// @topic T11712 MVC Demo - Food Order // @brief Use Case Controller class package mvc_demo; import java.util.ArrayList; public class ControllerMenu { //-------------------------------------- // data attributes //-------------------------------------- private WindowMenu windowMenu = null; private WindowOrders windowOrders = null; private OrderHistory orderHistory = null; //-------------------------------------- // constructors //-------------------------------------- public ControllerMenu() { // create business objects as // needed by this use case orderHistory = new OrderHistory(); } //-------------------------------------- // operations //-------------------------------------- public void clearOrders() { orderHistory.clearOrders(); // make sure window is updated: showOrders(); }//clearOrders public void showOrders() { ArrayList<Integer> orders = orderHistory.getOrderHistory(); windowOrders.updateOrders( orders ); windowOrders.setVisible(true); }//showOrders public void placeOrder( int idx ) { orderHistory.addOrder(idx); }//placeOrder public WindowMenu getWindowMenu() { return windowMenu; }//getWindowMenu public void setWindowMenu(WindowMenu windowMenu) { this.windowMenu = windowMenu; }//setWindowMenu public OrderHistory getOrderHistory() { return orderHistory; }//getOrderHistory public void setOrderHistory(OrderHistory orderHistory) { this.orderHistory = orderHistory; }//setOrderHistory public WindowOrders getWindowOrders() { return windowOrders; }//getWindowOrders public void setWindowOrders(WindowOrders windowOrders) { this.windowOrders = windowOrders; }//setWindowOrders }//class ControllerMenu