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<?php
namespace MediaWiki\Widget;
use OOUI\MultilineTextInputWidget;
use OOUI\Tag;
use OOUI\Widget;
/**
* Base class for widgets to select multiple users, titles,
* namespaces, etc.
*
* @copyright 2017 MediaWiki Widgets Team and others; see AUTHORS.txt
* @license MIT
*/
class TagMultiselectWidget extends Widget {
/** @var array */
protected $selectedArray;
/** @var string|null */
protected $inputName;
/** @var string|null */
protected $inputPlaceholder;
/** @var array */
protected $input;
/** @var int|null */
protected $tagLimit;
/** @var bool */
protected $allowArbitrary;
/** @var bool */
protected $allowReordering;
/** @var string[]|null */
protected $allowedValues;
/**
* @param array $config Configuration options
* - array $config['default'] Array of items to use as preset data
* - string $config['name'] Name attribute (used in forms)
* - string $config['placeholder'] Placeholder message for input
* - array $config['input'] Config options for the input widget
* - int $config['tagLimit'] Maximum number of selected items
* - bool $config['allowArbitrary'] Allow data items not present in the menu.
* - bool $config['allowReordering'] Allow reordering of the items
* - array $config['allowedValues'] Allowed items
*/
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 );
$this->addClasses( [ 'mw-widgets-tagMultiselectWidget' ] );
}
/** @inheritDoc */
public function getConfig( &$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 );
}
/**
* Provide the implementation for clients with JavaScript disabled.
*
* @stable to override
* @since 1.44
* @return Widget[]
*/
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 ];
}
/** @inheritDoc */
protected function getJavaScriptClassName() {
return 'mw.widgets.TagMultiselectWidget';
}
}