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<?php |
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namespace ApacheSolrForTypo3\Solr\Facet; |
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/*************************************************************** |
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* Copyright notice |
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* |
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* (c) 2011-2015 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\LinkBuilder; |
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use ApacheSolrForTypo3\Solr\Search; |
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use ApacheSolrForTypo3\Solr\Template; |
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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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* Facet renderer. |
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* |
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* @author Ingo Renner <[email protected]> |
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*/ |
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abstract class AbstractFacetRenderer implements FacetRenderer |
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{ |
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/** |
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* @var Search |
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*/ |
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protected $search; |
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/** |
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* The name of the facet being rendered |
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* |
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* @var string |
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*/ |
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protected $facetName; |
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/** |
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* The facet to render. |
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* |
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* @var Facet |
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*/ |
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protected $facet; |
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/** |
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* @var array |
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*/ |
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protected $facetConfiguration; |
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/** |
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* @var array |
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*/ |
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protected $solrConfiguration; |
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/** |
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* Template |
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* |
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* @var Template |
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*/ |
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protected $template = null; |
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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 = 0; |
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/** |
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* Query link builder |
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* |
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* @var LinkBuilder |
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*/ |
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protected $queryLinkBuilder; |
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/** |
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* Constructor. |
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* |
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* @param Facet $facet The facet to render. |
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*/ |
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public function __construct(Facet $facet) |
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{ |
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$this->search = GeneralUtility::makeInstance(Search::class); |
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$this->facet = $facet; |
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$this->facetName = $facet->getName(); |
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$this->solrConfiguration = Util::getSolrConfiguration(); |
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$this->facetConfiguration = $this->solrConfiguration->getSearchFacetingFacetByName($this->facetName); |
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$this->linkTargetPageId = $GLOBALS['TSFE']->id; |
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$this->queryLinkBuilder = GeneralUtility::makeInstance(LinkBuilder::class, $this->search->getQuery()); |
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} |
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/** |
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* Renders the complete facet. |
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* |
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* @return string Facet markup. |
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*/ |
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public function renderFacet() |
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{ |
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// TODO must check whether $this->template is set |
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$facetContent = ''; |
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$showEmptyFacets = $this->solrConfiguration->getSearchFacetingShowEmptyFacetsByName($this->facetName); |
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// if the facet doesn't provide any options, don't render it unless |
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// it is configured to be rendered nevertheless |
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if (!$this->facet->isEmpty() || $showEmptyFacets) { |
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$facetTemplate = clone $this->template; |
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$facetTemplate->workOnSubpart('single_facet'); |
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$facetOptions = $this->renderFacetOptions(); |
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$facetTemplate->addSubpart('single_facet_option', $facetOptions); |
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$facet = $this->getFacetProperties(); |
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// remove properties irrelevant for rendering in the template engine |
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unset( |
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$facet['renderingInstruction'], |
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$facet['renderingInstruction.'], |
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$facet[$facet['type'] . '.'] |
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); |
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$facetTemplate->addVariable('facet', $facet); |
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$facetContent = $facetTemplate->render(); |
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} |
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return $facetContent; |
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} |
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/** |
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* Renders a numeric range facet by providing a slider |
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* |
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* @return string |
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*/ |
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abstract protected function renderFacetOptions(); |
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/** |
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* (non-PHPdoc) |
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* @see \ApacheSolrForTypo3\Solr\Facet\FacetRenderer::getFacetProperties() |
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*/ |
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public function getFacetProperties() |
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{ |
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$facet = $this->facetConfiguration; |
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// TODO move these properties into ApacheSolrForTypo3\Solr\Facet\Facet and provide them via ArrayAccess interface |
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$facet['name'] = $this->facetName; |
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$facet['count'] = $this->getFacetOptionsCount(); |
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$facet['active'] = $this->facet->isActive() ? '1' : '0'; |
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$facet['empty'] = $this->facet->isEmpty() ? '1' : '0'; |
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$facet['reset_url'] = $this->buildResetFacetUrl(); |
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$contentObject = GeneralUtility::makeInstance(ContentObjectRenderer::class); |
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$facet['label'] = $contentObject->stdWrap( |
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$this->facetConfiguration['label'], |
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$this->facetConfiguration['label.'] |
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); |
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$facet['type'] = 'default'; |
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if (!empty($this->facetConfiguration['type'])) { |
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$facet['type'] = $this->facetConfiguration['type']; |
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} |
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return $facet; |
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} |
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/** |
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* (non-PHPdoc) |
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* @see \ApacheSolrForTypo3\Solr\Facet\FacetRenderer::getFacetOptions() |
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*/ |
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public function getFacetOptions() |
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{ |
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return $this->facet->getOptionsRaw(); |
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} |
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/** |
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* (non-PHPdoc) |
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* @see \ApacheSolrForTypo3\Solr\Facet\FacetRenderer::getFacetOptionsCount() |
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*/ |
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public function getFacetOptionsCount() |
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{ |
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return $this->facet->getOptionsCount(); |
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} |
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/** |
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* (non-PHPdoc) |
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* @see \ApacheSolrForTypo3\Solr\Facet\FacetRenderer::setTemplate() |
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* @param Template $template |
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*/ |
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public function setTemplate(Template $template) |
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{ |
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$this->template = $template; |
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} |
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/** |
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* (non-PHPdoc) |
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* @see \ApacheSolrForTypo3\Solr\Facet\FacetRenderer::setLinkTargetPageId() |
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* @param int $linkTargetPageId |
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*/ |
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public function setLinkTargetPageId($linkTargetPageId) |
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{ |
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$this->linkTargetPageId = intval($linkTargetPageId); |
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$this->queryLinkBuilder->setLinkTargetPageId($this->linkTargetPageId); |
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} |
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/** |
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* Builds the URL to reset all options of a facet - removing all its applied |
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* filters from a result set. |
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* |
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* @return string Url to remove a facet |
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*/ |
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protected function buildResetFacetUrl() |
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{ |
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$resultParameters = GeneralUtility::_GPmerged('tx_solr'); |
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if (is_array($resultParameters['filter'])) { |
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// urldecode the array to get the original representation |
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$filterParameters = array_values((array)array_map('urldecode', |
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$resultParameters['filter'])); |
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$filterParameters = array_unique($filterParameters); |
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// find and remove all options for this facet |
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foreach ($filterParameters as $key => $filter) { |
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list($filterName, $filterValue) = explode(':', $filter); |
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if ($filterName == $this->facetName) { |
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unset($filterParameters[$key]); |
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} |
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} |
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$filterParameters = array_map('urlencode', $filterParameters); |
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$resetFacetUrl = $this->queryLinkBuilder->getQueryUrl(array('filter' => $filterParameters)); |
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} else { |
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$resetFacetUrl = $this->queryLinkBuilder->getQueryUrl(); |
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} |
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return $resetFacetUrl; |
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} |
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} |
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Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: