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<?php

/**
 * @copyright 	Copyright (c) 2009-2017 Ryan Demmer. All rights reserved
 * @copyright   Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved
 * @license   	GNU/GPL 2 or later - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * JCE is free software. This version may have been modified pursuant
 * to the GNU General Public License, and as distributed it includes or
 * is derivative of works licensed under the GNU General Public License or
 * other free or open source software licenses
 */
defined('_JEXEC') or die;

/**
 * Renders a radio element.
 */
class WFElementRadio extends WFElement
{
    /**
     * Element name.
     *
     * @var string
     */
    protected $_name = 'Radio';

    /**
     * Fetch a html for a radio button.
     *
     * @param string      $name         Element name
     * @param string      $value        Element value
     * @param JXMLElement &$node        JXMLElement node object containing the settings for the element
     * @param string      $control_name Control name
     *
     * @return string
     */
    public function fetchElement($name, $value, &$node, $control_name)
    {
        $options = array();

        foreach ($node->children() as $option) {
            $val = (string) $option->attributes()->value;
            $text = (string) $option;
            $options[] = JHtml::_('select.option', $val, $text);
        }

        $attribs = array();
        $html = '';

        // pattern data attribute for editable select input box
        if ((string) $node->attributes()->parent) {
            $prefix = preg_replace(array('#^params#', '#([^\w]+)#'), '', $control_name);

            $items = array();

            foreach (explode(';', (string) $node->attributes()->parent) as $item) {
                $items[] = $prefix.$item;
            }

            $attribs[] = 'data-parent="'.implode(';', $items).'"';
        }

        foreach ($options as $option) {
            $k = $option->value;
            $id = $control_name.$name;

          // clean $id
          $id = preg_replace('#\W+#', '_', $id);

            $text = JText::_($option->text);

            $selected = ((string) $k == (string) $value) ? 'checked="checked"' : '';

            $html .= '<label for="'.$id.$k.'" id="'.$id.'_lbl" class="radio" '.implode(' ', $attribs).'>';
            $html .= '  <input type="radio" name="'.$control_name.'['.$name.']'.'" id="'.$id.$k.'" value="'.$k.'" '.$selected.'/>';
            $html .= $text;
            $html .= '</label>';
        }

        return $html;

        //return JHtml::_('select.radiolist', $options, $control_name . '[' . $name . ']', implode(' ', $attribs), 'value', 'text', $value, $control_name . $name, true);
    }
}