tornadofx-guide

5. Data Controls
val greekLetters = listOf("Alpha","Beta",
"Gamma","Delta","Epsilon").observable()
listview(greekLetters) {
}
selectionModel.selectionMode = SelectionMode.MULTIPLE
Like most data controls, keep in mind that by default the ListView will call toString() to
render the text for each item in your domain class. To render anything else, you will need to
create your own custom cell formatting.
To read about custom cell formatting and nodes for a ListView , read Appendix A3 -
Custom Cell Formatting in ListView
TableView
Probably one of the most significant builders in TornadoFX is the one for TableView . If you
have worked with JavaFX, you might have experienced building a TableView in an objectoriented
way. But TornadoFX provides a functional declaration construct pattern using
extension functions that greatly simplify the coding of a TableView .
Say you have a domain type, such as Person .
class Person(val id: Int, val name: String, val birthday: LocalDate) {
}
val age: Int get() = Period.between(birthday, LocalDate.now()).years
Take several instances of Person and put them in an ObservableList .
private val persons = listOf(
Person(1,"Samantha Stuart",LocalDate.of(1981,12,4)),
Person(2,"Tom Marks",LocalDate.of(2001,1,23)),
Person(3,"Stuart Gills",LocalDate.of(1989,5,23)),
Person(3,"Nicole Williams",LocalDate.of(1998,8,11))
).observable()
You can quickly declare a TableView with all of its columns using a functional construct, and
specify the items property to an ObservableList (Figure 5.3).
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