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Scala example source code file (ButtonGroup.scala)
The Scala ButtonGroup.scala source code/* __ *\ ** ________ ___ / / ___ Scala API ** ** / __/ __// _ | / / / _ | (c) 2007-2011, LAMP/EPFL ** ** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ ** ** /____/\___/_/ |_/____/_/ | | ** ** |/ ** \* */ package scala.swing import event._ import javax.swing.{AbstractButton => JAbstractButton,Icon} import scala.collection._ import scala.collection.mutable.Buffer /** * A button mutex. At most one of its associated buttons is selected * at a time. * * @see javax.swing.ButtonGroup */ class ButtonGroup(initialButtons: AbstractButton*) { val peer: javax.swing.ButtonGroup = new javax.swing.ButtonGroup val buttons: mutable.Set[AbstractButton] = new mutable.Set[AbstractButton] { def -=(b: AbstractButton): this.type = { peer.remove(b.peer); this } def +=(b: AbstractButton): this.type = { peer.add(b.peer); this } def contains(b: AbstractButton) = this.iterator.contains(b) override def size = peer.getButtonCount def iterator: Iterator[AbstractButton] = new Iterator[AbstractButton] { val enum = peer.getElements def next = UIElement.cachedWrapper[AbstractButton](enum.nextElement) def hasNext = enum.hasMoreElements } } buttons ++= initialButtons //1.6: def deselectAll() { peer.clearSelection } def selected: Option[AbstractButton] = buttons.find(_.selected) def select(b: AbstractButton) { peer.setSelected(b.peer.getModel, true) } } Other Scala examples (source code examples)Here is a short list of links related to this Scala ButtonGroup.scala source code file: |
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