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JavaFX – Filtered ComboBox

As far as the filtering of the drop down is concerned. Isn’t wrapping the list of possible options in a FilteredList the best solution? MCVE: import javafx.application.Application; import javafx.application.Platform; import javafx.collections.FXCollections; import javafx.collections.ObservableList; import javafx.collections.transformation.FilteredList; import javafx.scene.Scene; import javafx.scene.control.ComboBox; import javafx.scene.control.TextField; import javafx.scene.layout.HBox; import javafx.stage.Stage; public class MCVE extends Application { public void start(Stage stage) … Read more

How do you use a JavaFX TableView with java records?

Solution Use a lambda cell value factory instead of a PropertyValueFactory. For some explanation of the difference between the two, see: Java: setCellValuefactory; Lambda vs. PropertyValueFactory; advantages/disadvantages Why this works The issue, as you note, is that record accessors don’t follow standard java bean property naming conventions, which is what the PropertyValueFactory expects. For example, … Read more

How can I open the default system browser from a java fx application?

Use hostServices.showDocument(location). Try placing the following code in your application’s start method: getHostServices().showDocument(“http://www.yahoo.com”);

can not resolve symbol “javafx.scene.web”

This is one way to do it: Create a new JavaFX project. Edit pom.xml. Add a dependency on javafx-web. Use the same version as the rest of the JavaFX dependencies in that file. Hit the refresh icon in the maven window to re-synchronize the Maven project with the IDE project. Edit module-info.java. Add the line … Read more

TableView doesn’t commit values on focus lost event

I got curious and did some background research. You are facing the problem of a well-known bug in the JavaFX. Background When you call commitEdit(textField.getText()), the first thing it does is to check the value of isEditing() and returns if the value is false, without committing. public void commitEdit(T newValue) { if (! isEditing()) return; … Read more

How to use PauseTransition method in JavaFX?

How to use a PauseTransition A PauseTransition is for a one off pause. The following sample will update the text of a label after a one second pause: label.setText(“Started”); PauseTransition pause = new PauseTransition(Duration.seconds(1)); pause.setOnFinished(event -> label.setText(“Finished: 1 second elapsed”); ); pause.play(); Why a PauseTransition may not be the best answer for you According to … Read more

running JavaFX application after jpackage

The JavaFX JARs included with the JavaFX SDK do not include the native code. Instead, said code is in the bin directory. That means your custom runtime image created by jlink does not have the necessary native code to run JavaFX. You have two options: Download the JMOD files from Gluon and use those when … Read more

FXMLLoader getController returns NULL?

Change this @FXML public void editPerson() { try { FXMLLoader loader = new FXMLLoader(getClass().getResource( “PersonEditor.fxml”)); PersonEditorCtrl ctrl = loader.getController(); ctrl.init(table.getSelectionModel().getSelectedItem()); Parent root = (Parent) loader.load(); Scene newScene = new Scene(root); Stage newStage = new Stage(); newStage.setScene(newScene); newStage.show(); } catch (Exception e) { e.printStackTrace(); } } To that: @FXML public void editPerson() { try { FXMLLoader … Read more

JavaFX : Pass parameters while instantiating controller class

The two easiest ways of doing it for small applications are : Do not specify the fx:controller in the fxml. Create a controller instance by passing data to it and then pass it to the FXMLLoader. Specify the fx:controller in the fxml. Fetch the controller instance from the FXMLLoader and pass the data to the … Read more

How to return value from a stage before closing it?

Here is a possible example. The structure is the same as in the answer in my comment. The second Stage is opened through a “controller” that is stores the data that should be returned even when the Stage is closed and exposes a getter to be used to retrieve the value from the outer world. … Read more