Created
May 26, 2012 01:13
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play framework 2.0 , so that you can use "money" format in your Forms
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package helpers | |
import play.api.data._ | |
import play.api.data.format._ | |
import java.math.BigDecimal | |
import play.api.data.format.Formats._ | |
import play.api.data.Forms._ | |
class BigDecimalWrapper(val value: String) { | |
def toBigDecimal = new java.math.BigDecimal(value) | |
} | |
object CustomFormats | |
{ | |
implicit def moneyFormat: Formatter[Double] = new Formatter[Double] { | |
override val format = Some("format.real", Nil) | |
def bind(key: String, data: Map[String, String]) = | |
parsing(_.toDouble, "error.real", Nil)(key, data) | |
def unbind(key: String, value: Double) = Map(key -> value.toString) | |
} | |
private def parsing[T](parse: String => T, errMsg: String, errArgs: Seq[Any])(key: String, data: Map[String, String]): Either[Seq[FormError], T] = { | |
stringFormat.bind(key, data).right.flatMap { s => | |
util.control.Exception.allCatch[T] | |
.either(parse(s)) | |
.left.map(e => Seq(FormError(key, errMsg, errArgs))) | |
} | |
} | |
implicit def wrapBigDecimal(i:String) = new BigDecimalWrapper(i) | |
implicit def bigdecimalFormat: Formatter[BigDecimal] = new Formatter[BigDecimal] { | |
override val format = Some("format.bigdecimal", Nil) | |
def bind(key: String, data: Map[String, String]) = | |
parsing(_.toBigDecimal, "error.real", Nil)(key, data) | |
def unbind(key: String, value: BigDecimal) = Map(key -> value.toString) | |
} | |
implicit val money: Mapping[BigDecimal] = of[BigDecimal] | |
implicit val double: Mapping[Double] = of[Double] | |
} |
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