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InfoViewHelper.php
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InfoViewHelper.php
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<?php
namespace FluidTYPO3\Vhs\ViewHelpers\Page;
/***************************************************************
* Copyright notice
*
* (c) 2014 Claus Due <claus@namelesscoder.net>
*
* 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 2 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!
* ************************************************************* */
use FluidTYPO3\Vhs\Service\PageSelectService;
use FluidTYPO3\Vhs\Utility\ViewHelperUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
/**
* ViewHelper to access data of the current page record
*
* @author Björn Fromme <fromeme@dreipunktnull.com>, dreipunktnull
* @author Danilo Bürger <danilo.buerger@hmspl.de>, Heimspiel GmbH
* @package Vhs
* @subpackage ViewHelpers\Page
*/
class InfoViewHelper extends AbstractViewHelper {
/**
* @var PageSelectService
*/
protected $pageSelect;
/**
* @param PageSelectService $pageSelect
* @return void
*/
public function injectPageSelectService(PageSelectService $pageSelect) {
$this->pageSelect = $pageSelect;
}
/**
* @return void
*/
public function initializeArguments() {
$this->registerArgument('pageUid', 'integer', 'If specified, this UID will be used to fetch page data instead of using the current page.', FALSE, 0);
$this->registerArgument('as', 'string', 'If specified, a template variable with this name containing the requested data will be inserted instead of returning it.', FALSE, NULL);
$this->registerArgument('field', 'string', 'If specified, only this field will be returned/assigned instead of the complete page record.', FALSE, NULL);
}
/**
* @return mixed
*/
public function render() {
// Get page via pageUid argument or current id
$pageUid = intval($this->arguments['pageUid']);
if (0 === $pageUid) {
$pageUid = $GLOBALS['TSFE']->id;
}
$page = $this->pageSelect->getPage($pageUid);
// Add the page overlay
$languageUid = intval($GLOBALS['TSFE']->sys_language_uid);
if (0 !== $languageUid) {
$pageOverlay = $this->pageSelect->getPageOverlay($pageUid, $languageUid);
if (TRUE === is_array($pageOverlay)) {
$page = GeneralUtility::array_merge_recursive_overrule($page, $pageOverlay, FALSE, FALSE);
}
}
$content = NULL;
// Check if field should be returned or assigned
$field = $this->arguments['field'];
if (TRUE === empty($field)) {
$content = $page;
} elseif (TRUE === isset($page[$field])) {
$content = $page[$field];
}
// Return if no assign
$as = $this->arguments['as'];
if (TRUE === empty($as)) {
return $content;
}
$variables = array($as => $content);
$output = ViewHelperUtility::renderChildrenWithVariables($this, $this->templateVariableContainer, $variables);
return $output;
}
}