137 lines
4.4 KiB
PHP
137 lines
4.4 KiB
PHP
<?php
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namespace WapplerSystems\Meilisearch\ViewHelpers\Widget\Controller;
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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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use WapplerSystems\Meilisearch\Widget\AbstractWidgetController;
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use TYPO3\CMS\Core\Utility\ArrayUtility;
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/**
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* Class AbstractPaginateWidgetController
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*
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* @author Frans Saris <frans@beech.it>
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* @author Timo Hund <timo.hund@dkd.de>
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*/
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abstract class AbstractPaginateWidgetController extends AbstractWidgetController
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{
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/**
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* @var array
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*/
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protected $configuration = [
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'insertAbove' => true,
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'insertBelow' => true,
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'maximumNumberOfLinks' => 10,
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'addQueryStringMethod' => '',
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'templatePath' => ''
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];
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/**
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* @var int
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*/
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protected $currentPage = 1;
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/**
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* @var int
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*/
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protected $displayRangeStart;
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/**
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* @var int
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*/
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protected $displayRangeEnd;
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/**
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* @var int
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*/
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protected $maximumNumberOfLinks = 99;
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/**
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* @var int
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*/
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protected $numberOfPages = 1;
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/**
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* @var string
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*/
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protected $templatePath = '';
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/**
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* @return void
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*/
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public function initializeAction() {
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$configuration = is_array($this->widgetConfiguration['configuration']) ? $this->widgetConfiguration['configuration'] : [];
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ArrayUtility::mergeRecursiveWithOverrule($this->configuration, $configuration, false);
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$this->maximumNumberOfLinks = (int)$this->configuration['maximumNumberOfLinks'];
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if (!empty($this->configuration['templatePath'])) {
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$this->templatePath = \TYPO3\CMS\Core\Utility\GeneralUtility::getFileAbsFileName($this->configuration['templatePath']);
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}
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}
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/**
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* If a certain number of links should be displayed, adjust before and after
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* amounts accordingly.
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*
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* @return void
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*/
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protected function calculateDisplayRange()
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{
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$maximumNumberOfLinks = $this->maximumNumberOfLinks;
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if ($maximumNumberOfLinks > $this->numberOfPages) {
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$maximumNumberOfLinks = $this->numberOfPages;
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}
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$delta = floor($maximumNumberOfLinks / 2);
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$this->displayRangeStart = $this->currentPage - $delta;
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$this->displayRangeEnd = $this->currentPage + $delta - ($maximumNumberOfLinks % 2 === 0 ? 1 : 0);
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if ($this->displayRangeStart < 1) {
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$this->displayRangeEnd -= $this->displayRangeStart - 1;
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}
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if ($this->displayRangeEnd > $this->numberOfPages) {
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$this->displayRangeStart -= $this->displayRangeEnd - $this->numberOfPages;
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}
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$this->displayRangeStart = (int)max($this->displayRangeStart, 1);
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$this->displayRangeEnd = (int)min($this->displayRangeEnd, $this->numberOfPages);
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}
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/**
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* Returns an array with the keys "pages", "current", "numberOfPages", "nextPage" & "previousPage"
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*
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* @return array
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*/
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protected function buildPagination()
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{
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$this->calculateDisplayRange();
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$pages = [];
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for ($i = $this->displayRangeStart; $i <= $this->displayRangeEnd; $i++) {
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$pages[] = ['number' => $i, 'isCurrent' => $i === $this->currentPage];
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}
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$pagination = ['pages' => $pages, 'current' => $this->currentPage, 'numberOfPages' => $this->numberOfPages, 'displayRangeStart' => $this->displayRangeStart, 'displayRangeEnd' => $this->displayRangeEnd, 'hasLessPages' => $this->displayRangeStart > 2, 'hasMorePages' => $this->displayRangeEnd + 1 < $this->numberOfPages];
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if ($this->currentPage < $this->numberOfPages) {
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$pagination['nextPage'] = $this->currentPage + 1;
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}
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if ($this->currentPage > 1) {
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$pagination['previousPage'] = $this->currentPage - 1;
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}
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// calculate starting count for <ol> (items per page multiplied by (number of pages -1) and adding +1)
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$pagination['resultCountStart'] = (($this->getItemsPerPage() * ($this->currentPage - 1)) + 1);
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return $pagination;
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}
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/**
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* @return int
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*/
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abstract protected function getItemsPerPage();
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}
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