JavaFX et typage

Launcher.scala

package fr.geocite.myprojet

import javafx.event.ActionEvent
import javafx.event.EventHandler
import javafx.scene.{control, Group, Scene}
import javafx.scene.control._
import javafx.scene.effect.Lighting
import javafx.scene.paint.Color
import javafx.scene.text.Text
import javafx.stage.Stage
import javafx.application.Application
import javafx.scene.shape.Rectangle
import javafx.collections.FXCollections
import util.Random
import javafx.scene.chart.{XYChart, NumberAxis, LineChart}
import javafx.fxml.{FXMLLoader, FXML}
import java.io.FileReader
import au.com.bytecode.opencsv.CSVReader
import ch.epfl.lamp.compiler.msil.emit
import javafx.scene.input.MouseEvent
import com.sun.deploy.config.Config

/**
 * Created with IntelliJ IDEA.
 * User: robin
 * Date: 08/01/13
 * Time: 10:31
 * To change this template use File | Settings | File Templates.
 */

class Launcher extends Application{

  def start(primaryStage:Stage ) {
    val root : Group = new Group()

    val scene_run : Scene = new Scene(root,1024,800,Color.WHITESMOKE)

    primaryStage.setScene(scene_run)
    primaryStage.setTitle("Fenetre Principale")
    /*
    primaryStage.setMaxHeight(400)
    primaryStage.setMaxWidth(800)
    primaryStage.setMinHeight(400)
    primaryStage.setMinWidth(800)
    */

    // LINECHART SETTINGS
    val xAxis = new NumberAxis()
    xAxis.setLabel("Temps")
    xAxis.setForceZeroInRange(false)

    val yAxis = new NumberAxis()
    yAxis.setLabel("Population")
    yAxis.setForceZeroInRange(false)

    val linechart:LineChart[Number,Number] = new LineChart(xAxis, yAxis)
    linechart.setTitle("Évolution des villes")
    linechart.setLayoutX(0)
    linechart.setLayoutY(0)
    linechart.setPrefWidth(1000)
    linechart.setPrefHeight(750)
    linechart.setAnimated(false)

    def displayData(NumCities:Int = 5 ){
      linechart.getData().retainAll()
      // DATA ADD
      val reader = new CSVReader(new FileReader("/home/robin/AUpop1954-2006_base.csv"))
      val headers = reader.readNext().toList

      for(lines <- 0 to (NumCities - 1)){

        val currentCity = reader.readNext().toList
        val currentName = currentCity(1)

        val currentCitySerie:XYChart.Series[Number,Number] = new XYChart.Series()
        currentCitySerie.setName(currentName)

        for (i <- 3 to 9){
          val tps = headers(i).toInt
          val pop = currentCity(i).toInt
          val currentCityPops:XYChart.Data[Number,Number] = new XYChart.Data(tps,pop)
          currentCitySerie.getData().add(currentCityPops)
        }

        // DATA TO LINECHART
        linechart.getData().add(currentCitySerie)
      }
    }
    displayData()

    // BOUTON QUITTER

    val button_Quit : Button = new Button("Quitter")
    button_Quit.getAlignment
    button_Quit.setLayoutX(930)
    button_Quit.setLayoutY(770)
    button_Quit.setStyle("-fx-font-size: 18;")
    button_Quit.setDefaultButton(true)


    button_Quit.setOnAction(new EventHandler[ActionEvent]() {
      override def handle(t:ActionEvent) {
        primaryStage.close()
      }
    })

    val label_sliderValue = new Label(5.toString())
    label_sliderValue.setLayoutX(150)
    label_sliderValue.setLayoutY(760)

    val slider_numVilles : Slider = new Slider()
    slider_numVilles.setLayoutX(0)
    slider_numVilles.setLayoutY(760)
    slider_numVilles.setMin(1)
    slider_numVilles.setMax(50)
    slider_numVilles.setValue(5)
    slider_numVilles.setMajorTickUnit(10)
    slider_numVilles.setMinorTickCount(5)
    slider_numVilles.setShowTickLabels(true)
    slider_numVilles.setSnapToTicks(true)
    slider_numVilles.setOnMouseClicked(new EventHandler[MouseEvent] {
      override def handle(p1: MouseEvent) {
        label_sliderValue.setText(slider_numVilles.getValue().ceil.toString())
        val s = System.currentTimeMillis()
        displayData(slider_numVilles.getValue().ceil.toInt)
        println(System.currentTimeMillis() - s)
      }
    })





    val label_slider = new Label("Nombre de villes à afficher")
    label_slider.setLayoutX(0)
    label_slider.setLayoutY(745)



    root.getChildren().addAll(button_Quit, linechart, slider_numVilles, label_slider, label_sliderValue)

    primaryStage.show()
  }
}




object Launcher extends App {
  override def main(args: Array[String]) {
    Application.launch(classOf[Launcher], args: _*)
  }
}