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<?php
/**
* 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 );
}
}
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