CodexHTMLForm.php

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<?php
 
use MediaWiki\Html\Html;
 
class CodexHTMLForm extends HTMLForm {
 
    protected $displayFormat = 'codex';
 
    public static function loadInputFromParameters( $fieldname, $descriptor,
        HTMLForm $parent = null
    ) {
        $field = parent::loadInputFromParameters( $fieldname, $descriptor, $parent );
        $field->setShowEmptyLabel( false );
        return $field;
    }
 
    public function getHTML( $submitResult ) {
        $this->getOutput()->addModuleStyles( [
            'codex-styles',
        ] );
 
        return parent::getHTML( $submitResult );
    }
 
    protected function formatField( HTMLFormField $field, $value ) {
        // The "cdx-..." classes are added magically in the Html class. :(
        return $field->getVForm( $value );
    }
 
    protected function getFormAttributes() {
        $attribs = parent::getFormAttributes();
        $attribs['class'] = [ 'mw-htmlform', 'mw-htmlform-codex' ];
        return $attribs;
    }
 
    public function wrapForm( $html ) {
        return Html::rawElement( 'form', $this->getFormAttributes(), $html );
    }
}