/*
* Copyright 2003 Sun Microsystems, Inc. ALL RIGHTS RESERVED 
* Use of this software is authorized pursuant to the terms 
* of the license found at 
* http://developer.java.sun.com/berkeley_license.html. 
*/



package divelog;
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Vector;
import divelog.UIWestPanel;




public class DiveHandler extends JPanel
  {//Opens DiveHandler class
  
  private ObjectOutputStream output;
  private  ObjectInputStream input;
  private UIWestPanel ui;
  private DiveRecord Dr;
  protected JButton enterButton; 
  protected JButton viewButton;
  private static int callIndex;
  private static boolean calledAlready = false;
  private static Vector _cacheList = new Vector();
  private static int objectCount ;
  
  public DiveHandler()
   {//Opens constructor
    //Initialize and add graphic user interface
     ui = new UIWestPanel();
     add("Center",ui);
   try
     { //open try 
    output = new ObjectOutputStream (
                      new FileOutputStream ("diveLogs.dat", true));
     } catch (IOException ioex)
    {//open catch
                  JOptionPane.showMessageDialog(null,
                  "Error during reading file",
                  null, JOptionPane.ERROR_MESSAGE);
     }//close catch 
     try{       
    input = new ObjectInputStream(
                      new FileInputStream("diveLogs.dat"));
                      }
    catch (IOException ioex)
    {//open catch
                  JOptionPane.showMessageDialog(null,
                  "Error during reading file",
                  null, JOptionPane.ERROR_MESSAGE);
     }//close catch
     
     enterButton = ui.getEnter();
     enterButton.setText("Enter");
     enterButton.addActionListener (
     new ActionListener () {
      public void actionPerformed (ActionEvent ae)
        { //Open method
               
         ui.getAirIntake();
         ui.getCount();
         addDive();
         
        }//Close method  
      }
     );
     
     
     viewButton = ui.getView();
     viewButton.setText("View");
     viewButton.addActionListener (
     new ActionListener () {
      public void actionPerformed (ActionEvent ae)
        { //Open method
         viewDive();
        }//Close method  
      }
     );

     }
      public void addDive()
      { //Open addDive 
       Vector values = ui.getUIFields();
        //Gets each item and assigns it to a
        //variable of the proper type.
         String t = (String)values.get(0);
         System.out.println(t);
         String d = (String)values.get(1);
         System.out.println(d);
         //Converting strings to ints
         int dth = Integer.parseInt((String)values.get(2));
         System.out.println(dth);
         int s = Integer.parseInt((String)values.get(3));
         System.out.println(s);
         int e = Integer.parseInt((String)values.get(4));
         System.out.println(e);
         int u = Integer.parseInt((String)values.get(5));
         System.out.println(u);
         int bt = Integer.parseInt((String)values.get(6));
         System.out.println(bt);
         int c = Integer.parseInt((String)values.get(7));
         System.out.println(c);
         int v = Integer.parseInt((String)values.get(8));
         System.out.println(v);
         String cts = (String)values.get(9);
         System.out.println(cts);
            
            //Calls the setDive method of the Dive Record
            //to create the dive object, passing the
            //assigned items from above.

            try
             { //open try
              Dr = new DiveRecord();
              Dr.setDive(t, d, dth, s, e, u, bt, c, v, cts);
              output.writeObject (Dr);
              output.flush();
	      objectCount ++;
	      
	      if(input != null) {
		  input.close();
		  input = null;
	      }
	      
	      
              } //close try
              
              catch (NumberFormatException nef) {
               JOptionPane.showMessageDialog(this,
                 "You need to fill out all fields",
                 "Invalid fields",
                 JOptionPane.ERROR_MESSAGE);
               }//close catch
              catch (FileNotFoundException fnf) {
               JOptionPane.showMessageDialog(this,
                 "File not found",
                 null,
                 JOptionPane.ERROR_MESSAGE);
               }//close catch
               catch (IOException io)
                 {//open catch
               JOptionPane.showMessageDialog(this,
                 "Error closing file",
                 null,
                 JOptionPane.ERROR_MESSAGE);
                 closeFile();
               }//close catch
               
            ui.clearFields();
            
       }//Close method
       
       public void viewDive()       {
	   try {
	       
	       DiveRecord Dr;
	        
	       if(input == null) {
		   try{       
		       input = new ObjectInputStream(new FileInputStream("diveLogs.dat"));
		   }catch (IOException ioex){
		       JOptionPane.showMessageDialog(null,
						     "Error during reading file",
						     null, JOptionPane.ERROR_MESSAGE);
		   }
	       }
	        
	       Dr = (DiveRecord) input.readObject();
	       String svalues[] = { 
		   Dr.getType(),
		   Dr.getDte(),
		   String.valueOf(Dr.getDepth()),
		   String.valueOf(Dr.getStart()),
		   String.valueOf(Dr.getEnd()),
		   String.valueOf(Dr.getUsed()),
		   String.valueOf(Dr.getTime()),
		   String.valueOf(Dr.getCount()),
		   String.valueOf(Dr.getVis()),
		   Dr.getComments()};
	       
	       ui.setFields(svalues);
	       return;
	   }//close try
	   catch (EOFException eofex){
	       JOptionPane.showMessageDialog (null,"No more records in file",null, 
					      JOptionPane.ERROR_MESSAGE);
	   }//close catch
	   catch (ClassNotFoundException cnfex){
	       JOptionPane.showMessageDialog(null,"Unable to open object",
					     null, JOptionPane.ERROR_MESSAGE);
	   }//close catch
	   catch (IOException ioex) {
	       JOptionPane.showMessageDialog(null,"Error during reading file",
					     null, JOptionPane.ERROR_MESSAGE);
	   }//close catch
	    
       }
            

           
        public void closeFile()
         {
           try {
             input.close();
             }
           catch (IOException ioe) {
            JOptionPane.showMessageDialog(this,
            "Problem closing file",
            "Error", JOptionPane.ERROR_MESSAGE);
            
            }
          }
           
 }// closes DiveHandler class