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<?php
namespace ParamProcessor\Definition;
use Exception;
use ParamProcessor\ParamDefinition;
use ParamProcessor\IParam;
use ParamProcessor\IParamDefinition;
/**
* Defines the dimension parameter type.
* This parameter describes the size of a dimension (ie width) in some unit (ie px) or a percentage.
* Specifies the type specific validation and formatting logic.
*
* TODO: this class is silly, should be handled by a dedicated formatting object/function.
*
* @since 1.0
*
* @licence GNU GPL v2+
* @author Jeroen De Dauw < jeroendedauw@gmail.com >
*/
class DimensionParam extends ParamDefinition {
/**
* Formats the parameter value to it's final result.
* @see ParamDefinition::formatValue
*
* @since 1.0
*
* @param mixed $value
* @param IParam $param
* @param IParamDefinition[] $definitions
* @param IParam[] $params
*
* @return mixed
* @throws Exception
*/
protected function formatValue( $value, IParam $param, array &$definitions, array $params ) {
if ( $value === 'auto' ) {
return $value;
}
/**
* @var \ValueValidators\DimensionValidator $validator
*/
$validator = $this->getValueValidator();
if ( get_class( $validator ) === 'ValueValidators\DimensionValidator' ) {
foreach ( $validator->getAllowedUnits() as $unit ) {
if ( $unit !== '' && strpos( $value, $unit ) !== false ) {
return $value;
}
}
return $value . $validator->getDefaultUnit();
}
else {
throw new Exception(
'ValueValidator of a DimensionParam should be a ValueValidators\DimensionValidator and not a '
. get_class( $validator )
);
}
}
}
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