648 lines
21 KiB
PHP
648 lines
21 KiB
PHP
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<?php
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namespace dokuwiki\Ui;
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use dokuwiki\Extension\Event;
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use dokuwiki\Form\Form;
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class Search extends Ui
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{
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protected $query;
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protected $parsedQuery;
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protected $searchState;
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protected $pageLookupResults = array();
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protected $fullTextResults = array();
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protected $highlight = array();
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/**
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* Search constructor.
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*
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* @param array $pageLookupResults pagename lookup results in the form [pagename => pagetitle]
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* @param array $fullTextResults fulltext search results in the form [pagename => #hits]
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* @param array $highlight array of strings to be highlighted
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*/
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public function __construct(array $pageLookupResults, array $fullTextResults, $highlight)
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{
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global $QUERY;
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$Indexer = idx_get_indexer();
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$this->query = $QUERY;
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$this->parsedQuery = ft_queryParser($Indexer, $QUERY);
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$this->searchState = new SearchState($this->parsedQuery);
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$this->pageLookupResults = $pageLookupResults;
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$this->fullTextResults = $fullTextResults;
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$this->highlight = $highlight;
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}
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/**
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* display the search result
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*
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* @return void
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*/
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public function show()
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{
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$searchHTML = '';
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$searchHTML .= $this->getSearchIntroHTML($this->query);
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$searchHTML .= $this->getSearchFormHTML($this->query);
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$searchHTML .= $this->getPageLookupHTML($this->pageLookupResults);
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$searchHTML .= $this->getFulltextResultsHTML($this->fullTextResults, $this->highlight);
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echo $searchHTML;
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}
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/**
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* Get a form which can be used to adjust/refine the search
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*
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* @param string $query
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*
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* @return string
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*/
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protected function getSearchFormHTML($query)
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{
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global $lang, $ID, $INPUT;
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$searchForm = (new Form(['method' => 'get'], true))->addClass('search-results-form');
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$searchForm->setHiddenField('do', 'search');
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$searchForm->setHiddenField('id', $ID);
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$searchForm->setHiddenField('sf', '1');
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if ($INPUT->has('min')) {
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$searchForm->setHiddenField('min', $INPUT->str('min'));
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}
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if ($INPUT->has('max')) {
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$searchForm->setHiddenField('max', $INPUT->str('max'));
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}
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if ($INPUT->has('srt')) {
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$searchForm->setHiddenField('srt', $INPUT->str('srt'));
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}
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$searchForm->addFieldsetOpen()->addClass('search-form');
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$searchForm->addTextInput('q')->val($query)->useInput(false);
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$searchForm->addButton('', $lang['btn_search'])->attr('type', 'submit');
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$this->addSearchAssistanceElements($searchForm);
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$searchForm->addFieldsetClose();
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Event::createAndTrigger('FORM_SEARCH_OUTPUT', $searchForm);
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return $searchForm->toHTML();
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}
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/**
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* Add elements to adjust how the results are sorted
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*
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* @param Form $searchForm
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*/
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protected function addSortTool(Form $searchForm)
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{
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global $INPUT, $lang;
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$options = [
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'hits' => [
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'label' => $lang['search_sort_by_hits'],
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'sort' => '',
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],
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'mtime' => [
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'label' => $lang['search_sort_by_mtime'],
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'sort' => 'mtime',
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],
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];
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$activeOption = 'hits';
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if ($INPUT->str('srt') === 'mtime') {
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$activeOption = 'mtime';
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}
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$searchForm->addTagOpen('div')->addClass('toggle')->attr('aria-haspopup', 'true');
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// render current
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$currentWrapper = $searchForm->addTagOpen('div')->addClass('current');
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if ($activeOption !== 'hits') {
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$currentWrapper->addClass('changed');
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}
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$searchForm->addHTML($options[$activeOption]['label']);
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$searchForm->addTagClose('div');
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// render options list
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$searchForm->addTagOpen('ul')->attr('aria-expanded', 'false');
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foreach ($options as $key => $option) {
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$listItem = $searchForm->addTagOpen('li');
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if ($key === $activeOption) {
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$listItem->addClass('active');
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$searchForm->addHTML($option['label']);
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} else {
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$link = $this->searchState->withSorting($option['sort'])->getSearchLink($option['label']);
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$searchForm->addHTML($link);
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}
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$searchForm->addTagClose('li');
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}
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$searchForm->addTagClose('ul');
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$searchForm->addTagClose('div');
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}
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/**
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* Check if the query is simple enough to modify its namespace limitations without breaking the rest of the query
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*
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* @param array $parsedQuery
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*
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* @return bool
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*/
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protected function isNamespaceAssistanceAvailable(array $parsedQuery) {
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if (preg_match('/[\(\)\|]/', $parsedQuery['query']) === 1) {
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return false;
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}
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return true;
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}
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/**
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* Check if the query is simple enough to modify the fragment search behavior without breaking the rest of the query
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*
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* @param array $parsedQuery
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*
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* @return bool
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*/
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protected function isFragmentAssistanceAvailable(array $parsedQuery) {
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if (preg_match('/[\(\)\|]/', $parsedQuery['query']) === 1) {
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return false;
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}
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if (!empty($parsedQuery['phrases'])) {
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return false;
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}
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return true;
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}
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/**
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* Add the elements to be used for search assistance
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*
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* @param Form $searchForm
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*/
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protected function addSearchAssistanceElements(Form $searchForm)
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{
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$searchForm->addTagOpen('div')
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->addClass('advancedOptions')
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->attr('style', 'display: none;')
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->attr('aria-hidden', 'true');
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$this->addFragmentBehaviorLinks($searchForm);
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$this->addNamespaceSelector($searchForm);
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$this->addDateSelector($searchForm);
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$this->addSortTool($searchForm);
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$searchForm->addTagClose('div');
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}
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/**
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* Add the elements to adjust the fragment search behavior
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*
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* @param Form $searchForm
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*/
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protected function addFragmentBehaviorLinks(Form $searchForm)
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{
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if (!$this->isFragmentAssistanceAvailable($this->parsedQuery)) {
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return;
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}
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global $lang;
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$options = [
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'exact' => [
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'label' => $lang['search_exact_match'],
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'and' => array_map(function ($term) {
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return trim($term, '*');
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}, $this->parsedQuery['and']),
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'not' => array_map(function ($term) {
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return trim($term, '*');
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}, $this->parsedQuery['not']),
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],
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'starts' => [
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'label' => $lang['search_starts_with'],
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'and' => array_map(function ($term) {
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return trim($term, '*') . '*';
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}, $this->parsedQuery['and']),
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'not' => array_map(function ($term) {
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return trim($term, '*') . '*';
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}, $this->parsedQuery['not']),
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],
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'ends' => [
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'label' => $lang['search_ends_with'],
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'and' => array_map(function ($term) {
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return '*' . trim($term, '*');
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}, $this->parsedQuery['and']),
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'not' => array_map(function ($term) {
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return '*' . trim($term, '*');
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}, $this->parsedQuery['not']),
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],
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'contains' => [
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'label' => $lang['search_contains'],
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'and' => array_map(function ($term) {
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return '*' . trim($term, '*') . '*';
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}, $this->parsedQuery['and']),
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'not' => array_map(function ($term) {
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return '*' . trim($term, '*') . '*';
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}, $this->parsedQuery['not']),
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]
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];
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// detect current
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$activeOption = 'custom';
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foreach ($options as $key => $option) {
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if ($this->parsedQuery['and'] === $option['and']) {
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$activeOption = $key;
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}
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}
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if ($activeOption === 'custom') {
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$options = array_merge(['custom' => [
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'label' => $lang['search_custom_match'],
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]], $options);
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}
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$searchForm->addTagOpen('div')->addClass('toggle')->attr('aria-haspopup', 'true');
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// render current
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$currentWrapper = $searchForm->addTagOpen('div')->addClass('current');
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if ($activeOption !== 'exact') {
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$currentWrapper->addClass('changed');
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}
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$searchForm->addHTML($options[$activeOption]['label']);
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$searchForm->addTagClose('div');
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// render options list
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$searchForm->addTagOpen('ul')->attr('aria-expanded', 'false');
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foreach ($options as $key => $option) {
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$listItem = $searchForm->addTagOpen('li');
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if ($key === $activeOption) {
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$listItem->addClass('active');
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$searchForm->addHTML($option['label']);
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} else {
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$link = $this->searchState
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->withFragments($option['and'], $option['not'])
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->getSearchLink($option['label'])
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;
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$searchForm->addHTML($link);
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}
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$searchForm->addTagClose('li');
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}
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$searchForm->addTagClose('ul');
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$searchForm->addTagClose('div');
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// render options list
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}
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/**
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* Add the elements for the namespace selector
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*
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* @param Form $searchForm
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*/
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protected function addNamespaceSelector(Form $searchForm)
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{
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if (!$this->isNamespaceAssistanceAvailable($this->parsedQuery)) {
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return;
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}
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global $lang;
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$baseNS = empty($this->parsedQuery['ns']) ? '' : $this->parsedQuery['ns'][0];
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$extraNS = $this->getAdditionalNamespacesFromResults($baseNS);
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$searchForm->addTagOpen('div')->addClass('toggle')->attr('aria-haspopup', 'true');
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// render current
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$currentWrapper = $searchForm->addTagOpen('div')->addClass('current');
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if ($baseNS) {
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$currentWrapper->addClass('changed');
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$searchForm->addHTML('@' . $baseNS);
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} else {
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$searchForm->addHTML($lang['search_any_ns']);
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}
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$searchForm->addTagClose('div');
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// render options list
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$searchForm->addTagOpen('ul')->attr('aria-expanded', 'false');
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$listItem = $searchForm->addTagOpen('li');
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if ($baseNS) {
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$listItem->addClass('active');
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$link = $this->searchState->withNamespace('')->getSearchLink($lang['search_any_ns']);
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$searchForm->addHTML($link);
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} else {
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$searchForm->addHTML($lang['search_any_ns']);
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}
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$searchForm->addTagClose('li');
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foreach ($extraNS as $ns => $count) {
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$listItem = $searchForm->addTagOpen('li');
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$label = $ns . ($count ? " <bdi>($count)</bdi>" : '');
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if ($ns === $baseNS) {
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$listItem->addClass('active');
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$searchForm->addHTML($label);
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} else {
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$link = $this->searchState->withNamespace($ns)->getSearchLink($label);
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$searchForm->addHTML($link);
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}
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$searchForm->addTagClose('li');
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}
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$searchForm->addTagClose('ul');
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$searchForm->addTagClose('div');
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}
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/**
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* Parse the full text results for their top namespaces below the given base namespace
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*
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* @param string $baseNS the namespace within which was searched, empty string for root namespace
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*
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* @return array an associative array with namespace => #number of found pages, sorted descending
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*/
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protected function getAdditionalNamespacesFromResults($baseNS)
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{
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$namespaces = [];
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$baseNSLength = strlen($baseNS);
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foreach ($this->fullTextResults as $page => $numberOfHits) {
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$namespace = getNS($page);
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if (!$namespace) {
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continue;
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}
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if ($namespace === $baseNS) {
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continue;
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}
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$firstColon = strpos((string)$namespace, ':', $baseNSLength + 1) ?: strlen($namespace);
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$subtopNS = substr($namespace, 0, $firstColon);
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if (empty($namespaces[$subtopNS])) {
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$namespaces[$subtopNS] = 0;
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}
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$namespaces[$subtopNS] += 1;
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}
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ksort($namespaces);
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arsort($namespaces);
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return $namespaces;
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}
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/**
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* @ToDo: custom date input
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|
|
*
|
||
|
|
* @param Form $searchForm
|
||
|
|
*/
|
||
|
|
protected function addDateSelector(Form $searchForm)
|
||
|
|
{
|
||
|
|
global $INPUT, $lang;
|
||
|
|
|
||
|
|
$options = [
|
||
|
|
'any' => [
|
||
|
|
'before' => false,
|
||
|
|
'after' => false,
|
||
|
|
'label' => $lang['search_any_time'],
|
||
|
|
],
|
||
|
|
'week' => [
|
||
|
|
'before' => false,
|
||
|
|
'after' => '1 week ago',
|
||
|
|
'label' => $lang['search_past_7_days'],
|
||
|
|
],
|
||
|
|
'month' => [
|
||
|
|
'before' => false,
|
||
|
|
'after' => '1 month ago',
|
||
|
|
'label' => $lang['search_past_month'],
|
||
|
|
],
|
||
|
|
'year' => [
|
||
|
|
'before' => false,
|
||
|
|
'after' => '1 year ago',
|
||
|
|
'label' => $lang['search_past_year'],
|
||
|
|
],
|
||
|
|
];
|
||
|
|
$activeOption = 'any';
|
||
|
|
foreach ($options as $key => $option) {
|
||
|
|
if ($INPUT->str('min') === $option['after']) {
|
||
|
|
$activeOption = $key;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$searchForm->addTagOpen('div')->addClass('toggle')->attr('aria-haspopup', 'true');
|
||
|
|
// render current
|
||
|
|
$currentWrapper = $searchForm->addTagOpen('div')->addClass('current');
|
||
|
|
if ($INPUT->has('max') || $INPUT->has('min')) {
|
||
|
|
$currentWrapper->addClass('changed');
|
||
|
|
}
|
||
|
|
$searchForm->addHTML($options[$activeOption]['label']);
|
||
|
|
$searchForm->addTagClose('div');
|
||
|
|
|
||
|
|
// render options list
|
||
|
|
$searchForm->addTagOpen('ul')->attr('aria-expanded', 'false');
|
||
|
|
|
||
|
|
foreach ($options as $key => $option) {
|
||
|
|
$listItem = $searchForm->addTagOpen('li');
|
||
|
|
|
||
|
|
if ($key === $activeOption) {
|
||
|
|
$listItem->addClass('active');
|
||
|
|
$searchForm->addHTML($option['label']);
|
||
|
|
} else {
|
||
|
|
$link = $this->searchState
|
||
|
|
->withTimeLimitations($option['after'], $option['before'])
|
||
|
|
->getSearchLink($option['label'])
|
||
|
|
;
|
||
|
|
$searchForm->addHTML($link);
|
||
|
|
}
|
||
|
|
$searchForm->addTagClose('li');
|
||
|
|
}
|
||
|
|
$searchForm->addTagClose('ul');
|
||
|
|
|
||
|
|
$searchForm->addTagClose('div');
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Build the intro text for the search page
|
||
|
|
*
|
||
|
|
* @param string $query the search query
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function getSearchIntroHTML($query)
|
||
|
|
{
|
||
|
|
global $lang;
|
||
|
|
|
||
|
|
$intro = p_locale_xhtml('searchpage');
|
||
|
|
|
||
|
|
$queryPagename = $this->createPagenameFromQuery($this->parsedQuery);
|
||
|
|
$createQueryPageLink = html_wikilink($queryPagename . '?do=edit', $queryPagename);
|
||
|
|
|
||
|
|
$pagecreateinfo = '';
|
||
|
|
if (auth_quickaclcheck($queryPagename) >= AUTH_CREATE) {
|
||
|
|
$pagecreateinfo = sprintf($lang['searchcreatepage'], $createQueryPageLink);
|
||
|
|
}
|
||
|
|
$intro = str_replace(
|
||
|
|
array('@QUERY@', '@SEARCH@', '@CREATEPAGEINFO@'),
|
||
|
|
array(hsc(rawurlencode($query)), hsc($query), $pagecreateinfo),
|
||
|
|
$intro
|
||
|
|
);
|
||
|
|
|
||
|
|
return $intro;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a pagename based the parsed search query
|
||
|
|
*
|
||
|
|
* @param array $parsedQuery
|
||
|
|
*
|
||
|
|
* @return string pagename constructed from the parsed query
|
||
|
|
*/
|
||
|
|
public function createPagenameFromQuery($parsedQuery)
|
||
|
|
{
|
||
|
|
$cleanedQuery = cleanID($parsedQuery['query']); // already strtolowered
|
||
|
|
if ($cleanedQuery === \dokuwiki\Utf8\PhpString::strtolower($parsedQuery['query'])) {
|
||
|
|
return ':' . $cleanedQuery;
|
||
|
|
}
|
||
|
|
$pagename = '';
|
||
|
|
if (!empty($parsedQuery['ns'])) {
|
||
|
|
$pagename .= ':' . cleanID($parsedQuery['ns'][0]);
|
||
|
|
}
|
||
|
|
$pagename .= ':' . cleanID(implode(' ' , $parsedQuery['highlight']));
|
||
|
|
return $pagename;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Build HTML for a list of pages with matching pagenames
|
||
|
|
*
|
||
|
|
* @param array $data search results
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function getPageLookupHTML($data)
|
||
|
|
{
|
||
|
|
if (empty($data)) {
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
|
||
|
|
global $lang;
|
||
|
|
|
||
|
|
$html = '<div class="search_quickresult">';
|
||
|
|
$html .= '<h2>' . $lang['quickhits'] . ':</h2>';
|
||
|
|
$html .= '<ul class="search_quickhits">';
|
||
|
|
foreach ($data as $id => $title) {
|
||
|
|
$name = null;
|
||
|
|
if (!useHeading('navigation') && $ns = getNS($id)) {
|
||
|
|
$name = shorten(noNS($id), ' (' . $ns . ')', 30);
|
||
|
|
}
|
||
|
|
$link = html_wikilink(':' . $id, $name);
|
||
|
|
$eventData = [
|
||
|
|
'listItemContent' => [$link],
|
||
|
|
'page' => $id,
|
||
|
|
];
|
||
|
|
Event::createAndTrigger('SEARCH_RESULT_PAGELOOKUP', $eventData);
|
||
|
|
$html .= '<li>' . implode('', $eventData['listItemContent']) . '</li>';
|
||
|
|
}
|
||
|
|
$html .= '</ul> ';
|
||
|
|
//clear float (see http://www.complexspiral.com/publications/containing-floats/)
|
||
|
|
$html .= '<div class="clearer"></div>';
|
||
|
|
$html .= '</div>';
|
||
|
|
|
||
|
|
return $html;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Build HTML for fulltext search results or "no results" message
|
||
|
|
*
|
||
|
|
* @param array $data the results of the fulltext search
|
||
|
|
* @param array $highlight the terms to be highlighted in the results
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function getFulltextResultsHTML($data, $highlight)
|
||
|
|
{
|
||
|
|
global $lang;
|
||
|
|
|
||
|
|
if (empty($data)) {
|
||
|
|
return '<div class="nothing">' . $lang['nothingfound'] . '</div>';
|
||
|
|
}
|
||
|
|
|
||
|
|
$html = '<div class="search_fulltextresult">';
|
||
|
|
$html .= '<h2>' . $lang['search_fullresults'] . ':</h2>';
|
||
|
|
|
||
|
|
$html .= '<dl class="search_results">';
|
||
|
|
$num = 0;
|
||
|
|
$position = 0;
|
||
|
|
|
||
|
|
foreach ($data as $id => $cnt) {
|
||
|
|
$position += 1;
|
||
|
|
$resultLink = html_wikilink(':' . $id, null, $highlight);
|
||
|
|
|
||
|
|
$resultHeader = [$resultLink];
|
||
|
|
|
||
|
|
|
||
|
|
$restrictQueryToNSLink = $this->restrictQueryToNSLink(getNS($id));
|
||
|
|
if ($restrictQueryToNSLink) {
|
||
|
|
$resultHeader[] = $restrictQueryToNSLink;
|
||
|
|
}
|
||
|
|
|
||
|
|
$resultBody = [];
|
||
|
|
$mtime = filemtime(wikiFN($id));
|
||
|
|
$lastMod = '<span class="lastmod">' . $lang['lastmod'] . '</span> ';
|
||
|
|
$lastMod .= '<time datetime="' . date_iso8601($mtime) . '" title="' . dformat($mtime) . '">' .
|
||
|
|
dformat($mtime, '%f') .
|
||
|
|
'</time>';
|
||
|
|
$resultBody['meta'] = $lastMod;
|
||
|
|
if ($cnt !== 0) {
|
||
|
|
$num++;
|
||
|
|
$hits = '<span class="hits">' . $cnt . ' ' . $lang['hits'] . '</span>, ';
|
||
|
|
$resultBody['meta'] = $hits . $resultBody['meta'];
|
||
|
|
if ($num <= FT_SNIPPET_NUMBER) { // create snippets for the first number of matches only
|
||
|
|
$resultBody['snippet'] = ft_snippet($id, $highlight);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$eventData = [
|
||
|
|
'resultHeader' => $resultHeader,
|
||
|
|
'resultBody' => $resultBody,
|
||
|
|
'page' => $id,
|
||
|
|
'position' => $position,
|
||
|
|
];
|
||
|
|
Event::createAndTrigger('SEARCH_RESULT_FULLPAGE', $eventData);
|
||
|
|
$html .= '<div class="search_fullpage_result">';
|
||
|
|
$html .= '<dt>' . implode(' ', $eventData['resultHeader']) . '</dt>';
|
||
|
|
foreach ($eventData['resultBody'] as $class => $htmlContent) {
|
||
|
|
$html .= "<dd class=\"$class\">$htmlContent</dd>";
|
||
|
|
}
|
||
|
|
$html .= '</div>';
|
||
|
|
}
|
||
|
|
$html .= '</dl>';
|
||
|
|
|
||
|
|
$html .= '</div>';
|
||
|
|
|
||
|
|
return $html;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* create a link to restrict the current query to a namespace
|
||
|
|
*
|
||
|
|
* @param false|string $ns the namespace to which to restrict the query
|
||
|
|
*
|
||
|
|
* @return false|string
|
||
|
|
*/
|
||
|
|
protected function restrictQueryToNSLink($ns)
|
||
|
|
{
|
||
|
|
if (!$ns) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (!$this->isNamespaceAssistanceAvailable($this->parsedQuery)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (!empty($this->parsedQuery['ns']) && $this->parsedQuery['ns'][0] === $ns) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$name = '@' . $ns;
|
||
|
|
return $this->searchState->withNamespace($ns)->getSearchLink($name);
|
||
|
|
}
|
||
|
|
}
|