delivery.cs

微软的行业应用解决方案示例

#region usings 

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using HardwareDistributor.Business;
using HardwareDistributor.Properties;
using Microsoft.VisualBasic;

#endregion

namespace HardwareDistributor.UI
{
    /// <summary>
    /// UI layer form that presents final delivery information
    /// </summary>
    public partial class Delivery : Form
    {
        #region Members

        private Guid _orderId;
        private int _customerId;

        #endregion

        #region Contructors

        /// <summary>
        /// Capture OrderId and CustomerId in constructor
        /// </summary>
        /// <param name="orderId"></param>
        /// <param name="customerId"></param>
        public Delivery(Guid orderId, int customerId)
        {
            InitializeComponent();

            // We are removing both the Control Box and the Minimize Box, so that we don't
            // have to handle these in our code. This is not necessary in Windows Mobile Standard,
            // but we are writing this code so that it works on all platforms without any changes
            // or any recompiling.
            this.ControlBox = false;
            this.MinimizeBox = false;

            this._orderId = orderId;
            this._customerId = customerId;
        }

        #endregion

        #region Event Handlers

        /// <summary>
        /// Close form and roll back state
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemCancel_Click(object sender, EventArgs e)
        {
            RevertOrderState();
            this.Close();
        }

        /// <summary>
        /// Go to the next state in the delivery wizard
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemFinish_Click(object sender, EventArgs e)
        {
            ShowDeliveryItemsForm();
        }

        /// <summary>
        /// Load the Delivery form
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Delivery_Load(object sender, EventArgs e)
        {
            try
            {
                Customer customer = GetCustomerDetails(_customerId);

                if (null != customer)
                {
                    DisplayCustomerDetails(customer);
                }

            }
            catch (Exception ex)
            {
                Services.LogErrors(ex);
                MessageBox.Show(Resources.CustomerDataDisplayError, Resources.SystemError);
            }
        }

        /// <summary>
        /// Launch Help
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void linkLabelHelp_Click(object sender, EventArgs e)
        {
            try
            {
                //Show Delivery Help

				OnlineHelper myHelp = new OnlineHelper("delivery");
				myHelp.ShowDialog();

                //Free the resources of the help form
                myHelp.Dispose();

                this.Activate();
            }
            catch (Exception ex)
            {
                Services.LogErrors(ex);
                MessageBox.Show(Resources.HelpDisplayError, Resources.SystemError);
            }
        }

        /// 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
                menuItemCancel_Click(sender, e);
            }
        }

        #endregion

        #region Methods

        /// <summary>
        /// revert bacl the order to a "loaded" state
        /// </summary>
        private void RevertOrderState()
        {
            try
            {
                //Update the Orders table to reflect a reversion to an Order State of Loaded (3)            
                Order myOrder = Services.GetOrder(_orderId);
                myOrder.OrderState = OrderState.Loaded;
                Services.SaveOrder(myOrder);


            }
            catch (Exception ex)
            {
                Services.LogErrors(ex);
                MessageBox.Show(Resources.LoadingCancelError, Resources.SystemError);
            }
        }

        /// <summary>
        /// bring up the delivery items form
        /// </summary>
        private void ShowDeliveryItemsForm()
        {
            DeliveryItems deliveryItemsForm = new DeliveryItems(_orderId, _customerId);

            DialogResult result = deliveryItemsForm.ShowDialog();
            deliveryItemsForm.Dispose();

            if (result == DialogResult.OK)
            {
                this.Close();
            }
            else
            {
                //bring back focus
                this.Activate();
            }

        }

        /// <summary>
        /// Display Customre Details
        /// </summary>
        /// <param name="cutomer"></param>
        private void DisplayCustomerDetails(Customer cutomer)
        {

            //Build a list of customer information
            StringBuilder sb = new StringBuilder();

            sb.Append(Resources.Name);
            sb.Append(": ");
            sb.Append(cutomer.CustomerName);
            sb.Append(ControlChars.CrLf);

            sb.Append(Resources.Street);
            sb.Append(": ");
            sb.Append(cutomer.StreetAddress);
            sb.Append(ControlChars.CrLf);

            sb.Append(Resources.City);
            sb.Append(": ");
            sb.Append(cutomer.City);
            sb.Append(ControlChars.CrLf);

            sb.Append(Resources.Street);
            sb.Append(": ");
            sb.Append(cutomer.StateProvince);
            sb.Append(ControlChars.CrLf);

            sb.Append(Resources.PostalCode);
            sb.Append(": ");
            sb.Append(cutomer.PostalCode);
            sb.Append(ControlChars.CrLf);

            sb.Append(Resources.ContactName);
            sb.Append(": ");
            sb.Append(cutomer.ContactName);
            sb.Append(ControlChars.CrLf);

            sb.Append(Resources.ContactPhone);
            sb.Append(": ");
            sb.Append(cutomer.ContactPhone);

            //Set address textbox equal to the stringbuilder contents
            AddressTextBox.Text = sb.ToString();
        }

        /// <summary>
        /// Retrieve customer details from the data store
        /// </summary>
        /// <param name="_customerId"></param>
        /// <returns></returns>
        private Customer GetCustomerDetails(int _customerId)
        {
            Customer customer = null;

            //Retrieve Customer List
            List<Customer> _customers = GlobalCache.Instance.Customers;

            //Iterate through Customer Collection
            foreach (Customer cutomer in _customers)
            {
                //If the Customer object matches the CustomerId
                if (cutomer.CustomerId == _customerId)
                {
                    customer = cutomer;
                    break;
                }
            }

            return customer;
        }

        #endregion
    }
}