ScalaFX App wrapper

src/main/scala/org/gerweck/scalafx/util/SFXApp.scala

@@ -0,0 +1,37 @@
+package org.gerweck.scalafx.util
+
+import scala.util.control.NonFatal
+
+import scalafx.application.JFXApp
+
+import org.log4s.getLogger
+
+
+/** A ScalaFX application that exposes the parameters and state a bit better
+  * than how the ScalaFX standard [[scalafx.application.JFXApp]] does it.
+  *
+  * @author Sarah Gerweck <sarah@atscale.com>
+  */
+trait SFXApp extends JFXApp {
+  /* TBD: Get the ScalaFX team to expose the app args. Their config system is
+   * not only silly, but they seem to think they should make it impossible
+   * to use anything else.
+   */
+  protected def args = _args
+  private[this] var _args: Array[String] = _
+
+  override def main(args: Array[String]) = {
+    try {
+      _args = args
+      super.main(args)
+    } catch {
+      case NonFatal(e) =>
+        getLogger.error(e)("Error in main loop")
+        throw e
+      case t: Throwable =>
+        System.err.println("Fatal error in app")
+        t.printStackTrace
+        throw t
+    }
+  }
+}