lib/Varien/Data/Form/Element/Radios.php

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<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category   Varien
 * @package    Varien_Data
 * @copyright  Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Radio buttons collection
 *
 * @category   Varien
 * @package    Varien_Data
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Varien_Data_Form_Element_Radios extends Varien_Data_Form_Element_Abstract
{
    public function __construct($attributes=array())
    {
        parent::__construct($attributes);
        $this->setType('radios');
    }

    public function getSeparator()
    {
        $separator = $this->getData('separator');
        if (is_null($separator)) {
            $separator = '&nbsp;';
        }
        return $separator;
    }

    public function getElementHtml()
    {
        $html = '';
        $value = $this->getValue();
        if ($values = $this->getValues()) {
            foreach ($values as $option) {
                $html.= $this->_optionToHtml($option, $value);
            }
        }
        $html.= $this->getAfterElementHtml();
        return $html;
    }

    protected function _optionToHtml($option, $selected)
    {
        $html = '<input type="radio"'.$this->serialize(array('name', 'class', 'style'));
        if (is_array($option)) {
            $html.= 'value="'.$this->_escape($option['value']).'"  id="'.$this->getHtmlId().$option['value'].'"';
            if ($option['value'] == $selected) {
                $html.= ' checked="checked"';
            }
            $html.= ' />';
            $html.= '<label class="inline" for="'.$this->getHtmlId().$option['value'].'">'.$option['label'].'</label>';
        }
        elseif ($option instanceof Varien_Object) {
            $html.= 'id="'.$this->getHtmlId().$option->getValue().'"'.$option->serialize(array('label', 'title', 'value', 'class', 'style'));
            if (in_array($option->getValue(), $selected)) {
                $html.= ' checked="checked"';
            }
            $html.= ' />';
            $html.= '<label class="inline" for="'.$this->getHtmlId().$option->getValue().'">'.$option->getLabel().'</label>';
        }
        $html.= $this->getSeparator() . "\n";
        return $html;
    }
}

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