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<?php
/**
 * @package         Regular Labs Library
 * @version         23.9.3039
 * 
 * @author          Peter van Westen <info@regularlabs.com>
 * @link            https://regularlabs.com
 * @copyright       Copyright © 2023 Regular Labs All Rights Reserved
 * @license         GNU General Public License version 2 or later
 */

defined('_JEXEC') or die;

extract($displayData);

/**
 * Layout variables
 * -----------------
 *
 * @var   string  $autocomplete   Autocomplete attribute for the field.
 * @var   boolean $autofocus      Is autofocus enabled?
 * @var   string  $class          Classes for the input.
 * @var   string  $description    Description of the field.
 * @var   boolean $disabled       Is this field disabled?
 * @var   string  $group          Group the field belongs to. <fields> section in form XML.
 * @var   boolean $hidden         Is this field hidden in the form?
 * @var   string  $hint           Placeholder for the field.
 * @var   string  $id             DOM id of the field.
 * @var   string  $label          Label of the field.
 * @var   string  $labelclass     Classes to apply to the label.
 * @var   boolean $multiple       Does this field support multiple values?
 * @var   string  $name           Name of the input field.
 * @var   string  $onchange       Onchange attribute for the field.
 * @var   string  $onclick        Onclick attribute for the field.
 * @var   string  $pattern        Pattern (Reg Ex) of value of the form field.
 * @var   boolean $readonly       Is this field read only?
 * @var   boolean $repeat         Allows extensions to duplicate elements.
 * @var   boolean $required       Is this field required?
 * @var   integer $size           Size attribute of the input.
 * @var   boolean $spellcheck     Spellcheck state for the form field.
 * @var   string  $validate       Validation rules to apply.
 * @var   string  $value          Value attribute of the field.
 * @var   array   $checkedOptions Options that will be set as checked.
 * @var   boolean $hasValue       Has this field a value assigned?
 * @var   array   $options        Options available for this field.
 * @var   string  $dataAttribute  Miscellaneous data attributes preprocessed for HTML output
 * @var   array   $dataAttributes Miscellaneous data attributes for eg, data-*.
 */

/**
 * The format of the input tag to be filled in using sprintf.
 *     %1 - id
 *     %2 - name
 *     %3 - value
 *     %4 = any other attributes
 */
$format = '<input type="checkbox" id="%1$s" name="%2$s" value="%3$s" %4$s>';

// The alt option for Text::alt
$alt = preg_replace('/[^a-zA-Z0-9_\-]/', '_', $name);
?>

<fieldset id="<?php echo $id; ?>" class="<?php echo trim($class . ' checkboxes'); ?>"
    <?php echo $required ? 'required' : ''; ?>
    <?php echo $autofocus ? 'autofocus' : ''; ?>
    <?php echo $dataAttribute; ?>>
    <legend class="visually-hidden"><?php echo $label; ?></legend>

    <?php foreach ($options as $i => $option) : ?>
        <?php if (is_string($option)) : ?>
            <h4 class="mt-2 mb-0"><?php echo $option; ?></h4>
        <?php else: ?>
            <?php
            // Initialize some option attributes.
            $checked = in_array((string) $option->value, $checkedOptions, true) ? 'checked' : '';

            // In case there is no stored value, use the option's default state.
            $checked        = ( ! $hasValue && $option->checked) ? 'checked' : $checked;
            $optionClass    = ! empty($option->class) ? 'class="form-check-input ' . $option->class . '"' : ' class="form-check-input"';
            $optionDisabled = ! empty($option->disable) || $disabled ? 'disabled' : '';

            // Initialize some JavaScript option attributes.
            $onclick  = ! empty($option->onclick) ? 'onclick="' . $option->onclick . '"' : '';
            $onchange = ! empty($option->onchange) ? 'onchange="' . $option->onchange . '"' : '';

            $oid        = $id . $i;
            $value      = htmlspecialchars($option->value, ENT_COMPAT, 'UTF-8');
            $attributes = array_filter([$checked, $optionClass, $optionDisabled, $onchange, $onclick]);
            ?>
            <div class="form-check form-check-inline">
                <?php echo sprintf($format, $oid, $name, $value, implode(' ', $attributes)); ?>
                <label for="<?php echo $oid; ?>" class="form-check-label">
                    <?php echo $option->text; ?>
                </label>
            </div>
        <?php endif; ?>
    <?php endforeach; ?>
</fieldset>