Starter code for Lab 8.

App.java

package ca.uwo.csd.cs2212.USERNAME;

import javax.swing.SwingUtilities;

public class App {

    public static void main(String args[]) {

        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                MainWindow window = new MainWindow();
                window.setVisible(true);
            }
        });

    }
}

CurrencyCellRenderer.java

package ca.uwo.csd.cs2212.USERNAME;

import java.awt.Color;
import java.awt.Component;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
import java.text.Format;
import java.text.NumberFormat;
import javax.swing.SwingConstants;

public class CurrencyCellRenderer extends DefaultTableCellRenderer {

    private final Format formatter;

    public CurrencyCellRenderer() {
        this.formatter = NumberFormat.getCurrencyInstance();
        
        // Set horizontal alignment here
    }

    @Override
    public Component getTableCellRendererComponent(JTable table, Object value, 
      boolean isSelected, boolean hasFocus, int row, int column) {

        // Cast the value to a double here.
        // If the value is > 0, set the foreground color of the cell to red;
        // otherwise, set it to black.

        // Format the value with a currency symbol
        String formattedValue = formatter.format(amount);
        
        // Set the value here

        return this;
    }
}

Customer.java

package ca.uwo.csd.cs2212.USERNAME;

public class Customer {
  
    private String firstName;
    private String lastName;
    private String email;
    private double balanceOwing;

    public Customer(String firstName, String lastName, String email, double balanceOwing) {
        this.firstName = firstName;
        this.lastName = lastName;
        this.email = email;
        this.balanceOwing = balanceOwing;
    }
    
    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public double getBalanceOwing() {
        return balanceOwing;
    }

    public void setBalanceOwing(double balanceOwing) {
        this.balanceOwing = balanceOwing;
    }
    
    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(firstName)
          .append(" ")
          .append(lastName)
          .append(" (")
          .append(email)
          .append("): ")
          .append("$")
          .append(balanceOwing);
        
        return sb.toString();
    }
}

CustomerTableModel.java

package ca.uwo.csd.cs2212.USERNAME;

import java.util.ArrayList;
import java.util.List;
import javax.swing.table.AbstractTableModel;

public class CustomerTableModel extends AbstractTableModel {

    private final static int COLUMN_COUNT = 4;
    private final static int IDX_FIRST_NAME = 0;
    private final static int IDX_LAST_NAME = 1;
    private final static int IDX_EMAIL = 2;
    private final static int IDX_BALANCE = 3;
    
    private final List<Customer> customers;

    public CustomerTableModel() {
        customers = new ArrayList<>();
    }
    
    public List<Customer> getCustomers() {
        return customers;
    }
    
    @Override
    public int getRowCount() {
        return customers.size();
    }

    @Override
    public int getColumnCount() {
        return COLUMN_COUNT;
    }
    
    @Override
    public Class<?> getColumnClass(int columnIndex) {
        return (columnIndex == IDX_BALANCE ? Double.class : String.class);
    }
    
    @Override
    public String getColumnName(int columnIndex) {
        switch (columnIndex) {
            case IDX_FIRST_NAME:
                return "First Name";
            case IDX_LAST_NAME:
                return "Last Name";
            case IDX_EMAIL:
                return "Email";
            case IDX_BALANCE:
                return "Balance Owing";
            default:
                return null;            
        }
    }

    @Override
    public Object getValueAt(int rowIndex, int columnIndex) {
        if ((rowIndex < 0) || (rowIndex >= customers.size()))
            return null;
            
        // add implementation here
    }
    
    @Override
    public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
        if ((rowIndex < 0) || (rowIndex >= customers.size()) || columnIndex != IDX_BALANCE)
            return;
            
        // add implementation here
    }
    
    @Override
    public boolean isCellEditable(int rowIndex, int columnIndex) {
      // implement me
    }
 
}

MainWindow.java

package ca.uwo.csd.cs2212.USERNAME;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;

public class MainWindow extends JFrame {

    private JButton btnGetSelection;
    private JTable tblCustomers;
    private JTextArea txtOutput;

    public MainWindow() {
        initComponents();
    }
                         
    private void initComponents() {

        JPanel pnlOutput = new JPanel();
        JScrollPane scrOutput = new JScrollPane();
        JPanel pnlTable = new JPanel();
        JScrollPane scrTable = new JScrollPane();
        JToolBar toolBar = new JToolBar();

        btnGetSelection = new JButton();
        tblCustomers = new JTable();
        txtOutput = new JTextArea();
        
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        pnlOutput.setBorder(BorderFactory.createTitledBorder("Output"));
        pnlOutput.setLayout(new BorderLayout());

        txtOutput.setColumns(20);
        txtOutput.setRows(5);
        scrOutput.setViewportView(txtOutput);

        pnlOutput.add(scrOutput, BorderLayout.CENTER);

        getContentPane().add(pnlOutput, BorderLayout.SOUTH);
        pnlOutput.getAccessibleContext().setAccessibleDescription("");

        pnlTable.setBorder(BorderFactory.createTitledBorder("Customer Data"));
        pnlTable.setLayout(new BorderLayout());

        scrTable.setViewportView(tblCustomers);

        pnlTable.add(scrTable, BorderLayout.CENTER);

        getContentPane().add(pnlTable, BorderLayout.CENTER);

        toolBar.setRollover(true);

        btnGetSelection.setText("Get Selection");
        btnGetSelection.setFocusable(false);
        btnGetSelection.setHorizontalTextPosition(SwingConstants.CENTER);
        btnGetSelection.setVerticalTextPosition(SwingConstants.BOTTOM);

        toolBar.add(btnGetSelection);

        getContentPane().add(toolBar, BorderLayout.NORTH);

        pack();
    }                
}