import java.awt.GridLayout;
import java.awt.event.ActionEvent;
//import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JPanel;

/**
 *
 * @author Pete Cappello
 */
public class ControlPanel extends JPanel 
{
    private final View view;
    private final GVM gvm;
    
    private final JButton runButton  = new JButton( "Run" );
    private final JButton stepButton = new JButton( "Step" );
    
    ControlPanel( View view, GVM gvm ) 
    {
        this.view = view;
        this.gvm = gvm;
     
        setLayout( new GridLayout( 1, 2 ) );
        add( runButton );
        add( stepButton );

        initialize();
        view.setImage( gvm.getImage() );
        gvm.load(); // load program to be executed
    }

    private void initialize() 
    {
        //------------------------------------------
        // contoller TEMPLATE CODE for each action
        //------------------------------------------
        // If you are running Java 8, use lambda expressions
        runButton.addActionListener( ( ActionEvent actionEvent ) -> 
        {
            runButtonActionPerformed( actionEvent );
        });
        
        stepButton.addActionListener( ( ActionEvent actionEvent ) -> 
        {
            stepButtonActionPerformed( actionEvent );
        });
        
        // If you are not running Java 8, uncomment the code below   
//        runButton.addActionListener( new ActionListener() 
//        {
//            @Override
//            public void actionPerformed( ActionEvent actionEvent ) 
//            {
//                runButtonActionPerformed( actionEvent );
//            }
//        });
               
//        stepButton.addActionListener( new ActionListener() 
//        {
//            @Override
//            public void actionPerformed( ActionEvent actionEvent ) 
//            {
//                stepButtonActionPerformed( actionEvent );
//            }
//        });
    }

    // _____________________________
    //  controller for each action
    // _____________________________
    private void runButtonActionPerformed( ActionEvent actionEvent ) 
    {
        gvm.run();
        view.repaint();
    }

    private void stepButtonActionPerformed( ActionEvent actionEvent ) 
    { 
        gvm.step();
        view.repaint();
    }
}