discountsgui.java

ssd3 java编程 EXAM1 原样上传即可

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.text.*;
import java.util.*;

/**
 * Sales System computing discounts.
 * 
 * @author iCarnegie
 * @version 1.1.0
 * @see Product
 * @see Coffee
 * @see CoffeeBrewer
 * @see Catalog
 * @see Customer
 * @see CustomerDatabase
 * @see OrderItem
 * @see Order
 * @see Sales
 * @see Store
 * @see CatalogTestData
 * @see CustomerDatabaseTestData
 * @see DataFormatException
 * @see DiscountOrder
 */
public class DiscountsGUI extends JPanel {

	/* Temporary customer for current order */
	private final static Customer CURRENT_ORDER_CUSTOMER = 
		new Customer (0, "Current Order Customer");
		
	/* Temporary date for current order */
	private final static Date CURRENT_ORDER_DATE = 
		new Date (2003, 1, 1); 

	/* Line separator*/
	private final static String NEW_LINE = System.getProperty("line.separator");

	/* Window width in pixels */
	static private int WIDTH = 550;

	/* Window height in pixels */
	static private int HEIGHT = 550;

	/* Size of the catalog list cell in pixels */
	static private int CATALOG_CELL_SIZE = 60;

	/* Visible rows in catalog list */
	static private int CATALOG_LIST_ROWS = 13;
	
	/* Size of the sales person database list cell in pixels */
	static private int ORDER_ITEMS_CELL_SIZE = 110;

	/* Visible rows in sales person  database list list */
	static private int ORDER_ITEMS_LIST_ROWS = 13;
	
	/* Size of the customer database list cell in pixels */
	static private int CUSTOMER_DATABASE_CELL_SIZE = 100;

	/* Visible rows in customer database list list */
	static private int CUSTOMER_DATABASE_LIST_ROWS = 4;

	/* Size store name text field */
	static private int STORE_NAME_TEXTFIELD_SIZE = 15;

	/* Size store address text field */
	static private int STORE_ADDRESS_TEXTFIELD_SIZE = 17;

	/* Size quantity text field */
	static private int QUANTITY_TEXTFIELD_SIZE = 5;

	/* Size total text field */
	static private int TOTAL_TEXTFIELD_SIZE = 8;

	/* Size file name text field */
	static private int FILE_NAME_TEXTFIELD_SIZE = 15;

	/* Size year text field */
	static private int YEAR_TEXTFIELD_SIZE = 5;

	/* Size month text field */
	static private int MONTH_TEXTFIELD_SIZE = 3;

	/* Size day text field */
	static private int DAY_TEXTFIELD_SIZE = 3;
	
	/* Size number of orders  text field */
	static private int NUMBER_OF_ORDERS_TEXTFIELD_SIZE = 3;

	/* Rows in status text area */
	static private int STATUS_ROWS = 5;

	/* Cols in status text area */
	static private int STATUS_COLS = 40;

	private JList catalogList;
	private DefaultListModel catalogListModel;
	private JList customerDatabaseList;
	private DefaultListModel customerDatabaseListModel;
	private JList orderItemsList;
	private DefaultListModel orderItemsListModel;
	private JButton addButton;
	private JButton deleteAllItemsButton;
	private JButton registerSaleButton;
	private JButton displaySalesButton;
	private JButton loadProductsWithDiscountButton;
	private JRadioButton  defaultDiscountButton;
    private JRadioButton  allProductsDiscountButton;
    private JRadioButton  selectedProductsDiscountButton;
	private JPanel productPanel;
	private JLabel storeNameLabel;
	private JLabel storeAddressLabel;
	private JLabel quantityLabel;
	private JLabel totalLabel;
	private JLabel fileNameLabel;
	private JLabel yearLabel;
	private JLabel monthLabel;
	private JLabel dayLabel;
	private JLabel numberOfOrdersLabel;
	private JTextField storeNameTextField;
	private JTextField storeAddressTextField;
	private JTextField quantityTextField;
	private JTextField totalTextField;
	private JTextField fileNameTextField;
	private JTextField yearTextField;
	private JTextField monthTextField;
	private JTextField dayTextField;
	private JTextField numberOfOrdersTextField;
	private JTextArea statusTextArea;

	private Store store;
	private DiscountOrder currentOrder;
	private NumberFormat  dollarFormatter = NumberFormat.getCurrencyInstance();
	private SelectedProductsDiscountStrategy selectedProductsDiscountStrategy;

	/**
	 * Starts the application.
	 *
	 * @param args  String arguments.  Not used.
	 */
	public static void  main(String[]  args) {

		JFrame frame = new JFrame("Sales System");

		frame.setContentPane(new DiscountsGUI());
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setSize(WIDTH, HEIGHT);
		frame.setResizable(false);
		frame.setVisible(true);
	}

	/**
	 * Instantiates the components and arranges them in a window.
	 *
	 * @param initialCatalog a product catalog.
	 */
	private DiscountsGUI() {

		store = new Store(
			"Pittsburgh Gourmet Coffee",
			"4615 Forbes Avenue",
			CatalogTestData.getCatalog(),
			CustomerDatabaseTestData.getCustomerDatabase(),
			new Sales());

		// create the components
		catalogListModel = new DefaultListModel();
		catalogList = new JList(catalogListModel);
		orderItemsListModel = new DefaultListModel();
		orderItemsList = new JList(orderItemsListModel);
		customerDatabaseListModel = new DefaultListModel();
		customerDatabaseList = new JList(customerDatabaseListModel);
		
		catalogList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		catalogList.setVisibleRowCount(CATALOG_LIST_ROWS);
		catalogList.setFixedCellWidth(CATALOG_CELL_SIZE);
		orderItemsList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		orderItemsList.setVisibleRowCount(ORDER_ITEMS_LIST_ROWS);
		orderItemsList.setFixedCellWidth(ORDER_ITEMS_CELL_SIZE);
		customerDatabaseList.setSelectionMode(
			ListSelectionModel.SINGLE_SELECTION);
		customerDatabaseList.setVisibleRowCount(CUSTOMER_DATABASE_LIST_ROWS);
		customerDatabaseList.setFixedCellWidth(CUSTOMER_DATABASE_CELL_SIZE);
		
		addButton = new JButton("Add Order Item");
		deleteAllItemsButton = new JButton("Delete All Order Items");
		loadProductsWithDiscountButton =
			new JButton ("Load Products With Discount");
		registerSaleButton = new JButton("Register Sale of Current Order");
		displaySalesButton = new JButton("Display Sales");
		
		defaultDiscountButton =
			new JRadioButton("Apply Default Discount");
		allProductsDiscountButton = 
			new JRadioButton("Apply 15% on All Products");
		selectedProductsDiscountButton =
			new JRadioButton("Apply 20% on Selected Products");
        
        ButtonGroup group = new ButtonGroup();
        group.add(defaultDiscountButton);
        group.add(allProductsDiscountButton);
        group.add(selectedProductsDiscountButton);
			
		storeNameLabel = new JLabel("Store:");
		storeAddressLabel = new JLabel("Address:");
		quantityLabel = new JLabel("Quantity:");
		totalLabel = new JLabel("Total:");
		fileNameLabel = new JLabel("File Name:");
		yearLabel = new JLabel("Year");
		monthLabel = new JLabel("Month");
		dayLabel = new JLabel ("Day");
		numberOfOrdersLabel = new JLabel ("Number of Orders:");
		
		storeNameTextField = new JTextField(store.getName(),
			STORE_NAME_TEXTFIELD_SIZE);
		storeNameTextField.setEditable(false);
		storeAddressTextField = new JTextField(store.getAddress(),
			STORE_ADDRESS_TEXTFIELD_SIZE);
		storeAddressTextField.setEditable(false);
		quantityTextField = new JTextField("", QUANTITY_TEXTFIELD_SIZE);
		totalTextField = new JTextField("", TOTAL_TEXTFIELD_SIZE);
		totalTextField.setEditable(false);
		fileNameTextField = new JTextField("", FILE_NAME_TEXTFIELD_SIZE);
		yearTextField = new JTextField("", YEAR_TEXTFIELD_SIZE);
		monthTextField = new JTextField("", MONTH_TEXTFIELD_SIZE);
		dayTextField = new JTextField("", DAY_TEXTFIELD_SIZE);
		numberOfOrdersTextField =
			new JTextField(Integer.toString(
				store.getSales().getNumberOfOrders()),
				NUMBER_OF_ORDERS_TEXTFIELD_SIZE);
		numberOfOrdersTextField.setEditable(false);
		
		statusTextArea = new JTextArea(STATUS_ROWS, STATUS_COLS);
		statusTextArea.setEditable(false);

		// Store info panel
		JPanel storeInfoPanel = new JPanel(new GridLayout(1, 2));
		JPanel storeNamePanel = new JPanel();
		JPanel storeAddressPanel = new JPanel();
		storeNamePanel.add(storeNameLabel);
		storeNamePanel.add(storeNameTextField);
		storeAddressPanel.add(storeAddressLabel);
		storeAddressPanel.add(storeAddressTextField);
		storeInfoPanel.add(storeNamePanel);
		storeInfoPanel.add(storeAddressPanel);
		
		// Catalog panel
		JPanel catalogPanel = new JPanel();
		catalogPanel.setBorder(BorderFactory.createTitledBorder("Catalog"));
		catalogPanel.add (new JScrollPane(catalogList,
			JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
			JScrollPane.HORIZONTAL_SCROLLBAR_NEVER));

		// Add product panel
		JPanel centralPanel = new JPanel(new BorderLayout());
		JPanel addPanel = new JPanel(new GridLayout(2, 1));
		JPanel quantityPanel = new JPanel();
		quantityPanel.add(quantityLabel);
		quantityPanel.add(quantityTextField);
		addPanel.add(quantityPanel, BorderLayout.CENTER);
		addPanel.add(addButton, BorderLayout.SOUTH);
		centralPanel.add(catalogPanel, BorderLayout.CENTER);
		centralPanel.add(addPanel, BorderLayout.SOUTH);

		// Order items list panel
		JPanel orderItemsListPanel = new JPanel();
		orderItemsListPanel.add(new JScrollPane(orderItemsList,
			JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
			JScrollPane.HORIZONTAL_SCROLLBAR_NEVER));

		// Order items panel
		JPanel orderItemPanel = new JPanel(new BorderLayout());
		orderItemPanel.setBorder(
			BorderFactory.createTitledBorder("Order Items"));
		JPanel totalPanel = new JPanel();
		totalPanel.add(totalLabel);
		totalPanel.add(totalTextField);
		orderItemPanel.add(totalPanel, BorderLayout.NORTH);
		orderItemPanel.add(orderItemsListPanel, BorderLayout.CENTER);
		orderItemPanel.add(deleteAllItemsButton, BorderLayout.SOUTH);
		
		// File name panel
		JPanel fileNamePanel = new JPanel();
		fileNamePanel.add(fileNameLabel);
		fileNamePanel.add(fileNameTextField);
		
		// Discounts buttons panel
		JPanel discountButtonsPanel = new JPanel(new GridLayout(3, 1));
		discountButtonsPanel.add(defaultDiscountButton);
		discountButtonsPanel.add(allProductsDiscountButton);
		discountButtonsPanel.add(selectedProductsDiscountButton);
		
		// Discount panel
		JPanel discountsPanel = new JPanel(new BorderLayout());
		discountsPanel.setBorder(BorderFactory.createTitledBorder("Discounts"));
		discountsPanel.add(discountButtonsPanel, BorderLayout.NORTH);
		discountsPanel.add(fileNamePanel, BorderLayout.CENTER);
		discountsPanel.add(loadProductsWithDiscountButton, BorderLayout.SOUTH);
	
		// Customer database panel
		JPanel customerDatabasePanel = new JPanel();
		customerDatabasePanel.setBorder(
			BorderFactory.createTitledBorder("Customer Database"));
		customerDatabasePanel.add(new JScrollPane(customerDatabaseList,
			JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
			JScrollPane.HORIZONTAL_SCROLLBAR_NEVER));
		
		// Date panel
		JPanel datePanel = new JPanel(new GridLayout(2, 3));
		datePanel.add(monthLabel);
		datePanel.add(dayLabel);
		datePanel.add(yearLabel);
		datePanel.add(monthTextField);
		datePanel.add(dayTextField);
		datePanel.add(yearTextField);
		
		// Order panel
		JPanel orderPanel = new JPanel(new BorderLayout());
		JPanel orderInfoPanel = new JPanel(new BorderLayout());
		orderInfoPanel.add(discountsPanel, BorderLayout.NORTH);
		orderInfoPanel.add(customerDatabasePanel, BorderLayout.CENTER);
		orderInfoPanel.add(datePanel, BorderLayout.SOUTH);
		orderPanel.add(orderInfoPanel, BorderLayout.CENTER);
		orderPanel.add(registerSaleButton, BorderLayout.SOUTH);
		
		// Number of Orders Panel
		JPanel numberOfOrdersPanel = new JPanel();
		numberOfOrdersPanel.add(numberOfOrdersLabel);
		numberOfOrdersPanel.add(numberOfOrdersTextField);
		
		// Status panel
		JPanel bottomPanel = new JPanel(new BorderLayout());
		bottomPanel.setBorder(BorderFactory.createTitledBorder("Status"));
		bottomPanel.add (new JScrollPane(statusTextArea,
			JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
			JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED), BorderLayout.NORTH);
		bottomPanel.add(numberOfOrdersPanel, BorderLayout.CENTER);
		bottomPanel.add(displaySalesButton, BorderLayout.SOUTH);

		// Arrange panels in window
		setLayout(new BorderLayout());
		add(storeInfoPanel, BorderLayout.NORTH);
		add(centralPanel, BorderLayout.WEST);
		add(orderItemPanel, BorderLayout.CENTER);
		add(orderPanel, BorderLayout.EAST);
		add(bottomPanel, BorderLayout.SOUTH);

		// Start listening for list and buttons events
		addButton.addActionListener(new AddListener());
		deleteAllItemsButton.addActionListener(
			new DeleteAllItemsListener());
		loadProductsWithDiscountButton.addActionListener(
			new LoadProductsWithDiscountListener());
		registerSaleButton.addActionListener(new RegisterSaleListener());
		displaySalesButton.addActionListener(new DisplaySalesListener());
		defaultDiscountButton.addActionListener(new DefaultDiscountListener());
		allProductsDiscountButton.addActionListener(
			new AllProductsDiscountListener());
		selectedProductsDiscountButton.addActionListener(
			new SelectedProductsDiscountListener());