*
*/

package InventoryProgram;

/** Inventory Program
* IT 215
* @author Tammy
* June 21, 2008
*/
public class Product {

    // Private variables
    private String name;
    private int quantity;
    private double price;
    private int productid = 0;
    
    //Default constructor uses other constructor to set the default state of the object.
    public Product() {
        this (0, "Unknown", 0, 0.00);
        
    }
public static void main(String[] args) {
      
    }

    //Constructor for user to specify a name, quantity, and price, for the items.
    public Product (int productId, String itemname, int quantityOnHand, double itemprice) {
        productid = productId;
        
        setName (itemname);
        setQuantityOnHand (quantityOnHand);
        setPrice (itemprice);
        
    }
    
  
    
    //Changes state of the object
    public void setName(String itemname) {
        name = itemname;
        
    }

    //Sets price of product and if negative, defaults to zero
    public void setQuantityOnHand (int quantityOnHand) {
        if (quantityOnHand > 0) {
            quantity = quantityOnHand;
        }
        else {quantity = 0;}
    }
    
    //Set price of a product and defaults to zero if negative
    public void setPrice (double itemPrice) {
        if (itemPrice > 0.00) {
            price = itemPrice;
        }
        else {price = 0.00;}
    }
    
    //Get product name
    public String getName() {
        return name;
    }
    
    public int getQuantityOnHand() {
        return quantity;
    }
    
    public double getPrice() {
        return price;
    }
    
    //Calculate the value of stock on particular item
    public double getItemValue() {
        return (price * (double)quantity);
    }
    //String representing product
    @Override
    public String toString () {
        return name + " - " + price;
        
        
  
        }
    }

* @author Tammy
*/
public class DVD extends Product {
    
    //Holds year movie was made
    private int movieyear;
    
//Constructor calls constructor of Product first, passing its values to the base class to initialize before setting the instance (year) variable
public DVD(int productId, String itemname, int quantityOnHand, double itemprice, int year) {
    //Pass on values needed for creating Product class first
    super(productId, itemname, quantityOnHand, itemprice);
    movieyear = year;
    
}

    DVD(String item, String string0, String string1, int i, int i0, double d) {
        throw new UnsupportedOperationException("Not yet implemented");
    }

//Set year manually
public void setYear (int year) {
    movieyear = year;
    
}    

//Get the year of the DVD
public int getYear() {
    return movieyear;
    
}

//Overrides getItemValue in Product class by calling the base class version and adding a 5% restocking fee
    @Override
public double getItemValue() {
    return super.getItemValue() * 1.05;
    
}

//Gets base class values and figures out the 5% fee
public double getRestockingFee() {
    return super.getItemValue() * .05;
  
}
}

import java.text.DecimalFormat; //Import the format class to format values into currency

public class Inventory {
    
    //Set up an array of Products to hold 30 items
    int inventorySize = 30;
    private Product items[] = new Product[inventorySize];
    
    //Set formatter to format values into currency
static DecimalFormat formatter = new DecimalFormat ("$##,###.00");

    public static void main (String args[]) {
        DVD[] library = new DVD[4];
        
        library[0] = new DVD("1", "Hurricane Charley", "2004", 101, 3, 16.95);
        library[1] = new DVD("2", "Eight Legged Freaks", "2002", 102, 5, 9.99);
        library[2] = new DVD("3", "Major Payne", "1995", 103, 2, 14.99);
        library[3] = new DVD("4", "Phil the Alien", "2004", 104, 6, 5.99);
        
GUI gui = new GUI();
gui.setDVD(library);

Double totalInv = library[0].CalculateTotalInventoryValue(library);
        int index;

Double restockingFee = library[index].getRestockingFee();
    
}
    
    
    //Adds a product to the array, in the first empty slot found
    public void addProduct(Product item){
        for (int i = 0; i < inventorySize; i++) {
            if (items[i] == null) {
                items[i] = item;
                return;
                
            }
        }
    }    

    /**Loop through array and add the total value, item by item; adding the quantity on hand multiplied by its price,
     * and add that value to a running total accumulator variable
     */
    public double getTotalInvValue() {
        double sumOfInventory = 0.0;
        
        //Condensed for loop to itterate the array of items
        for (Product item : items) {
            //Check for an item
            if (item != null) {
                sumOfInventory += item.getItemValue();
                
            }
        }
        return sumOfInventory;
    }
    
    //Prints the inventory list with name, quantity, price, and total stock value, for each item
    public void printInventory() {
        System.out.println("Printing items in inventory...\n");
        
        boolean hasItems = false;
        
        for (Product item : items) {
            if (item != null) {
                hasItems = true;
                System.out.println(item.toString() + "Quantity: " + item.getQuantityOnHand() + "Value of Stock: " + formatter.format(item.getItemValue()));
            }
        }
        //Prints message stating the inventory is empty, if no items are found
        if (!hasItems) {
            System.out.println("Inventory is currently empty.\n");
            
        }
    }
}

    

* To change this template, choose Tools | Templates
* and open the template in the editor.
*/

package InventoryProgram;

/**
*
* @author Tammy
*/

import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingConstants;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JTextField;
import javax.swing.JPanel;

public class GUI extends JFrame implements ActionListener {
    
    private JLabel label2; //Item number
    private JLabel label3; //Movie title
    private JLabel label4; //Movie year
    private JLabel label5; //Stock number
    private JLabel label6; //Number of item in stock
    private JLabel label7; //Restocking fee
    private JLabel label8; //Purchase Price
    private JLabel label9; //Inventory Value
    private JLabel label10; //Total Inventory Value
    private JTextField jtfItem; //
    private JTextField jtfVideo;
    private JTextField jtfYear;
    private JTextField jtfitmNumber;
    private JTextField jtfStock;
    private JTextField jtfReStock;  
    private JTextField jtfPrice;            
    private JTextField jtfValue;          
    private JTextField jtftotalInv;
    private JLabel label11; //JLabel icon
    private JButton btnFirst;
    private JButton btnPrevious;
    private JButton btnNext;
    private JButton btnLast;
    private JButton btnAdd;
    private JButton btnDelete;
    private JButton btnModify;
    private JButton btnSave;
    private JButton btnSearch;
    private JButton btnLoadfile;
    DVD[] dvd;
    int index = 0;
    
    
    public GUI() {
        super("Inventory of DVD Movies");
        
        JLabel jl;
        JPanel jp;
        
    setLayout( new FlowLayout()); //Set frame layout
    
    
    label2 = new JLabel("Item#: ");
    label2.setHorizontalTextPosition(SwingConstants.LEFT);
    label2.setVerticalTextPosition(SwingConstants.TOP);
    jtfItem = new JTextField (30);
    jtfItem.setEditable(false);
    add(label2); //Add label2 to JFrame
    add(jtfItem);
    
    label3 = new JLabel("Title of Movie: ");
    label3.setHorizontalTextPosition(SwingConstants.RIGHT);
    label2.setVerticalTextPosition(SwingConstants.CENTER);
    jtfVideo = new JTextField (30);
    jtfVideo.setEditable(false);
    add(label3);
    add(jtfVideo);
    
    label4 = new JLabel("Year of Movie: ");
    label4.setHorizontalTextPosition(SwingConstants.LEFT);
    label2.setVerticalTextPosition(SwingConstants.TOP);
    jtfYear = new JTextField (30);
    jtfYear.setEditable(false);
    add(label4);
    add(jtfYear);
    
    label5 = new JLabel("Item Number is: ");
    label5.setHorizontalTextPosition(SwingConstants.LEFT);
    label2.setVerticalTextPosition(SwingConstants.TOP);
    jtfitmNumber = new JTextField (30);
    jtfitmNumber.setEditable(false);
    add(label5);
    add(jtfitmNumber);
    
    label6 = new JLabel("Number of Items in Stock: ");
    label6.setHorizontalTextPosition(SwingConstants.LEFT);
    label2.setVerticalTextPosition(SwingConstants.TOP);
    jtfStock = newJTextField (30);
    jtfStock.setEditable(false);
    add(label6);
        Component add = add(jtfStock);
    
    label7 = new JLabel("Restocking Fee is: ");
    label7.setHorizontalTextPosition(SwingConstants.LEFT);
    label2.setVerticalTextPosition(SwingConstants.TOP);
    jtfReStock = new JTextField (30);
    jtfReStock.setEditable(false);
    add(label7);
    add(jtfReStock);
    
    label8 = new JLabel("Purchase Price is: ");
    label8.setHorizontalTextPosition(SwingConstants.LEFT);
    label2.setVerticalTextPosition(SwingConstants.TOP);
    jtfPrice = new JTextField (30);
    jtfPrice.setEditable(false);
    add(label8);
    add(jtfPrice);
    
    label9 = new JLabel("Inventory Value is: ");
    label9.setHorizontalTextPosition(SwingConstants.LEFT);
    label2.setVerticalTextPosition(SwingConstants.TOP);
    jtfValue = new JTextField (30);
    jtfValue.setEditable(false);
    add(label9);
    add(jtfValue);
    
    label10 = new JLabel("Total Inventory Value is: ");
    label10.setHorizontalTextPosition(SwingConstants.LEFT);
    label2.setVerticalTextPosition(SwingConstants.TOP);
    jtftotalInv = new JTextField (30);
    jtftotalInv.setEditable(false);
    add(label10);
    add(jtftotalInv);
    
    Icon DVD = new ImageIcon(getClass().getResource ("dvd.jpg"));
    label11 = new JLabel(DVD, SwingConstants.LEFT);
    label11.setVerticalTextPostition(SwingConstants.TOP);
    add(label11);
    
    btnFirst = new JButton("First");
    btnFirst.addActionListener(this);
    add(btnFirst);
    
    btnPrevious = new JButton("Previous");
    btnPrevious.addActionListener(this);
    add(btnPrevious);
    
    btnNext = new JButton("Next");
    btnNext.addActionListener(this);
    add(btnNext);
    
    btnLast = new JButton("Last");
    btnLast.addActionListener(this);
    add(btnLast);
    
    btnAdd = new JButton("Add");
    btnAdd.addActionListener(this);
    add(btnAdd);
    
    btnDelete = new JButton("Delete");
    btnDelete.addActionListener(this);
    add(btnDelete);
    
    btnModify = new JButton("Modify");
    btnModify.addActionListener(this);
    add(btnModify);
    
    btnSave = new JButton("Save");
    btnSave.addActionListener(this);
    add(btnSave);
    
    btnSearch = new JButton("Search");
    btnSearch.addActionListener(this);
    add(btnSearch);
    
    btnLoadfile = new JButton("Load file");
    btnLoadfile.addActionListener(this);
    add(btnLoadfile);
    
    
    
    setSize(800,500);
        setVisible(true);
        
    }//end Label Frame constructor
    
    void setDVD(DVD[] dvd) {
        this.dvd = dvd;
        index = 0;
        display();
        
    }
    
    void display() {
        jtfItem.setText("" + dvd[index].getName());
        jtfVideo.setText("" + dvd[index].getTitle());
        jtfYear.setText("" + dvd[index].getYear());
        jtfitmNumber.setText("" + dvd[index].getNumber());
        jtfStock.setText("" + dvd[index].getQuantityOnHand());
        jtfReStock.setText("" + dvd[index].getRestockingFee());
        jtfPrice.setText("" + dvd[index].getPrice());
        jtfValue.setText("" + dvd[index].getItemValue());
        jtftotalInv.setText("" + dvd[index].CalculateTotalInventoryValue());
        
    }
    
    void displayFirst() {
        index = 0;
        display();
        
    }
    
    void displayNext() {
        index++;
        if(index >= dvd.length) {
            index = 0;
        }
        display();
    }
    
    void displayPrevious() {
        index--;
        if(index < 0) {
            index = dvd.length - 1;
        }
        display();
    }
    
    void displayLast() {
        index = dvd.length - 1;
        display();
    }
    

    public void actionPerformed(ActionEvent e) {
       Object buttonPressed = e.getSource();
       if (buttonPressed == btnFirst) {
           index = 0;
           displayFirst();
           return;
        }
      
       if (buttonPressed == btnNext) {
           displayNext();
           return;
          
        }
      
       if (buttonPressed == btnPrevious) {
           displayPrevious();
           return;
       }
      
       if (buttonPressed == btnLast) {
           displayLast();
           return;
        }
       display();
      
    }

    private JTextField newJTextField(int i) {
        throw new UnsupportedOperationException("Not yet implemented");
    }
}