Refactored FX code into it's own class +

misc changes
This commit is contained in:
Rohan Sircar 2020-12-20 15:19:37 +05:30
parent 029cbbd5ac
commit 6ef5c9778e
9 changed files with 191 additions and 174 deletions

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@ -1,14 +1,21 @@
package nova.monadic_sfx
import java.util.concurrent.TimeUnit
import scala.util.Random
import com.softwaremill.macwire._
import io.odin.Logger
import monix.bio.IO
import monix.bio.Task
import monix.eval.Coeval
import monix.{eval => me}
import nova.monadic_sfx.executors.Schedulers
import nova.monadic_sfx.implicits.JFXButton
import nova.monadic_sfx.implicits.JavaFXMonixObservables._
import nova.monadic_sfx.ui.MyFxApp
import nova.monadic_sfx.ui.components.router.BrainNotWorking
import nova.monadic_sfx.ui.components.router.FXRouter
import nova.monadic_sfx.ui.components.router.Page
import nova.monadic_sfx.ui.components.todo.TodoListStore
import nova.monadic_sfx.ui.components.todo.TodoListView
import org.gerweck.scalafx.util._
@ -18,12 +25,16 @@ import scalafx.beans.property.ObjectProperty
import scalafx.beans.property.StringProperty
import scalafx.collections.ObservableBuffer
import scalafx.geometry.Insets
import scalafx.geometry.Pos
import scalafx.scene.Parent
import scalafx.scene.Scene
import scalafx.scene.control.Label
import scalafx.scene.control.TableColumn
import scalafx.scene.control.TableView
import scalafx.scene.layout.BorderPane
import scalafx.scene.layout.FlowPane
import scalafx.scene.layout.HBox
import scalafx.scene.paint.Color
import scalafx.scene.shape.Rectangle
import scalafx.scene.layout.Priority
class MainApp(
// spawnProtocol: ActorSystem[SpawnProtocol.Command],
@ -31,136 +42,108 @@ class MainApp(
startTime: Long
)(implicit logger: Logger[Task]) {
lazy val addTodoButton = new JFXButton {
text = "Add"
}
lazy val addTodoObs = addTodoButton.observableAction
// lazy val todoListView = TodoListView.defaultListView
lazy val _scene = new Scene {
root = new HBox {
padding = Insets(20)
content = new Rectangle {
width = 400
height = 200
fill = Color.DeepSkyBlue
}
children ++= Seq(
// new JFXButton {
// text = "DummyButton"
// },
// new JFXButton {
// text = "DummyButton2"
// },
// addTodoButton,
// Test.ttv
// todoListView
)
}
}
private lazy val stage = new PrimaryStage {
title = "Simple ScalaFX App"
scene = _scene
width = 1000
height = 400
width = 640
height = 480
}
// implicit val l = logger
// implicit val sp = spawnProtocol
val program = for {
(fxApp, fxAppFib) <- wire[MyFxApp].init(stage)
// _ <- Task(fxApp.stage = stage)
// .executeOn(schedulers.fx)
// .delayExecution(2000.millis)
// todoComponent <- createTodoComponent
// _ <- toIO(
// addTodoObs
// .mapEval(_ =>
// toTask(todoComponent.send(TodoListComponent.Add(Todo(1, "blah"))))
// )
// .completedL
// .executeOn(schedulers.fx)
// .startAndForget
// )
_ <- createTodoComponent.executeOn(schedulers.fx)
router <- Task(BrainNotWorking.router)
routerStore <- router.store(BrainNotWorking.Page.Home, logger)
routerNode <- for {
node <-
Task
.deferAction(implicit s =>
Task(new HBox {
children <-- router
.render(BrainNotWorking.resolver)(routerStore)
.map(_.delegate)
})
)
.executeOn(schedulers.fx)
_ <- Task.deferFuture(
routerStore.onNext(FXRouter.Replace(BrainNotWorking.Page.UserHome(1)))
)
} yield node
// _ <-
// BrainNotWorking
// .routerTask(logger)
// .flatMap(node => Task(_scene.getChildren += node))
// .executeOn(schedulers.fx)
_ <- Task(_scene.getChildren += routerNode).executeOn(schedulers.fx)
_ <-
wire[MainAppDelegate].init
.flatMap(mainSceneNode => Task(_scene.getChildren += mainSceneNode))
.executeOn(schedulers.fx)
currentTime <- IO.clock.realTime(TimeUnit.MILLISECONDS)
_ <- logger.info(
s"Application started in ${(System.currentTimeMillis() - startTime) / 1000f} seconds"
s"Application started in ${(currentTime - startTime) / 1000f} seconds"
)
_ <- fxAppFib.join
} yield ()
// def createTodoComponent: Task[TodoListComponent] = {
// for {
// channel <-
// ConcurrentChannel
// .of[Task, TodoListComponent.Complete, TodoListComponent.Command]
// scheduler = schedulers.fx
// lv <- TodoListView.defaultListView2.executeOn(scheduler)
// // todoLV = new TodoListView(lv)
// todoComponent <- wire[TodoListComponent.Props].create
// // TODO make this a "message pass" instead of mutating directly
// _ <- Task(_scene.getChildren += lv).executeOn(scheduler)
// // _ <- toIO(
// // delObs
// // .doOnNext(_ => toTask(logger.debug("Pressed delete")))
// // .doOnNext(todo =>
// // toTask(
// // for {
// // _ <- logger.debug(s"Got todo $todo")
// // _ <- todoComponent.send(TodoListComponent.Delete(todo.id))
// // // _ <- Task.sequence(
// // // lst.map(todo =>
// // // todoComponent.send(TodoListComponent.Delete(todo.id))
// // // )
// // // )
// // } yield ()
// // )
// // )
// // .completedL
// // ).startAndForget
// // _ <- toIO(
// // editObs
// // .doOnNext(_ => toTask(logger.debug("Pressed edit")))
// // .completedL
// // ).startAndForget
// } yield todoComponent
// }
}
def createTodoComponent: Task[Unit] =
class MainAppDelegate(schedulers: Schedulers)(implicit logger: Logger[Task]) {
val buttonStyle = """| -fx-padding: 0.7em 0.57em;
| -fx-font-size: 14px;
| -jfx-button-type: RAISED;
| -fx-background-color: rgb(77,102,204);
| -fx-pref-width: 200;
| -fx-text-fill: WHITE; """.stripMargin
def init =
for {
store <- TodoListStore(logger)
rootNode <- TodoListView(store)
_ <- Task(_scene.getChildren += rootNode)
} yield ()
router <- Task.pure(new FXRouter[Page])
routerStore <- router.store(Page.Home, logger)
todoStore <- TodoListStore(logger)
todoComponent <- TodoListView(todoStore)
resolver: PartialFunction[Page, Task[Parent]] = {
case Page.Home =>
Task(new Label {
text = "HomePage"
})
case Page.UserHome(id0) =>
Task(new Label {
text = s"User Home, Id = $id0"
})
case Page.Todo =>
Task(todoComponent)
}
routerNode <-
Task
.deferAction(implicit s =>
Task(new HBox {
//TODO find a better way to do this
var oldValue: Option[Parent] = None
children <-- router
.render(resolver)(routerStore)
// call cancel on the old component to cancel all subscriptions
.doOnNextF(newValue =>
Coeval { oldValue.foreach(_ => ()) } >> Coeval {
oldValue = Some(newValue)
}
)
.map(_.delegate)
})
)
mainSceneNode <- Task.deferAction(implicit s =>
Task(new BorderPane {
hgrow = Priority.Always
vgrow = Priority.Always
center = routerNode
bottom = new FlowPane {
alignment = Pos.Center
hgap = 20
children = Seq(
new JFXButton {
text = "Todo"
style = buttonStyle
obsAction
.useLazyEval(
me.Task.pure(FXRouter.Replace(Page.Todo))
) --> routerStore
},
new JFXButton {
text = "UserHome"
style = buttonStyle
obsAction
.useLazyEval(
me.Task(FXRouter.Replace(Page.UserHome(Random.nextInt(20))))
) --> routerStore
}
)
}
})
)
} yield mainSceneNode
}
class TestModel(_name: String, _age: Int) {

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@ -19,23 +19,23 @@ trait MainModule extends ActorModule with UiModule with HttpModule {
"nova.monadic_sfx.util.reactive.Store" -> storeLogger
)
.withFallback(defaultLogger)
.withAsync()
.withAsync(timeWindow = 1.millis)
def makeLogger =
for {
defaultLogger <- consoleLogger[Task]()
.withAsync(timeWindow = 1.millis) |+| fileLogger[Task](
"application.log"
).withAsync()
).withAsync(timeWindow = 1.millis)
middlewareLogger <-
consoleLogger[
Task
](formatter = Middlewares.format)
.withMinimalLevel(Level.Trace)
.withAsync() |+| fileLogger[Task](
.withAsync(timeWindow = 1.millis) |+| fileLogger[Task](
"stores.log",
formatter = Middlewares.format
).withAsync()
).withAsync(timeWindow = 1.millis)
routerLogger <- routerLogger(defaultLogger, middlewareLogger)
} yield (routerLogger)
}

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@ -12,7 +12,7 @@ class ActionObservableExecutor[T](
) extends AnyVal {
def -->(sub: Observer[T])(implicit s: Scheduler) =
delegate
.doOnNext(el => me.Task(sub.onNext(el)))
.doOnNext(el => me.Task.deferFuture(sub.onNext(el)) >> me.Task.unit)
.subscribe()
}

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@ -31,7 +31,8 @@ class MyFxApp(val schedulers: Schedulers)(implicit logger: Logger[Task]) {
def init(stage: => PrimaryStage, delay: FiniteDuration = 200.millis) =
for {
_ <- logger.info("Starting FX App")
fib <- Task(internal.main(Array.empty)).start
fib <-
Task(internal.main(Array.empty)).start.executeOn(schedulers.blocking)
_ <- Task.sleep(200.millis)
_ <- Task(internal.stage = stage)
.executeOn(schedulers.fx)

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@ -1,47 +1,52 @@
package nova.monadic_sfx.ui.components.router
import enumeratum._
import io.circe.Codec
import io.circe.Decoder
import io.circe.Encoder
import io.circe.generic.JsonCodec
import io.circe.generic.semiauto._
import io.odin.Logger
import monix.bio.Task
import nova.monadic_sfx.util.IOUtils
import nova.monadic_sfx.util.reactive.Middlewares
import nova.monadic_sfx.util.reactive.Reducer
import nova.monadic_sfx.util.reactive.Store
import scalafx.scene.Parent
import scalafx.scene.control.Label
object FXRouter {
final case class State[P](page: P)
@JsonCodec
sealed abstract class Action[T]
// final case object Init extends Action
// @JsonCodec
sealed abstract class Action[+T]
final case class Replace[T](p: T) extends Action[T]
object Action {
implicit def codec[T: Encoder: Decoder]: Codec[Action[T]] = deriveCodec
}
type FXStore[P] = Store[Action[P], State[P]]
// def resolver2 = resolver.lift.andThen(_.getOrElse(notFound))
// def resolver: PartialFunction[P <: Enum[P]][P, Parent] = {
// case Home => new TextField
// }
}
class FXRouter[P <: EnumEntry](
)(implicit E: Encoder[P]) {
class FXRouter[P](
)(implicit E: Encoder[P], D: Decoder[P]) {
import FXRouter._
def store(initialPage: P, logger: Logger[Task]) =
def store(initialPage: P, logger: Logger[Task]): Task[FXStore[P]] =
Task.deferAction(implicit s =>
Store.createL[Action[P], State[P]](
Replace(initialPage),
State(initialPage),
Reducer.withOptionalEffects[Task, Action[P], State[P]](reducer _)
// Seq(actionLoggerMiddleware(logger, "RouterStore"))
)
for {
mw <- Middlewares.actionLoggerMiddleware[Action[P], State[P]](
logger,
"RouterStore"
)
store <- Store.createL[Action[P], State[P]](
Replace(initialPage),
State(initialPage),
Reducer.withOptionalEffects[Task, Action[P], State[P]](reducer _),
Seq(mw)
)
} yield store
)
def reducer(
@ -67,28 +72,12 @@ class FXRouter[P <: EnumEntry](
}
}
object BrainNotWorking {
@JsonCodec
sealed trait Page extends EnumEntry
object Page extends Enum[Page] {
val values = findValues
final case object Home extends Page
final case class UserHome(id: Int) extends Page
}
def resolver: PartialFunction[Page, Task[Parent]] = {
case Page.Home =>
Task(new Label {
text = "HomePage"
})
case Page.UserHome(id0) =>
Task(new Label {
text = s"User Home, Id = $id0"
})
}
val router = new FXRouter[Page]
@JsonCodec
sealed trait Page
object Page {
final case object Home extends Page
final case class UserHome(id: Int) extends Page
final case object Todo extends Page
}
// case class State()

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@ -16,7 +16,7 @@ import scalafx.Includes._
import scalafx.beans.property.ObjectProperty
import scalafx.beans.property.StringProperty
import scalafx.geometry.Insets
import scalafx.scene.Node
import scalafx.scene.Parent
import scalafx.scene.control.ContextMenu
import scalafx.scene.control.ListCell
import scalafx.scene.control.SelectionMode
@ -25,17 +25,12 @@ import scalafx.scene.text.Text
object TodoListView {
def apply(
store: MonixProSubject[
TodoListStore.Action,
(TodoListStore.Action, TodoListStore.State)
]
): Task[Node] =
store: Store[TodoListStore.Action, TodoListStore.State]
): Task[Parent] =
Task.deferAction(implicit s =>
Task {
val cc = CompositeCancelable()
val todos =
store.map { case (_, state) => state.todos }
// Todo(-1, "").some
val todos = store.map { case (_, state) => state.todos }
val _selectedItems = ObjectProperty(Seq.empty[Todo])
new HBox {

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@ -0,0 +1,44 @@
package nova.monadic_sfx.util
import monix.bio.Task
import monix.bio.UIO
import monix.catnap.MVar
/**
* Synchronization wrapper for a mutable object
*
* @param obj the mutable object
* @param lock lock for synchronization
*/
class SynchedObject[A](obj: A, lock: MLock) {
def modify(f: A => Task[Unit]): Task[Unit] =
lock.greenLight(f(obj))
def get: Task[A] = lock.greenLight(Task(obj))
}
object SynchedObject {
def apply[A](obj: A) =
MVar[Task]
.of(())
.map(m => new MLock(m))
.flatMap(lock => Task(new SynchedObject(obj, lock)))
}
final class MLock(mvar: MVar[Task, Unit]) {
def acquire: Task[Unit] =
mvar.take
def release: Task[Unit] =
mvar.put(())
def greenLight[A](fa: Task[A]): Task[A] =
for {
_ <- acquire
a <- fa.doOnCancel(
release.onErrorHandleWith(ex => UIO(println(ex.getMessage())))
)
_ <- release
} yield a
}

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@ -21,7 +21,7 @@ import monix.reactive.Observable
final case class StoreInfo[A](
name: String,
action: A,
time: LocalDateTime = LocalDateTime.now()
time: LocalDateTime
)
object StoreInfo {
@ -68,7 +68,8 @@ object Middlewares {
Task((obs: Observable[(A, M)]) =>
obs.doOnNextF {
case (a, _) =>
logger.debug(StoreInfo(name, a))
Task(LocalDateTime.now())
.flatMap(curTime => logger.debug(StoreInfo(name, a, curTime)))
}
)
)

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@ -1,5 +1,7 @@
package nova.monadic_sfx.util.reactive
import java.time.LocalDateTime
import io.circe.Encoder
import io.odin.Logger
import monix.bio.Task
@ -72,9 +74,11 @@ object Store {
val obs = subject
.doOnNextF(action =>
logger.debug(
StoreInfo(storeName, action)
) // .executeOn(Scheduler.global)
Task(LocalDateTime.now()).flatMap(curTime =>
logger.debug(
StoreInfo(storeName, action, curTime)
)
)
)
// .doOnNextF(action => Coeval(println(action)))
.scanEvalF[Task, (A, M)](Task.pure(initialAction -> initialState))(