我正在使用TornadoFX 1.7.5,我似乎無法獲得綁定屬性的工作。我有以下ItemViewModels綁定的屬性不起作用
class DynamicMenuViewModel : ItemViewModel<DynamicMenu>(DynamicMenu()) {
val title = bind { item?.title?.toProperty() }
val isBold = bind { item?.isBold?.toProperty() }
val routes = bind { item?.routes?.toProperty() }
}
data class DynamicMenu(var title: String = "", var isBold: Boolean = false, var routes: MutableList<MenuRouteViewModel> = mutableListOf())
class MenuRouteViewModel : ItemViewModel<MenuRoute>(MenuRoute()) {
val url = bind { item?.url?.toProperty() }
val title = bind { item?.title?.toProperty() }
val isBold = bind { item?.isBold?.toProperty() }
val showNew = bind { item?.showNew?.toProperty() }
}
data class MenuRoute(var url: String = "", var title: String = "", var showNew: Boolean = false, var isBold: Boolean = false)
這必將是這樣的:
//routesController.dynamicMenu is an instance of DynamicMenuViewModel()
textfield(property = routesController.dynamicMenu.title) {
prefWidth = formWidth * .5
gridpaneConstraints {
columnRowIndex(0, 1)
marginLeft = 10.0
columnSpan = 2
marginBottom = 20.0
}
}
checkbox(property = routesController.dynamicMenu.isBold){
gridpaneConstraints {
columnRowIndex(2, 1)
marginLeft = 15.0
marginBottom = 20.0
}
}
然後以下功能提交模型,並將它們打印在屏幕上,當我點擊一個按鈕:
fun onClick(){
commitModel()
println(dynamicMenu.item.toString())
dynamicMenu.item.routes.forEach {
println(it.item.toString())
}
}
fun commitModel(){
dynamicMenu.item.routes.forEach {
it.commit()
}
dynamicMenu.commit()
}
問題是,當我運行該程序並編輯文本框和複選框,然後單擊運行onClick()
的按鈕,該支持項似乎沒有得到更新d。所以沒有更新的值被打印到控制檯。
我在這裏做錯了什麼?