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  1. JDK
  2. JDK-8279640

ListView with null SelectionModel/FocusModel throws NPE

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    • Subcomponent:
    • Understanding:
      Fix Understood
    • CPU:
      generic
    • OS:
      generic

      Description

      When a null SelectionModel/FocusModel is set in a ListView, it will throw NPEs on various different actions,
      e.g. on clicking on a ListCell with a null SelectionModel or pressing space with a null FocusModel and more

      Example: Click on the first ListCell or press SPACE.
      ### SOURCE START ###
      import javafx.application.Application;
      import javafx.scene.Scene;
      import javafx.scene.control.ListView;
      import javafx.scene.layout.BorderPane;
      import javafx.stage.Stage;

      public class FXBug extends Application {

          public static void main(final String[] args) {
              launch(args);
          }

          @Override
          public void start(final Stage primaryStage) {
              ListView<String> listView = new ListView<>();
              listView.getItems().addAll("ABC", "DEF");

              listView.setFocusModel(null);
              listView.setSelectionModel(null);
              BorderPane root = new BorderPane(listView);

              final Scene scene = new Scene(root);
              primaryStage.setScene(scene);
              primaryStage.show();
          }
      }
      ### SOURCE END ###

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              Assignee:
              mhanl Marius Hanl
              Reporter:
              mhanl Marius Hanl
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                Dates

                Created:
                Updated: