brokergui.java

this is a trade sale system realized by java. It can run some easy functions and has a good design p

package trader.gui;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import java.util.*;
import trader.*;

public class BrokerGui{
  // GUI Components
  // main frame components
  protected JFrame frame;
  protected Container contentPane;
  protected CardLayout card = new CardLayout();
  protected JPanel cardPan = new JPanel();

  // selection panel components
  protected JPanel selPan = new JPanel();
  protected JButton custBt = new JButton("Customer Details");
  protected JButton allCustBt = new JButton("All Customers");
  protected JButton portBt = new JButton("Portfolio");
  protected JButton stockBt = new JButton("Stocks");

  // customer panel components
  protected JPanel custPan = new JPanel();
  protected JLabel nameLb = new JLabel("Customer Name");
  protected JLabel idLb = new JLabel("Customer Identity");
  protected JLabel addrLb = new JLabel("Customer Address");
  protected JTextField nameTf = new JTextField(25);
  protected JTextField idTf = new JTextField(25);
  protected JTextField addrTf = new JTextField(25);
  protected JButton getBt = new JButton("Get Customer");
  protected JButton updBt = new JButton("Update Customer");
  protected JButton addBt = new JButton("Add Customer");
  protected JButton delBt = new JButton("Delete Customer");

  // AllCustomersPanel components
  protected JPanel allCustPan = new JPanel();
  protected JLabel allCustLb = 
    new JLabel("All Customers", SwingConstants.CENTER);  
  protected JTextArea allCustTa= new JTextArea();
  protected JScrollPane allCustSp = new JScrollPane(allCustTa);

  //** Students add the JTable related attributes here
  //** 1 Declare attribute tableHeaders of type String[]
  //**   and initialize to "Customer Id", "Name", "Address"
  String[] tableHeaders = {"Customer Id", "Name", "Address"};
  //** 2 Declare attribute table of type JTable
  JTable table;
  //** 3 Declare attribute tablePane of type JScrollPane
  JScrollPane tablePane; 
  //** 4 Declare attribute tableModel of type DefaultTableModel
  DefaultTableModel tableModel; 

  // LogPanel Components
  protected JPanel logPan = new JPanel();
  protected JLabel logLb = 
    new JLabel("BrokerTool Log", SwingConstants.CENTER);  
  protected JTextArea logTa= new JTextArea(9, 50);
  protected JScrollPane logSp = new JScrollPane(logTa);
  

  // methods
  public void refreshCustPan(Customer cust){
    idTf.setText(cust.getId());
    nameTf.setText(cust.getName());
    addrTf.setText(cust.getAddr());
  }

  public void refreshAllCustPan(Customer[] custs){
    // To be completed by Students in Mod9
    // Hint This method is similar to the updateTable method
    // of TableExample class
    String newData[][];
    //** 1 Create a 2-dimensional string array with no of rows
    //**   equal to cust.length and no of columns set to 3, i
    //**   and assign to newData.
    newData = new String[custs.length][3];
    //** 2 Write a for loop to populate the newData array with
    //**   customer id, name, and addr obtained from custs array
    for (int i=0; i<custs.length; i++) {
      newData[i][0] = custs[i].getId();
      newData[i][1] = custs[i].getName();
      newData[i][2] = custs[i].getAddr();
    }
    //** 3 Invoke the setDataVector method on the tableModel 
    //**   passing it newData and tableHeaders arrays.
    tableModel.setDataVector(newData, tableHeaders);
  }

/* uncomment in final iteration
  public void refreshPorfolioPan(Portfolio p){
    // optional TBD in mod 9 by students
  }
*/
  public void refreshStockPan(){
    // optional TBD in mod 9 by students
  }

  public void updateLog(String msg) {
    logTa.append(msg + "\n");
  }
  
  public String getCustIdOnCustPan(){
    return idTf.getText();
  }

  public Customer getCustomerOnCustPan(){
    return new Customer
      (idTf.getText(), nameTf.getText(), addrTf.getText());
  }

  public Customer getCustOnPortPan(){
    // optional TBD in mod 9 by students
    Customer cust = null;
    return cust;
  }

  public void showCard(String cardStr){
    System.out.println("showCard(" + cardStr +")");
    card.show(cardPan, cardStr);
  }
    
  public BrokerGui() {
    System.out.println("BrokerGui");
    buildDisplay();
  }
    
  //private and protected methods

  private void buildDisplay(){
    frame = new JFrame("BrokerTool");
    buildSelectionPanel(); // build selection panel
    buildCustPanel(); // build customer panel
    buildAllCustPanel(); // build allCustomer panel
    buildLogPanel(); // build log panel
    // add panels to cardPan
    cardPan.setLayout(card);
    cardPan.add(custPan, "customer");
    cardPan.add(allCustPan, "allcustomers");
    // build and display frame
    contentPane = frame.getContentPane();
    contentPane.setLayout(new BorderLayout());
    contentPane.add(cardPan, BorderLayout.CENTER);
    contentPane.add(selPan, BorderLayout.NORTH);
    contentPane.add(logPan, BorderLayout.SOUTH);
    
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.setVisible( true );
    // showCard("allcustomers");
  }
  
  //build selection panel
  private void buildSelectionPanel() {
    selPan.setLayout(new GridLayout(1,4));
    selPan.add(custBt);
    selPan.add(portBt);
    selPan.add(allCustBt);
    selPan.add(stockBt);
  }
    
  public void addSelectionPanelListeners(ActionListener a[]) {
    int len = a.length;
    if (len !=4) {
      System.out.println("BrokerGui addCustPanListeners error "
        + "incorrect array len " + len);
      return;
    }
    custBt.addActionListener(a[0]);
    allCustBt.addActionListener(a[1]);
    portBt.addActionListener(a[2]);
    stockBt.addActionListener(a[3]);
  }
  
  //build customer panel
  private void buildCustPanel() {
    custPan.setLayout(new GridLayout(5,2));
    custPan.add(nameLb);
    custPan.add(nameTf);
    custPan.add(idLb);
    custPan.add(idTf);
    custPan.add(addrLb);
    custPan.add(addrTf);
    custPan.add(getBt);
    custPan.add(updBt);
    custPan.add(addBt);
    custPan.add(delBt);
  }
  
  public void addCustPanelListeners(ActionListener a[]) {
    int len = a.length;
    if (len !=4) {
      System.out.println("BrokerGui addCustPanListeners error "
        + "incorrect array len " + len);
      return;
    }
    getBt.addActionListener(a[0]);
    addBt.addActionListener(a[1]);
    delBt.addActionListener(a[2]);
    updBt.addActionListener(a[3]);
  }
  
    
  //build all customer panel
  private void buildAllCustPanel() {
    allCustPan.setLayout(new BorderLayout());
    allCustPan.add(allCustLb, BorderLayout.NORTH);
    //** 1 For the JTable exercise comment following 2 lines
    allCustPan.add(allCustSp, BorderLayout.CENTER);
    allCustTa.setText("all customer display TBD in mod 9");
    //** 2 Create a DefaultTableModel and assign it to
    //**   tableModel. Hint - see TableExample class
    tableModel = new DefaultTableModel(tableHeaders, 10);
    //** 3 Create a JTable and assign it to
    //**   table. Hint - see TableExample class
    table = new JTable(tableModel);
    //** 4 Create a JScrollPane object to scroll the table
    //**   and assign it to tablePane;
    tablePane = new JScrollPane(table);
    //** 5 Add the tablePan to CENTER region of allCustPan  
    //**   Hint - this line is similar but not the same as
    //**   the commented out code under step 1.
    allCustPan.add(tablePane, BorderLayout.CENTER);
    //Optional lines - uncomment 
    Dimension dim = new Dimension(500, 150);
    table.setPreferredScrollableViewportSize(dim);
  }
  
  //build message log panel
  private void buildLogPanel() {
    logPan.setLayout(new BorderLayout());
    logPan.add(logLb, BorderLayout.NORTH);
    logPan.add(logSp, BorderLayout.CENTER);
  }
  
  public static void main(String args[]){
    BrokerGui gui = new BrokerGui();
  }
  
  
}