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<?php
namespace MediaWiki\HTMLForm\Field;
use MediaWiki\Html\Html;
use MediaWiki\HTMLForm\HTMLFormField;
use OOUI\Widget;
/**
* File <input> field.
*
* Besides the parameters recognized by HTMLFormField, the following are
* recognized:
* placeholder/placeholder-message - HTML placeholder attribute
* accept - Array of acceptable MIME types/extensions to show in file chooser,
* null to accept all files.
* multiple - Allow multiple files to be selected
*
* @stable to extend
*/
class HTMLFileField extends HTMLFormField {
/** @var string */
protected $mPlaceholder = '';
/** @var string[]|null */
protected $mAccept = null;
/** @var bool */
protected $mMultiple;
/**
* @stable to call
*
* @param array $params
* - placeholder/placeholder-message
* - accept
* - multiple
*/
public function __construct( $params ) {
if ( isset( $params['autocomplete'] ) && is_bool( $params['autocomplete'] ) ) {
$params['autocomplete'] = $params['autocomplete'] ? 'on' : 'off';
}
parent::__construct( $params );
if ( isset( $params['placeholder-message'] ) ) {
$this->mPlaceholder = $this->getMessage( $params['placeholder-message'] )->text();
} elseif ( isset( $params['placeholder'] ) ) {
$this->mPlaceholder = $params['placeholder'];
}
$this->mAccept = $params['accept'] ?? null;
$this->mMultiple = !empty( $params['multiple'] );
}
/**
* @inheritDoc
*/
public function loadDataFromRequest( $request ) {
return $request->getUpload( $this->mName )->getName();
}
/**
* @inheritDoc
* @stable to override
*/
public function getInputHTML( $value ) {
$attribs = [
'id' => $this->mID,
'name' => $this->mName,
'dir' => $this->mDir,
] + $this->getTooltipAndAccessKey();
if ( $this->mClass !== '' ) {
$attribs['class'] = $this->mClass;
}
if ( $this->mAccept ) {
$attribs['accept'] = implode( ',', $this->mAccept );
}
if ( $this->mMultiple ) {
$attribs['multiple'] = '';
}
// Note: Placeholders are not supported by native file inputs
$allowedParams = [
'title',
'tabindex',
'disabled',
'required',
'autofocus',
'readonly',
];
$attribs += $this->getAttributes( $allowedParams );
return Html::input( $this->mName, $value ?? '', 'file', $attribs );
}
/**
* @inheritDoc
* @stable to override
*/
public function getInputOOUI( $value ) {
$attribs = $this->getTooltipAndAccessKeyOOUI();
if ( $this->mClass !== '' ) {
$attribs['classes'] = [ $this->mClass ];
}
if ( $this->mPlaceholder !== '' ) {
$attribs['placeholder'] = $this->mPlaceholder;
}
if ( $this->mAccept ) {
$attribs['accept'] = $this->mAccept;
}
if ( $this->mMultiple ) {
$attribs['multiple'] = true;
}
# @todo Enforce pattern, step, required, readonly on the server side as
# well
$allowedParams = [
'title',
'tabindex',
'disabled',
'required',
'autofocus',
'readonly',
];
$attribs += \OOUI\Element::configFromHtmlAttributes(
$this->getAttributes( $allowedParams )
);
return $this->getInputWidget( [
'id' => $this->mID,
'name' => $this->mName,
'dir' => $this->mDir,
] + $attribs );
}
/**
* @stable to override
*
* @param array $params
*
* @return Widget
*/
protected function getInputWidget( $params ) {
return new \OOUI\SelectFileInputWidget( $params );
}
/**
* @inheritDoc
* @stable to override
*/
protected function shouldInfuseOOUI() {
return true;
}
}
/** @deprecated class alias since 1.42 */
class_alias( HTMLFileField::class, 'HTMLFileField' );
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