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<?php |
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/* |
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* This file is part of the TYPO3 CMS project. |
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* |
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* It is free software; you can redistribute it and/or modify it under |
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* the terms of the GNU General Public License, either version 2 |
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* of the License, or any later version. |
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* |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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* |
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* The TYPO3 project - inspiring people to share! |
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*/ |
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namespace TYPO3\CMS\Frontend\ContentObject\Menu; |
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use TYPO3\CMS\Core\Collection\AbstractRecordCollection; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Frontend\Category\Collection\CategoryCollection; |
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/** |
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* Utility class for menus based on category collections of pages. |
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* |
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* Returns all the relevant pages for rendering with a menu content object. |
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* @internal this is only used for internal purposes and solely used for EXT:frontend and not part of TYPO3's Core API. |
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*/ |
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class CategoryMenuUtility |
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{ |
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/** |
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* @var string Name of the field used for sorting the pages |
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*/ |
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protected static $sortingField; |
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/** |
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* Collects all pages for the selected categories, sorted according to configuration. |
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* |
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* @param string $selectedCategories Comma-separated list of system categories primary keys |
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* @param array $configuration TypoScript configuration for the "special." keyword |
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* @param \TYPO3\CMS\Frontend\ContentObject\Menu\AbstractMenuContentObject $parentObject Back-reference to the calling object |
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* @return array List of selected pages |
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*/ |
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public function collectPages($selectedCategories, $configuration, $parentObject) |
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{ |
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$selectedPages = []; |
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$categoriesPerPage = []; |
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// Determine the name of the relation field |
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$relationField = $parentObject->getParentContentObject()->stdWrapValue('relation', $configuration); |
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// Get the pages for each selected category |
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$selectedCategories = GeneralUtility::intExplode(',', $selectedCategories, true); |
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foreach ($selectedCategories as $aCategory) { |
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$collection = CategoryCollection::load( |
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$aCategory, |
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true, |
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'pages', |
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$relationField |
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); |
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$categoryUid = 0; |
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if ($collection instanceof AbstractRecordCollection) { |
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$categoryUid = $collection->getUid(); |
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} |
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// Loop on the results, overlay each page record found |
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foreach ($collection as $pageItem) { |
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$parentObject->getSysPage()->versionOL('pages', $pageItem, true); |
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if (is_array($pageItem)) { |
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$selectedPages[$pageItem['uid']] = $parentObject->getSysPage()->getPageOverlay($pageItem); |
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// Keep a list of the categories each page belongs to |
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if (!isset($categoriesPerPage[$pageItem['uid']])) { |
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$categoriesPerPage[$pageItem['uid']] = []; |
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} |
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$categoriesPerPage[$pageItem['uid']][] = $categoryUid; |
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} |
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} |
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} |
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// Loop on the selected pages to add the categories they belong to, as comma-separated list of category uid's) |
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// (this makes them available for rendering, if needed) |
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foreach ($selectedPages as $uid => $pageRecord) { |
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$selectedPages[$uid]['_categories'] = implode(',', $categoriesPerPage[$uid]); |
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} |
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// Sort the pages according to the sorting property |
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self::$sortingField = $parentObject->getParentContentObject()->stdWrapValue('sorting', $configuration); |
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$order = $parentObject->getParentContentObject()->stdWrapValue('order', $configuration); |
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$selectedPages = $this->sortPages($selectedPages, $order); |
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return $selectedPages; |
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} |
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/** |
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* Sorts the selected pages |
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* |
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* If the sorting field is not defined or does not corresponding to an existing field |
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* of the "pages" tables, the list of pages will remain unchanged. |
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* |
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* @param array $pages List of selected pages |
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* @param string $order Order for sorting (should "asc" or "desc") |
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* @return array Sorted list of pages |
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*/ |
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protected function sortPages($pages, $order) |
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{ |
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// Perform the sorting only if a criterion was actually defined |
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if (!empty(self::$sortingField)) { |
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// Check that the sorting field exists (checking the first record is enough) |
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$firstPage = current($pages); |
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if (isset($firstPage[self::$sortingField])) { |
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// Make sure the order property is either "asc" or "desc" (default is "asc") |
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if (!empty($order)) { |
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$order = strtolower($order); |
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if ($order !== 'desc') { |
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$order = 'asc'; |
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} |
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} |
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uasort( |
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$pages, |
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[ |
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self::class, |
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'sortPagesUtility' |
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] |
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); |
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// If the sort order is descending, reverse the sorted array |
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if ($order === 'desc') { |
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$pages = array_reverse($pages, true); |
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} |
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} |
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} |
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return $pages; |
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} |
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/** |
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* Static utility for sorting pages according to the selected criterion |
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* |
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* @param array $pageA Record for first page to be compared |
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* @param array $pageB Record for second page to be compared |
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* @return array -1 if first argument is smaller than second argument, 1 if first is greater than second and 0 if both are equal |
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*/ |
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public static function sortPagesUtility($pageA, $pageB) |
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{ |
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return strnatcasecmp($pageA[self::$sortingField], $pageB[self::$sortingField]); |
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} |
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} |
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TYPO3 /
TYPO3.CMS
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