315 lines
9.4 KiB
PHP
315 lines
9.4 KiB
PHP
<?php
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/**
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* @package Joomla.Site
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* @subpackage com_search
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*
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* @copyright (C) 2007 Open Source Matters, Inc. <https://www.joomla.org>
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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defined('_JEXEC') or die;
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use Joomla\String\StringHelper;
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/**
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* HTML View class for the search component
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*
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* @since 1.0
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*/
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class SearchViewSearch extends JViewLegacy
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{
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/**
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* Execute and display a template script.
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*
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* @param string $tpl The name of the template file to parse; automatically searches through the template paths.
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*
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* @return mixed A string if successful, otherwise an Error object.
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*
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* @since 1.0
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*/
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public function display($tpl = null)
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{
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JLoader::register('SearchHelper', JPATH_COMPONENT_ADMINISTRATOR . '/helpers/search.php');
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$app = JFactory::getApplication();
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$uri = JUri::getInstance();
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$error = null;
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$results = null;
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$total = 0;
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// Get some data from the model
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$areas = $this->get('areas');
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$state = $this->get('state');
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$searchWord = $state->get('keyword');
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$params = $app->getParams();
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if (!$app->getMenu()->getActive())
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{
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$params->set('page_title', JText::_('COM_SEARCH_SEARCH'));
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}
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$title = $params->get('page_title');
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if ($app->get('sitename_pagetitles', 0) == 1)
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{
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$title = JText::sprintf('JPAGETITLE', $app->get('sitename'), $title);
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}
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elseif ($app->get('sitename_pagetitles', 0) == 2)
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{
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$title = JText::sprintf('JPAGETITLE', $title, $app->get('sitename'));
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}
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$this->document->setTitle($title);
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if ($params->get('menu-meta_description'))
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{
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$this->document->setDescription($params->get('menu-meta_description'));
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}
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if ($params->get('menu-meta_keywords'))
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{
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$this->document->setMetadata('keywords', $params->get('menu-meta_keywords'));
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}
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if ($params->get('robots'))
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{
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$this->document->setMetadata('robots', $params->get('robots'));
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}
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// Built select lists
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$orders = array();
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$orders[] = JHtml::_('select.option', 'newest', JText::_('COM_SEARCH_NEWEST_FIRST'));
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$orders[] = JHtml::_('select.option', 'oldest', JText::_('COM_SEARCH_OLDEST_FIRST'));
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$orders[] = JHtml::_('select.option', 'popular', JText::_('COM_SEARCH_MOST_POPULAR'));
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$orders[] = JHtml::_('select.option', 'alpha', JText::_('COM_SEARCH_ALPHABETICAL'));
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$orders[] = JHtml::_('select.option', 'category', JText::_('JCATEGORY'));
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$lists = array();
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$lists['ordering'] = JHtml::_('select.genericlist', $orders, 'ordering', 'class="inputbox"', 'value', 'text', $state->get('ordering'));
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$searchphrases = array();
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$searchphrases[] = JHtml::_('select.option', 'all', JText::_('COM_SEARCH_ALL_WORDS'));
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$searchphrases[] = JHtml::_('select.option', 'any', JText::_('COM_SEARCH_ANY_WORDS'));
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$searchphrases[] = JHtml::_('select.option', 'exact', JText::_('COM_SEARCH_EXACT_PHRASE'));
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$lists['searchphrase'] = JHtml::_('select.radiolist', $searchphrases, 'searchphrase', '', 'value', 'text', $state->get('match'));
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// Log the search
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\Joomla\CMS\Helper\SearchHelper::logSearch($searchWord, 'com_search');
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// Limit search-word
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$lang = JFactory::getLanguage();
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$upper_limit = $lang->getUpperLimitSearchWord();
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$lower_limit = $lang->getLowerLimitSearchWord();
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if (SearchHelper::limitSearchWord($searchWord))
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{
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$error = JText::sprintf('COM_SEARCH_ERROR_SEARCH_MESSAGE', $lower_limit, $upper_limit);
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}
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// Sanitise search-word
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if (SearchHelper::santiseSearchWord($searchWord, $state->get('match')))
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{
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$error = JText::_('COM_SEARCH_ERROR_IGNOREKEYWORD');
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}
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if (!$searchWord && !empty($this->input) && count($this->input->post))
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{
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// $error = JText::_('COM_SEARCH_ERROR_ENTERKEYWORD');
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}
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// Put the filtered results back into the model
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// for next release, the checks should be done in the model perhaps...
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$state->set('keyword', $searchWord);
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if ($error === null)
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{
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$results = $this->get('data');
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$total = $this->get('total');
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$pagination = $this->get('pagination');
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// Flag indicates to not add limitstart=0 to URL
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$pagination->hideEmptyLimitstart = true;
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if ($state->get('match') === 'exact')
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{
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$searchWords = array($searchWord);
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$needle = $searchWord;
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}
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else
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{
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$searchWordA = preg_replace('#\xE3\x80\x80#', ' ', $searchWord);
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$searchWords = preg_split("/\s+/u", $searchWordA);
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$needle = $searchWords[0];
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}
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JLoader::register('ContentHelperRoute', JPATH_SITE . '/components/com_content/helpers/route.php');
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// Make sure there are no slashes in the needle
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$needle = str_replace('/', '\/', $needle);
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for ($i = 0, $count = count($results); $i < $count; ++$i)
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{
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$rowTitle = &$results[$i]->title;
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$rowTitleHighLighted = $this->highLight($rowTitle, $needle, $searchWords);
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$rowText = &$results[$i]->text;
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$rowTextHighLighted = $this->highLight($rowText, $needle, $searchWords);
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$result = &$results[$i];
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$created = '';
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if ($result->created)
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{
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$created = JHtml::_('date', $result->created, JText::_('DATE_FORMAT_LC3'));
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}
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$result->title = $rowTitleHighLighted;
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$result->text = JHtml::_('content.prepare', $rowTextHighLighted, '', 'com_search.search');
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$result->created = $created;
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$result->count = $i + 1;
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}
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}
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// Check for layout override
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$active = JFactory::getApplication()->getMenu()->getActive();
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if (isset($active->query['layout']))
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{
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$this->setLayout($active->query['layout']);
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}
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// Escape strings for HTML output
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$this->pageclass_sfx = htmlspecialchars($params->get('pageclass_sfx', ''));
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$this->pagination = &$pagination;
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$this->results = &$results;
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$this->lists = &$lists;
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$this->params = &$params;
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$this->ordering = $state->get('ordering');
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$this->searchword = $searchWord;
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$this->origkeyword = $state->get('origkeyword');
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$this->searchphrase = $state->get('match');
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$this->searchareas = $areas;
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$this->total = $total;
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$this->error = $error;
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$this->action = $uri;
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parent::display($tpl);
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}
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/**
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* Method to control the highlighting of keywords
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*
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* @param string $string text to be searched
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* @param string $needle text to search for
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* @param string $searchWords words to be searched
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*
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* @return mixed A string.
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*
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* @since 3.8.4
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*/
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public function highLight($string, $needle, $searchWords)
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{
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$hl1 = '<span class="highlight">';
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$hl2 = '</span>';
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$mbString = extension_loaded('mbstring');
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$highlighterLen = strlen($hl1 . $hl2);
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// Doing HTML entity decoding here, just in case we get any HTML entities here.
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$quoteStyle = version_compare(PHP_VERSION, '5.4', '>=') ? ENT_NOQUOTES | ENT_HTML401 : ENT_NOQUOTES;
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$row = html_entity_decode($string, $quoteStyle, 'UTF-8');
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$row = SearchHelper::prepareSearchContent($row, $needle);
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$searchWords = array_values(array_unique($searchWords));
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$lowerCaseRow = $mbString ? mb_strtolower($row) : StringHelper::strtolower($row);
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$transliteratedLowerCaseRow = SearchHelper::remove_accents($lowerCaseRow);
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$posCollector = array();
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foreach ($searchWords as $highlightWord)
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{
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$found = false;
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if ($mbString)
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{
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$lowerCaseHighlightWord = mb_strtolower($highlightWord);
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if (($pos = mb_strpos($lowerCaseRow, $lowerCaseHighlightWord)) !== false)
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{
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$found = true;
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}
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elseif (($pos = mb_strpos($transliteratedLowerCaseRow, $lowerCaseHighlightWord)) !== false)
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{
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$found = true;
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}
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}
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else
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{
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$lowerCaseHighlightWord = StringHelper::strtolower($highlightWord);
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if (($pos = StringHelper::strpos($lowerCaseRow, $lowerCaseHighlightWord)) !== false)
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{
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$found = true;
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}
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elseif (($pos = StringHelper::strpos($transliteratedLowerCaseRow, $lowerCaseHighlightWord)) !== false)
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{
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$found = true;
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}
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}
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if ($found === true)
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{
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// Iconv transliterates '€' to 'EUR'
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// TODO: add other expanding translations?
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$eur_compensation = $pos > 0 ? substr_count($row, "\xE2\x82\xAC", 0, $pos) * 2 : 0;
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$pos -= $eur_compensation;
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// Collect pos and search-word
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$posCollector[$pos] = $highlightWord;
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}
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}
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if (count($posCollector))
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{
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// Sort by pos. Easier to handle overlapping highlighter-spans
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ksort($posCollector);
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$cnt = 0;
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$lastHighlighterEnd = -1;
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foreach ($posCollector as $pos => $highlightWord)
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{
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$pos += $cnt * $highlighterLen;
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/*
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* Avoid overlapping/corrupted highlighter-spans
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* TODO $chkOverlap could be used to highlight remaining part
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* of search-word outside last highlighter-span.
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* At the moment no additional highlighter is set.
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*/
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$chkOverlap = $pos - $lastHighlighterEnd;
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if ($chkOverlap >= 0)
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{
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// Set highlighter around search-word
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if ($mbString)
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{
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$highlightWordLen = mb_strlen($highlightWord);
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$row = mb_substr($row, 0, $pos) . $hl1 . mb_substr($row, $pos, $highlightWordLen)
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. $hl2 . mb_substr($row, $pos + $highlightWordLen);
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}
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else
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{
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$highlightWordLen = StringHelper::strlen($highlightWord);
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$row = StringHelper::substr($row, 0, $pos)
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. $hl1 . StringHelper::substr($row, $pos, StringHelper::strlen($highlightWord))
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. $hl2 . StringHelper::substr($row, $pos + StringHelper::strlen($highlightWord));
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}
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$cnt++;
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$lastHighlighterEnd = $pos + $highlightWordLen + $highlighterLen;
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}
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}
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}
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return $row;
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}
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}
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