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// I am trying to complete this for my class I am taking. Can anyone assist me in completing the task a ?Newbie is struggling with.

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.util.*; // program uses class Scanner 
/**
 *
 *
 */
public class Inventory {
  
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        
 
       /*
 */

        
class Product implements Comparable {
 String itemName;    // stores the item name
 double itemNumber;  // stores the item number
 long stockQuantity; // stores the quantity in stock
 double price;   // stores the item price
 
 public Product() {
     itemName = "";
     itemNumber = 0.0;
     stockQuantity = 0L;
     price = 0.0;
 
 }
 public Product(String name, int number, long stockQuantity, double price) {
     this.itemName = name;
     this.itemNumber = number;
     this.stockQuantity = stockQuantity;
     this.price = price;
    }
 public void setItemName(String name) {
  this.itemName = itemName;
 }
 public String getItemName() {
  return itemName;
 }
 public void setItemNumber(double number) {
  this.itemNumber = itemNumber;
 }
 public double getItemNumber() {
  return itemNumber;
 }
 public void setStockQuantity(long quantity) {
  stockQuantity = quantity;
 }
 public long getStockQuantity() {
  return stockQuantity;
 }
 public void setItemPrice(double price) {
  this.price = price;
 }
 public double getItemPrice() {
  return price;
 }
 public double calculateInventoryValue() {
  return getItemPrice() * getStockQuantity();
 }
 public int compareTo (Object o) {
  Product p = (Product)o;
  return itemName.compareTo(p.getItemName());
 }
 public String toString() {
  return "Title :"+getItemName() + "\nStock Number"+itemNumber+"\nPrice"+price+"\nQuantity"+stockQuantity + "\nValue :"+calculateInventoryValue();
 }
 
}
 
class DVDTitle extends Product implements Comparable {
private String rating;
public DVDTitle() {
super(); //start constructor
rating = ""; //Add attribute
}
public DVDTitle(String itemName, int itemNumber, long stockQuantity, double price, String rating) {
super(itemName, itemNumber, stockQuantity, price); //Call the constructor in Product
this.rating = rating; //Add  attribute
    }
public void setRating(String rating) {
this.rating = rating;
}
public String getRating() {
return rating;
}
public double calculateInventoryValue() {
return getItemPrice() * getStockQuantity() + getItemPrice()*getStockQuantity()*0.05; //Had you forgotten to include the restocking fee?
}
//What happens when we want to change the restocking fee?
public double calculateRestockFee() {
return getItemPrice() * 0.05;
}
public int compareTo (Object o) {
Product p = (Product)o;
return getItemName().compareTo(p.getItemName());
}
public String toString() {
return "Name :"+getItemName() + "\nNumber"+getItemNumber()+"\nPrice"+getItemPrice()+"\nQuantity"+getStockQuantity() +"\nRating :"+getRating()+"\nValue"+calculateInventoryValue();
}

public class Inventory extends JFrame implements ActionListener {
    
}
//Utility class for displaying the picture
//If we are going to use a class/method/variable inside that class only, we declare it private in that class
private class MyPanel extends JPanel {
    ImageIcon image = new ImageIcon("dvd.gif");
    int width = image.getIconWidth();
    int height = image.getIconHeight();
    long angle = 30;
    public MyPanel(){
     super();
    }
    public void paintComponent(Graphics g){
     super.paintComponent(g);
     Graphics2D g2d = (Graphics2D)g;
     //g2d.rotate (Math.toRadians(angle), 60+width/2, 60+height/2);
     g2d.drawImage(image.getImage(), 60, 60, this);
     g2d.dispose();
    }
}//end class MyPanel
 
int currentIndex; //Currently displayed Item
Product[] supplies = new Product[4];
JLabel itemName ;
JLabel itemNumber;
JLabel rating;
JLabel quantity;
JLabel price;
JLabel fee;
JLabel totalValue;
JTextField itemNameField = new JTextField(20);
JTextField itemNumberField = new JTextField(20);
JTextField ratingField = new JTextField(20);
JTextField quantityField = new JTextField(20);
JTextField priceField = new JTextField(20);
 
JPanel display;
JPanel displayHolder;
JPanel panel;

// set inventory to accept data entry
public Inventory(){  
makeTheDataItems();
setSize(600, 500);
setTitle("Timothy's DVD Inventory Application");

//make the panels
display = new JPanel();
JPanel other = new JPanel();
JPanel picture = new MyPanel();
JPanel buttons = new JPanel();
JPanel centerPanel = new JPanel();
displayHolder = new JPanel();
display.setLayout(new GridLayout(5, 3));
other.setLayout(new GridLayout(2, 1));
//make the labels
itemName = new   JLabel("Name       :");
itemNumber = new     JLabel("Number       :");
rating = new     JLabel("Rating      :");
quantity = new JLabel("Quantity       :");
price = new  JLabel("Price       :");
fee = new      JLabel("Fee       :");
totalValue = new JLabel("Total Value       :");

//Use the utility method to make the buttons
JButton first = makeButton("First");
JButton next = makeButton("Next");
JButton previous = makeButton("Previous");
JButton last = makeButton("Last");
JButton exit = makeButton("Exit");
//Other buttons
JButton add = makeButton("Add");
 
//Add the labels to the display panel
display.add(itemName);
display.add(itemNumber);
display.add(rating);
display.add(quantity);
display.add(price);
display.add(fee);

//add the buttons to the buttonPanel
buttons.add(first);
buttons.add(previous);
buttons.add(next);
buttons.add(last);
buttons.add(exit);

//Add the picture panel and display to the centerPanel
displayHolder.add(display);
centerPanel.setLayout(new GridLayout(2, 1));
centerPanel.add(picture);
centerPanel.add(displayHolder);
other.add(buttons);
JPanel forAdd = new JPanel(); // add the other buttons to this panel
forAdd.add(add);
other.add(forAdd);
 
//Add the panels to the frame
getContentPane().add(centerPanel, "Center");
getContentPane().add(other, "South");
this.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
setVisible(true);
}
private void makeTheDataItems () {
  Product p1 = new DVDTitle("iRobot", 001, 200, 12.99, "PG-13");
  Product p2 = new DVDTitle("Jumper", 002, 50, 9.95, "PG-13");
  Product p3 = new DVDTitle("Scareface", 003, 100, 19.95, "R");
  Product p4 = new DVDTitle("Wall-E", 004, 75, 9.99, "G");
  Product p5 = new DVDtitle("Snow White", 005, 25, 7.99, "G");
  Product p6 = new DVDtitle("Snow Dogs", 005, 25, 17.99, "PG");

  supplies[0] = p1;
  supplies[1] = p2;
  supplies[2] = p3;
  supplies[3] = p4;
  supplies[4] = p5;
  supplies[5] = p6;
}
//method for creating / dressing buttons
private JButton makeButton(String label) {
JButton button = new JButton(label);
button.setActionCommand(label);
button.addActionListener(this);
return button;
}
private void addItem() {
System.out.println("eeeeeeeeee");
panel = new JPanel();
JPanel add = new JPanel();
add.setLayout(new GridLayout(2, 1));
add.setLayout(new GridLayout(4, 4));
JButton addIt = makeButton("Add Item");
JLabel itemName = new JLabel("Name       :");
//JLabel itemNumber = new JLabel("Number       :");
JLabel rating = new JLabel("Rating       :");
JLabel quantity = new JLabel("Quantity  :");
JLabel price = new JLabel("Price     :");
add.add(itemName); add.add(itemNameField);

//add.add(itemNumber); add.add(itemNumberField);
add.add(rating); add.add(ratingField);
add.add(quantity); add.add(quantityField);
add.add(price); add.add(priceField);
panel.add(add);
JPanel forAddIt = new JPanel();
forAddIt.add(addIt);
panel.add(forAddIt);
displayHolder.remove(display);
displayHolder.add(panel);

//display = panel
this.setVisible(true);
}
 
public static void main( String args[]) {
Inventory1 object = new Inventory1(); 
}
public void actionPerformed(ActionEvent event) {
String command = event.getActionCommand(); //

if(command.equals("First")) {
displayFirst();
}
else if(command.equals("Next")) {
displayNext();
}
else if(command.equals("Previous")) {
displayPrevious();
}
else if(command.equals("Last")) {
displayLast();
}
else if(command.equals("Exit")) {
this.dispose();
System.exit(0);
}
else if(command.equals("Add")) {
addItem();
}
else if(command.equals("Add Item")) {
addItemToArray();
}
 
}
private void addItemToArray() {
Product p = new DVDTitle(itemNameField.getText(), supplies.length -2, Long.parseLong(quantityField.getText()),
Double.parseDouble(priceField.getText()), ratingField.getText());

Product[] ps = new Product[supplies.length + 1];
for(int i = 0; i < ps.length-1; i++) {
ps[i] = supplies[i];
}
ps[supplies.length] = p;
supplies = ps;
displayHolder.remove(panel);
displayHolder.add(display);
displayLast();
this.setVisible(false);
this.setVisible(true);
}


private void displayItemAt(int index) {
DVDTitle product = (DVDTitle)supplies[index];
itemName.setText("Item Name: "+ product.getItemName());
itemNumber.setText("Item Number: "+ product.getItemNumber());
rating.setText("Rating: "+ product.getRating());
quantity.setText("Quantity In Stock: "+ product.getStockQuantity());
price.setText("Item Price: "+ product.getItemPrice());
totalValue.setText("Total: " + product.calculateInventoryValue());
fee.setText("Fee :"+product.calculateRestockFee());
this.setVisible(true);
}
public void displayFirst() {
displayItemAt(0);
currentIndex = 0;
}
public void displayNext() {
if(currentIndex == supplies.length-1) {
displayFirst();
currentIndex = 0;
}
else {
displayItemAt(currentIndex + 1);
currentIndex++;
}
}
public void displayPrevious() {
if(currentIndex == 0) {
displayLast();
currentIndex = supplies.length-1;
}
else {
displayItemAt(currentIndex - 1);
currentIndex--;
}
}
public void displayLast() {
displayItemAt(supplies.length-1);
currentIndex = supplies.length-1;
}
}//end
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Last Post by Ezzaral
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What is your question about it? Surely you don't expect us to just fix the code for you based on how we think it should work?

Post specific questions or errors that you are receiving.

This topic has been dead for over six months. Start a new discussion instead.
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