package program2;
 
// This program creates a small online form
// Designed by Nate Hultman
 
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
 
public class Program2 extends Applet implements ActionListener
{
        // These are global objects for textfields, labels, and buttons
        private TextField nameBox = new TextField("",25); // room for 25 chars and empty
        private TextField addressBox = new TextField("",25);
        private TextField cityBox  = new TextField("",25);
        private TextField stateBox  = new TextField("",2);
        private TextField zipBox  = new TextField("",10);
        private TextField phoneBox  = new TextField("",15);
        private TextField emailBox  = new TextField("",25);
        private TextField productIDBox  = new TextField("",15);
 
        Label nameLabel = new Label ("Name:") ;
        Label addressLabel = new Label ("Address:");
        Label cityLabel = new Label ("City:");
        Label stateLabel = new Label ("State:");
        Label zipLabel = new Label ("Zip Code:");
        Label phoneLabel = new Label ("Phone:");
        Label emailLabel = new Label ("Email:");
        Label productIDLabel = new Label ("Product ID:");
 
        private Button submit = new Button ("Submit");
 
        public void init()
        {
          setBackground(Color.blue);
                //layout for overall applet is GridLayout with 9 rows, 2 columns
                setLayout(new GridLayout(9,1));
 
                // first row
                add(nameLabel);
                             add(nameBox);
 
                // second row
                add(addressLabel );
                             add(addressBox);
 
                // third row
                add(cityLabel);
                             add(cityBox);
 
                // fourth row
                add(stateLabel );
                             add(stateBox);
 
                // fifth row
                add(zipLabel );
                             add(zipBox);
 
                // sixth row
                add(phoneLabel );
                             add(phoneBox);
 
                // seventh row
                add(emailLabel);
                             add(emailBox);
 
                // eighth row
                add(productIDLabel);
                             add(productIDBox);
 
                // ninth row
                add(submit);
                             submit.addActionListener(this);
        }// ends init method
 
        public void actionPerformed( ActionEvent e )
        {                    //Declaring all the methods
           checkName ();
 
           checkAddress ();
 
           checkCity ();
 
           checkState();
 
           checkZip ();
 
           checkPhone();
 
           checkEmail();
 
           checkLabel();
        }
 
        //All the error checking methods
 
        public void checkName ( )
        {
              String name = nameBox.getText();
              if (name.length() == 0)        //checks lenght is at least one character
                   nameLabel.setForeground(Color.red);
              else
                   nameLabel.setForeground(Color.yellow);
        }
 
        public void checkAddress(){
 
              String address = addressBox.getText();
              if (address.length() < 4)        //checks lenght is at least one character
                   addressLabel.setForeground(Color.red);
              else
                   addressLabel.setForeground(Color.yellow);
        }
 
        public void checkCity(){
 
              String city = cityBox.getText();
              if (city.length() == 0)        //checks lenght is at least one character
                   cityLabel.setForeground(Color.red);
              else
                   cityLabel.setForeground(Color.yellow);
        }
 
        public void checkState(){
 
              String state = stateBox.getText();
              if  (state.equals("PA") || state.equals("NY")
                   || state.equals("pa") || state.equals("ny"))
                    stateLabel.setForeground(Color.yellow);
              else
                  stateLabel.setForeground(Color.red);
        }
 
        
        
        //PLEASE HELP ME WITH THIS PART
        public void checkZip(){
          
              String zip = zipBox.getText();
              if (zip.startsWith("0") || zip.equals(zip => '20001'))
                zipLabel.setForeground(Color.red);
              else
                zipLabel.setForeground(Color.yellow);
          }
 
 
        public void checkPhone(){
 
          String phone = phoneBox.getText();
              if (phone.startsWith("702") || phone.startsWith("412"))        //checks lenght is at least one character
                  phoneLabel.setForeground(Color.yellow);
              else
                  phoneLabel.setForeground(Color.red);
 
        }
 
        public void checkEmail(){
 
                String email   =    emailBox.getText( );     // gets the text from the email box
                if   (email.indexOf ( '@' )   ==  -1  )      // -1 means no occurence of @ sign in email
                        emailLabel.setForeground(Color.red);
                else
                        emailLabel.setForeground(Color.yellow);
        }
 
        
        //PLEASE HELP ME WITH THIS
        public void checkLabel(){
 
 
        }
 
 
 
} // end program
 

public void checkZip(){
 
              String zip = zipBox.getText();
              int zipNum = 0 ;
              // Make sure ZIP is a number
              try {
                zipNum = Integer.parseInt(zip);
                if ( zipNum >= 10000 && zipNum <= 20000 ) {
                  // Zip is ok
                  zipLabel.setForeground(Color.yellow);
                }
                else {
                  // Zip is not in range
                  zipLabel.setForeground(Color.red);
                }
              }
              catch (Exception e ) {
                // Zip entered is not a number
                // Do what you want to do in this error condition
                zipLabel.setForeground(Color.red);
              }
 
          }