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1 using System;
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2 using System.Collections.Generic;
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3 using System.Web.UI.WebControls;
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4
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5 using PetShop.ObjectModel;
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6
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7 namespace PetShop.Web
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8 {
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9 public partial class ShoppingCartControl : System.Web.UI.UserControl
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10 {
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11 protected void Page_PreRender(object sender, EventArgs e)
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12 {
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13 if (!IsPostBack)
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14 BindCart();
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15 }
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16
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17 /// <summary>
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18 /// Bind repeater to Cart object in Profile
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19 /// </summary>
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20 private void BindCart()
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21 {
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22 ICollection<CartItem> cart = Profile.ShoppingCart.Items;
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23
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24 if (cart.Count > 0)
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25 {
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26 repShoppingCart.DataSource = cart;
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27 repShoppingCart.DataBind();
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28
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29 PrintTotal();
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30
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31 plhTotal.Visible = true;
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32 }
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33 else
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34 {
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35 repShoppingCart.Visible = false;
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36 plhTotal. Visible = false;
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37 lblMsg. Text = "Your cart is empty.";
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38 }
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39 }
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40
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41 /// <summary>
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42 /// Recalculate the total
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43 /// </summary>
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44 private void PrintTotal()
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45 {
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46 if (Profile.ShoppingCart.Items.Count > 0)
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47 ltlTotal.Text = Profile.ShoppingCart.Total.ToString("c");
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48 }
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49
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50 /// <summary>
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51 /// Calculate total
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52 /// </summary>
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53 protected void BtnTotal_Click(object sender, System.Web.UI.ImageClickEventArgs e)
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54 {
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55 TextBox txtQuantity;
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56 ImageButton btnDelete;
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57 int qty = 0;
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58
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59 foreach (RepeaterItem row in repShoppingCart.Items)
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60 {
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61 txtQuantity = (TextBox) row.FindControl("txtQuantity");
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62 btnDelete = (ImageButton)row.FindControl("btnDelete");
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63
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64 if (int.TryParse(WebUtility.InputText(txtQuantity.Text, 10), out qty))
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65 {
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66 if (qty > 0)
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67 Profile.ShoppingCart.SetQuantity(btnDelete.CommandArgument, qty);
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68 else if (qty == 0)
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69 Profile.ShoppingCart.Remove(btnDelete.CommandArgument);
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70 }
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71 }
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72
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73 Profile.Save();
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74 BindCart();
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75 }
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76
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77 /// <summary>
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78 /// Handler for Delete/Move buttons
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79 /// </summary>
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80 protected void CartItem_Command(object sender, CommandEventArgs e)
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81 {
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82 switch (e.CommandName.ToString())
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83 {
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84 case "Del":
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85 Profile.ShoppingCart.Remove(e.CommandArgument.ToString());
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86 break;
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87
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88 case "Move":
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89 Profile.ShoppingCart.Remove(e.CommandArgument.ToString());
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90 Profile.WishList.Add(e.CommandArgument.ToString());
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91 break;
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92 }
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93
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94 Profile.Save();
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95 BindCart();
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96 }
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97 }
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98 }
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