SearchFormWidget.php

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<?php
 
namespace MediaWiki\Widget\Search;
 
use Hooks;
use Html;
use MediaWiki\Widget\SearchInputWidget;
use MWNamespace;
use SearchEngineConfig;
use SpecialSearch;
use Xml;
 
class SearchFormWidget {
    protected $specialSearch;
    protected $searchConfig;
    protected $profiles;
 
    public function __construct(
        SpecialSearch $specialSearch,
        SearchEngineConfig $searchConfig,
        array $profiles
    ) {
        $this->specialSearch = $specialSearch;
        $this->searchConfig = $searchConfig;
        $this->profiles = $profiles;
    }
 
    public function render(
        $profile,
        $term,
        $numResults,
        $totalResults,
        $offset,
        $isPowerSearch
    ) {
        return Xml::openElement(
                'form',
                [
                    'id' => $isPowerSearch ? 'powersearch' : 'search',
                    'method' => 'get',
                    'action' => wfScript(),
                ]
            ) .
                '<div id="mw-search-top-table">' .
                    $this->shortDialogHtml( $profile, $term, $numResults, $totalResults, $offset ) .
                '</div>' .
                "<div class='mw-search-visualclear'></div>" .
                "<div class='mw-search-profile-tabs'>" .
                    $this->profileTabsHtml( $profile, $term ) .
                    "<div style='clear:both'></div>" .
                "</div>" .
                $this->optionsHtml( $term, $isPowerSearch, $profile ) .
            '</form>';
    }
 
    protected function shortDialogHtml( $profile, $term, $numResults, $totalResults, $offset ) {
        $html = '';
 
        $searchWidget = new SearchInputWidget( [
            'id' => 'searchText',
            'name' => 'search',
            'autofocus' => trim( $term ) === '',
            'value' => $term,
            'dataLocation' => 'content',
            'infusable' => true,
        ] );
 
        $layout = new \OOUI\ActionFieldLayout( $searchWidget, new \OOUI\ButtonInputWidget( [
            'type' => 'submit',
            'label' => $this->specialSearch->msg( 'searchbutton' )->text(),
            'flags' => [ 'progressive', 'primary' ],
        ] ), [
            'align' => 'top',
        ] );
 
        $html .= $layout;
 
        if ( $totalResults > 0 && $offset < $totalResults ) {
            $html .= Xml::tags(
                'div',
                [
                    'class' => 'results-info',
                    'data-mw-num-results-offset' => $offset,
                    'data-mw-num-results-total' => $totalResults
                ],
                $this->specialSearch->msg( 'search-showingresults' )
                    ->numParams( $offset + 1, $offset + $numResults, $totalResults )
                    ->numParams( $numResults )
                    ->parse()
            );
        }
 
        $html .=
            Html::hidden( 'title', $this->specialSearch->getPageTitle()->getPrefixedText() ) .
            Html::hidden( 'profile', $profile ) .
            Html::hidden( 'fulltext', '1' );
 
        return $html;
    }
 
    protected function profileTabsHtml( $profile, $term ) {
        $bareterm = $this->startsWithImage( $term )
            ? substr( $term, strpos( $term, ':' ) + 1 )
            : $term;
        $lang = $this->specialSearch->getLanguage();
        $items = [];
        foreach ( $this->profiles as $id => $profileConfig ) {
            $profileConfig['parameters']['profile'] = $id;
            $tooltipParam = isset( $profileConfig['namespace-messages'] )
                ? $lang->commaList( $profileConfig['namespace-messages'] )
                : null;
            $items[] = Xml::tags(
                'li',
                [ 'class' => $profile === $id ? 'current' : 'normal' ],
                $this->makeSearchLink(
                    $bareterm,
                    $this->specialSearch->msg( $profileConfig['message'] )->text(),
                    $this->specialSearch->msg( $profileConfig['tooltip'], $tooltipParam )->text(),
                    $profileConfig['parameters']
                )
            );
        }
 
        return "<div class='search-types'>" .
            "<ul>" . implode( '', $items ) . "</ul>" .
        "</div>";
    }
 
    protected function startsWithImage( $term ) {
        global $wgContLang;
 
        $parts = explode( ':', $term );
        return count( $parts ) > 1
            ? $wgContLang->getNsIndex( $parts[0] ) === NS_FILE
            : false;
    }
 
    protected function makeSearchLink( $term, $label, $tooltip, array $params = [] ) {
        $params += [
            'search' => $term,
            'fulltext' => 1,
        ];
 
        return Xml::element(
            'a',
            [
                'href' => $this->specialSearch->getPageTitle()->getLocalURL( $params ),
                'title' => $tooltip,
            ],
            $label
        );
    }
 
    protected function optionsHtml( $term, $isPowerSearch, $profile ) {
        $html = '';
 
        if ( $isPowerSearch ) {
            $html .= $this->powerSearchBox( $term, [] );
        } else {
            $form = '';
            Hooks::run( 'SpecialSearchProfileForm', [
                $this->specialSearch, &$form, $profile, $term, []
            ] );
            $html .= $form;
        }
 
        return $html;
    }
 
    protected function powerSearchBox( $term, array $opts ) {
        global $wgContLang;
 
        $rows = [];
        $activeNamespaces = $this->specialSearch->getNamespaces();
        foreach ( $this->searchConfig->searchableNamespaces() as $namespace => $name ) {
            $subject = MWNamespace::getSubject( $namespace );
            if ( !isset( $rows[$subject] ) ) {
                $rows[$subject] = "";
            }
 
            $name = $wgContLang->getConverter()->convertNamespace( $namespace );
            if ( $name === '' ) {
                $name = $this->specialSearch->msg( 'blanknamespace' )->text();
            }
 
            $rows[$subject] .=
                '<td>' .
                    Xml::checkLabel(
                        $name,
                        "ns{$namespace}",
                        "mw-search-ns{$namespace}",
                        in_array( $namespace, $activeNamespaces )
                    ) .
                '</td>';
        }
 
        // Lays out namespaces in multiple floating two-column tables so they'll
        // be arranged nicely while still accomodating diferent screen widths
        $tableRows = [];
        foreach ( $rows as $row ) {
            $tableRows[] = "<tr>{$row}</tr>";
        }
        $namespaceTables = [];
        foreach ( array_chunk( $tableRows, 4 ) as $chunk ) {
            $namespaceTables[] = implode( '', $chunk );
        }
 
        $showSections = [
            'namespaceTables' => "<table>" . implode( '</table><table>', $namespaceTables ) . '</table>',
        ];
        Hooks::run( 'SpecialSearchPowerBox', [ &$showSections, $term, $opts ] );
 
        $hidden = '';
        foreach ( $opts as $key => $value ) {
            $hidden .= Html::hidden( $key, $value );
        }
 
        $divider = "<div class='divider'></div>";
 
        // Stuff to feed SpecialSearch::saveNamespaces()
        $user = $this->specialSearch->getUser();
        $remember = '';
        if ( $user->isLoggedIn() ) {
            $remember = $divider . Xml::checkLabel(
                $this->specialSearch->msg( 'powersearch-remember' )->text(),
                'nsRemember',
                'mw-search-powersearch-remember',
                false,
                // The token goes here rather than in a hidden field so it
                // is only sent when necessary (not every form submission)
                [ 'value' => $user->getEditToken(
                    'searchnamespace',
                    $this->specialSearch->getRequest()
                ) ]
            );
        }
 
        return "<fieldset id='mw-searchoptions'>" .
            "<legend>" . $this->specialSearch->msg( 'powersearch-legend' )->escaped() . '</legend>' .
            "<h4>" . $this->specialSearch->msg( 'powersearch-ns' )->parse() . '</h4>' .
            // populated by js if available
            "<div id='mw-search-togglebox'></div>" .
            $divider .
            implode(
                $divider,
                $showSections
            ) .
            $hidden .
            $remember .
        "</fieldset>";
    }
}