loading.cs

微软的行业应用解决方案示例

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;

using HardwareDistributor.Business;
using HardwareDistributor.Controls;
using HardwareDistributor.Properties;
using HardwareDistributor.Synchronization;

using Microsoft.VisualBasic;

namespace HardwareDistributor.UI
{
    /// <summary>
    /// UI layer that displays staged items to load
    /// </summary>
    public partial class Loading : Form
    {
        #region Members

        Guid _orderId;
        Loaded _loadedItemsForm;
        GradientHeaders header;

        #endregion

        #region Constructors

        /// <summary>
        /// Pass in OrderId to constructor
        /// </summary>
        /// <param name="orderId"></param>
        public Loading(Guid orderId)
        {
            InitializeComponent();

            this._orderId = orderId;
            _loadedItemsForm = new Loaded();

            // Need to adjust the column width, so that we automatically adjust to different screen
            // sizes and orientations.
            this.columnHeaderHardware.Width = this.ItemsToLoadListView.Width - this.columnHeaderQty.Width - 4;

            // 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;

            AttachHeader();

        }

        #endregion

        #region EventHandlers


        /// <summary>
        /// Cancel the Loading operation
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemCancel_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
            this.Close();
        }

        /// <summary>
        /// View Items Loaded Clicked
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemShowLoaded_Click(object sender, EventArgs e)
        {
            // Show the items loaded
            _loadedItemsForm.Show();
        }

        /// <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 ItemsToLoadListView_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Up &&
                            (ItemsToLoadListView.Items.Count == 0 ||
                            (ItemsToLoadListView.SelectedIndices.Count > 0 && ItemsToLoadListView.SelectedIndices[0] == 0)))
            {
                e.Handled = true;
                this.SelectNextControl(ItemsToLoadListView, false, true, false, true);
            }
            else if (e.KeyCode == Keys.Down &&
                            (ItemsToLoadListView.Items.Count == 0 ||
                            (ItemsToLoadListView.SelectedIndices.Count > 0 &&
                            (ItemsToLoadListView.SelectedIndices[0] == (ItemsToLoadListView.Items.Count - 1)))))
            {
                e.Handled = true;
                this.SelectNextControl(ItemsToLoadListView, true, true, false, true);
            }
        }

        /// <summary>
        /// Launch Help
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void linkLabelHelp_Click(object sender, EventArgs e)
        {
            ShowHelpScreen();
        }

        /// 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>
        /// Load the form
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Loading_Load(object sender, EventArgs e)
        {
            try
            {
                SetTruckInfo();

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

        }

        /// <summary>
        /// Add staged items to the loaded items listview
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemLoad_Click(object sender, EventArgs e)
        {
            try
            {
                //Retrieve a collection of items from the list view control
                ListView.ListViewItemCollection selectedItems = ItemsToLoadListView.Items;
                //Iterate through the collection
                foreach (ListViewItem item in selectedItems)
                {
                    //Determine of item is selected
                    if (item.Selected)
                    {
                        int _quantity = int.Parse(item.SubItems[0].Text);
                        string _hardwareName = item.SubItems[1].Text;
                        int _inventoryId = int.Parse(item.SubItems[2].Text);

                        //Add item to Loaded Items List View
                        _loadedItemsForm.Add(_quantity, _hardwareName, _inventoryId);

                        //Remove item from list
                        ItemsToLoadListView.Items.Remove(item);
                        break;
                    }
                }
            }
            catch (Exception ex)
            {
                Business.Services.LogErrors(ex);
                MessageBox.Show(Resources.LoadingHardwareError, Resources.SystemError);
            }
        }
        /// <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
            labelStatusBar.Visible = true;
            labelStatusBar.Text = statusText;

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

        }

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

        /// <summary>
        /// Load Truck clicked
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemFinish_Click(object sender, EventArgs e)
        {
            bool localDBUpdated = false;

            //ensure all items for the order have been loaded
            if (!AllItemsLoaded())
            {
                MessageBox.Show(Resources.LoadAllStagedMessage, Resources.LoadingError);
                return;
            }