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/>.
16
17
18/**
19 * radio type form element
20 *
21 * Contains HTML class for a radio type element
22 *
23 * @package   core_form
24 * @copyright 2006 Jamie Pratt <me@jamiep.org>
25 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
26 */
27
28require_once('HTML/QuickForm/radio.php');
29require_once('templatable_form_element.php');
30/**
31 * radio type form element
32 *
33 * HTML class for a radio type element
34 *
35 * @package   core_form
36 * @category  form
37 * @copyright 2006 Jamie Pratt <me@jamiep.org>
38 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
39 */
40class MoodleQuickForm_radio extends HTML_QuickForm_radio implements templatable {
41    use templatable_form_element;
42
43    /** @var string html for help button, if empty then no help */
44    var $_helpbutton='';
45
46    /**
47     * constructor
48     *
49     * @param string $elementName (optional) name of the radio element
50     * @param string $elementLabel (optional) label for radio element
51     * @param string $text (optional) Text to put after the radio element
52     * @param string $value (optional) default value
53     * @param mixed $attributes (optional) Either a typical HTML attribute string
54     *              or an associative array
55     */
56    public function __construct($elementName=null, $elementLabel=null, $text=null, $value=null, $attributes=null) {
57        parent::__construct($elementName, $elementLabel, $text, $value, $attributes);
58    }
59
60    /**
61     * Old syntax of class constructor. Deprecated in PHP7.
62     *
63     * @deprecated since Moodle 3.1
64     */
65    public function MoodleQuickForm_radio($elementName=null, $elementLabel=null, $text=null, $value=null, $attributes=null) {
66        debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
67        self::__construct($elementName, $elementLabel, $text, $value, $attributes);
68    }
69
70    /**
71     * get html for help button
72     *
73     * @return string html for help button
74     */
75    function getHelpButton(){
76        return $this->_helpbutton;
77    }
78
79    /**
80     * Slightly different container template when frozen.
81     *
82     * @return string
83     */
84    function getElementTemplateType(){
85        if ($this->_flagFrozen){
86            return 'static';
87        } else {
88            return 'default';
89        }
90    }
91
92    /**
93     * Returns the disabled field. Accessibility: the return "( )" from parent
94     * class is not acceptable for screenreader users, and we DO want a label.
95     *
96     * @return string
97     */
98    function getFrozenHtml()
99    {
100        $output = '<input type="radio" disabled="disabled" id="'.$this->getAttribute('id').'" ';
101        if ($this->getChecked()) {
102            $output .= 'checked="checked" />'.$this->_getPersistantData();
103        } else {
104            $output .= '/>';
105        }
106        return $output;
107    }
108
109    /**
110     * Returns HTML for advchecbox form element.
111     *
112     * @return string
113     */
114    function toHtml()
115    {
116        return '<span>' . parent::toHtml() . '</span>';
117    }
118}
119