ScalaでJavaFXのWebViewを使うプログラム

webview-scala-sample2.fxml

<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.scene.layout.*?>
<?import javafx.scene.web.*?>

<BorderPane xmlns:fx="http://javafx.com/fxml" fx:controller="example.webview.WebViewScalaController2" >
  <center>
    <WebView fx:id="web" />
  </center>
</BorderPane>

WebViewScalaSample2.scala

package example.webview

import javafx.application.Application
import javafx.event.EventHandler
import javafx.fxml.FXML
import javafx.fxml.FXMLLoader
import javafx.fxml.Initializable
import javafx.scene.Scene
import javafx.scene.Parent
import javafx.scene.layout.StackPane
import javafx.scene.web.WebView
import javafx.scene.web.WebEvent
import javafx.stage.Stage

import java.net.URL
import java.util.ListResourceBundle
import java.util.ResourceBundle

// https://github.com/halcat0x15a/onedit/blob/master/client/src/main/scala/onedit/client/Application.scala
class WebViewScalaSample2 extends Application {

  override def start(stage: Stage): Unit = {
    println("start start")
    println(System.getProperty("javafx.version"));

    stage.setTitle("sample2")
    val root: Parent = FXMLLoader.load(getClass.getResource("webview-scala-sample2.fxml"), Resource("http://google.co.jp"))
    //println(root)
    //stage.setScene(new Scene(root, 800, 600))
    stage.setScene(new Scene(root))
    stage.show()

    println("start end")
  }

  override def stop() {
    println("stop")
  }
}

object WebViewScalaSample2 {
  def main(args: Array[String]): Unit = {
    Application.launch(classOf[WebViewScalaSample2], args: _*)
  }
}

// https://github.com/halcat0x15a/onedit/blob/master/client/src/main/scala/onedit/client/Resource.scala
case class Resource(url: String) extends ListResourceBundle {

  def getContents: Array[Array[Object]] = Array(
    Array("url", url))
}

// https://github.com/halcat0x15a/onedit/blob/master/client/src/main/scala/onedit/client/Root.scala
class WebViewScalaController2 extends Initializable {

  @FXML private var web: WebView = _

  val statusChanged = new EventHandler[WebEvent[String]] {
    def handle(event: WebEvent[String]) {
      //println(event.getData)
      println("event=" + event)
    }
  }

  def initialize(location: URL, resources: ResourceBundle) {
    //println(getClass + " web=" + web)
    web.getEngine.setOnStatusChanged(statusChanged)
    val url = resources.getString("url")
    println("url=" + url)
    web.getEngine.load(url)
    //web.getEngine.load("http://google.co.jp")
    //web.getEngine.load("http://localhost:9000/")
  }
}