Please use javafx package, thank you (4) A GUI Define a class called AlarmApp th

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Question

Please use javafx package, thank you

(4) A GUI Define a class called AlarmApp that creates the following window by laying the components out manually using relocate() and setPrefSize0 Alarm App Time 01-54 16 PM 00:00:00 10-30.00 AM Select Alarm New Alarm Delete ON / OFF Note that the GUI MUST contain the following . a white background Pane (l.e., " -Ex-background-color: white:) three inner Pane objects with borders (ie., x-background-color: white -x-border-color: gray: x-padding: ) Labels on those bordered panes (ie., x-background-color: white:-x-ceanslate-y: -:- ex-translate-x: 10 " a large (eg. 48px or anything reasonable) system font Label with a dark green color in the . right-aligned TextFields in the Current Time and Alarm Time panes with the given times shown. Remaining Time" pane, a ComboBox with prompt text "Select Alarm and it should contain 3 entries: Weekday Saturday and "Sunday. and two RadioButtons belonging to the same ToggleGroup . The dimensions of everything is as follows: 10 200 10 200 0 Alarm App Remaining Hme 10 10 Earent ime (22,20) 48pt System font 00:00:00 190 25 01:54:16 PM 90 25 10:30:00 AM 40 10 10 Select Alarm 10 -10 New Alarm Delete OONOFF 30 10 10 100 20' 50 80 50 10 10

Explanation / Answer

Alaram.java

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;

public class Alarm extends Application {

@Override
public void start(Stage stage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource("MainWindow.fxml"));
Scene scene = new Scene(root);

stage.setScene(scene);
stage.setResizable(false);
stage.setTitle("Alarm Application - Hassan Althaf");

stage.show();
}

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

MainView.java

import java.net.URL;
import java.util.ResourceBundle;
import java.util.Timer;
import java.util.TimerTask;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Alert;
import javafx.scene.control.Alert.AlertType;
import javafx.scene.control.TextField;

public class MainView implements Initializable {

@FXML
private TextField hoursField;

@FXML
private TextField minutesField;

@FXML
private TextField secondsField;

private final AlarmController alarmController;
private Timer timer;
private boolean timerOn = false;
private boolean alarmPlayed = false;
private boolean timerValidation = true;

@FXML
private void startAlarm(ActionEvent event) {
if(!timerOn) {
this.alarmPlayed = false;
this.timerValidation = true;

String hoursString = this.hoursField.getText();
String minutesString = this.minutesField.getText();
String secondsString = this.secondsField.getText();

if(hoursString.equals("")) {
hoursString = "0";
}

if(minutesString.equals("")) {
minutesString = "0";
}

if(secondsString.equals("")) {
secondsString = "0";
}

int hours = 0;
int minutes = 0;
int seconds = 0;

try {
hours = Integer.parseInt(hoursString);
minutes = Integer.parseInt(minutesString);
seconds = Integer.parseInt(secondsString);
} catch(Exception ex) {
this.timerValidation = false;
this.showWarning("Please enter a number only for the times!", "Invalid input received");
}

int totalTime = seconds + (minutes * 60) + (hours * 3600);

if(totalTime == 0) {
this.timerValidation = false;
this.showWarning("Please set a time for the alarm before starting!", "Time not found!");
}

if(this.timerValidation) {
TimerTask task = new TimerTask() {
private final int ALARM_TIME = totalTime;
private int secondCounter = 0;

@Override
public void run()
{
if(secondCounter < ALARM_TIME) {
secondCounter++;
} else {
if(timerOn) {
alarmController.playAlarm();
alarmPlayed = true;
}
timerOn = false;
cancel();
}
}
};

this.timer = new Timer();
this.timer.schedule(task, 0, 1000);

this.timerOn = true;
}
} else {
this.showWarning("An alarm is already running at the moment! If you wish to override the current alarm, please stop it first!", "Cannot override current alarm.");
}
}

public void showWarning(String message, String title) {
Alert alert = new Alert(AlertType.WARNING);
alert.setTitle(title);
alert.setHeaderText(null);
alert.setContentText(message);
alert.showAndWait();
}

@FXML
private void stopAlarm(ActionEvent event) {
if(this.timerOn) {
this.timer.cancel();
this.timer.purge();
this.timerOn = false;
}
if(this.alarmPlayed) {
this.alarmController.stopAlarm();
this.alarmPlayed = false;
}
}

public MainView() {
this.alarmController = new AlarmController();
}

@Override
public void initialize(URL url, ResourceBundle rb) {

}
}

MainWindow.fxml

<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.scene.text.*?>
<?import java.lang.*?>
<?import java.util.*?>
<?import javafx.scene.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>

AlarmController.java

import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;

public class AlarmController {
private MediaPlayer mediaPlayer;

public void playAlarm()
{
Media media = new Media(getClass().getResource("alarm.mp3").toString());
this.mediaPlayer = new MediaPlayer(media);
this.mediaPlayer.play();
}

public void stopAlarm()
{
this.mediaPlayer.stop();
}
}

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