/**
 *  <PRE>
 *  EventHandler.java
 *
 *  Revisions: 1.0 Nov. 10, 2002
 *               Created the EventHandler class
 *			   1.1 Nov. 10, 2002
 *				 Compiled, Commented, Finished
 *
 *  </PRE>
 *
 *	Collaboration Statement:
 *    I worked on the homework assignment alone, using only             
 *    course materials.
 *  
 *  Created with JCreatorLE, some indents are off when viewed through notepad
 *    or EMACS
 *
 *  @author <A HREF="mailto:gtg184g@mail.gatech.edu">Jose Manuel Caban</A>
 *  @version Version 1.0, Nov. 10, 2002
 */

import java.awt.event.*;
import javax.swing.event.*;
import java.util.*;
import javax.swing.*;

public class EventHandler implements ActionListener{
	
  /**
   *Displays user actions to console (y/n)
   */
  public static boolean bVerbose;
  //similar to bDebug, but doesn't interefere with the program
  
  /**
   *Holds the currently selected sort
   */
  private AbstractSort sort;
  
  /**
   *ChangeListener, notified of changes
   */
  private ChangeListener chgListener;
  
  ////////////////
  //Constructors//
  ////////////////
  
  /**
   *Default Constructor
   *@param cl, the Listener it will Handle
   */
  public EventHandler(ChangeListener cl){
  	chgListener = cl;
  	bVerbose = true;
  }
  
  /**
   *Constructor that is used for the P5 driver
   *sets bVerbose to false
   */
  public EventHandler(ChangeListener cl, boolean bVerbose){
  	chgListener = cl;
  	this.bVerbose = bVerbose;
  } 
  
  ///////////
  //Methods//
  ///////////
  
  /**
   *Handles the events taken from the ChangeListener
   *@param ae, the ActionEvent to be analyzed
   */
  public void actionPerformed(ActionEvent ae){
  	if(ae.getSource() instanceof JMenuItem){
  		
  		if(bVerbose)System.out.print("Creating Array...");
  		
  		ArrayWrapper aw = 
  				new ArrayWrapper(ArrayWrapper.getRandomIntegerArray(60));
  		aw.addChangeListener(chgListener);
  		if(bVerbose)System.out.println("Done.");
  		
  		String str = ae.getActionCommand();
  		
  		if(str.equals("Bubble Sort")){
  			if(bVerbose)System.out.println("User chose Bubble Sort");
  			BubbleSort bs = new BubbleSort(aw);
  			sort = bs;
  		}
  		else if(str.equals("Insertion Sort")){
  			if(bVerbose)System.out.println("User chose Insertion Sort");
  			InsertionSort is = new InsertionSort(aw);
  			sort = is;
  		}
  		else if(str.equals("Merge Sort")){
  			if(bVerbose)System.out.println("User chose Merge Sort");
  			MergeSort M$ = new MergeSort(aw);
  			sort = M$;
  		}
  		else{//if(str.equals("Quick Sort"){
  			if(bVerbose)System.out.println("User chose Quick Sort");
  			QuickSort qs = new QuickSort(aw);
  			sort = qs;
  		}
  		
  	}//end if(ae.getSource() instanceof JMenuItem)
  	else if(ae.getSource() instanceof JButton){
  		if(sort == null){
  			if(bVerbose)
  				System.out.println(
  					"User attempted to start without selecting a sort");
  		}
  		else{
  			if(bVerbose)System.out.println("User selected Begin Sort");
  			sort.doSort();
  		}
  	}//end if(ae.getSource() instanceof JButton
  }//end actionPerformed()
  
  /***********************************************************************/
  		
  /**
   *  Debugging main for class EventHandler.  
   *  This method will rigorously test my code.
   *
   *  <br><br>
   *  @param args a String array of command line arguments.
   */
  public static void main(String[] args) {
    
    
  }// end of main(String[] args)

}// end of class EventHandler