<?php
/**
 * @package         Regular Labs Library
 * @version         23.5.7450
 * 
 * @author          Peter van Westen <info@regularlabs.com>
 * @link            http://regularlabs.com
 * @copyright       Copyright © 2023 Regular Labs All Rights Reserved
 * @license         http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

defined('_JEXEC') or die;

use Joomla\CMS\Factory as JFactory;
use Joomla\CMS\Language\Text as JText;
use RegularLabs\Library\Field;

if ( ! is_file(JPATH_LIBRARIES . '/regularlabs/autoload.php'))
{
    return;
}

require_once JPATH_LIBRARIES . '/regularlabs/autoload.php';

class JFormFieldRL_Checkbox extends Field
{
    public $type = 'Checkbox';

    protected function getInput()
    {
        $showcheckall = $this->get('showcheckall', 0);

        $checkall = ($this->value == '*');

        if ( ! $checkall)
        {
            if ( ! is_array($this->value))
            {
                $this->value = explode(',', $this->value);
            }
        }

        $options = [];
        foreach ($this->element->children() as $option)
        {
            if ($option->getName() != 'option')
            {
                continue;
            }

            $text = trim((string) $option);

            if ( ! isset($option['value']))
            {
                $options[] = '<label style="clear:both;"><strong>' . JText::_($text) . '</strong></label>';
                continue;
            }

            $val      = (string) $option['value'];
            $disabled = (int) $option['disabled'];

            $option = '<input type="checkbox" class="rl_' . $this->id . '" id="' . $this->id . $val . '" name="' . $this->name . '[]" value="' . $val . '"';
            if ($checkall || in_array($val, $this->value))
            {
                $option .= ' checked="checked"';
            }
            if ($disabled)
            {
                $option .= ' disabled="disabled"';
            }
            $option .= '> <label for="' . $this->id . $val . '" class="checkboxes">' . JText::_($text) . '</label>';

            $options[] = $option;
        }

        $options = implode('', $options);

        if ($showcheckall)
        {
            $js = "
                jQuery(document).ready(function() {
                    RegularLabsForm.initCheckAlls('rl_checkall_" . $this->id . "', 'rl_" . $this->id . "');
                });
            ";
            JFactory::getDocument()->addScriptDeclaration($js);

            $checker = '<input id="rl_checkall_' . $this->id . '" type="checkbox" onclick=" RegularLabsForm.checkAll( this, \'rl_' . $this->id . '\' );"> ' . JText::_('JALL');

            $options = $checker . '<br>' . $options;
        }
        $options .= '<input type="hidden" id="' . $this->id . 'x" name="' . $this->name . '' . '[]" value="x" checked="checked">';

        $html   = [];
        $html[] = '<fieldset id="' . $this->id . '" class="checkbox">';
        $html[] = $options;
        $html[] = '</fieldset>';

        return implode('', $html);
    }
}