// ButtonApp.java

// This can be both an application and an applet.
// Also demonstrates difference between named and anonymouse inner classes.

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.io.*;

public class GUI extends Applet
{
    private Button b1 = new Button("Execute");
    private List operation =new List(3,false);
    private List table =new List(5,false);
    
    private TextField textfield= new TextField(10);
    private TextArea display=new TextArea("",20,50);
    String query;
    DataAC dac;
    DataCA dca;
    
    // private IconMatrix ico = new IconMatrix(16,12,8,8,.4f,.6f,true,false);
    
    public GUI()
    {
	/**  Intialization starts*/
	dac=new DataAC();
	dca=new DataCA();
	comm t = new comm(7,1214,0,0,dac,dca);  /* initialise the lower comm layer */
	/** Initialization ends*/
    }
    public void init()
    {
	setSize(100,100);
	operation.add("view");
	operation.add("insert_last");
	operation.add("delete_last");
	table.add("cities");
	table.add("countries");
	table.add("cars");
	table.add("credit_cards");
	table.add("computers");
	add(operation);
	add(table);
	b1.addActionListener(new B1());
	textfield.addKeyListener(new T1());
	textfield.addActionListener(new T2());
	textfield.setBackground(Color.white);
	operation.setBackground(Color.white);
	table.setBackground(Color.white);
	b1.setBackground(new Color(230,230,250));
	add(textfield);
	add(b1);
	add(display);
	display.setBackground(Color.white);
    }
  
  
    public void sendQuery(String query)
    {
	display.replaceRange("",0,display.getColumns());
	CoreMessage cm=new CoreMessage(0,query,1);
	System.out.println(query);
	dac.Produce(cm);
	Message m=(Message)dca.Consume();
	display.insert(((CoreMessage)m.getmessageobj()).getQuery(),0);
    }
  
    // Inner classe for button 1.
    private class B1 implements  ActionListener
    {
	public void actionPerformed(ActionEvent e) 
	{
	    //System.out.println(operation.getSelectedItem());
	    //System.out.println(table.getSelectedItem());
	    //System.out.println(textfield.getText());
	    if(textfield.getText().equals(""))
		query=operation.getSelectedItem()+" "+table.getSelectedItem()+" #";
	    else
		query=operation.getSelectedItem()+" "+table.getSelectedItem()+" "+textfield.getText();
	    System.out.println(query);
	    sendQuery(query);

	}
	
	/*public void mouseClicked(MouseEvent e) {
	  
	  System.out.println("SINGLE CLICK");
	  }*/	
	
    }
    
  
    
    
    
    private class T2 implements ActionListener
    {
	public void actionPerformed(ActionEvent e) 
	{
	    
	}
    }
    
 
    
    private class T1  implements KeyListener
    {
	/*public void actionPerformed(ActionEvent e) 
	  {
	  
	  }*/ public void keyTyped(KeyEvent e) {
	      
	      //System.out.println("KEY TYPED:");
	  }
	
	/** Handle the key pressed event from the text field. */
	public void keyPressed(KeyEvent e) {
	    //supresses
	    if (!Character.isLetter(e.getKeyChar())) {
		Toolkit.getDefaultToolkit().beep();
		e.consume();
	    }
	    
	    if(e.getKeyCode()==10)
		{
		    
		    // System.out.println(Integer.parseInt(textfield.getText()));
		    //   textfield.setText("ABCAST-SENT");
		}
	}
	
	/** Handle the key released event from the text field. */
	public void keyReleased(KeyEvent e) {
	    //System.out.println("KEY RELEASED:");
	}
    
    
  
    }
    // Application-only code (not executed if running as applet)
    public static void main(String[] args) {
	
	
	GUI gui;
	Applet applet = new GUI();
	applet.init();   // initialize the applet
	applet.start();  // start it
	
	 //Construct the frame that contains the applet.
	Frame frame = new Frame("client");
	frame.setBounds(0,0,400,400);
       	//applet.b1.setBounds(100,100,20,1);// add the buttons

	//frame.setLayout(new BorderLayout(200, 200));
	//frame.setLocation(10,10);
	frame.addWindowListener(new WindowAdapter(){
		
		public void windowClosing(WindowEvent e)
		{
		    System.exit(0);
		}});
	
	
	frame.add(applet);  // add applet to the frame
	//frame.pack();       // resize the frame to fit its children
	frame.show();       // display it
	
	
    }
}