Scala Platform类代码示例

//设置package包名称以及导入依赖的类
package strnet

import java.io.{ File, FileInputStream }
import java.util.Properties

import scalafx.Includes._
import scalafx.application.JFXApp.PrimaryStage
import scalafx.application.{ JFXApp, Platform }
import scalafx.scene.Scene
import scalafx.scene.image.Image
import scalafx.scene.control._
import scalafx.scene.layout._
import scalafx.stage.WindowEvent

object Gui extends JFXApp {
  val commonProp = new Properties
  commonProp.load(new FileInputStream(new File("conf" + File.separator + "common.conf")))

  val dir = new File(commonProp.getProperty("directories.path"))
  val command = commonProp.getProperty("exec.path")

  val defaultImg = new Image(new File("conf" + File.separator + "no.jpg").toURI().toString)

  val rootPane = new BorderPane()
  val listPane = new FlowPane(10, 10)
  val scrollPane = new ScrollPane()
  scrollPane.setContent(listPane)
  listPane.prefWidth.bind(scrollPane.width)
  listPane.prefHeight.bind(scrollPane.height)
  scrollPane.styleClass.append("base")


  rootPane.setCenter(scrollPane)

  def scanFiles(dir: File): Unit = {
    val thumbnails = dir.listFiles.filter(f => f.isFile && !f.getName.matches(".*\\.jpg"))
    thumbnails.foreach { f => listPane.children.add(new FileInfo(f, command, ".jpg", defaultImg)) }
  }

  stage = new PrimaryStage {
    title = "Bestiary"
    scene = new Scene(rootPane, 1280, 768) {
      stylesheets.add("/strnet/main.css")
    }
    onCloseRequest = (we: WindowEvent) => Platform.exit()
  }

  println(dir + ":" + dir.exists())
  if ( dir.exists() && dir.isDirectory() ) {
    scanFiles(dir)
  }
} 

//设置package包名称以及导入依赖的类
package com.coding42.gol

import org.scalatest.{FlatSpec, Matchers}
import org.scalatest.concurrent.{Eventually, IntegrationPatience}

import scalafx.application.Platform

class LifeAppSpec extends FlatSpec with Eventually with IntegrationPatience with Matchers {

  it should "open the app and create a default canvas of 300x200" in {
    runApp()
    eventually {
      LifeApp.canvas.width.value shouldBe 300
      LifeApp.canvas.height.value shouldBe 200
    }
  }

  it should "check app updates steps" in {
    eventually {
      step shouldBe "Step: 1"
    }

    eventually {
      step shouldBe "Step: 2"
    }
  }

  it should "restart button does start steps again an can change size" in {
    eventually {
      step shouldBe "Step: 3"
    }

    Platform.runLater(LifeApp.restartBtn.fire())
    Platform.runLater(LifeApp.widthField.text = "100")
    Platform.runLater(LifeApp.heightField.text = "50")
    Platform.runLater(LifeApp.okBtn.fire())

    eventually {
      step shouldBe "Step: 1"
      LifeApp.canvas.width.value shouldBe 100
      LifeApp.canvas.height.value shouldBe 50
    }
  }

  private def step = LifeApp.stepText.text.value

  private def runApp(): Unit = {
    val thread = new Thread {
      override def run(): Unit = {
        LifeApp.main(Array.empty)
      }
    }
    thread.start()
  }

} 

//设置package包名称以及导入依赖的类
package org.rustkeylock

import org.rustkeylock.fragments.Empty
import org.rustkeylock.init.NativeInitializer
import org.slf4j.LoggerFactory

import com.typesafe.scalalogging.Logger

import scalafx.application.JFXApp
import scalafx.application.JFXApp.PrimaryStage
import scalafx.scene.image.Image
import scalafx.event.EventType
import scalafx.event.EventHandler
import scalafx.stage.WindowEvent
import scalafx.event.ActionEvent
import org.rustkeylock.utils.Defs
import org.rustkeylock.api.InterfaceWithRust
import scalafx.application.Platform

object Ui extends JFXApp {
  val Banner = """
                _        _              _            _    
 _ __ _   _ ___| |_     | | _____ _   _| | ___   ___| | __
| '__| | | / __| __|____| |/ / _ \ | | | |/ _ \ / __| |/ /
| |  | |_| \__ \ ||_____|   <  __/ |_| | | (_) | (__|   < 
|_|   \__,_|___/\__|    |_|\_\___|\__, |_|\___/ \___|_|\_\
                                  |___/                   

"""
  val logger = Logger(LoggerFactory.getLogger(this.getClass))
  logger.info(Banner)

  stage = new PrimaryStage {
    title = "rust-keylock"
    scene = new Empty()
    onCloseRequest = {
      new javafx.event.EventHandler[javafx.stage.WindowEvent] {
        def handle(ev: javafx.stage.WindowEvent): Unit = {
          InterfaceWithRust.INSTANCE.go_to_menu(Defs.MENU_EXIT)
          ev.consume()
        }
      }
    }
  }

  stage.getIcons.add(new Image("images/rkl-small.png"))
  Platform.implicitExit_=(false)
  
  NativeInitializer.init(stage)
} 

//设置package包名称以及导入依赖的类
package org.rustkeylock.init

import scala.util.Failure
import scala.util.Success
import scala.util.Try

import org.rustkeylock.api.InterfaceWithRust
import org.rustkeylock.callbacks.LogCb
import org.rustkeylock.callbacks.ShowEntriesSetCb
import org.rustkeylock.callbacks.ShowEntryCb
import org.rustkeylock.callbacks.ShowMenuCb
import org.rustkeylock.callbacks.ShowMessageCb
import org.slf4j.LoggerFactory

import com.typesafe.scalalogging.Logger
import scalafx.stage.Stage
import scalafx.application.Platform

object NativeInitializer {
  def init(stage: Stage): Unit = {
    new Thread(new NativeInitializer(stage)).start
  }
}

class NativeInitializer(stage: Stage) extends Runnable {
  val logger = Logger(LoggerFactory.getLogger(this.getClass))

  def run(): Unit = {
    logger.debug("Initializing rust-keylock native")
    Try {
      InterfaceWithRust.INSTANCE.execute(
        new ShowMenuCb(stage),
        new ShowEntryCb(stage),
        new ShowEntriesSetCb(stage),
        new ShowMessageCb(stage),
        new LogCb())
    } match {
      case Failure(error) => {
        logger.error("Native rust-keylock error detected", error)
      }
      case Success(_) => {
        logger.debug("Native rust-keylock exiting without errors")
      }
    }

    Platform.exit()
  }
} 

//设置package包名称以及导入依赖的类
package org.rustkeylock.callbacks

import org.rustkeylock.api.RustCallback
import org.slf4j.LoggerFactory
import com.typesafe.scalalogging.Logger
import scalafx.application.Platform
import scalafx.scene.control.Alert.AlertType
import scalafx.scene.control.Alert
import org.rustkeylock.utils.Defs
import org.rustkeylock.api.InterfaceWithRust
import scalafx.stage.Stage

class ShowMessageCb(stage: Stage) extends RustCallback {
  val logger = Logger(LoggerFactory.getLogger(this.getClass))

  def apply(message: String): Unit = {
    logger.debug(s"Callback for showing message $message")
    Platform.runLater(new UiThreadRunnable(message))
  }

  class UiThreadRunnable(message: String) extends Runnable {
    override def run(): Unit = {
      new Alert(AlertType.Information) {
        initOwner(stage)
        title = "rust-keylock"
        contentText = message
      }.showAndWait()
      // It doesn't matter which menu we return from the show message screen. The logic of the rust-keylock library only needs something to proceed. 
			InterfaceWithRust.INSTANCE.go_to_menu(Defs.MENU_ENTRIES_LIST)
    }
  }
} 

//设置package包名称以及导入依赖的类
package org.rustkeylock.callbacks

import org.rustkeylock.api.RustCallback
import org.rustkeylock.fragments.EnterPassword
import org.rustkeylock.utils.Defs
import org.slf4j.LoggerFactory

import com.typesafe.scalalogging.Logger

import scalafx.application.Platform
import scalafx.stage.Stage
import org.rustkeylock.fragments.Empty
import org.rustkeylock.fragments.MainMenu
import org.rustkeylock.fragments.ImportExport
import org.rustkeylock.fragments.ExitMenu
import org.rustkeylock.fragments.ChangePassword

class ShowMenuCb(stage: Stage) extends RustCallback {
  val logger = Logger(LoggerFactory.getLogger(this.getClass))

  def apply(menu: String): Unit = {
    logger.debug("Callback for showing menu " + menu)
    Platform.runLater(new UiThreadRunnable(stage, menu))
  }

  class UiThreadRunnable(stage: Stage, menu: String) extends Runnable {
    override def run(): Unit = {
      val newScene = menu match {
        case Defs.MENU_TRY_PASS => {
          new EnterPassword(stage)
        }
        case Defs.MENU_CHANGE_PASS => {
          new ChangePassword(stage)
        }
        case Defs.MENU_MAIN => {
          new MainMenu(stage)
        }
        case Defs.MENU_EXIT => {
          new ExitMenu(stage)
        }
        case Defs.MENU_EXPORT_ENTRIES => {
          new ImportExport(true, stage)
        }
        case Defs.MENU_IMPORT_ENTRIES => {
          new ImportExport(false, stage)
        }
        case other => throw new RuntimeException(s"Cannot Show Menu with name '$menu' and no arguments")
      }

      stage.setScene(newScene)

    }
  }
} 

//设置package包名称以及导入依赖的类
package org.rustkeylock.callbacks

import org.rustkeylock.api.EntryCallback
import org.rustkeylock.fragments.ShowEntry
import org.rustkeylock.japi.ScalaEntry
import org.slf4j.LoggerFactory

import com.typesafe.scalalogging.Logger

import scalafx.application.Platform
import scalafx.stage.Stage

class ShowEntryCb(stage: Stage) extends EntryCallback {
  private val logger = Logger(LoggerFactory.getLogger(this.getClass))

  def apply(anEntry: ScalaEntry.ByReference, entryIndex: Int, edit: Boolean, delete: Boolean): Unit = {
    logger.debug(s"Callback for showing Entry with index $entryIndex")
    Platform.runLater(new UiThreadRunnable(stage, anEntry, entryIndex, edit, delete))
  }

  class UiThreadRunnable(stage: Stage, anEntry: ScalaEntry.ByReference, entryIndex: Int, edit: Boolean, delete: Boolean) extends Runnable {
    override def run(): Unit = {
      stage.setScene(new ShowEntry(anEntry, entryIndex, edit, delete, stage))
    }
  }
} 

//设置package包名称以及导入依赖的类
package org.rustkeylock.callbacks

import org.rustkeylock.api.EntriesSetCallback
import org.rustkeylock.japi.ScalaEntriesSet
import org.slf4j.LoggerFactory
import com.typesafe.scalalogging.Logger
import scalafx.stage.Stage
import scalafx.application.Platform
import org.rustkeylock.japi.ScalaEntry
import scala.collection.JavaConverters.asScalaIterator
import org.rustkeylock.fragments.ListEntries

class ShowEntriesSetCb(stage: Stage) extends EntriesSetCallback {
  private val logger = Logger(LoggerFactory.getLogger(this.getClass))

  def apply(entriesSet: ScalaEntriesSet.ByReference): Unit = {
    logger.debug("Callback for showing Entries")
    val entries = if (entriesSet.numberOfEntries == 1 && entriesSet.getEntries().get(0).name.equals("null")
				&& entriesSet.getEntries().get(0).user.equals("null")
				&& entriesSet.getEntries().get(0).pass.equals("null")
				&& entriesSet.getEntries().get(0).desc.equals("null")) {
			Nil
		} else {
			asScalaIterator(entriesSet.getEntries().iterator()).toList
		}

    Platform.runLater(new UiThreadRunnable(stage, entries))
  }

  class UiThreadRunnable(stage: Stage, entries: List[ScalaEntry]) extends Runnable {
    override def run(): Unit = {
      stage.setScene(new ListEntries(entries.map(_.name), stage))
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.stulsoft.pscalafx.demo1

import scala.reflect.runtime.universe.typeOf
import scalafx.application.{Platform, JFXApp}
import scalafx.Includes._
import scalafx.scene.Scene
import scalafx.scene.control.{ComboBox, TextField}
import scalafx.event.ActionEvent
import scalafxml.core.{DependenciesByType, FXMLView}
import scalafxml.core.macros.sfxml
import javafx.beans.binding.StringBinding


@sfxml
class UnitConverterPresenter(from: TextField,
                             to: TextField,
                             types: ComboBox[UnitConverter],
                             converters: UnitConverters) {

  // Filling the combo box
  for (converter <- converters.available) {
    types += converter
  }
  types.getSelectionModel.selectFirst()

  // Data binding
  to.text <== new StringBinding {
    bind(from.text.delegate, types.getSelectionModel.selectedItemProperty)

    def computeValue(): String = types.getSelectionModel.getSelectedItem.run(from.text.value)
  }

  // Close button event handler
  def onClose(event: ActionEvent) {
    Platform.exit()
  }
}

object ScalaFXML extends JFXApp {

  val root = FXMLView(getClass.getResource("/fxml/unitconverter.fxml"),
    new DependenciesByType(Map(
      typeOf[UnitConverters] -> new UnitConverters(InchesToMM, MMtoInches))))

  stage = new JFXApp.PrimaryStage() {
    title = "Unit conversion"
    scene = new Scene(root)

  }
} 

//设置package包名称以及导入依赖的类
package trove.ui

import trove.core.event.{Event, EventListener}

import scalafx.application.Platform

// Wrapper to ensure we update UI on event dispatch thread.
trait UIEventListener extends EventListener {

    final override def onEvent: PartialFunction[Event,Unit] = {
      case e: Event =>
        if(onReceive.isDefinedAt(e)) {
          Platform.runLater {
            onReceive(e)
        }
      }
    }

    def onReceive: PartialFunction[Event,Unit]
    
    subscribeEvents()
}