Question

A javafx gui that's meant to work like a shopping cart, which has 3 books how did this happen 12.99, will benelli, 14.99, and where do I go, 10.99, you can remove from cart, clear cart, or checkout, and it should have a receipt of what you purchased. I am using eclipse, thanks.

Answer 1

Main.java

package sample;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Application;
import static javafx.application.Application.launch;
import javafx.beans.value.ChangeListener;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.image.ImageView;
import javafx.scene.layout.FlowPane;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

public class Main extends Application {


    @Override
    public void start(Stage primaryStage) {
//        Button btn = new Button();
//        btn.setText("Say 'Hello World'");
//        btn.setOnAction(new EventHandler<ActionEvent>() {
//
//            @Override
//            public void handle(ActionEvent event) {
//                System.out.println("Hello World!");
//            }
//        });
        primaryStage.setTitle("Shopping cart App");


        FlowPane rootNode = new FlowPane();
        FlowPane list_items = new FlowPane();
        FlowPane list_items1 = new FlowPane();
        FlowPane check_pane = new FlowPane();







        rootNode.setVgap(10);
        list_items.setVgap(10);
        list_items.setHgap(85);
        list_items1.setVgap(10);
        list_items1.setHgap(10);
        check_pane.setHgap(10);


        rootNode.setPadding(new Insets(10, 10, 10, 10));


        Label items_pick = new Label("Items to pick:");
        Label your_cart = new Label("Your shopping cart:");
        Label result = new Label("");

        ListView<Product> listView = new ListView<>();
        Product Apple = new Product("Apple",5);
        Product Pumpkin = new Product("Pumpkin",15);
        Product Orange = new Product("Orange",10);
        Product Banana = new Product("Banana",12);
        Product Pear = new Product("Pear",25);

        listView.getItems().addAll(Apple,Pumpkin,Orange,Banana,Pear);
        listView.setPrefHeight(120);
        listView.setPrefWidth(100);


        Button add = new Button("Add");
        Button remove = new Button("Remove");
        Button checkout = new Button("Checkout");

        ListView<Product> cartView = new ListView<>();
        cartView.setPrefHeight(120);
        cartView.setPrefWidth(100); // sporno ako dobavish poveche ot 5

        add.setOnAction((ActionEvent event) -> {
            cartView.getItems().add(listView.getSelectionModel().getSelectedItem());
        });
        remove.setOnAction((ActionEvent event) -> {
            final int selectedIdx = cartView.getSelectionModel().getSelectedIndex();
            cartView.getItems().remove(selectedIdx);
        });
        checkout.setOnAction((ActionEvent event) -> {
            ObservableList<Product> res = cartView.getItems();
            double result_price = 0;
            for (Product tabPane : res){
                result_price += tabPane.getValue();
            }
            result.setText("Total price: " + result_price);
        });





        list_items.getChildren().addAll(items_pick,your_cart);
        list_items1.getChildren().addAll(listView,add,cartView,remove);
        check_pane.getChildren().addAll(checkout,result);



        //list_items.setAlignment(Pos.CENTER);


        rootNode.getChildren().addAll(list_items,list_items1,check_pane);



        Scene myScene = new Scene(rootNode,400,300



        primaryStage.setScene(myScene);
        primaryStage.show();

    }

    /**
      command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }

}

Product.java

package sample;

public class Product {
    String name;
    double price;
    Product(String name, double price){
        this.name = name;
        this.price = price;
    }
    public String toString(){
        return this.name + " - " + this.price;
    }
    double getValue(){
        return this.price;
    }
}

Hope This will help You .