Using SceneBuilder to Create a User Interface - JavaFX 8: A Definitive Guide to Building Desktop, Mobile, and Embedded Java Clients

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where T is the appropriate event object, MouseEvent for the onMouseDragged and onMousePressed event handlers, and

ActionEvent for the onAction event handlers. A method that does not take any arguments can also be set as event

handler methods. You can use such a method if you do not plan to use the event object.

Now that we understand the FXML file, we move on to the controller class next.

Understanding the Controller

Listing 3-2 shows the controller class that works with the FXML file we created in the last subsection.

Listing 3-2. StageCoachController.java

package projavafx.stagecoach.ui;

import javafx.beans.property.SimpleStringProperty;

import javafx.beans.property.StringProperty;

import javafx.event.ActionEvent;

import javafx.fxml.FXML;

import javafx.scene.control.Button;

import javafx.scene.control.CheckBox;

import javafx.scene.control.Label;

import javafx.scene.control.TextField;

import javafx.scene.input.MouseEvent;

import javafx.scene.layout.HBox;

import javafx.scene.layout.VBox;

import javafx.scene.shape.Rectangle;

import javafx.scene.text.Text;

import javafx.stage.Stage;

import javafx.stage.StageStyle;

public class StageCoachController {

@FXML

private Rectangle blue;

@FXML

private VBox contentBox;

@FXML

private Text textStageX;

@FXML

private Text textStageY;

@FXML

private Text textStageH;

@FXML

private Text textStageW;

@FXML

private Text textStageF;

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