CodeEditorHooks.php

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<?php
 
class CodeEditorHooks {
    public static function getPageLanguage( Title $title, $model, $format ) {
        global $wgCodeEditorEnableCore;
 
        if ( $wgCodeEditorEnableCore ) {
            if ( $model === CONTENT_MODEL_JAVASCRIPT ) {
                return 'javascript';
            } elseif ( $model === CONTENT_MODEL_CSS ) {
                return 'css';
            } elseif ( $model === CONTENT_MODEL_JSON ) {
                return 'json';
            }
        }
 
        // Give extensions a chance
        // Note: $model and $format were added around the time of MediaWiki 1.28.
        $lang = null;
        Hooks::run( 'CodeEditorGetPageLanguage', [ $title, &$lang, $model, $format ] );
 
        return $lang;
    }
 
    public static function getPreferences( $user, &$defaultPreferences ) {
        $defaultPreferences['usecodeeditor'] = [
            'type' => 'api',
            'default' => '1',
        ];
        return true;
    }
 
    public static function editPageShowEditFormInitial( $editpage, $output ) {
        $title = $editpage->getContextTitle();
        $model = $editpage->contentModel;
        $format = $editpage->contentFormat;
 
        $lang = self::getPageLanguage( $title, $model, $format );
        if ( $lang && $output->getUser()->getOption( 'usebetatoolbar' ) ) {
            $output->addModules( 'ext.codeEditor' );
            $output->addJsConfigVars( 'wgCodeEditorCurrentLanguage', $lang );
        } elseif ( !ExtensionRegistry::getInstance()->isLoaded( "WikiEditor" ) ) {
            throw new ErrorPageError( "codeeditor-error-title", "codeeditor-error-message" );
        }
        return true;
    }
}