deliveries.cs

微软的行业应用解决方案示例

                    {
                        Application.DoEvents();
                        DisplayStatus(Resources.GettingDirectionsMessage, 0);
                        Application.DoEvents();

                        // go to the directions window
                        Directions directions = new Directions(_customerId);
                        directions.ShowDialog();
                        directions.Dispose();

                        this.Activate();

                        Application.DoEvents();
                    }
                    else
                    {
                        DisplayStatus(Resources.NetworkUnavailableMessage, 1000);
                    }
                }
            }
            catch (Exception ex)
            {
                Business.Services.LogErrors(ex);
                MessageBox.Show(Resources.MapLoadError, Resources.SystemError);
            }
            finally
            {
                ClearStatus();
            }
        }

        /// <summary>
        /// Launch Help
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void linkLabelHelp_Click(object sender, EventArgs e)
        {
            try
            {
                //Show Deliveries Help
                OnlineHelper myHelp = new OnlineHelper("deliveries");
                myHelp.ShowDialog();

                //Free the resources of the help form
                myHelp.Dispose();
            }
            catch (Exception ex)
            {
                Business.Services.LogErrors(ex);
                MessageBox.Show(Resources.HelpDisplayError, Resources.SystemError);
            }
        }

        /// <summary>
        /// Handle the key down event for the listview, so that we can set focus to the next control
        /// when we hit the first or last item in the list.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OrdersListView_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Up &&
                            (OrdersListView.Items.Count == 0 ||
                            (OrdersListView.SelectedIndices.Count > 0 && OrdersListView.SelectedIndices[0] == 0)))
            {
                e.Handled = true;
                this.SelectNextControl(OrdersListView, false, true, false, true);
            }
            else if (e.KeyCode == Keys.Down &&
                            (OrdersListView.Items.Count == 0 ||
                            (OrdersListView.SelectedIndices.Count > 0 &&
                            (OrdersListView.SelectedIndices[0] == (OrdersListView.Items.Count - 1)))))
            {
                e.Handled = true;
                this.SelectNextControl(OrdersListView, true, true, false, true);
            }
        }

        // <summary>
        /// Custom Handling for the back key
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BackKeyDown(object sender, KeyEventArgs e)
        {
            if ((e.KeyCode == System.Windows.Forms.Keys.Back))
            {
                // Back

                // if the back key is hit, close this dialog
                this.Close();
            }
        }

        /// <summary>
        /// Load the Deliveries form
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Deliveries_Load(object sender, EventArgs e)
        {
            try
            {
                //Fill the list view control with order and customer data
                RefreshOrdersListView();
            }
            catch (Exception ex)
            {
                Business.Services.LogErrors(ex);
                MessageBox.Show(Resources.OrderDisplayError, Resources.SystemError);
            }

        }

        /// <summary>
        /// Handles the repaint command for the dialog
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Deliveries_Paint(object sender, PaintEventArgs e)
        {
            // if the width of the listview no longer matches the width of the 
            // headers, then a rotation happened, so we need to adjust the
            // width of all the columns
            if (OrdersListView.Width != header.Width)
            {
                AdjustColumns();
            }
        }

        #endregion

        #region Methods

        /// <summary>
        /// Automatically adjust the column widths based on the width of the screen
        /// if the screen can show extra columns, show them.
        /// </summary>
        private void AdjustColumns()
        {
            System.Drawing.Graphics gx = this.CreateGraphics();
            int header1Size;
            int header2Size;
            int header3Size;
            int header4Size;
            int spacing;

            spacing = 20;

            header1Size = gx.MeasureString(columnHeaderOrderId.Text, OrdersListView.Font).ToSize().Width + spacing;
            header2Size = gx.MeasureString(columnHeaderCustomer.Text, OrdersListView.Font).ToSize().Width + spacing;
            header3Size = gx.MeasureString(columnHeaderDelivery.Text, OrdersListView.Font).ToSize().Width + spacing;
            header4Size = gx.MeasureString(columnHeaderState.Text, OrdersListView.Font).ToSize().Width + spacing;

            columnHeaderState.Width = 0;
            columnHeaderDelivery.Width = 0;

            if (OrdersListView.Width > header1Size + header2Size + header3Size + header4Size + 4)
            {
                columnHeaderOrderId.Width = header1Size;
                columnHeaderDelivery.Width = header3Size;
                columnHeaderState.Width = header4Size;
                columnHeaderCustomer.Width = OrdersListView.Width - header1Size - header3Size - header4Size - 4;
            }
            else if (OrdersListView.Width > header1Size + header2Size + header3Size + 4)
            {
                columnHeaderOrderId.Width = header1Size;
                columnHeaderDelivery.Width = header3Size;
                columnHeaderCustomer.Width = OrdersListView.Width - header1Size - header3Size - 4;
            }
            else
            {
                this.columnHeaderCustomer.Width = this.OrdersListView.Width - this.columnHeaderOrderId.Width - 4;
            }
        }
        /// <summary>
        /// insert order item into the listview
        /// </summary>
        /// <param name="currentOrder">order object</param>
        private void InsertOrderIntoList(Order currentOrder)
        {


            //Add OrderId
            ListViewItem item = new ListViewItem(currentOrder.DisplayId.ToString());

            //Add Customer Name
            item.SubItems.Add(currentOrder.Customer.CustomerName.Trim());
            
            //Add Delivery Date
            item.SubItems.Add(currentOrder.DeliveryDate.Value.ToShortDateString());
            
            //Add Order State
            item.SubItems.Add(currentOrder.OrderState.ToString());
            
            //Add CustomerId
            item.SubItems.Add(currentOrder.CustomerId.ToString());
            
            //Add CustomerId
            item.SubItems.Add(currentOrder.OrderId.ToString());

            //insert order 
            OrdersListView.Items.Add(item);
        }

        /// <summary>
        /// Fill the list view control with order
        /// customer data
        /// </summary>
        private void RefreshOrdersListView()
        {
            Application.DoEvents();

            //Retrieve OrderCollection
            List<Order> _orders = Business.Services.GetOrders(false, Business.OrderState.Loaded);

            //Clear the list view before filling
            OrdersListView.Items.Clear();

            //Iterate through OrderCollection
            foreach (Business.Order orderItem in _orders)
            {
                InsertOrderIntoList(orderItem);
            }
        }

        /// <summary>
        /// attach the gradient control to the list view
        /// </summary>
        private void AttachHeader()
        {
            // Create instance of the gradient header
            header = new HardwareDistributor.Controls.GradientHeaders();
            // Attach it to the listview
            header.Attach(ref OrdersListView);
            this.Controls.Add(header);
        }

        /// <summary>
        /// Display status in form. Wait for the specified timeout so that the user can see the message
        /// before returning
        /// </summary>
        /// <param name="statusText"></param>
        /// <param name="timeout"></param>
        private void DisplayStatus(string statusText, int timeout)
        {
            //Network isn't available
            statusBarLabel.Visible = true;
            statusBarLabel.Text = statusText;
            Application.DoEvents();

            System.Threading.Thread.Sleep(timeout);
            Application.DoEvents();

        }

        /// <summary>
        /// clear the status of the form.
        /// </summary>
        private void ClearStatus()
        {
            statusBarLabel.Text = string.Empty;
            statusBarLabel.Visible = false;
        }

        /// <summary>
        /// sends notification to the warehouse role that the order has been placed
        /// </summary>
        /// <param name="myOrder"></param>
        private void SendNotification()
        {
            //get the address for Warehouse role
            List<Role> roles = Business.Services.GetRoles();

            //find the email address for the WareHouse role
            string emailAddress = string.Empty;
            foreach (Role role in roles)
            {
                if (role.RoleName.Trim().CompareTo("Warehouse") == 0)
                {
                    emailAddress = role.EmailAddress;
                    break;
                }
            }

            if (!string.IsNullOrEmpty(emailAddress))
            {
                NotificationAgent.Instance.SendMessage(emailAddress, "SYNC", null);
            }
            else
            {
                throw new ApplicationException("Could not find email address for next role");
            }

        }


        #endregion

    }
}