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• 1.6.11
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• DerivedProperty.scala

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org.powerscala.property.DerivedProperty.scala Maven / Gradle / Ivy

package org.powerscala.property

/**
 * DerivedProperty allows a property to be created that relies on and even defines the contents of another property.
 *
 * @author Matt Hicks 
 */
trait DerivedProperty[T, O] extends Property[T] {
  change.on {
    case evt => other := fromT(evt.newValue)
  }
  other.change.on {
    case evt => value = fromO(evt.newValue)
  }

  def other: Property[O]
  def fromT(value: T): O
  def fromO(value: O): T
}