weekly release 3.10.4+
[moodle.git] / question / behaviour / deferredcbm / renderer.php
1 <?php
2 // This file is part of Moodle - http://moodle.org/
3 //
4 // Moodle is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
8 //
9 // Moodle is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 // GNU General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
17 /**
18  * Defines the renderer for the deferred feedback with certainty based marking
19  * behaviour.
20  *
21  * @package    qbehaviour
22  * @subpackage deferredcbm
23  * @copyright  2009 The Open University
24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25  */
28 defined('MOODLE_INTERNAL') || die();
31 /**
32  * Renderer for outputting parts of a question belonging to the deferred
33  * feedback with certainty based marking behaviour.
34  *
35  * @copyright  2009 The Open University
36  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
37  */
38 class qbehaviour_deferredcbm_renderer extends qbehaviour_renderer {
39     protected function certainty_choices($controlname, $selected, $readonly) {
40         $attributes = array(
41             'type' => 'radio',
42             'name' => $controlname,
43         );
44         if ($readonly) {
45             $attributes['disabled'] = 'disabled';
46         }
48         $choices = '';
49         foreach (question_cbm::$certainties as $certainty) {
50             $id = $controlname . $certainty;
51             $attributes['id'] = $id;
52             $attributes['value'] = $certainty;
53             if ($selected == $certainty) {
54                 $attributes['checked'] = 'checked';
55             } else {
56                 unset($attributes['checked']);
57             }
58             $choices .= ' ' .
59                     html_writer::tag('label', html_writer::empty_tag('input', $attributes) .
60                             question_cbm::get_string($certainty), array('for' => $id));
61         }
62         return $choices;
63     }
65     public function controls(question_attempt $qa, question_display_options $options) {
66         $a = new stdClass();
67         $a->help = $this->output->help_icon('certainty', 'qbehaviour_deferredcbm');
68         $a->choices = $this->certainty_choices($qa->get_behaviour_field_name('certainty'),
69                 $qa->get_last_behaviour_var('certainty'), $options->readonly);
71         return html_writer::tag('div', get_string('howcertainareyou', 'qbehaviour_deferredcbm', $a),
72                 array('class' => 'certaintychoices'));
73     }
75     public function feedback(question_attempt $qa, question_display_options $options) {
76         if (!$options->feedback) {
77             return '';
78         }
80         if ($qa->get_state() == question_state::$gaveup || $qa->get_state() ==
81                 question_state::$mangaveup) {
82             return '';
83         }
85         $feedback = '';
86         if (!$qa->get_last_behaviour_var('certainty') &&
87                 $qa->get_last_behaviour_var('_assumedcertainty')) {
88             $feedback .= html_writer::tag('p',
89                     get_string('assumingcertainty', 'qbehaviour_deferredcbm',
90                     question_cbm::get_string($qa->get_last_behaviour_var('_assumedcertainty'))));
91         }
93         return $feedback;
94     }
96     public function marked_out_of_max(question_attempt $qa, core_question_renderer $qoutput,
97             question_display_options $options) {
98         return get_string('weightx', 'qbehaviour_deferredcbm', $qa->format_fraction_as_mark(
99                 question_cbm::adjust_fraction(1, question_cbm::default_certainty()),
100                 $options->markdp));
101     }
103     public function mark_out_of_max(question_attempt $qa, core_question_renderer $qoutput,
104             question_display_options $options) {
105         return get_string('cbmmark', 'qbehaviour_deferredcbm', $qa->format_mark($options->markdp)) .
106                 '<br>' . $this->marked_out_of_max($qa, $qoutput, $options);
107     }