)) .
'<br>' . $this->marked_out_of_max($qa, $qoutput, $options);
}
}