CODEWITHSUNDEEP
javajavafx
Miljan Rakita
Miljan Rakita

Reputation: 1533

How to make method which will handle events?

public void start(Stage primaryStage) throws Exception {
    // TODO Auto-generated method stub

    Pane p = new Pane();
    p.setPrefSize(400, 300);
    Button btn = new Button("Submit");
    btn.relocate(10, 10);

    TextField tf = new TextField();
    tf.relocate(10, 40);

    btn.setOnAction(new EventHandler<ActionEvent>() {
        @Override
        public void handle(ActionEvent event) {
            text = tf.getText();
            System.out.println(text);
        }
    });

    btn.setOnKeyPressed(new EventHandler<KeyEvent>() {
        @Override
        public void handle(KeyEvent event) {
            if(event.getCode().equals(KeyCode.ENTER))
                text = tf.getText();

            System.out.println(text);
        }
    });

    p.getChildren().addAll(btn,tf);
    Scene sc = new Scene(p);
    primaryStage.setScene(sc);
    primaryStage.show();
}

Here is my code. As you can see i have two EventHandlers. One which check if enter is pressed and the other one which check if button is pressed. My goal is to make one method and whenever one of these two EventHandlers activate it takes input from TextFields.

In this example i have only one TextField but in my application i have plenty of them so if i do the same thing in two EventHandlers i will double my code. I guess there is option to make method which will do that for me.

Upvotes: 0

Views: 48

Answers (1)

OneCricketeer
OneCricketeer

Reputation: 191983

My goal is to make one method and whenever one of these two EventHandlers activate it takes input from TextFields.

In this example i have only one TextField but in my application i have plenty of them

If the goal is a method, then make a method. If you have many text fields and want to do a similar action for them in any handle method, then use a parameter.

public void printTextField(TextField tf)
{
    System.out.println(tf.getText());
}

Anywhere in your code, (e.g. In the event handlers) you can now call

printTextField(tf);

Upvotes: 1

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