import javafx.application.Application;
import javafx.geometry.VPos;
import javafx.scene.Scene;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.scene.Group;
import javafx.scene.shape.PathElement;
import javafx.scene.shape.Path;

public class BrokenSelection extends Application {

    public static Path textSelection(final Text text, int startSelection, int endSelection) {
        text.setImpl_selectionStart(startSelection);
        text.setImpl_selectionEnd(endSelection);
        PathElement[] selectElements = text.getImpl_selectionShape();

        Path selectPath = new Path();
        selectPath.getElements().addAll(selectElements);
        return selectPath;
    }

    @Override
    public void start(Stage stage) {
        stage.setWidth(400);
        stage.setHeight(600);

        Scene scene = new Scene(new Group());
        Group group = (Group) scene.getRoot();

        Text text = new Text("The quick brown fox jumps over the lazy dog.  Woven silk pyjamas exchanged for blue quartz?");

        text.setTextOrigin(VPos.TOP);
        text.setWrappingWidth(200);

        // Text selection test
        group.getChildren().add(textSelection(text, 1, 55));
        group.getChildren().addAll(text);

        stage.setScene(scene);
        stage.show();
    }

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