package luento23;


import javax.swing.JPanel;
import java.awt.FlowLayout;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;


/**
 * Piano jota voi soittaa
 * @author vesal
 * @version 21.11.2010
 */
public class PanelKokoPiano extends JPanel {

    private static final long serialVersionUID = 1L;

    private final PanelPiano panelPiano3 = new PanelPiano();
    private final PanelPiano panelPiano4 = new PanelPiano();
    
    
    private PanelPiano[] oktaavit = { panelPiano3,panelPiano4 };
    private StringBuilder alhaalla = new StringBuilder();


    /**
     * Create the frame.
     */
    public PanelKokoPiano() {
        setBounds(100, 100, 963, 330);
        setLayout(new FlowLayout(FlowLayout.CENTER, 0, 0));
        panelPiano3.setOctave(3);
        
        add(panelPiano3);
        panelPiano4.setOctave(4);
        add(panelPiano4);
        addKeyListener(new KeyAdapter() {
            @Override
            public void keyPressed(KeyEvent e) {
                aloita(e.getKeyChar());
            }
            @Override
            public void keyReleased(KeyEvent e) {
                lopeta(e.getKeyChar());
            }
        });
        
        panelPiano3.setLiitos("awsedftgyhuj");
        panelPiano4.setLiitos("kolpöäå'");
        
    }
    
    public boolean aloita(char c) {
        if ( alhaalla.indexOf(""+c) >= 0 ) return false;
        alhaalla.append(c);
        for ( PanelPiano panelPiano : oktaavit)
          if ( panelPiano.aloita(c) ) return true;
        return false;
    }

    
    public boolean lopeta(char c) {
        int i = alhaalla.indexOf(""+c);
        if ( i >=0 ) alhaalla.deleteCharAt(i);
        for ( PanelPiano panelPiano : oktaavit)
          if ( panelPiano.lopeta(c) ) return true;
        return false;
    }
    
}