SelectWithInputWidget.php

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<?php

namespace MediaWiki\Widget;

use OOUI\DropdownInputWidget;
use OOUI\TextInputWidget;

class SelectWithInputWidget extends \OOUI\Widget {
    protected $config;
    protected $textinput;
    protected $dropdowninput;

    public function __construct( array $config = [] ) {
        // Configuration initialization
        $config = array_merge(
            [
                'textinput' => [],
                'dropdowninput' => [],
                'or' => false,
                'required' => false,
            ],
            $config
        );

        if ( isset( $config['disabled'] ) && $config['disabled'] ) {
            $config['textinput']['disabled'] = true;
            $config['dropdowninput']['disabled'] = true;
        }

        $config['textinput']['required'] = $config['or'] ? false : $config['required'];
        $config['dropdowninput']['required'] = $config['required'];

        parent::__construct( $config );

        // Properties
        $this->config = $config;
        $this->textinput = new TextInputWidget( $config['textinput'] );
        $this->dropdowninput = new DropdownInputWidget( $config['dropdowninput'] );

        // Initialization
        $this
            ->addClasses( [ 'mw-widget-selectWithInputWidget' ] )
            ->appendContent( $this->dropdowninput, $this->textinput );
    }

    protected function getJavaScriptClassName() {
        return 'mw.widgets.SelectWithInputWidget';
    }

    public function getConfig( &$config ) {
        $config['textinput'] = $this->config['textinput'];
        $config['dropdowninput'] = $this->config['dropdowninput'];
        $config['dropdowninput']['dropdown']['$overlay'] = true;
        $config['or'] = $this->config['or'];
        $config['required'] = $this->config['required'];
        return parent::getConfig( $config );
    }
}