Question

Lab Chapter 12 Vinnie's Auto Shop performs the following routine maintenance services: • Oil change: $35.00 • Lube job: $25 • Battery replacement: $80 • Tire rotation: $20 Vinnie also performs other nonroutine services and charges for parts and for labor ($60 per hour). Using JavaFX, create a GUI application that buttons for the above list of services and textfields/buttons for parts and labor. As the user selects buttons, a total amount is to be displayed Grading Criteria

Answer 1

VinnieAutoShopFXML.fxml

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

<?import javafx.scene.control.Button?>
<?import javafx.scene.control.CheckBox?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.Separator?>
<?import javafx.scene.control.TextField?>
<?import javafx.scene.layout.AnchorPane?>
<?import javafx.scene.text.Font?>

<AnchorPane id="AnchorPane" prefHeight="356.0" prefWidth="220.0" xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/8.0.171" fx:controller="VinnieMotorParts.VinnieAutoShopFXMLController">
<children>
<Label layoutX="10.0" layoutY="14.0" text="Routine Services">
<font>
<Font name="System Bold" size="12.0" />
</font>
</Label>
<Label layoutX="10.0" layoutY="167.0" text="Non-routine Services">
<font>
<Font name="System Bold" size="12.0" />
</font>
</Label>
<CheckBox fx:id="oilChangeCB" layoutX="24.0" layoutY="42.0" mnemonicParsing="false" text="Oil Change: $35" />
<CheckBox fx:id="lubeJobCB" layoutX="24.0" layoutY="69.0" mnemonicParsing="false" text="Lube Job: $25" />
<CheckBox fx:id="batteryCB" layoutX="24.0" layoutY="96.0" mnemonicParsing="false" text="Battery Replacement: $80" />
<CheckBox fx:id="tireCB" layoutX="24.0" layoutY="123.0" mnemonicParsing="false" text="Tire Rotation: $20" />
<Separator layoutX="10.0" layoutY="155.0" prefWidth="200.0" />
<Label layoutX="10.0" layoutY="200.0" text="Hours for parts?" />
<TextField fx:id="hrsPartsField" layoutX="110.0" layoutY="196.0" prefHeight="25.0" prefWidth="94.0" />
<Button fx:id="calculateButton" layoutX="59.0" layoutY="278.0" mnemonicParsing="false" prefHeight="25.0" prefWidth="94.0" text="Calculate" />
<Label layoutX="13.0" layoutY="322.0" text="Total Cost" />
<TextField fx:id="totalCostField" editable="false" layoutX="113.0" layoutY="318.0" prefHeight="25.0" prefWidth="94.0" />
<Separator layoutX="10.0" layoutY="264.0" prefWidth="200.0" />
<Label layoutX="10.0" layoutY="232.0" text="Hours for labor?" />
<TextField fx:id="hrsLaborField" layoutX="110.0" layoutY="228.0" prefHeight="25.0" prefWidth="94.0" />
</children>
</AnchorPane>

VinnieAutoShopFXMLController.java

import java.net.URL;
import java.util.ResourceBundle;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Button;
import javafx.scene.control.CheckBox;
import javafx.scene.control.TextField;
import javax.swing.JOptionPane;

public class VinnieAutoShopFXMLController implements Initializable {

@FXML
private CheckBox oilChangeCB;
@FXML
private CheckBox lubeJobCB;
@FXML
private CheckBox batteryCB;
@FXML
private CheckBox tireCB;
@FXML
private Button calculateButton;
@FXML
private TextField totalCostField;
@FXML
private TextField hrsPartsField;
@FXML
private TextField hrsLaborField;
  
private static final double OIL_CHANGE = 35;
private static final double LUBE_JOB = 25;
private static final double BATTERY_REPLACE = 80;
private static final double TIRE_ROTATION = 20;
private static final double PER_HOUR = 60;
  
public void calculateButtonAction()
{
calculateButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent t) {
if(hrsPartsField.getText().equals("") || hrsLaborField.getText().equals(""))
{
JOptionPane.showMessageDialog(null, "Please enter values for the parts and labor.");
return;
}
  
double oilChange = 0.0, lubeJob = 0.0, batteryReplace = 0.0, tireRotation = 0.0;
if(oilChangeCB.isSelected())
oilChange = OIL_CHANGE;
if(lubeJobCB.isSelected())
lubeJob = LUBE_JOB;
if(batteryCB.isSelected())
batteryReplace = BATTERY_REPLACE;
if(tireCB.isSelected())
tireRotation = TIRE_ROTATION;
  
double hrsParts = Double.parseDouble(hrsPartsField.getText().trim());
double hrsLabor = Double.parseDouble(hrsLaborField.getText().trim());
  
double totalCost = (oilChange + lubeJob + batteryReplace + tireRotation) +
(hrsParts * PER_HOUR) + (hrsLabor * PER_HOUR);
  
totalCostField.setText(String.format("%,.2f", totalCost));
}
});
}
  
@Override
public void initialize(URL url, ResourceBundle rb) {
calculateButtonAction();
}
}

VinnieAutoShop.java (Main class)

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

public class VinnieAutoShop extends Application{

@Override
public void start(Stage stage) throws Exception {
Parent root = FXMLLoader.load(getClass().getResource("VinnieAutoShopFXML.fxml"));
Scene scene = new Scene(root);
stage.setTitle("Vinni's Auto Shop");
stage.setScene(scene);
stage.show();
}
  
public static void main(String[] args) {
launch(args);
}
}

*********************************************************** SCREENSHOT *****************************************************

Vinni's... - O X Routine Services ✓ Oil Change: $35 Lube Job: $25 ✓ Battery Replacement: $80 Tire Rotation: $20 Non-routine Services Hours for parts? 4.5 Hours for labor? Calculate Total Cost 505.00