deliveryitems.cs

微软的行业应用解决方案示例

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Microsoft.WindowsMobile.Status;
using HardwareDistributor.Properties;

namespace HardwareDistributor.UI
{
    public partial class DeliveryItems : Form
    {
        int _itemsToDeliver;
        Guid _orderId;
        int _customerId;
        private List<Business.OrderDetail> _orderDetails = null;
        private List<Business.Inventory> _inventory = null;
        private HardwareDistributor.Controls.GradientHeaders header;
        private SystemState rotation = null;

        public DeliveryItems(Guid orderId, int customerId)
        {
            InitializeComponent();

            // Need to adjust the column width, so that we automatically adjust to different screen
            // sizes and orientations.
			AdjustColumns();

            // 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;

            // Create instance of the gradient header
            header = new HardwareDistributor.Controls.GradientHeaders();
            // Attach it to the listview
            header.Attach(ref deliveryItemsListView);
            this.Controls.Add(header);
        }

		/// <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 spacing;

			spacing = 20;

			header1Size = gx.MeasureString(columnHeaderQty.Text, deliveryItemsListView.Font).ToSize().Width + spacing;
			header2Size = gx.MeasureString(columnHeaderItem.Text, deliveryItemsListView.Font).ToSize().Width + spacing;
			header3Size = gx.MeasureString(columnHeaderPrice.Text, deliveryItemsListView.Font).ToSize().Width + spacing;

			columnHeaderPrice.Width = 0;
			columnHeaderInventoryId.Width = 0;

			if (deliveryItemsListView.Width > header1Size + header2Size + header3Size + 4)
			{
				columnHeaderQty.Width = header1Size;
				columnHeaderPrice.Width = header3Size;
				columnHeaderItem.Width = deliveryItemsListView.Width - header1Size - header3Size - 4;
			}			
			else
			{
				this.columnHeaderItem.Width = this.deliveryItemsListView.Width - this.columnHeaderQty.Width - 4;
			}
		}

        /// <summary>
        /// Load the Delivery Items form
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void DeliveryItems_Load(object sender, EventArgs e)
        {
            try
            {
                //Retrieve OrderDetailsCollection
                _orderDetails = Business.Services.GetOrderDetails(_orderId);

                //Retrieve InventoryCollection
                _inventory = Business.Services.GetInventory();

                string _hardwareName = string.Empty;
                decimal _subTotal = 0;
                decimal _totalPrice = 0;

                //Iterate through OrderDetailsCollection
                foreach (Business.OrderDetail orderDetailsItem in _orderDetails)
                {
                    // get the line total
                    _subTotal = orderDetailsItem.Inventory.Price.Value * orderDetailsItem.Quantity.Value;

                    //Add the subtotals to get the total price for the order
                    _totalPrice += _subTotal;

                    //Add Quantity
                    ListViewItem lvi = new ListViewItem(orderDetailsItem.Quantity.ToString());
                    //Add Hardware Name
                    lvi.SubItems.Add(orderDetailsItem.Inventory.InventoryName);
                    //Add Price
                    lvi.SubItems.Add(_subTotal.ToString());
                    //Add Inventory Id
                    lvi.SubItems.Add(orderDetailsItem.InventoryId.ToString());
                    //Add ListView Items to ListView
                    deliveryItemsListView.Items.Add(lvi);
                    //Update column header
                    deliveryItemsListView.Columns[1].Text = Resources.Item + " $" + _totalPrice.ToString();

                }

                //This number will be compared later to see if order is complete
                _itemsToDeliver = deliveryItemsListView.Items.Count;
            }
            catch (Exception ex)
            {
                Business.Services.LogErrors(ex);
                MessageBox.Show(Resources.CustomerDataDisplayError, Resources.SystemError);
            }
        }

        /// <summary>
        /// Go to the next state in the delivery wizard
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemNext_Click(object sender, EventArgs e)
        {
            try
            {                
                //Test to see if any items exist in list view
                if (deliveryItemsListView.Items.Count > 0)
                {
                    //Count all the items that have been checked
                    ListView.ListViewItemCollection orderItems = deliveryItemsListView.Items;
                    int _checkedItems = 0;
                    foreach (ListViewItem item in orderItems)
                    {
                        if (item.Checked)
                        {
                            _checkedItems++;

                        }
                    }


                    //If the items checked equals the number of items to deliver then proceed
                    if (_checkedItems == _itemsToDeliver)
                    {                        
                        //Get the delivery signature                        
                        Form deliverySignatureForm = DeliverySignatureFormFactory.GetDeliverySignatureForm(_orderId, _customerId);
                        if (deliverySignatureForm.ShowDialog() == DialogResult.OK)
						{
							this.DialogResult = DialogResult.OK;
							this.Close();
						}

                        deliverySignatureForm.Dispose();						
                    }
                    else
                    {
                        MessageBox.Show(Resources.CheckAllItemsMessage, Resources.DeliveryError);
                    }
                }
                else
                {
                    MessageBox.Show(Resources.NoDeliveryItemsMessage, Resources.DeliveryError);
                }                
            }
            catch (Exception ex)
            {
                Business.Services.LogErrors(ex);
                MessageBox.Show(Resources.CompletingDeliveryError, Resources.SystemError);
            }
        }

        /// <summary>
        /// Go to the last state in the delivery wizard
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemBack_Click(object sender, EventArgs e)
        {
			this.DialogResult = DialogResult.Cancel;
			this.Close();
        }

		// <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.DialogResult = DialogResult.Cancel;
				this.Close();
			}
		}

		/// <summary>
		/// Handles the repaint command for the dialog
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void DeliveryItems_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 (deliveryItemsListView.Width != header.Width)
			{
				AdjustColumns();
			}
		}

    }
}