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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;

use Joomla\CMS\HTML\HTMLHelper as JHtml;
use Joomla\CMS\Language\Text as JText;
use RegularLabs\Library\Document as RL_Document;
use RegularLabs\Library\Field;
use RegularLabs\Library\ShowOn as RL_ShowOn;

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

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

class JFormFieldRL_SimpleCategories extends Field
{
    public $type = 'SimpleCategories';

    protected function getInput()
    {
        $size = (int) $this->get('size');
        $attr = $this->get('onchange') ? ' onchange="' . $this->get('onchange') . '"' : '';

        $categories = $this->getOptions();
        $options    = parent::getOptions();

        if ($this->get('show_none', 1))
        {
            $options[] = JHtml::_('select.option', '', '- ' . JText::_('JNONE') . ' -');
        }

        if ($this->get('show_new', 1))
        {
            $options[] = JHtml::_('select.option', '-1', '- ' . JText::_('RL_NEW_CATEGORY') . ' -');
        }

        $options = array_merge($options, $categories);

        if ( ! $this->get('show_new', 1))
        {
            return JHtml::_('select.genericlist',
                $options,
                $this->name,
                trim($attr),
                'value',
                'text',
                $this->value,
                $this->id
            );
        }

        JHtml::_('jquery.framework');
        RL_Document::script('regularlabs/simplecategories.min.js');

        $selectlist = $this->selectListSimple(
            $options,
            $this->getName($this->fieldname . '_select'),
            $this->value,
            $this->getId('', $this->fieldname . '_select'),
            $size,
            false
        );

        $html = [];

        $html[] = '<div class="rl_simplecategory">';

        $html[] = '<div class="rl_simplecategory_select">' . $selectlist . '</div>';

        $html[] = RL_ShowOn::show(
            '<div class="rl_simplecategory_new">'
            . '<input type="text" id="' . $this->id . '_new" value="" placeholder="' . JText::_('RL_NEW_CATEGORY_ENTER') . '">'
            . '</div>',
            $this->fieldname . '_select:-1', $this->formControl
        );

        $html[] = '<input type="hidden" class="rl_simplecategory_value" id="' . $this->id . '" name="' . $this->name . '" value="' . $this->value . '" />';

        $html[] = '</div>';

        return implode('', $html);
    }

    protected function getOptions()
    {
        $table = $this->get('table');

        if ( ! $table)
        {
            return [];
        }

        // Get the user groups from the database.
        $query = $this->db->getQuery(true)
            ->select([
                $this->db->quoteName('category', 'value'),
                $this->db->quoteName('category', 'text'),
            ])
            ->from($this->db->quoteName('#__' . $table))
            ->where($this->db->quoteName('category') . ' != ' . $this->db->quote(''))
            ->group($this->db->quoteName('category'))
            ->order($this->db->quoteName('category') . ' ASC');
        $this->db->setQuery($query);

        return $this->db->loadObjectList();
    }
}