import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.layout.VBox;
import javafx.scene.Scene;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.scene.input.MouseEvent;
import javafx.stage.Stage;
import javafx.scene.text.Text;
import javafx.scene.control.TextField;

public class TextWrappingTest extends Application {

    static final String complextext = "The quick brown fox jumps over the lazy dog.\nWoven silk pyjamas exchanged for blue quartz?\nHave a pick: twenty six letters - no forcing a jumbled quiz!\n";
    int wrappingwidth = 0;
    Text text;
    TextField tf;

    public static void main(String[] args) {
        Application.launch(TextWrappingTest.class, args);
    }

    public void start(Stage stage) {
        VBox pane = new VBox();
        Scene scene = new Scene(pane, 500, 200);
        stage.setScene(scene);
        tf = new TextField("wrapping width");

        tf.setOnKeyPressed(new EventHandler<KeyEvent>() {
            @Override
            public void handle(KeyEvent e) {
                if (e.getCode().equals(KeyCode.ENTER)) {
                    wrappingwidth = Integer.parseInt(tf.getText());
                    System.out.println(wrappingwidth);
                    tf.setText("");
                    text.setWrappingWidth(wrappingwidth);
                }
            }
        });
        
        tf.setOnMouseClicked(new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent e) {
                tf.setText("");
            }
        });

        text = new Text(20, 30, complextext);
        text.setWrappingWidth(wrappingwidth);
        
        pane.getChildren().addAll(tf, text);
        stage.show();
    }
}