@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_cart);
lvCartItems = (ListView) findViewById(R.id.lvCartItems);
LayoutInflater layoutInflater = getLayoutInflater();
final Cart cart = CartHelper.getCart();
final TextView tvTotalPrice = (TextView) findViewById(R.id.tvTotalPrice);
tvTotalPrice.setText(String.valueOf(cart.getTotalPrice()));
lvCartItems.addHeaderView(layoutInflater.inflate(R.layout.cart_header, lvCartItems, false));
final CartItemAdapter cartItemAdapter = new CartItemAdapter(this);
cartItemAdapter.updateCartItems(getCartItems(cart));
lvCartItems.setAdapter(cartItemAdapter);
bClear = (Button) findViewById(R.id.bClear);
bShop = (Button) findViewById(R.id.bShop);
bClear.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
Log.d(TAG, "Clearing the shopping cart");
cart.clear();
cartItemAdapter.updateCartItems(getCartItems(cart));
cartItemAdapter.notifyDataSetChanged();
tvTotalPrice.setText(String.valueOf(cart.getTotalPrice()));
}
});
bShop.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(ShoppingCartActivity.this, MainActivity.class);
startActivity(intent);
}
});
}
private List<CartItem> getCartItems(Cart cart) {
List<CartItem> cartItems = new ArrayList<CartItem>();
Log.d(TAG, "Current shopping cart: " + cart);
Map<Saleable, Integer> itemMap = (Map<Saleable, Integer>) cart.getItemWithQuantity();
for (Entry<Saleable, Integer> entry : itemMap.entrySet()) {
CartItem cartItem = new CartItem();
cartItem.setProduct((Product) entry.getKey());
cartItem.setQuantity(entry.getValue());
cartItems.add(cartItem);
}
Log.d(TAG, "Cart item list: " + cartItems);
return cartItems;
}