mediawiki-extensions-Tabber.../includes/Tabber.php
2024-11-16 03:19:11 -05:00

270 lines
7.6 KiB
PHP

<?php
/**
* TabberNeue
* Tabber Class
* Implement <tabber> tag
*
* @package TabberNeue
* @author alistair3149, Eric Fortin, Alexia E. Smith, Ciencia Al Poder
* @license GPL-3.0-or-later
* @link https://www.mediawiki.org/wiki/Extension:TabberNeue
*/
declare( strict_types=1 );
namespace MediaWiki\Extension\TabberNeue;
use Html;
use JsonException;
use MediaWiki\MediaWikiServices;
use Parser;
use PPFrame;
use Sanitizer;
class Tabber {
/** @var bool Flag that checks if this is a nested tabber */
private static $isNested = false;
/** @var bool */
private static $useCodex = false;
/** @var bool */
private static $parseTabName = false;
/**
* Parser callback for <tabber> tag
*
* @param string|null $input
* @param array $args
* @param Parser $parser Mediawiki Parser Object
* @param PPFrame $frame Mediawiki PPFrame Object
*
* @return string HTML
*/
public static function parserHook( ?string $input, array $args, Parser $parser, PPFrame $frame ) {
$config = MediaWikiServices::getInstance()->getMainConfig();
$parserOutput = $parser->getOutput();
self::$parseTabName = $config->get( 'TabberNeueParseTabName' );
self::$useCodex = $config->get( 'TabberNeueUseCodex' );
$count = count( $parserOutput->getExtensionData( 'tabber-count' ) ?? [] );
$html = self::render( $input ?? '', $count, $parser, $frame );
if ( $input === null ) {
return '';
}
$parserOutput->appendExtensionData( 'tabber-count', $count++ );
if ( self::$useCodex === true ) {
$parser->getOutput()->addModules( [ 'ext.tabberNeue.codex' ] );
} else {
$parser->getOutput()->addModuleStyles( [ 'ext.tabberNeue.init.styles' ] );
$parser->getOutput()->addModules( [ 'ext.tabberNeue' ] );
}
$parser->addTrackingCategory( 'tabberneue-tabber-category' );
return $html;
}
/**
* Renders the necessary HTML for a <tabber> tag.
*
* @param string $input The input URL between the beginning and ending tags.
* @param int $count Current Tabber count
* @param Parser $parser Mediawiki Parser Object
* @param PPFrame $frame Mediawiki PPFrame Object
*
* @return string HTML
*/
public static function render( string $input, int $count, Parser $parser, PPFrame $frame ): string {
$arr = explode( '|-|', $input );
$tabs = '';
$tabpanels = '';
foreach ( $arr as $tab ) {
$tabData = self::getTabData( $tab, $count, $parser, $frame );
if ( $tabData === [] ) {
continue;
}
if ( self::$useCodex && self::$isNested ) {
$tabpanels .= self::getCodexNestedTabJSON( $tabData );
continue;
}
$tabs .= self::getTabHTML( $tabData );
$tabpanels .= self::getTabpanelHTML( $tabData );
}
if ( self::$useCodex && self::$isNested ) {
$tabpanels = rtrim( implode( '},', explode( '}', $tabpanels ) ), ',' );
$tabpanels = strip_tags( html_entity_decode( $tab ) );
$tabpanels = str_replace( ',,', ',', $tabpanels );
$tabpanels = str_replace( ',]', ']', $tabpanels );
return sprintf( '[%s]', $tabpanels );
}
return "<div id='tabber-$count' class='tabber tabber--init'>" .
'<header class="tabber__header"><button class="tabber__header__prev" aria-hidden="true"></button>' .
'<nav class="tabber__tabs" role="tablist">' . $tabs . '</nav>' .
'<button class="tabber__header__next" aria-hidden="true"></button></header>' .
'<section class="tabber__section">' . $tabpanels . '</section></div>';
}
/**
* Get parsed tab labels
*
* @param string $label tab label wikitext
* @param Parser $parser Mediawiki Parser Object
*
* @return string
*/
private static function getTabLabel( string $label, Parser $parser ): string {
$label = trim( $label );
if ( $label === '' ) {
return '';
}
if ( !self::$parseTabName || self::$useCodex ) {
// Only plain text is needed
// Use language converter to get variant title and also escape html
$label = $parser->getTargetLanguageConverter()->convertHtml( $label );
} else {
// Might contains HTML
$label = $parser->recursiveTagParseFully( $label );
$label = $parser->stripOuterParagraph( $label );
}
return $label;
}
/**
* Get parsed tab content
*
* @param string $content tab content wikitext
* @param Parser $parser Mediawiki Parser Object
* @param PPFrame $frame Mediawiki PPFrame Object
*
* @return string
*/
private static function getTabContent( string $content, Parser $parser, PPFrame $frame ): string {
$content = trim( $content );
if ( $content === '' ) {
return '';
}
if ( !self::$useCodex ) {
$wikitextListMarkers = [ '*', '#', ';', ':' ];
$isWikitextList = in_array( substr( $content, 0, 1 ), $wikitextListMarkers );
if ( $isWikitextList ) {
// Fix #151, some wikitext magic
// Seems like there is no way to get rid of the mw-empty-elt paragraphs sadly
$content = "\n$content\n";
}
return $parser->recursiveTagParse( $content, $frame );
}
// The outermost tabber that must be parsed fully in codex for correct json
if ( strpos( $content, '{{#tag:tabber' ) === false ) {
return $parser->recursiveTagParseFully( $content, $frame );
}
self::$isNested = true;
$content = $parser->recursiveTagParse( $content, $frame );
self::$isNested = false;
return $content;
}
/**
* Get individual tab data from wikitext.
*
* @param string $tab tab wikitext
* @param int $count Current Tabber count
* @param Parser $parser Mediawiki Parser Object
* @param PPFrame $frame Mediawiki PPFrame Object
*
* @return array<string, string>
*/
private static function getTabData( string $tab, int $count, Parser $parser, PPFrame $frame ): array {
$data = [];
if ( empty( trim( $tab ) ) ) {
return $data;
}
// Use array_pad to make sure at least 2 array values are always returned
[ $label, $content ] = array_pad( explode( '=', $tab, 2 ), 2, '' );
$data['label'] = self::getTabLabel( $label, $parser );
// Label is empty, we cannot generate tabber
if ( $data['label'] === '' ) {
return $data;
}
$data['content'] = self::getTabContent( $content, $parser, $frame );
$id = Sanitizer::escapeIdForAttribute( htmlspecialchars( $data['label'] ) ) . '-' . $count;
$data['id'] = $id;
return $data;
}
/**
* Get the HTML for a tab.
*
* @param array $tabData Tab data
*
* @return string HTML
*/
private static function getTabHTML( array $tabData ): string {
$tabpanelId = "tabber-tabpanel-{$tabData['id']}";
return Html::rawElement( 'a', [
'class' => 'tabber__tab',
'id' => "tabber-tab-{$tabData['id']}",
'href' => "#$tabpanelId",
'role' => 'tab',
'aria-controls' => $tabpanelId
], $tabData['label'] );
}
/**
* Get the HTML for a tabpanel.
*
* @param array $tabData Tab data
*
* @return string HTML
*/
private static function getTabpanelHTML( array $tabData ): string {
$content = $tabData['content'];
$isContentHTML = strpos( $content, '<' ) === 0;
if ( $content && !$isContentHTML ) {
// If $content does not have any HTML element (i.e. just a text node), wrap it in <p/>
$content = Html::rawElement( 'p', [], $content );
}
return Html::rawElement( 'article', [
'class' => 'tabber__panel',
'id' => "tabber-tabpanel-{$tabData['id']}",
'role' => 'tabpanel',
'tabindex' => 0,
'aria-labelledby' => "tabber-tab-{$tabData['id']}"
], $content );
}
/**
* Get JSON representation of a nested tab for Codex
*
* @param array $tabData Tab data
*
* @return string HTML
* @throws JsonException
*/
private static function getCodexNestedTabJSON( array $tabData ): string {
// A nested tabber which should return json in codex
return json_encode( [
'label' => $tabData['label'],
'content' => $tabData['content']
],
JSON_THROW_ON_ERROR
);
}
}