/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2007-2010, LAMP/EPFL             **
**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
\*                                                                      */



package scala.swing
package event

trait ListEvent[A] extends ComponentEvent {
  override val source: ListView[A]
}

//case class ElementSelected[A](override val source: ListView[A], range: Range, live: Boolean) 
//           extends ListEvent[A] with AdjustingEvent with ListSelectionEvent

abstract class ListChange[A](override val source: ListView[A]) extends ListEvent[A]

object ListChanged {
  def unapply[A](e: ListChanged[A]) = Some(e.source)
  def apply[A](source: ListView[A]) = new ListChanged(source)
}

class ListChanged[A](override val source: ListView[A]) extends ListChange(source) 
         
object ListElementsAdded {
  def unapply[A](e: ListElementsAdded[A]) = Some(e.source, e.range)
  def apply[A](source: ListView[A], range: Range) = new ListElementsAdded(source, range)
}
         
class ListElementsAdded[A](override val source: ListView[A], val range: Range) 
           extends ListChange(source)
           
object ListElementsRemoved {
  def unapply[A](e: ListElementsRemoved[A]) = Some(e.source, e.range)
  def apply[A](source: ListView[A], range: Range) = new ListElementsRemoved(source, range)
}
class ListElementsRemoved[A](override val source: ListView[A], val range: Range) 
           extends ListChange(source) 
