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<?php
use MediaWiki\Widget\UsersMultiselectWidget;
/**
* Implements a capsule multiselect input field for user names.
*
* Besides the parameters recognized by HTMLUserTextField, additional recognized
* parameters are:
* default - (optional) Array of usernames to use as preset data
* placeholder - (optional) Custom placeholder message for input
*
* The result is the array of usernames
*
* @note This widget is not likely to remain functional in non-OOUI forms.
*/
class HTMLUsersMultiselectField extends HTMLUserTextField {
public function loadDataFromRequest( $request ) {
$value = $request->getText( $this->mName, $this->getDefault() );
$usersArray = explode( "\n", $value );
// Remove empty lines
$usersArray = array_values( array_filter( $usersArray, function ( $username ) {
return trim( $username ) !== '';
} ) );
// This function is expected to return a string
return implode( "\n", $usersArray );
}
public function validate( $value, $alldata ) {
if ( !$this->mParams['exists'] ) {
return true;
}
if ( is_null( $value ) ) {
return false;
}
// $value is a string, because HTMLForm fields store their values as strings
$usersArray = explode( "\n", $value );
foreach ( $usersArray as $username ) {
$result = parent::validate( $username, $alldata );
if ( $result !== true ) {
return $result;
}
}
return true;
}
public function getInputHTML( $value ) {
$this->mParent->getOutput()->enableOOUI();
return $this->getInputOOUI( $value );
}
public function getInputOOUI( $value ) {
$params = [ 'name' => $this->mName ];
if ( isset( $this->mParams['id'] ) ) {
$params['id'] = $this->mParams['id'];
}
if ( isset( $this->mParams['disabled'] ) ) {
$params['disabled'] = $this->mParams['disabled'];
}
if ( isset( $this->mParams['default'] ) ) {
$params['default'] = $this->mParams['default'];
}
if ( isset( $this->mParams['placeholder'] ) ) {
$params['placeholder'] = $this->mParams['placeholder'];
} else {
$params['placeholder'] = $this->msg( 'mw-widgets-usersmultiselect-placeholder' )->plain();
}
if ( !is_null( $value ) ) {
// $value is a string, but the widget expects an array
$params['default'] = $value === '' ? [] : explode( "\n", $value );
}
// Make the field auto-infusable when it's used inside a legacy HTMLForm rather than OOUIHTMLForm
$params['infusable'] = true;
$params['classes'] = [ 'mw-htmlform-field-autoinfuse' ];
$widget = new UsersMultiselectWidget( $params );
$widget->setAttributes( [ 'data-mw-modules' => implode( ',', $this->getOOUIModules() ) ] );
return $widget;
}
protected function shouldInfuseOOUI() {
return true;
}
protected function getOOUIModules() {
return [ 'mediawiki.widgets.UsersMultiselectWidget' ];
}
}
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