Scala example source code file (SwingApp.scala)

This example Scala source code file (SwingApp.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

button, buttonclicked, flowpanel, flowpanel, i, label, mainframe, mainframe, number, number, simpleswingapplication, swingapp, swingapp

The Scala SwingApp.scala source code

package scala.swing
package test

import swing._
import swing.event._

object SwingApp extends SimpleSwingApplication {
  def top = new MainFrame {
    title = "SwingApp"
    var numclicks = 0
    object label extends Label {
      val prefix = "Number of button clicks: "
      text = prefix + "0  " 
      listenTo(button)
      reactions += {
        case ButtonClicked(button) =>
          numclicks = numclicks + 1
          text = prefix + numclicks
      }
    }
    object button extends Button {
      text = "I am a button"
    }
    contents = new FlowPanel {
      contents.append(button, label)
      border = Swing.EmptyBorder(5, 5, 5, 5)
    }
  }
}