HTMLUsersMultiselectField.php

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<?php
 
use MediaWiki\Widget\UsersMultiselectWidget;
 
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 ( $value === null ) {
            return false;
        }
 
        // $value is a string, because HTMLForm fields store their values as strings
        $usersArray = explode( "\n", $value );
 
        if ( isset( $this->mParams['max'] ) && ( count( $usersArray ) > $this->mParams['max'] ) ) {
            return $this->msg( 'htmlform-multiselect-toomany', $this->mParams['max'] );
        }
 
        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 ( isset( $this->mParams['max'] ) ) {
            $params['tagLimit'] = $this->mParams['max'];
        }
 
        if ( isset( $this->mParams['ipallowed'] ) ) {
            $params['ipAllowed'] = $this->mParams['ipallowed'];
        }
 
        if ( isset( $this->mParams['iprange'] ) ) {
            $params['ipRangeAllowed'] = $this->mParams['iprange'];
        }
 
        if ( isset( $this->mParams['iprangelimits'] ) ) {
            $params['ipRangeLimits'] = $this->mParams['iprangelimits'];
        }
 
        if ( isset( $this->mParams['input'] ) ) {
            $params['input'] = $this->mParams['input'];
        }
 
        if ( $value !== null ) {
            // $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' ];
    }
 
}