SpinnerWidget.php
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SpinnerWidget.php
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	<?php

	namespace MediaWiki\Widget;

	use Exception;
	use MediaWiki\Html\Html;
	use Stringable;

	/**
	* PHP version of jquery.spinner.
	*
	* If used with jquery.spinner.styles, can be used to show a
	* spinner before JavaScript has loaded.
	*
	* @copyright 2011-2020 MediaWiki Widgets Team and others; see AUTHORS.txt
	* @license MIT
	*/
	class SpinnerWidget implements Stringable {

	/** @var array */
	private $attributes;
	/** @var string */
	private $content;

	/**
	* @param array $config Configuration options
	*/
	public function __construct( array $config = [] ) {
	$size = $config['size'] ?? 'small';
	$type = $config['type'] ?? 'inline';

	$this->attributes = [];

	if ( isset( $config['id'] ) ) {
	$this->attributes['id'] = $config['id'];
	}

	// Initialization
	$this->attributes['class'] = [
	'mw-spinner',
	$size === 'small' ? 'mw-spinner-small' : 'mw-spinner-large',
	$type === 'inline' ? 'mw-spinner-inline' : 'mw-spinner-block',
	];

	$this->content =
	'<div class="mw-spinner-container">' .
	str_repeat( '<div></div>', 12 ) .
	'</div>';
	}

	/**
	* Render element into HTML.
	* @return string HTML serialization
	*/
	public function toString() {
	return Html::rawElement( 'div', $this->attributes, $this->content );
	}

	/**
	* Magic method implementation.
	*
	* Copied from OOUI\Tag
	*
	* @return string
	*/
	public function __toString() {
	try {
	return $this->toString();
	} catch ( Exception $ex ) {
	trigger_error( (string)$ex, E_USER_ERROR );
	}
	}
	}