weekly release 4.0dev
[moodle.git] / question / behaviour / interactive / renderer.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 * Renderer for outputting parts of a question belonging to the interactive
19 * behaviour.
20 *
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21 * @package qbehaviour
22 * @subpackage interactive
23 * @copyright 2009 The Open University
24 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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25 */
26
27
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28defined('MOODLE_INTERNAL') || die();
29
30
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31/**
32 * Interactive behaviour renderer.
33 *
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34 * @copyright 2009 The Open University
35 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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36 */
37class qbehaviour_interactive_renderer extends qbehaviour_renderer {
38 public function controls(question_attempt $qa, question_display_options $options) {
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39 if ($options->readonly === qbehaviour_interactive::TRY_AGAIN_VISIBLE ||
40 $options->readonly === qbehaviour_interactive::TRY_AGAIN_VISIBLE_READONLY) {
41 // We are in the try again state, so no submit button.
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42 return '';
43 }
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44 return $this->submit_button($qa, $options);
45 }
46
47 public function feedback(question_attempt $qa, question_display_options $options) {
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48 // Show the Try again button if we are in try-again state.
49 if (!$qa->get_state()->is_active() ||
50 ($options->readonly !== qbehaviour_interactive::TRY_AGAIN_VISIBLE &&
51 $options->readonly !== qbehaviour_interactive::TRY_AGAIN_VISIBLE_READONLY)) {
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52 return '';
53 }
54
55 $attributes = array(
56 'type' => 'submit',
57 'id' => $qa->get_behaviour_field_name('tryagain'),
58 'name' => $qa->get_behaviour_field_name('tryagain'),
59 'value' => get_string('tryagain', 'qbehaviour_interactive'),
60 'class' => 'submit btn',
61 );
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62 if ($options->readonly === qbehaviour_interactive::TRY_AGAIN_VISIBLE_READONLY) {
63 // This means the question really was rendered with read-only option.
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64 $attributes['disabled'] = 'disabled';
65 }
66 $output = html_writer::empty_tag('input', $attributes);
67 if (empty($attributes['disabled'])) {
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68 $this->page->requires->js_init_call('M.core_question_engine.init_submit_button',
69 array($attributes['id'], $qa->get_slot()));
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70 }
71 return $output;
72 }
73}