wikimedia/mediawiki-core

<?php

namespace MediaWiki\HTMLForm\Field;

/**
 * A field that will contain a numeric value
 *
 * @stable to extend
 */
class HTMLFloatField extends HTMLTextField {
    public function getSize() {
        return $this->mParams['size'] ?? 20;
    }

    public function validate( $value, $alldata ) {
        $p = parent::validate( $value, $alldata );

        if ( $p !== true ) {
            return $p;
        }

        $value = trim( $value ?? '' );

        # https://www.w3.org/TR/html5/infrastructure.html#floating-point-numbers
        # with the addition that a leading '+' sign is ok.
        if ( !preg_match( '/^((\+|\-)?\d+(\.\d+)?(E(\+|\-)?\d+)?)?$/i', $value ) ) {
            return $this->msg( 'htmlform-float-invalid' );
        }

        # The "int" part of these message names is rather confusing.
        # They make equal sense for all numbers.
        if ( isset( $this->mParams['min'] ) ) {
            $min = $this->mParams['min'];

            if ( $min > $value ) {
                return $this->msg( 'htmlform-int-toolow', $min );
            }
        }

        if ( isset( $this->mParams['max'] ) ) {
            $max = $this->mParams['max'];

            if ( $max < $value ) {
                return $this->msg( 'htmlform-int-toohigh', $max );
            }
        }

        return true;
    }

    /**
     * @inheritDoc
     * @stable to override
     */
    protected function getInputWidget( $params ) {
        return new \OOUI\NumberInputWidget( $params );
    }
}

/** @deprecated class alias since 1.42 */
class_alias( HTMLFloatField::class, 'HTMLFloatField' );