TagMultiselectWidget.php

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<?php
 
namespace MediaWiki\Widget;
 
use OOUI\MultilineTextInputWidget;
use OOUI\Tag;
use OOUI\Widget;
 
class TagMultiselectWidget extends Widget {
    protected $selectedArray;
    protected $inputName;
    protected $inputPlaceholder;
    protected $input;
    protected $tagLimit;
    protected $allowArbitrary;
    protected $allowReordering;
    protected $allowedValues;
 
    public function __construct( array $config = [] ) {
        parent::__construct( $config );
 
        // Properties
        $this->selectedArray = $config['default'] ?? [];
        $this->inputName = $config['name'] ?? null;
        $this->inputPlaceholder = $config['placeholder'] ?? null;
        $this->input = $config['input'] ?? [];
        $this->tagLimit = $config['tagLimit'] ?? null;
        $this->allowArbitrary = $config['allowArbitrary'] ?? false;
        $this->allowReordering = $config['allowReordering'] ?? true;
        $this->allowedValues = $config['allowedValues'] ?? null;
 
        $noJsFallback = ( new Tag( 'div' ) )
            ->addClasses( [ 'mw-widgets-tagMultiselectWidget-nojs' ] )
            ->appendContent( $this->getNoJavaScriptFallback() );
 
        $pending = new PendingTextInputWidget();
 
        $this->appendContent( $noJsFallback, $pending );
        $this->addClasses( [ 'mw-widgets-tagMultiselectWidget' ] );
    }
 
    public function getConfig( &$config ) {
        if ( $this->selectedArray !== null ) {
            $config['selected'] = $this->selectedArray;
        }
        if ( $this->inputName !== null ) {
            $config['name'] = $this->inputName;
        }
        if ( $this->inputPlaceholder !== null ) {
            $config['placeholder'] = $this->inputPlaceholder;
        }
        if ( $this->input !== null ) {
            $config['input'] = $this->input;
        }
        if ( $this->tagLimit !== null ) {
            $config['tagLimit'] = $this->tagLimit;
        }
        if ( $this->allowArbitrary !== null ) {
            $config['allowArbitrary'] = $this->allowArbitrary;
        }
        if ( $this->allowReordering !== null ) {
            $config['allowReordering'] = $this->allowReordering;
        }
        if ( $this->allowedValues !== null ) {
            $config['allowedValues'] = $this->allowedValues;
        }
 
        $config['$overlay'] = true;
        return parent::getConfig( $config );
    }
 
    protected function getNoJavaScriptFallback() {
        $widget = new MultilineTextInputWidget( array_merge( [
            'name' => $this->inputName,
            'value' => implode( "\n", $this->selectedArray ),
            'rows' => min( $this->tagLimit, 10 ) ?? 10,
        ], $this->input ) );
 
        return [ $widget ];
    }
 
    protected function getJavaScriptClassName() {
        return 'mw.widgets.TagMultiselectWidget';
    }
}