InArrayViewHelper.php

<?php
/***************************************************************
*  Copyright notice
*
*  (c) 2013 Jan-Philipp Greth <[email protected]>
*  Based on View Helpers by:
*  - Dimitri König <[email protected]>, cab services ag ( http://forge.typo3.org/attachments/18001/IfContainsViewHelper.php )
*  - Benjamin Rau <[email protected]>, codearts ( https://gist.github.com/benjaminrau/4674180 )
*
*  All rights reserved
*
*  This script is part of the TYPO3 project. The TYPO3 project is
*  free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 3 of the License, or
*  (at your option) any later version.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*
*  This script is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
namespace Jpg\Events\ViewHelpers;

use TYPO3\Flow\Annotations as Flow;

/**
 * In Array View Helper
 *
 * For Example you could use it with multiple checkboxes to check the selected one:
 *
 *<f:for each="{persons}" as="person">
 *  <ev:inArray haystack="{event.persons}" needle="{person}" >
 *      <f:then>
 *          <f:form.checkbox property="persons" value="{person}" checked="true" /><label>{person.name}</label><br/>
 *      </f:then>
 *      <f:else>
 *          <f:form.checkbox property="persons" value="{person}" /><label>{person.name}</label><br/>
 *      </f:else>
 *  </ev:inArray>
 *</f:for>
 *
 *
 * @Flow\Scope("prototype")
 */
class InArrayViewHelper extends \TYPO3\Fluid\Core\ViewHelper\AbstractConditionViewHelper {

    public function initializeArguments() {
    parent::initializeArguments();
    $this->registerArgument('haystack', 'mixed', 'View helper haystack ', TRUE);
    $this->registerArgument('needle', 'string', 'View helper needle', TRUE);
    }

    /**
    * Check if value is in array
    *
    *
    * @param string $needle
    * @param array  $haystack
    *
    * @return boolean
    */
    public function render() {

        $needle = $this->arguments['needle'];
        $haystack = $this->arguments['haystack'];

        if(is_string($haystack)) {
            $haystack = strpos($haystack, ',') ? explode(',',$haystack) : $haystack;
        }
        if(is_object($haystack)) {
            $haystack = $haystack->toArray();
        }

        if(in_array($needle, $haystack) && is_array($haystack)) {
            return $this->renderThenChild();
        } else {
            return $this->renderElseChild();
        }

    /*************************

        $output = '';
                        if ($value === NULL || $in === NULL) {
                                return '';
                        }
                if (is_string($in)) {
                    $in = t3lib_div::trimExplode(',', $in, true);
                }
                if (is_object($in)) {
                    $in = $in->toArray();
                }
                if (is_array($in) && in_array($value, $in)) {
                        $output = $this->renderChildren();
                }
                return $output;
     */

    }

}

?>