ListController.php

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<?php
namespace TYPO3\CMS\Backend\Controller\Wizard;

use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;

class ListController {

    // Internal, static:
    // PID
    public $pid;

    // Internal, static: GPvars
    // Wizard parameters, coming from TCEforms linking to the wizard.
    public $P;

    // Table to show, if none, then all tables are listed in list module.
    public $table;

    // Page id to list.
    public $id;

    public function __construct() {
        $GLOBALS['LANG']->includeLLFile('EXT:lang/locallang_wizards.xlf');
        $GLOBALS['SOBE'] = $this;
        $this->P = GeneralUtility::_GP('P');
        $this->table = GeneralUtility::_GP('table');
        $this->id = GeneralUtility::_GP('id');
    }

    public function main() {
        // Get this record
        $origRow = BackendUtility::getRecord($this->P['table'], $this->P['uid']);
        // Get TSconfig for it.
        $TSconfig = BackendUtility::getTCEFORM_TSconfig($this->table, is_array($origRow) ? $origRow : array('pid' => $this->P['pid']));
        // Set [params][pid]
        if (substr($this->P['params']['pid'], 0, 3) === '###' && substr($this->P['params']['pid'], -3) === '###') {
            $keyword = substr($this->P['params']['pid'], 3, -3);
            if (strpos($keyword, 'PAGE_TSCONFIG_') === 0) {
                $this->pid = (int)$TSconfig[$this->P['field']][$keyword];
            } else {
                $this->pid = (int)$TSconfig['_' . $keyword];
            }
        } else {
            $this->pid = (int)$this->P['params']['pid'];
        }
        // Make redirect:
        // If pid is blank OR if id is set, then return...
        if ((string)$this->id !== '') {
            $redirectUrl = GeneralUtility::sanitizeLocalUrl($this->P['returnUrl']);
        } else {
            // Otherwise, show the list:
            $urlParameters = array();
            $urlParameters['id'] = $this->pid;
            $urlParameters['table'] = $this->P['params']['table'];
            $urlParameters['returnUrl'] = GeneralUtility::getIndpEnv('REQUEST_URI');
            $redirectUrl = BackendUtility::getModuleUrl('web_list', $urlParameters);
        }
        \TYPO3\CMS\Core\Utility\HttpUtility::redirect($redirectUrl);
    }

}