MDL-42105 questions: let attempts have a max fraction > 1.
[moodle.git] / question / behaviour / rendererbase.php
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d1b7e03d 1<?php
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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/>.
16
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17/**
18 * Defines the renderer base class for question behaviours.
19 *
017bc1d9 20 * @package moodlecore
d1b7e03d 21 * @subpackage questionbehaviours
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22 * @copyright 2009 The Open University
23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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24 */
25
26
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27defined('MOODLE_INTERNAL') || die();
28
29
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30/**
31 * Renderer base class for question behaviours.
32 *
33 * The methods in this class are mostly called from {@link core_question_renderer}
34 * which coordinates the overall output of questions.
35 *
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36 * @copyright 2009 The Open University
37 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
d1b7e03d 38 */
2b7da645 39abstract class qbehaviour_renderer extends plugin_renderer_base {
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40 /**
41 * Generate some HTML (which may be blank) that appears in the question
42 * formulation area, afer the question type generated output.
43 *
44 * For example.
45 * immediatefeedback and interactive mode use this to show the Submit button,
46 * and CBM use this to display the certainty choices.
47 *
48 * @param question_attempt $qa a question attempt.
49 * @param question_display_options $options controls what should and should not be displayed.
50 * @return string HTML fragment.
51 */
52 public function controls(question_attempt $qa, question_display_options $options) {
53 return '';
54 }
55
56 /**
57 * Generate some HTML (which may be blank) that appears in the outcome area,
58 * after the question-type generated output.
59 *
60 * For example, the CBM models use this to display an explanation of the score
61 * adjustment that was made based on the certainty selected.
62 *
63 * @param question_attempt $qa a question attempt.
64 * @param question_display_options $options controls what should and should not be displayed.
65 * @return string HTML fragment.
66 */
67 public function feedback(question_attempt $qa, question_display_options $options) {
68 return '';
69 }
70
71 public function manual_comment_fields(question_attempt $qa, question_display_options $options) {
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72 $inputname = $qa->get_behaviour_field_name('comment');
73 $id = $inputname . '_id';
74 list($commenttext, $commentformat) = $qa->get_manual_comment();
d1b7e03d 75
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76 $editor = editors_get_preferred_editor($commentformat);
77 $strformats = format_text_menu();
78 $formats = $editor->get_supported_formats();
79 foreach ($formats as $fid) {
80 $formats[$fid] = $strformats[$fid];
81 }
82
83 $commenttext = format_text($commenttext, $commentformat, array('para' => false));
84
85 $editor->use_editor($id, array('context' => $options->context));
86
87 $commenteditor = html_writer::tag('div', html_writer::tag('textarea', s($commenttext),
88 array('id' => $id, 'name' => $inputname, 'rows' => 10, 'cols' => 60)));
89
c3cdf1e4 90 $editorformat = '';
83690170 91 if (count($formats) == 1) {
2d682972 92 reset($formats);
c3cdf1e4 93 $editorformat .= html_writer::empty_tag('input', array('type' => 'hidden',
2d682972 94 'name' => $inputname . 'format', 'value' => key($formats)));
2d682972 95 } else {
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96 $editorformat = html_writer::start_tag('div', array('class' => 'fitem'));
97 $editorformat .= html_writer::start_tag('div', array('class' => 'fitemtitle'));
98 $editorformat .= html_writer::tag('label', get_string('format'), array('for'=>'menu'.$inputname.'format'));
99 $editorformat .= html_writer::end_tag('div');
100 $editorformat .= html_writer::start_tag('div', array('class' => 'felement fhtmleditor'));
101 $editorformat .= html_writer::select($formats, $inputname.'format', $commentformat, '');
102 $editorformat .= html_writer::end_tag('div');
103 $editorformat .= html_writer::end_tag('div');
2d682972 104 }
d1b7e03d 105
d1b7e03d 106 $comment = html_writer::tag('div', html_writer::tag('div',
1631ceea 107 html_writer::tag('label', get_string('comment', 'question'),
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108 array('for' => $id)), array('class' => 'fitemtitle')) .
109 html_writer::tag('div', $commenteditor, array('class' => 'felement fhtmleditor')),
d1b7e03d 110 array('class' => 'fitem'));
c3cdf1e4 111 $comment .= $editorformat;
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112
113 $mark = '';
114 if ($qa->get_max_mark()) {
115 $currentmark = $qa->get_current_manual_mark();
116 $maxmark = $qa->get_max_mark();
117
118 $fieldsize = strlen($qa->format_max_mark($options->markdp)) - 1;
119 $markfield = $qa->get_behaviour_field_name('mark');
120
121 $attributes = array(
122 'type' => 'text',
123 'size' => $fieldsize,
124 'name' => $markfield,
c3cdf1e4 125 'id'=> $markfield
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126 );
127 if (!is_null($currentmark)) {
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128 $attributes['value'] = $qa->format_fraction_as_mark(
129 $currentmark / $maxmark, $options->markdp);
d1b7e03d 130 }
0ff4bd08 131 $a = new stdClass();
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132 $a->max = $qa->format_max_mark($options->markdp);
133 $a->mark = html_writer::empty_tag('input', $attributes);
134
135 $markrange = html_writer::empty_tag('input', array(
136 'type' => 'hidden',
137 'name' => $qa->get_behaviour_field_name('maxmark'),
138 'value' => $maxmark,
139 )) . html_writer::empty_tag('input', array(
140 'type' => 'hidden',
141 'name' => $qa->get_control_field_name('minfraction'),
142 'value' => $qa->get_min_fraction(),
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143 )) . html_writer::empty_tag('input', array(
144 'type' => 'hidden',
145 'name' => $qa->get_control_field_name('maxfraction'),
146 'value' => $qa->get_max_fraction(),
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147 ));
148
149 $errorclass = '';
150 $error = '';
4e3d8293 151 if ($currentmark > $maxmark * $qa->get_max_fraction() || $currentmark < $maxmark * $qa->get_min_fraction()) {
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152 $errorclass = ' error';
153 $error = html_writer::tag('span', get_string('manualgradeoutofrange', 'question'),
154 array('class' => 'error')) . html_writer::empty_tag('br');
155 }
156
157 $mark = html_writer::tag('div', html_writer::tag('div',
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158 html_writer::tag('label', get_string('mark', 'question'),
159 array('for' => $markfield)),
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160 array('class' => 'fitemtitle')) .
161 html_writer::tag('div', $error . get_string('xoutofmax', 'question', $a) .
162 $markrange, array('class' => 'felement ftext' . $errorclass)
163 ), array('class' => 'fitem'));
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164 }
165
166 return html_writer::tag('fieldset', html_writer::tag('div', $comment . $mark,
167 array('class' => 'fcontainer clearfix')), array('class' => 'hidden'));
168 }
169
170 public function manual_comment_view(question_attempt $qa, question_display_options $options) {
171 $output = '';
172 if ($qa->has_manual_comment()) {
173 $output .= get_string('commentx', 'question', $qa->get_behaviour()->format_comment());
174 }
175 if ($options->manualcommentlink) {
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176 $url = new moodle_url($options->manualcommentlink, array('slot' => $qa->get_slot()));
177 $link = $this->output->action_link($url, get_string('commentormark', 'question'),
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178 new popup_action('click', $url, 'commentquestion',
179 array('width' => 600, 'height' => 800)));
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180 $output .= html_writer::tag('div', $link, array('class' => 'commentlink'));
181 }
182 return $output;
183 }
184
185 /**
186 * Display the manual comment, and a link to edit it, if appropriate.
187 *
188 * @param question_attempt $qa a question attempt.
189 * @param question_display_options $options controls what should and should not be displayed.
190 * @return string HTML fragment.
191 */
192 public function manual_comment(question_attempt $qa, question_display_options $options) {
193 if ($options->manualcomment == question_display_options::EDITABLE) {
194 return $this->manual_comment_fields($qa, $options);
195
196 } else if ($options->manualcomment == question_display_options::VISIBLE) {
197 return $this->manual_comment_view($qa, $options);
198
199 } else {
200 return '';
201 }
202 }
203
204 /**
205 * Several behaviours need a submit button, so put the common code here.
206 * The button is disabled if the question is displayed read-only.
207 * @param question_display_options $options controls what should and should not be displayed.
208 * @return string HTML fragment.
209 */
210 protected function submit_button(question_attempt $qa, question_display_options $options) {
211 $attributes = array(
212 'type' => 'submit',
213 'id' => $qa->get_behaviour_field_name('submit'),
214 'name' => $qa->get_behaviour_field_name('submit'),
215 'value' => get_string('check', 'question'),
216 'class' => 'submit btn',
217 );
218 if ($options->readonly) {
219 $attributes['disabled'] = 'disabled';
220 }
221 $output = html_writer::empty_tag('input', $attributes);
222 if (!$options->readonly) {
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223 $this->page->requires->js_init_call('M.core_question_engine.init_submit_button',
224 array($attributes['id'], $qa->get_slot()));
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225 }
226 return $output;
227 }
228
229 /**
230 * Return any HTML that needs to be included in the page's <head> when
231 * questions using this model are used.
232 * @param $qa the question attempt that will be displayed on the page.
233 * @return string HTML fragment.
234 */
235 public function head_code(question_attempt $qa) {
236 return '';
237 }
238}