cancelOrder method

void cancelOrder(
  1. String orderId
)

Cancels an order and removes it from the chart canvas.

Implementation

void cancelOrder(String orderId) {
  final removed = _orders.where((o) => o.id == orderId).toList();
  _orders.removeWhere((o) => o.id == orderId);
  if (removed.isNotEmpty) {
    onOrderCancelled?.call(orderId);
    notifyListeners();
  }
}