Help with add a function in the below Java code, so when click on a card and then click in the panel, the card moves to that place. class DrawingPanel extends JPanel implements MouseListener, MouseMotionListener $\{$

private final ArrayList deck;

private final ArrayList throwawayPile;

private Card selectedCard;

private Point lastMousePosition;

private final CardPile newPile;

private Card card;

private int width;

private int height;

public DrawingPanel$()\{$

deck $=$ new ArrayList$<>()$;

throwawayPile $=$ new ArrayList$<>()$;

addMouseListener$($this$)$;

addMouseMotionListener$($this$)$;

clear$()$;

$//$ int width $=0$;

$//$ int height $=0$;

CardPileMiddle centerPile $=$ new CardPileMiddle$(275,150,150,200,$ Color.YELLOW$)\{$

@Override

public void mouseDragged$($MouseEvent e$)\{$

$\}$

@Override

public void mouseReleased$($MouseEvent e$)\{$

$\}$

$\}$;

newPile $=$ new CardPile$(500,500,0,0,$ Color.GRAY$)\{$

@Override

public boolean dropCardIfContains$($Point mousePoint, Card card$)\{$

return false;

$\}$

@Override

public void placeCard$($Card card$)\{$

$\}$

$\}$;

this.add$($centerPile$)$;

$\}$

private void initializeDeck$()\{$

deck.clear$()$;

String$[]$ suits $=\{"$Hj$","$Ru$","$Kl$","$Sp$"\}$;

String$[]$ ranks $=\{"$Ess$","2","3","4","5","6","7","8","9","10","$Kn$","$Q$","$K$"\}$;

int xOffset $=250$;

int yOffset $=5$;

int cardWidth $=50$;

int cardHeight $=70$;

for $($String suit : suits$)\{$

for $($String rank : ranks$)\{$

deck.add$($new Card$($xOffset$,$ yOffset, cardWidth, cardHeight, Color.BLACK, rank, suit$))$;

$\}$

$\}$

shuffleDeck$()$;

$\}$

@Override

protected void paintComponent$($Graphics g$)\{$

super.paintComponent$($g$)$;

for $($Card card : deck$)\{$

if $(!$card.equals$($selectedCard$))\{$

card.draw$($g$)$;

$\}$

$\}$

for $($Card card : throwawayPile$)\{$

if $(!$card.equals$($selectedCard$))\{$

card.draw$($g$)$;

$\}$

$\}$

if $($selectedCard $!=$ null$)\{$

selectedCard.draw$($g$)$;

newPile.draw$($g$)$;

$\}$

$\}$

public void clear$()\{$

if $($deck$.$size$()>=52)\{$

deck.subList$(0,52).$clear$()$;

repaint$()$;

$\}$

$\}$

public void displayFourCards$()\{$

clear$()$;

initializeDeck$()$;

CardUtil.displayFourCards$($deck$)$;

int componentCount $=$ this.getComponentCount$()$;

for $($int i $=0$; i $<4$; i$++)\{$

if $(($componentCount $-$ i $-1)>=0)\{$

this.setComponentZOrder$($this$.$getComponent$($componentCount $-$ i $-1),$ i$)$;

$\}$

$\}$

throwawayPile.clear$()$;

repaint$()$;

$\}$

@Override

public void mouseClicked$($MouseEvent e$)\{$

Point mousePoint $=$ e$.$getPoint$()$;

if $($newPile$.$contains$($mousePoint$))\{$

newPile.removeTopCard$()$;

repaint$()$;

return;

$\}$

if $($selectedCard $==$ null $||!$selectedCard.contains$($mousePoint$))\{$

for $($int i $=$ deck.size$()-1$; i $>=4$; i$--)\{$

if $($deck$.$get$($i$).$contains$($mousePoint$))\{$

Card clickedCard $=$ deck.get$($i$)$;

if $(!$clickedCard.equals$($selectedCard$))\{$

selectedCard $=$ clickedCard;

clickedCard.toggleDenomination$()$;

moveCardToThrowawayPile$($clickedCard$)$;

deck.remove$($i$)$;

$//$deck$.$add$($clickedCard$)$;

repaint$()$;

break;

$\}$

$\}$

$\}$

$\}$

if $($newPile$.$contains$($mousePoint$))\{$

newPile.removeTopCard$()$;

repaint$()$;

return;

$\}$

for $($int i $=$ throwawayPile.size$()-1$; i $>=0$; i$--)\{$

if $($throwawayPile$.$get$($i$).$contains$($mousePoint$))\{$

selectedCard $=$ throwawayPile.get$($i$)$;

lastMousePosition $=$ mousePoint;

newPile.moveTopCardTo$($lastMousePosition$)$;

lastMousePosition $=$ null;

repaint$()$;

return;

$\}$

$\}$

if $($lastMousePosition $!=$ null$)\{$

newPile.moveTopCardTo$($lastMousePosition$)$;

lastMousePosition $=$ null;

repaint$()$;

$\}$

if $($selectedCard $!=$ null$)\{$

if $(!$newPile.contains$($e$.$getPoint$()))\{$

selectedCard.move$($e$.$getX$()-$ selectedCard.width $/2,$ e$.$getY$()-$ selectedCard.height $/2)$;

$\}$ else $\{$

newPile.addCard$($selectedCard$)$;

throwawayPile.remove$($selectedCard$)$;

$\}$

selectedCard $=$ null;

repaint$()$;

$\}$

$\}$