SuggestDefaultReceiver.php

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<?php
namespace TYPO3\CMS\Backend\Form\Element;

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

class SuggestDefaultReceiver {

    protected $table = '';

    protected $mmForeignTable = '';

    protected $selectClause = '';

    protected $orderByStatement = '';

    protected $addWhere = '';

    protected $config = array();

    protected $allowedPages = array();

    protected $maxItems = 10;

    protected $params = array();

    public function __construct($table, $config) {
        $this->table = $table;
        $this->config = $config;
        // get a list of all the pages that should be looked on
        if (isset($config['pidList'])) {
            $allowedPages = ($pageIds = GeneralUtility::trimExplode(',', $config['pidList']));
            $depth = (int)$config['pidDepth'];
            foreach ($pageIds as $pageId) {
                if ($pageId > 0) {
                    \TYPO3\CMS\Core\Utility\ArrayUtility::mergeRecursiveWithOverrule($allowedPages, $this->getAllSubpagesOfPage($pageId, $depth));
                }
            }
            $this->allowedPages = array_unique($allowedPages);
        }
        if (isset($config['maxItemsInResultList'])) {
            $this->maxItems = $config['maxItemsInResultList'];
        }
        if ($this->table == 'pages') {
            $this->addWhere = ' AND ' . $GLOBALS['BE_USER']->getPagePermsClause(1);
        }
        // if table is versionized, only get the records from the Live Workspace
        // the overlay itself of WS-records is done below
        if ($GLOBALS['TCA'][$this->table]['ctrl']['versioningWS'] == TRUE) {
            $this->addWhere .= ' AND t3ver_wsid = 0';
        }
        if (isset($config['addWhere'])) {
            $this->addWhere .= ' ' . $config['addWhere'];
        }
    }

    public function queryTable(&$params, $recursionCounter = 0) {
        $rows = array();
        $this->params = &$params;
        $start = $recursionCounter * 50;
        $this->prepareSelectStatement();
        $this->prepareOrderByStatement();
        $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->table, $this->selectClause, '', $this->orderByStatement, $start . ', 50');
        $allRowsCount = $GLOBALS['TYPO3_DB']->sql_num_rows($res);
        if ($allRowsCount) {
            while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
                // check if we already have collected the maximum number of records
                if (count($rows) > $this->maxItems) {
                    break;
                }
                $this->manipulateRecord($row);
                $this->makeWorkspaceOverlay($row);
                // check if the user has access to the record
                if (!$this->checkRecordAccess($row, $row['uid'])) {
                    continue;
                }
                $spriteIcon = IconUtility::getSpriteIconForRecord(
                    $this->table, $row, array('style' => 'margin: 0 4px 0 -20px; padding: 0;')
                );
                $uid = $row['t3ver_oid'] > 0 ? $row['t3ver_oid'] : $row['uid'];
                $path = $this->getRecordPath($row, $uid);
                if (strlen($path) > 30) {
                    $croppedPath = '<abbr title="' . htmlspecialchars($path) . '">' . htmlspecialchars(($GLOBALS['LANG']->csConvObj->crop($GLOBALS['LANG']->charSet, $path, 10) . '...' . $GLOBALS['LANG']->csConvObj->crop($GLOBALS['LANG']->charSet, $path, -20))) . '</abbr>';
                } else {
                    $croppedPath = htmlspecialchars($path);
                }
                $label = $this->getLabel($row);
                $entry = array(
                    'text' => '<span class="suggest-label">' . $label . '</span><span class="suggest-uid">[' . $uid . ']</span><br />
                                <span class="suggest-path">' . $croppedPath . '</span>',
                    'table' => $this->mmForeignTable ? $this->mmForeignTable : $this->table,
                    'label' => $label,
                    'path' => $path,
                    'uid' => $uid,
                    'style' => '',
                    'class' => isset($this->config['cssClass']) ? $this->config['cssClass'] : '',
                    'sprite' => $spriteIcon
                );
                $rows[$this->table . '_' . $uid] = $this->renderRecord($row, $entry);
            }
            $GLOBALS['TYPO3_DB']->sql_free_result($res);
            // if there are less records than we need, call this function again to get more records
            if (count($rows) < $this->maxItems && $allRowsCount >= 50 && $recursionCounter < $this->maxItems) {
                $tmp = self::queryTable($params, ++$recursionCounter);
                $rows = array_merge($tmp, $rows);
            }
        }
        return $rows;
    }

    protected function prepareSelectStatement() {
        $searchWholePhrase = $this->config['searchWholePhrase'];
        $searchString = $this->params['value'];
        $searchUid = (int)$searchString;
        if (strlen($searchString)) {
            $searchString = $GLOBALS['TYPO3_DB']->quoteStr($searchString, $this->table);
            $likeCondition = ' LIKE \'' . ($searchWholePhrase ? '%' : '') . $GLOBALS['TYPO3_DB']->escapeStrForLike($searchString, $this->table) . '%\'';
            // Search in all fields given by label or label_alt
            $selectFieldsList = $GLOBALS['TCA'][$this->table]['ctrl']['label'] . ',' . $GLOBALS['TCA'][$this->table]['ctrl']['label_alt'] . ',' . $this->config['additionalSearchFields'];
            $selectFields = GeneralUtility::trimExplode(',', $selectFieldsList, TRUE);
            $selectFields = array_unique($selectFields);
            $selectParts = array();
            foreach ($selectFields as $field) {
                $selectParts[] = $field . $likeCondition;
            }
            $this->selectClause = '(' . implode(' OR ', $selectParts) . ')';
            if ($searchUid > 0 && $searchUid == $searchString) {
                $this->selectClause = '(' . $this->selectClause . ' OR uid = ' . $searchUid . ')';
            }
        }
        if (isset($GLOBALS['TCA'][$this->table]['ctrl']['delete'])) {
            $this->selectClause .= ' AND ' . $GLOBALS['TCA'][$this->table]['ctrl']['delete'] . ' = 0';
        }
        if (count($this->allowedPages)) {
            $pidList = $GLOBALS['TYPO3_DB']->cleanIntArray($this->allowedPages);
            if (count($pidList)) {
                $this->selectClause .= ' AND pid IN (' . implode(', ', $pidList) . ') ';
            }
        }
        // add an additional search condition comment
        if (isset($this->config['searchCondition']) && strlen($this->config['searchCondition']) > 0) {
            $this->selectClause .= ' AND ' . $this->config['searchCondition'];
        }
        // add the global clauses to the where-statement
        $this->selectClause .= $this->addWhere;
    }

    protected function getAllSubpagesOfPage($uid, $depth = 99) {
        $pageIds = array($uid);
        $level = 0;
        $pages = array($uid);
        // fetch all
        while ($depth - $level > 0 && !empty($pageIds)) {
            ++$level;
            $pidList = $GLOBALS['TYPO3_DB']->cleanIntArray($pageIds);
            $rows = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows('uid', 'pages', 'pid IN (' . implode(', ', $pidList) . ')', '', '', '', 'uid');
            if (count($rows) > 0) {
                $pageIds = array_keys($rows);
                $pages = array_merge($pages, $pageIds);
            } else {
                break;
            }
        }
        return $pages;
    }

    protected function prepareOrderByStatement() {
        if ($GLOBALS['TCA'][$this->table]['ctrl']['label']) {
            $this->orderByStatement = $GLOBALS['TCA'][$this->table]['ctrl']['label'];
        }
    }

    protected function manipulateRecord(&$row) {

    }

    protected function checkRecordAccess($row, $uid) {
        $retValue = TRUE;
        $table = $this->mmForeignTable ?: $this->table;
        if ($table == 'pages') {
            if (!BackendUtility::readPageAccess($uid, $GLOBALS['BE_USER']->getPagePermsClause(1))) {
                $retValue = FALSE;
            }
        } elseif (isset($GLOBALS['TCA'][$table]['ctrl']['is_static']) && (bool) $GLOBALS['TCA'][$table]['ctrl']['is_static']) {
            $retValue = TRUE;
        } else {
            if (!is_array(BackendUtility::readPageAccess($row['pid'], $GLOBALS['BE_USER']->getPagePermsClause(1)))) {
                $retValue = FALSE;
            }
        }
        return $retValue;
    }

    protected function makeWorkspaceOverlay(&$row) {
        // Check for workspace-versions
        if ($GLOBALS['BE_USER']->workspace != 0 && $GLOBALS['TCA'][$this->table]['ctrl']['versioningWS'] == TRUE) {
            BackendUtility::workspaceOL($this->mmForeignTable ? $this->mmForeignTable : $this->table, $row);
        }
    }

    protected function getIcon($row) {
        $icon = IconUtility::getIcon($this->mmForeignTable ? $this->mmForeignTable : $this->table, $row);
        return IconUtility::skinImg('', $icon, '', 1);
    }

    protected function getRecordPath(&$row, $uid) {
        $titleLimit = max($this->config['maxPathTitleLength'], 0);
        if (($this->mmForeignTable ? $this->mmForeignTable : $this->table) == 'pages') {
            $path = BackendUtility::getRecordPath($uid, '', $titleLimit);
            // For pages we only want the first (n-1) parts of the path,
            // because the n-th part is the page itself
            $path = substr($path, 0, strrpos($path, '/', -2)) . '/';
        } else {
            $path = BackendUtility::getRecordPath($row['pid'], '', $titleLimit);
        }
        return $path;
    }

    protected function getLabel($row) {
        return BackendUtility::getRecordTitle($this->mmForeignTable ? $this->mmForeignTable : $this->table, $row, TRUE);
    }

    protected function renderRecord($row, $entry) {
        // Call renderlet if available (normal pages etc. usually don't have one)
        if ($this->config['renderFunc'] != '') {
            $params = array(
                'table' => $this->table,
                'uid' => $row['uid'],
                'row' => $row,
                'entry' => &$entry
            );
            GeneralUtility::callUserFunction($this->config['renderFunc'], $params, $this, '');
        }
        return $entry;
    }

}