Form 7 - Update client values after changes on server side

val randomSeed: F7IntField = new F7IntField().step(1).label("Random seed").doSyncToServerOnChange

val textField = new F7StringField().label("Text field example").dependsOn(randomSeed)
val textFieldInInputGroup = new F7StringField().label("Text field in input group example").dependsOn(randomSeed)
val textFieldInputGroup = new F7BSFormInputGroup()(F7HtmlField.label("Field:"), textFieldInInputGroup)
val textareaField = new F7StringTextareaField().label("Textarea field example").dependsOn(randomSeed)
val textareaFieldInInputGroup = new F7StringTextareaField().label("Textarea field in input group example").dependsOn(randomSeed)
val textareaFieldInputGroup = new F7BSFormInputGroup()(F7HtmlField.label("Field:"), textareaFieldInInputGroup)
val checkboxField = new F7CheckboxField().label("Checkbox field example").dependsOn(randomSeed)
val checkboxFieldInInputGroup = new F7CheckboxField().label("Checkbox field in input group example").dependsOn(randomSeed)
val checkboxFieldInputGroup = new F7BSFormInputGroup()(F7HtmlField.label("Field:"), checkboxFieldInInputGroup)
val selectField = new F7SelectField[String](() => Fruit()).label("Select field example").dependsOn(randomSeed)
val selectFieldInInputGroup = new F7SelectField[String](() => Fruit()).label("Select field in input group example").dependsOn(randomSeed)
val selectFieldInputGroup = new F7BSFormInputGroup()(F7HtmlField.label("Field:"), selectFieldInInputGroup)
val multiSelectField = new F7MultiSelectField[String]().options(Continents()).label("Multi-select field example").dependsOn(randomSeed)
val multiSelectFieldInInputGroup = new F7MultiSelectField[String]().options(Continents()).label("Multi-select field in input group example").dependsOn(randomSeed)
val multiSelectFieldInputGroup = new F7BSFormInputGroup()(F7HtmlField.label("Field:"), multiSelectFieldInInputGroup)
val radioField = new F7RadioField[String](() => Continents()).label("Radio field example").dependsOn(randomSeed)

def setValues(seed: Int): Unit = {
  val rand = new Random(randomSeed.currentValue)
  textField.currentValue = (1 to 8).map(_ => rand.nextPrintableChar()).mkString
  textFieldInInputGroup.currentValue = textField.currentValue
  textareaField.currentValue = (1 to 5).map(_ => (1 to 6).map(_ => rand.nextPrintableChar()).mkString).mkString(" ")
  textareaFieldInInputGroup.currentValue = textareaField.currentValue
  checkboxField.currentValue = rand.nextBoolean()
  checkboxFieldInInputGroup.currentValue = checkboxField.currentValue
  selectField.currentValue = Fruit()(rand.nextInt(Fruit().size))
  selectFieldInInputGroup.currentValue = selectField.currentValue
  multiSelectField.currentValue = Continents().filter(_ => rand.nextBoolean()).toSet
  multiSelectFieldInInputGroup.currentValue = multiSelectField.currentValue
  radioField.currentValue = Continents()(rand.nextInt(Continents().size))
}

randomSeed.addOnThisFieldChanged(f => {
  setValues(f.currentValue)
  JS.void
})

div.border.p_2.rounded.apply {
  new DefaultForm7() {

    validateBeforeUserInput()

    setValues(randomSeed.currentValue)

    override lazy val rootField: F7Field = F7VerticalField()(
      randomSeed,
      new F7ContainerField("row")("col" -> textField, "col" -> textFieldInputGroup),
      new F7ContainerField("row")("col" -> checkboxField, "col" -> checkboxFieldInputGroup),
      new F7ContainerField("row")("col" -> selectField, "col" -> selectFieldInputGroup),
      new F7ContainerField("row")("col" -> textareaField, "col" -> textareaFieldInputGroup),
      new F7ContainerField("row")("col" -> multiSelectField, "col" -> multiSelectFieldInputGroup),
      new F7ContainerField("row")("col" -> radioField),
      new F7SubmitButtonField(implicit fsc => BSBtn().BtnPrimary.lbl("Submit").btn.d_block.w_100),
    )

    override def postSubmitForm()(implicit fsc: FSContext): Js =
      BSToast2.VerySimple(label.apply("Submitted"))(div.my_1.apply("You submitted the form")).installAndShow()
  }.render()
}