Просмотр архива Contao (бывшая TYPOlight)


<?php

/**
 * Contao Open Source CMS
 *
 * Copyright (c) 2005-2016 Leo Feyer
 *
 * @license LGPL-3.0+
 */

namespace Contao;


/**
 * Provide methods to handle radio buttons.
 *
 * @property boolean $mandatory
 * @property array   $options
 *
 * @author Leo Feyer <https://github.com/leofeyer>
 */
class RadioButton extends Widget
{

    /**
     * Submit user input
     * @var boolean
     */
    protected $blnSubmitInput = true;

    /**
     * Template
     * @var string
     */
    protected $strTemplate = 'be_widget_rdo';


    /**
     * Add specific attributes
     *
     * @param string $strKey
     * @param mixed  $varValue
     */
    public function __set($strKey, $varValue)
    {
        switch ($strKey)
        {
            case 'mandatory':
                if ($varValue)
                {
                    $this->arrAttributes['required'] = 'required';
                }
                else
                {
                    unset($this->arrAttributes['required']);
                }
                parent::__set($strKey, $varValue);
                break;

            case 'options':
                $this->arrOptions = deserialize($varValue);
                break;

            default:
                parent::__set($strKey, $varValue);
                break;
        }
    }


    /**
     * Check for a valid option (see #4383)
     */
    public function validate()
    {
        $varValue = $this->getPost($this->strName);

        if (!empty($varValue) && !$this->isValidOption($varValue))
        {
            $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['invalid'], (is_array($varValue) ? implode(', ', $varValue) : $varValue)));
        }

        parent::validate();
    }


    /**
     * Generate the widget and return it as string
     *
     * @return string
     */
    public function generate()
    {
        $arrOptions = array();

        foreach ($this->arrOptions as $i=>$arrOption)
        {
            $arrOptions[] = sprintf('<input type="radio" name="%s" id="opt_%s" class="tl_radio" value="%s"%s%s onfocus="Backend.getScrollOffset()"> <label for="opt_%s">%s</label>',
                                     $this->strName,
                                     $this->strId.'_'.$i,
                                     specialchars($arrOption['value']),
                                     $this->isChecked($arrOption),
                                     $this->getAttributes(),
                                     $this->strId.'_'.$i,
                                     $arrOption['label']);
        }

        // Add a "no entries found" message if there are no options
        if (empty($arrOptions))
        {
            $arrOptions[]= '<p class="tl_noopt">'.$GLOBALS['TL_LANG']['MSC']['noResult'].'</p>';
        }

        return sprintf('<fieldset id="ctrl_%s" class="tl_radio_container%s"><legend>%s%s%s%s</legend>%s</fieldset>%s',
                        $this->strId,
                        (($this->strClass != '') ? ' ' . $this->strClass : ''),
                        ($this->mandatory ? '<span class="invisible">'.$GLOBALS['TL_LANG']['MSC']['mandatory'].' </span>' : ''),
                        $this->strLabel,
                        ($this->mandatory ? '<span class="mandatory">*</span>' : ''),
                        $this->xlabel,
                        implode('<br>', $arrOptions),
                        $this->wizard);
    }
}