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<?php |
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namespace ApacheSolrForTypo3\Solr\Query; |
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/*************************************************************** |
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* Copyright notice |
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* |
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* (c) 2012-2015 Ingo Renner <[email protected]> |
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* All rights reserved |
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* |
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* This script is part of the TYPO3 project. The TYPO3 project is |
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* free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* The GNU General Public License can be found at |
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* http://www.gnu.org/copyleft/gpl.html. |
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* |
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* This script is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* This copyright notice MUST APPEAR in all copies of the script! |
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***************************************************************/ |
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use ApacheSolrForTypo3\Solr\Query; |
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use ApacheSolrForTypo3\Solr\System\Configuration\TypoScriptConfiguration; |
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use ApacheSolrForTypo3\Solr\Util; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer; |
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/** |
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* Link builder for queries. |
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* |
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* @author Ingo Renner <[email protected]> |
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*/ |
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class LinkBuilder |
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{ |
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/** |
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* Content object. |
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* |
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* @var ContentObjectRenderer |
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*/ |
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protected $contentObject; |
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/** |
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* Solr configuration. |
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* |
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* @var TypoScriptConfiguration |
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*/ |
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protected $solrConfiguration; |
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/** |
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* Solr query. This query's parameters are used in URL parameters. |
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* |
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* @var Query |
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*/ |
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protected $query = null; |
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/** |
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* URL GET parameter prefix |
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* |
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* @var string |
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*/ |
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protected $prefix = 'tx_solr'; |
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/** |
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* Link target page ID. |
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* |
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* @var int |
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*/ |
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protected $linkTargetPageId; |
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/** |
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* Additional URL parameters applicable to all URLs |
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* |
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* @var string |
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*/ |
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protected $urlParameters = ''; |
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/** |
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* Parameters we do not want to appear in the URL, usually for esthetic |
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* reasons. |
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* |
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* @var array |
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*/ |
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protected $unwantedUrlParameters = ['resultsPerPage', 'page']; |
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/** |
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* Constructor. |
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* |
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* @param Query $query Solr query |
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*/ |
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public function __construct(Query $query) |
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{ |
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$this->solrConfiguration = Util::getSolrConfiguration(); |
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$this->contentObject = GeneralUtility::makeInstance(ContentObjectRenderer::class); |
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$this->query = $query; |
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$targetPageUid = $this->contentObject->stdWrap( |
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$this->solrConfiguration->getSearchTargetPage(), |
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$this->solrConfiguration->getSearchTargetPageConfiguration() |
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); |
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$this->linkTargetPageId = $targetPageUid; |
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} |
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/** |
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* Gets the target page Id for links. |
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* |
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* @return int Page Id links are going to point to. |
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*/ |
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public function getLinkTargetPageId() |
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{ |
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return $this->linkTargetPageId; |
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} |
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/** |
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* Sets the target page Id for links |
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* |
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* @param int $pageId Page Id links shall point to. |
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*/ |
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public function setLinkTargetPageId($pageId) |
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{ |
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$this->linkTargetPageId = intval($pageId); |
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} |
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/** |
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* Adds general URL GET parameters. |
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* |
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* @param string $urlParameters URL GET parameters. |
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*/ |
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public function addUrlParameters($urlParameters) |
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{ |
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if ($urlParameters[0] != '&') { |
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$urlParameters = '&' . $urlParameters; |
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} |
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$this->urlParameters .= $urlParameters; |
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} |
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/** |
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* Adds an unwanted URL parameter that should get removed if found when |
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* building URLs. |
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* |
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* @param string $unwantedUrlParameter URL GET parameter |
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*/ |
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public function addUnwantedUrlParameter($unwantedUrlParameter) |
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{ |
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$this->unwantedUrlParameters[] = $unwantedUrlParameter; |
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} |
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/** |
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* Removes an unwanted URL parameter that should not get removed if found when |
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* building URLs. |
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* |
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* @param string $unwantedUrlParameter URL GET parameter |
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*/ |
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public function removeUnwantedUrlParameter($unwantedUrlParameter) |
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{ |
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$key = array_search($unwantedUrlParameter, |
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$this->unwantedUrlParameters); |
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if ($key !== false) { |
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unset($this->unwantedUrlParameters[$key]); |
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} |
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} |
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/** |
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* Generates a URL. |
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* |
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* TODO currently everything in $additionalQueryParameters is prefixed with tx_solr, |
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* allow arbitrary parameters, too (either filter them out or introduce a new 3rd parameter) |
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* |
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* @param array $additionalQueryParameters Additional query parameters |
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* @param array $typolinkOptions Typolink Options |
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* @return string A query URL |
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*/ |
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public function getQueryUrl( |
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array $additionalQueryParameters = [], |
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array $typolinkOptions = [] |
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) { |
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$linkConfigurationOverwrite = ['returnLast' => 'url']; |
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$link = $this->getQueryLink( |
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'', |
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$additionalQueryParameters, |
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array_merge($typolinkOptions, $linkConfigurationOverwrite) |
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); |
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return htmlspecialchars($link); |
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} |
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/** |
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* Generates a html link - an anchor tag. |
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* |
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* TODO currently everything in $additionalQueryParameters is prefixed with tx_solr, |
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* allow arbitrary parameters, too (either filter them out or introduce a new 4th parameter) |
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* |
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* @param string $linkText Link Text |
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* @param array $additionalQueryParameters Additional query parameters |
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* @param array $typolinkOptions Typolink Options |
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* @return string A html link |
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*/ |
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public function getQueryLink( |
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$linkText, |
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array $additionalQueryParameters = [], |
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array $typolinkOptions = [] |
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) { |
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$queryParameters = array_merge( |
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$this->getPluginParameters(), |
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$additionalQueryParameters |
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); |
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$queryParameters = $this->removeUnwantedUrlParameters($queryParameters); |
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$queryGetParameter = ''; |
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$keywords = $this->query->getKeywords(); |
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if (!empty($keywords)) { |
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$queryGetParameter = '&q=' . $keywords; |
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} |
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$linkConfiguration = [ |
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'useCacheHash' => false, |
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'no_cache' => false, |
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'parameter' => $this->linkTargetPageId, |
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'additionalParams' => $queryGetParameter |
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. GeneralUtility::implodeArrayForUrl('', |
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[$this->prefix => $queryParameters], '', true) |
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. $this->getUrlParameters() |
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]; |
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// merge linkConfiguration with typolinkOptions |
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$linkConfiguration = array_merge($linkConfiguration, $typolinkOptions); |
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return $this->contentObject->typoLink($linkText, $linkConfiguration); |
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} |
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/** |
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* Gets the plugin parameters from GET and POST parameters. |
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* |
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* Usually known as piVars. |
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* |
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* @return array Array of GET and POST parameters for the extension. |
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*/ |
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protected function getPluginParameters() |
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{ |
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$pluginParameters = GeneralUtility::_GPmerged($this->prefix); |
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return $pluginParameters; |
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} |
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/** |
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* Filters out unwanted parameters when building query URLs |
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* |
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* @param array $urlParameters An array of parameters that shall be used to build a URL. |
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* @return array Array with wanted parameters only, ready to be used for URL building. |
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*/ |
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public function removeUnwantedUrlParameters(array $urlParameters) |
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{ |
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foreach ($this->unwantedUrlParameters as $unwantedUrlParameter) { |
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unset($urlParameters[$unwantedUrlParameter]); |
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} |
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return $urlParameters; |
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} |
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/** |
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* Gets general URL GET parameters. |
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* |
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* @return string Additional URL GET parameters. |
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*/ |
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public function getUrlParameters() |
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{ |
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$urlParameters = $this->urlParameters; |
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if (!empty($urlParameters) && $urlParameters[0] != '&') { |
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$urlParameters = '&' . $urlParameters; |
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} |
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return $urlParameters; |
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} |
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/** |
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* Sets general URL GET parameters. |
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* |
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* @param string $urlParameters URL GET parameters. |
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*/ |
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public function setUrlParameters($urlParameters) |
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{ |
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$this->urlParameters = $urlParameters; |
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} |
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} |
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