eventhandle.java

j2ee tutorial

/*
 *
 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the proprietary information of Sun Microsystems, Inc.  
 * Use is subject to license terms.
 * 
 */
package com.sun.ebank.appclient;

import java.util.ResourceBundle;
import java.util.ResourceBundle;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.*;
import java.awt.Color;
import java.util.ArrayList;
import java.util.Date;

public class EventHandle implements ActionListener {
  private static BankAdmin frame;
  private ResourceBundle messages=null;
  private DataModel dataModel;
  private String returned; 
  private int currentFunction;

  public EventHandle(BankAdmin frame, ResourceBundle messages) {
    this.frame = frame;
    this.messages = messages;
    this.dataModel = new DataModel(frame, messages);
    //Hook up action events
    hookupEvents();
  }

//Respond to radio button and return key action events
  public void actionPerformed(ActionEvent event) {
  //Set Account description according to radio buttons
    if(event.getActionCommand() == "savingsstring") {
      frame.setDescription("Savings");
    }

    if(event.getActionCommand() == "checkingstring") {
      frame.setDescription("Checking");
    }

    if(event.getActionCommand() == "creditstring") {
      frame.setDescription("Credit");
    }

    if(event.getActionCommand() == "mnymktstring") {
      frame.setDescription("Money Market");
    }

  //Set balance to beginning balance for new accounts
  //when return key pressed in begining balance field
    Object source = event.getSource();
    if(source == frame.begbal) {
       String begbalstring = frame.begbal.getText();
       frame.bal.setText(begbalstring);
    }
  }

  private void setDisplay() {
    frame.p2.setBackground(Color.white);
    frame.spacerlab1.setText("");
    frame.spacerlab2.setText("");
  }
 
  private void hookupEvents() {
//View Customer Information 
    frame.viewcust.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {
        setDisplay();
        frame.clearMessages();
        String vitem = messages.getString("ViewCust");
        frame.messlab6.setText(vitem);
        String mess = new String(messages.getString("EnterCustIDMess"));
        returned = JOptionPane.showInputDialog(frame, mess);
        if(returned != null) {
          currentFunction = 3;
          dataModel.createCustInf(currentFunction, returned);
        }
      }
    });

//Create New Customer
    frame.createcust.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {
        setDisplay();
        frame.clearMessages();
        String citem = messages.getString("CreateCust");
        frame.messlab6.setText(citem);
        currentFunction = 1;
        dataModel.createCustInf(currentFunction, returned);
      }
    });

//Update Customer Information
    frame.updatecust.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {
        setDisplay();
        frame.clearMessages();
        String uitem = messages.getString("UpdateCust");
        frame.messlab6.setText(uitem);
        String mess = new String(messages.getString("EnterCustIDMess"));
        returned = JOptionPane.showInputDialog(frame, mess); 
        if(returned != null) {
          currentFunction = 2;
          dataModel.createCustInf(currentFunction, returned);
        }
      }
    });

//View Account Information
    frame.viewact.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {
        setDisplay();
        frame.clearMessages();
        String vitem = messages.getString("ViewAct");
        frame.messlab6.setText(vitem);
        String mess = new String(messages.getString("EnterActIDMess"));
        returned = JOptionPane.showInputDialog(frame, mess);
        if(returned != null) {
          currentFunction = 4;
          dataModel.createActInf(currentFunction, returned);
        }
      }
    });

//Create New Account
    frame.createact.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {
        setDisplay();
        frame.clearMessages();
        String citem = messages.getString("CreateAct");
        frame.messlab6.setText(citem);
        currentFunction = 5;
        dataModel.createActInf(currentFunction, returned);
      }
    });

//Add Customer to Account
    frame.addcust.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {
        setDisplay();
        frame.clearMessages();
        String aitem = messages.getString("AddCust");
        frame.messlab6.setText(aitem);
        currentFunction = 6;
        frame.addCustToActFields(null, null);
      }
    });

//Remove Account
    frame.remact.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {
        setDisplay();
        frame.clearMessages();
        String ritem = messages.getString("RemAct");
        frame.messlab6.setText(ritem);
        String mess = new String(messages.getString("EnterActIDMess"));
        returned = JOptionPane.showInputDialog(frame, mess);
        if(returned != null) {
          currentFunction = 7;
          dataModel.removeAccount(returned);
        }
      }
    });

//Search for Customer ID by last name
   frame.srchcust.addActionListener(new ActionListener() {
     public void actionPerformed(ActionEvent ev) {
       setDisplay();
       frame.clearMessages();
       String sitem = messages.getString("SearchCust");
       frame.messlab6.setText(sitem);
       String mess = new String(messages.getString("EnterLastNameMess"));
       returned = JOptionPane.showInputDialog(frame, mess);
       if(returned != null) {
         currentFunction = 8;
         dataModel.searchByLastName(returned);
       }
     }
   });

//Clear data on cancel button press
    frame.cancel.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {
        setDisplay();
        frame.resetPanelTwo();
        frame.clearMessages();
      }
    });

//Process data 
    frame.OK.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {
        setDisplay();
        if(currentFunction == 3) { //view customer data
    	  frame.resetPanelTwo();
        } 
        if(currentFunction < 3) { //Create or update customer data
         //Test data and write to database
          int complete = dataModel.checkCustData(returned, currentFunction);
         //if data okay, clear Panel 2
          if(complete == 0) {
            if(currentFunction == 1) { //Create New Customer
              JOptionPane.showMessageDialog(frame, dataModel.custID, 
      "Customer ID", JOptionPane.PLAIN_MESSAGE);
            frame.resetPanelTwo();
            frame.clearMessages();
            }
            if(currentFunction == 2) {
              frame.resetPanelTwo();
              frame.clearMessages();
              frame.messlab2.setText(messages.getString("Customer") + " "
                + returned + " " + messages.getString("Updated"));
            }
          }
        //If errors, redisplay data to user 
        //and leave error messages on display
          if(complete == 1) {
            boolean readonly = false;
            frame.createCustFields(readonly, dataModel.first, dataModel.last, 
    dataModel.mid, dataModel.str, dataModel.cty, dataModel.st, 
    dataModel.zp, dataModel.tel, dataModel.mail);
          }
        }

        if(currentFunction == 4) { //View account info
          frame.resetPanelTwo(); 
          frame.clearMessages();
        }

        if(currentFunction > 4) { //Create account; add cust to act 
          int complete = dataModel.checkActData(returned, currentFunction);
          if(complete == 0) {
            if(currentFunction == 5) { //Create New Account
              //Return new account ID
              frame.resetPanelTwo();
              frame.clearMessages();
              JOptionPane.showMessageDialog(frame, dataModel.actID, 
      "Account ID", JOptionPane.PLAIN_MESSAGE);
            }
            if(currentFunction == 6) { //Add cust to account
              frame.resetPanelTwo();
              frame.clearMessages();
              frame.messlab2.setText(messages.getString("Customer") + " "
               + dataModel.custID + " " + messages.getString("AddedToAct")
               + " " + dataModel.actID);
            }
          }
          if(complete == 1) {
            if(currentFunction == 5) { //Create New Account
              frame.setDescription(dataModel.descrip);
              boolean readonly = false;
 	      Date timestamp = new Date(); 
              ArrayList alist = new ArrayList();
              frame.createActFields(readonly, dataModel.type, 
                 dataModel.balance, dataModel.creditline, 
                 dataModel.beginbalance, alist, timestamp);
        frame.cust.setText(dataModel.custID); 		
            } else { //Add Customer to Account
              frame.addCustToActFields(dataModel.custID, dataModel.actID);
            }
          }
        }
      }
    });
  } 
}