I’m assuming you want this to happen when the user presses enter only while the TextField has focus. You’ll want use KeyEvent out of javafx.scene.input package and do something like this: field.setOnKeyPressed(new EventHandler<KeyEvent>() { @Override public void handle(KeyEvent ke) { if (ke.getCode().equals(KeyCode.ENTER)) { doSomething(); } } }); Using lambda: field.setOnKeyPressed( event -> { if( event.getCode() … Read more
I wrote this controller to keep track of the different scenegraphes. public class ScreenController { private HashMap<String, Pane> screenMap = new HashMap<>(); private Scene main; public ScreenController(Scene main) { this.main = main; } protected void addScreen(String name, Pane pane){ screenMap.put(name, pane); } protected void removeScreen(String name){ screenMap.remove(name); } protected void activate(String name){ main.setRoot( screenMap.get(name) ); … Read more
ComboBox supports a cellFactory which allows essentially an arbitrary UI for displaying the item in each cell. ChoiceBox does not have this functionality and will only display text in each cell (which you can configure using a converter). See http://docs.oracle.com/javase/8/javafx/user-interface-tutorial/combo-box.htm#BABJCCIB listing 16.5 for an example of a custom cell factory in a combo box.
In general: Create a desired EventType. Create the corresponding Event. Call Node.fireEvent(). Add Handlers and/or Filters for EventTypes of interest. Some explanations: If you want to create an event cascade, start with an “All” or “Any” type, that will be the root of all of the EventTypes: EventType<MyEvent> OPTIONS_ALL = new EventType<>(“OPTIONS_ALL”); This makes possible … Read more
The code samples you provided are not equivalent: an object declaration in Kotlin is a singleton, so it only has one instance constructed by calling the private constructor when the class is initialized. JavaFX is trying to call the constructor of the class reflectively but fails because the constructor is private as it should be. … Read more
Okay.. so here I am searching for the solution for this weird problem! Seeing none of the other answers working for me, I did the random most thing I could think of and it worked. Open SceneBuilder (a brand new one). Go to File > Open Recent > Clear Menu. Close Scene Builder. Now the … Read more
Yes you can. But unfortunately all ControlsFX controls are not supported by scene builder. An issue titled, “All controls should be supported by SceneBuilder” is currently opened with the ControlsFX team. Update Since SceneBuilder 8.2.0 you can directly search for an artifact from SceneBuilder and include them using the brand new Library Manager \o/ To … Read more
You can style your dialogs with your own css file, but for that you need to take into consideration that the dialog is in fact a new stage, with a new scene, and the root node is a DialogPane instance. So once you create some dialog instance: @Override public void start(Stage primaryStage) { Alert alert … Read more
Use the promptText property (see ref).
If you are just measuring the default font without CSS: Place the String to be measured in a Text object. Get the width of the Text object’s layout bounds. If you need to apply CSS: Place the String to be measured in a Text object. Create a throwaway Scene and place the Text object in … Read more