TextboxBuilder.php

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<?php
namespace MediaWiki\EditPage;
 
use MediaWiki\MediaWikiServices;
use MediaWiki\Page\PageIdentity;
use MediaWiki\Parser\Sanitizer;
use MediaWiki\Title\Title;
use MediaWiki\User\UserIdentity;
 
class TextboxBuilder {
 
    public function addNewLineAtEnd( $wikitext ) {
        if ( strval( $wikitext ) !== '' ) {
            // Ensure there's a newline at the end, otherwise adding lines
            // is awkward.
            // But don't add a newline if the text is empty, or Firefox in XHTML
            // mode will show an extra newline. A bit annoying.
            return $wikitext . "\n";
        }
        return $wikitext;
    }
 
    public function mergeClassesIntoAttributes( array $classes, array $attribs ) {
        if ( $classes === [] ) {
            return $attribs;
        }
 
        return Sanitizer::mergeAttributes(
            $attribs,
            [ 'class' => implode( ' ', $classes ) ]
        );
    }
 
    public function getTextboxProtectionCSSClasses( PageIdentity $page ) {
        $classes = []; // Textarea CSS
        $services = MediaWikiServices::getInstance();
        if ( $services->getRestrictionStore()->isProtected( $page, 'edit' ) &&
            $services->getPermissionManager()
                ->getNamespaceRestrictionLevels( $page->getNamespace() ) !== [ '' ]
        ) {
            # Is the title semi-protected?
            if ( $services->getRestrictionStore()->isSemiProtected( $page ) ) {
                $classes[] = 'mw-textarea-sprotected';
            } else {
                # Then it must be protected based on static groups (regular)
                $classes[] = 'mw-textarea-protected';
            }
            # Is the title cascade-protected?
            if ( $services->getRestrictionStore()->isCascadeProtected( $page ) ) {
                $classes[] = 'mw-textarea-cprotected';
            }
        }
 
        return $classes;
    }
 
    public function buildTextboxAttribs(
        $name, array $customAttribs, UserIdentity $user, PageIdentity $page
    ) {
        $attribs = $customAttribs + [
            'accesskey' => ',',
            'id' => $name,
            'cols' => 80,
            'rows' => 25,
            // Avoid PHP notices when appending preferences
            // (appending allows customAttribs['style'] to still work).
            'style' => ''
        ];
 
        // The following classes can be used here:
        // * mw-editfont-monospace
        // * mw-editfont-sans-serif
        // * mw-editfont-serif
        $userOptionsLookup = MediaWikiServices::getInstance()->getUserOptionsLookup();
        $class = 'mw-editfont-' . $userOptionsLookup->getOption( $user, 'editfont' );
 
        if ( isset( $attribs['class'] ) ) {
            if ( is_string( $attribs['class'] ) ) {
                $attribs['class'] .= ' ' . $class;
            } elseif ( is_array( $attribs['class'] ) ) {
                $attribs['class'][] = $class;
            }
        } else {
            $attribs['class'] = $class;
        }
 
        $title = Title::newFromPageIdentity( $page );
        $pageLang = $title->getPageLanguage();
        $attribs['lang'] = $pageLang->getHtmlCode();
        $attribs['dir'] = $pageLang->getDir();
 
        return $attribs;
    }
 
}