Initial support for Scala 3 #12

Some changes to MVCfx since ScalaFXML is not available for Scala 3

.scalafmt.conf

@@ -1,4 +1,6 @@
-version = 2.7.5
+version = 3.1.1
+
+runner.dialect = scala3
 
 preset = IntelliJ
 align.preset = more

build.sbt

@@ -10,55 +10,73 @@ import scala.xml.{Node => XmlNode, NodeSeq => XmlNodeSeq, _}
 // JAR_BUILT_BY      - Name to be added to Jar metadata field "Built-By" (defaults to System.getProperty("user.name")
 //
 
-val projectVersion  = "0.3.6.1-SNAPSHOT"
-val versionTagDir   = if (projectVersion.endsWith("SNAPSHOT")) "master" else "v." + projectVersion
-val _scalaVersions  = Seq("2.13.7", "2.12.15")
-val _scalaVersion   = _scalaVersions.head
+val projectVersion = "0.3.6.1-SNAPSHOT"
+val versionTagDir  = if (projectVersion.endsWith("SNAPSHOT")) "master" else "v." + projectVersion
+val _scalaVersions = Seq("2.13.7", "2.12.15", "3.0.2", "3.1.0")
+val _scalaVersion  = _scalaVersions.head
 val _javaFXVersion = "16"
 
-version             := projectVersion
-crossScalaVersions  := _scalaVersions
-scalaVersion        := _scalaVersion
-publishArtifact     := false
-publish / skip      := true
-sonatypeProfileName := "org.scalafx"
+ThisBuild / version             := projectVersion
+ThisBuild / crossScalaVersions  := _scalaVersions
+ThisBuild / scalaVersion        := _scalaVersion
+ThisBuild / publishArtifact     := false
+ThisBuild / publish / skip      := true
+ThisBuild / sonatypeProfileName := "org.scalafx"
 
 lazy val OSName = System.getProperty("os.name") match {
   case n if n.startsWith("Linux")   => "linux"
   case n if n.startsWith("Mac")     => "mac"
   case n if n.startsWith("Windows") => "win"
   case _                            => throw new Exception("Unknown platform!")
 }
-  
+
 lazy val JavaFXModuleNames = Seq("base", "controls", "fxml", "graphics", "media", "swing", "web")
 lazy val JavaFXModuleLibsProvided: Seq[ModuleID] =
   JavaFXModuleNames.map(m => "org.openjfx" % s"javafx-$m" % _javaFXVersion % "provided" classifier OSName)
 lazy val JavaFXModuleLibs: Seq[ModuleID] =
   JavaFXModuleNames.map(m => "org.openjfx" % s"javafx-$m" % _javaFXVersion classifier OSName)
 
+def isScala2(scalaVersion: String): Boolean = {
+  CrossVersion.partialVersion(scalaVersion) match {
+    case Some((2, _)) => true
+    case _            => false
+  }
+}
 
-def isScala2_13plus(scalaVersion: String): Boolean = {
+def isScala2_12(scalaVersion: String): Boolean = {
   CrossVersion.partialVersion(scalaVersion) match {
-    case Some((2, n)) if n >= 13 => true
-    case _ => false
+    case Some((2, 12)) => true
+    case _             => false
   }
 }
 
+def isScala2_13(scalaVersion: String): Boolean = {
+  CrossVersion.partialVersion(scalaVersion) match {
+    case Some((2, 13)) => true
+    case _             => false
+  }
+}
+
+// Add src/main/scala-3- for Scala 2.13 and older
+//   and src/main/scala-3+ for Scala versions older than 3 and newer
+def versionSubDir(scalaVersion: String): String =
+  CrossVersion.partialVersion(scalaVersion) match {
+    case Some((2, _)) => "scala-2"
+    case Some((3, _)) => "scala-3"
+    case _            => throw new Exception(s"Unsupported scala version $scalaVersion")
+  }
+
 // ScalaFX Extras project
 lazy val scalaFXExtras = (project in file("scalafx-extras")).settings(
   scalaFXExtrasSettings,
   name        := "scalafx-extras",
   description := "The ScalaFX Extras",
   Compile / doc / scalacOptions ++= Seq(
-    "-sourcepath", baseDirectory.value.toString,
-    "-doc-root-content", baseDirectory.value + "/src/main/scala/root-doc.creole",
-    "-doc-source-url", "https://github.com/SscalaFX-Extras/scalafx-extras/blob/" + versionTagDir + "/scalafx/€{FILE_PATH}.scala"
+    "-sourcepath",
+    baseDirectory.value.toString,
+    "-doc-root-content",
+    baseDirectory.value + "/src/main/scala/root-doc.creole"
   ),
-  Compile / doc / scalacOptions ++= (
-    Option(System.getenv("GRAPHVIZ_DOT_PATH")) match {
-      case Some(path) => Seq("-diagrams", "-diagrams-dot-path", path)
-      case None => Seq.empty[String]
-    })
 )
 
 // ScalaFX Extras Demos project
@@ -70,13 +88,12 @@ lazy val scalaFXExtrasDemos = (project in file("scalafx-extras-demos")).settings
     "-Xmx512M",
     "-Djavafx.verbose"
   ),
-  scalacOptions ++= Seq("-deprecation"),
   libraryDependencies ++= JavaFXModuleLibs,
   publishArtifact := false,
   libraryDependencies ++= Seq(
     "com.typesafe.scala-logging" %% "scala-logging"   % "3.9.4",
     "ch.qos.logback"              % "logback-classic" % "1.2.7"
-  ),
+  )
 ).dependsOn(scalaFXExtras % "compile;test->test")
 
 // Resolvers
@@ -89,33 +106,71 @@ lazy val scalaFXExtrasSettings = Seq(
   organization       := "org.scalafx",
   version            := projectVersion,
   crossScalaVersions := _scalaVersions,
-  scalaVersion := _scalaVersion,
-  scalacOptions ++= Seq("-unchecked", "-deprecation", "-Xcheckinit", "-encoding", "utf8", "-feature"),
+  scalaVersion       := _scalaVersion,
+  // SAdd version specific directories
+  Compile / unmanagedSourceDirectories += (Compile / sourceDirectory).value / versionSubDir(scalaVersion.value),
+  Test / unmanagedSourceDirectories += (Test / sourceDirectory).value / versionSubDir(scalaVersion.value),
+  //
+  scalacOptions ++= Seq(
+    "-unchecked",
+    "-deprecation",
+    "-encoding",
+    "utf8",
+    "-feature"
+  ) ++
+    (
+      if (isScala2(scalaVersion.value))
+        Seq("-Xcheckinit")
+      else
+        Seq.empty[String]
+    ),
   Compile / doc / scalacOptions ++= Opts.doc.title("ScalaFX Extras API"),
   Compile / doc / scalacOptions ++= Opts.doc.version(projectVersion),
-  Compile / doc / scalacOptions += s"-doc-external-doc:${scalaInstance.value.libraryJars.head}#http://www.scala-lang.org/api/${scalaVersion.value}/",
   Compile / doc / scalacOptions ++= Seq("-doc-footer", s"ScalaFX Extras API v.$projectVersion"),
+  Compile / doc / scalacOptions ++= (
+    if(isScala2(scalaVersion.value))
+      Seq(
+        s"-doc-external-doc:${scalaInstance.value.libraryJars.head}#http://www.scala-lang.org/api/${scalaVersion.value}/",
+        "-doc-source-url", "https://github.com/SscalaFX-Extras/scalafx-extras/blob/" + versionTagDir + "/scalafx/€{FILE_PATH}.scala"
+      ) ++ (
+        Option(System.getenv("GRAPHVIZ_DOT_PATH")) match {
+          case Some(path) => Seq("-diagrams", "-diagrams-dot-path", path)
+          case None       => Seq.empty[String]
+        }
+      )
+    else
+      Seq.empty[String]
+  ),
   // If using Scala 2.13 or better, enable macro processing through compiler option
-  scalacOptions += (if (isScala2_13plus(scalaVersion.value)) "-Ymacro-annotations" else ""),
+  scalacOptions += (if (isScala2_13(scalaVersion.value)) "-Ymacro-annotations" else ""),
   // If using Scala 2.12 or lower, enable macro processing through compiler plugin
   libraryDependencies ++= (
-    if (!isScala2_13plus(scalaVersion.value))
+    if (isScala2_12(scalaVersion.value))
       Seq(compilerPlugin(
-        "org.scalamacros" % "paradise" % "2.1.1" cross CrossVersion.full))
+        "org.scalamacros" % "paradise" % "2.1.1" cross CrossVersion.full
+      ))
     else
       Seq.empty[sbt.ModuleID]
-    ),
+  ),
   javacOptions ++= Seq(
     //    "-target", "1.8",
     //    "-source", "1.8",
-    "-Xlint:deprecation"),
+    "-Xlint:deprecation"
+  ),
   libraryDependencies ++= Seq(
-    "com.beachape"   %% "enumeratum"          % "1.7.0",
-    "org.scala-lang"  % "scala-reflect"       % scalaVersion.value,
-    "org.scalafx"    %% "scalafx"             % "16.0.0-R25",
-    "org.scalafx"    %% "scalafxml-core-sfx8" % "0.5",
-    "org.scalatest"  %% "scalatest"           % "3.2.10" % "test"
+    "org.scalafx"   %% "scalafx"   % "16.0.0-R25",
+    "org.scalatest" %% "scalatest" % "3.2.10" % "test"
   ) ++ JavaFXModuleLibsProvided,
+  libraryDependencies ++= (
+    if (isScala2(scalaVersion.value))
+      Seq(
+        "com.beachape"  %% "enumeratum"          % "1.7.0",
+        "org.scala-lang" % "scala-reflect"       % scalaVersion.value,
+        "org.scalafx"   %% "scalafxml-core-sfx8" % "0.5"
+      )
+    else
+      Seq.empty[sbt.ModuleID]
+  ),
   // Use `pomPostProcess` to remove dependencies marked as "provided" from publishing in POM
   // This is to avoid dependency on wrong OS version JavaFX libraries
   // See also [https://stackoverflow.com/questions/27835740/sbt-exclude-certain-dependency-only-during-publish]
@@ -124,17 +179,17 @@ lazy val scalaFXExtrasSettings = Seq(
       override def transform(node: XmlNode): XmlNodeSeq = node match {
         case e: Elem if e.label == "dependency" && e.child.exists(c => c.label == "scope" && c.text == "provided") =>
           val organization = e.child.filter(_.label == "groupId").flatMap(_.text).mkString
-          val artifact = e.child.filter(_.label == "artifactId").flatMap(_.text).mkString
-          val version = e.child.filter(_.label == "version").flatMap(_.text).mkString
+          val artifact     = e.child.filter(_.label == "artifactId").flatMap(_.text).mkString
+          val version      = e.child.filter(_.label == "version").flatMap(_.text).mkString
           Comment(s"provided dependency $organization#$artifact;$version has been omitted")
         case _ => node
       }
     }).transform(node).head
   },
   autoAPIMappings := true,
   manifestSetting,
-  run / fork  := true,
-  Test / fork := true,
+  run / fork               := true,
+  Test / fork              := true,
   Test / parallelExecution := false,
   resolvers += Resolver.sonatypeRepo("snapshots"),
   // print junit-style XML for CI
@@ -146,7 +201,7 @@ lazy val scalaFXExtrasSettings = Seq(
 
 lazy val manifestSetting = packageOptions += {
   Package.ManifestAttributes(
-    "Created-By" -> "Simple Build Tool",
+    "Created-By"               -> "Simple Build Tool",
     "Built-By"                 -> Option(System.getenv("JAR_BUILT_BY")).getOrElse(System.getProperty("user.name")),
     "Build-Jdk"                -> System.getProperty("java.version"),
     "Specification-Title"      -> name.value,
@@ -164,14 +219,19 @@ import xerial.sbt.Sonatype._
 // Metadata needed by Maven Central
 // See also http://maven.apache.org/pom.html#Developers
 lazy val mavenCentralSettings = Seq(
-  homepage  := Some(new URL("http://www.scalafx.org/")),
-  startYear := Some(2016),
-  licenses  := Seq(("BSD", new URL("https://github.com/scalafx/scalafx-extras/blob/master/LICENSE.txt"))),
-  sonatypeProfileName := "org.scalafx",
+  homepage               := Some(new URL("http://www.scalafx.org/")),
+  startYear              := Some(2016),
+  licenses               := Seq(("BSD", new URL("https://github.com/scalafx/scalafx-extras/blob/master/LICENSE.txt"))),
+  sonatypeProfileName    := "org.scalafx",
   sonatypeProjectHosting := Some(GitHubHosting("org.scalafx", "scalafx-extras", "jpsacha@gmail.com")),
-  publishMavenStyle := true,
-  publishTo := sonatypePublishToBundle.value,
+  publishMavenStyle      := true,
+  publishTo              := sonatypePublishToBundle.value,
   developers := List(
-    Developer(id="jpsacha", name="Jarek Sacha", email="jpsacha@gmail.com", url=url("https://github.com/jpsacha"))
+    Developer(
+      id = "jpsacha",
+      name = "Jarek Sacha",
+      email = "jpsacha@gmail.com",
+      url = url("https://github.com/jpsacha")
+    )
   )
 )

scalafx-extras-demos/src/main/scala/org/scalafx/extras/mvcfx/stopwatch/StopWatch.scala → scalafx-extras-demos/src/main/scala-2/org/scalafx/extras/mvcfx/stopwatch/StopWatch.scala

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2016, ScalaFX Project
+ * Copyright (c) 2011-2021, ScalaFX Project
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

scalafx-extras-demos/src/main/scala/org/scalafx/extras/showmessage/ShowMessageDemo.scala → scalafx-extras-demos/src/main/scala-2/org/scalafx/extras/showmessage/ShowMessageDemo.scala

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2018, ScalaFX Project
+ * Copyright (c) 2011-2021, ScalaFX Project
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

scalafx-extras-demos/src/main/scala-3/org/scalafx/extras/mvcfx/stopwatch/StopWatch.scala

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2011-2021, ScalaFX Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the ScalaFX Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE SCALAFX PROJECT OR ITS CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.scalafx.extras.mvcfx.stopwatch
+
+import javafx.util as jfxu
+
+import org.scalafx.extras.mvcfx.MVCfx
+
+/**
+  * StopWatch generator/loader.
+  */
+class StopWatch(val model: StopWatchModel = new StopWatchModel())
+  extends MVCfx[StopWatchController]("/org/scalafx/extras/mvcfx/stopwatch/StopWatch.fxml") {
+
+  def controllerInstance: StopWatchController = new StopWatchController(model)
+}