Play215 with scalariform formatting before compilation

application.conf

# Control the activation of the scalariform plugin (default false).
application.scalariform.enable=true

# Path to the configuration properties :
#application.scalariform.config.path="conf/scalariform.properties"

build.scala

import sbt._
import Keys._
import play.Project._
import com.typesafe.config._

object ApplicationBuild extends Build {

  val conf = ConfigFactory.parseFile(new File("conf/application.conf")).resolve()

  val appName         = "play215"
  val appVersion      = "1.0-SNAPSHOT"

  val appDependencies = Seq(
    // Add your project dependencies here,
    jdbc,
    anorm
  )

  lazy val scalariformConf: Seq[Setting[_]] = {
    import scala.util.control.Exception._

    val useScalariform = (catching(classOf[ConfigException]) opt conf.getBoolean("application.scalariform.enable")).getOrElse(false)

    if( useScalariform ){
      import com.typesafe.sbt.SbtScalariform.ScalariformKeys
      import scalariform.formatter.preferences._

      val confPath = ( catching(classOf[ConfigException]) opt
        conf.getString("application.scalariform.config.path") ).getOrElse("conf/scalariform.properties")

      val formattingPreferences = PreferencesImporterExporter.loadPreferences(confPath)

      com.typesafe.sbt.SbtScalariform.scalariformSettings ++ Seq( ScalariformKeys.preferences := formattingPreferences )
    } else { Nil }
  }

  val main = play.Project(appName, appVersion, appDependencies).settings(scalariformConf:_*)

}

plugins.sbt

// Comment to get more information during initialization
logLevel := Level.Warn

// The Typesafe repository
resolvers += "Typesafe repository" at "http://repo.typesafe.com/typesafe/releases/"

// Scalariform formatting
addSbtPlugin("com.typesafe.sbt" % "sbt-scalariform" % "1.0.1")

// Use the Play sbt plugin for Play projects
addSbtPlugin("play" % "sbt-plugin" % "2.1.5")

scalariform.properties

alignSingleLineCaseStatements=true
compactControlReadability=true
compactStringConcatenation=true
doubleIndentClassDeclaration=true
formatXml=true
indentLocalDefs=true
indentPackageBlocks=true
indentSpaces=2
multilineScaladocCommentsStartOnFirstLine=true
preserveSpaceBeforeArguments=false
preserveDanglingCloseParenthesis=false
rewriteArrowSymbols=false
spaceBeforeColon=false
spaceInsideBrackets=false
spacesWithinPatternBinders=true