narsil/Tanshu.Accounts.PointOfSale/Sales/SalesForm.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Windows.Forms;
using Tanshu.Accounts.BI;
using Tanshu.Accounts.Contracts;
using Tanshu.Accounts.Helpers;
using Tanshu.Common;


namespace Tanshu.Accounts.PointOfSale
{
    public partial class SalesForm : Form, ISaleForm
    {
        BillController billController;
        List<Button> buttonList = new List<Button>();
        List<Button> buttonHeads = new List<Button>();
        int page = 0;
        int pageSize = 6;

        public SalesForm(BillController billController)
        {
            InitializeComponent();
            this.billController = billController;
            billController.InitGui(this);
        }

        public SalesForm(Guid voucherID, BillController billController)
            : this(billController)
        {
            billController.SetNewBillID(voucherID);
        }

        public void SetUserName(string name)
        {
            this.Text = name;
        }
        private void SalesForm_KeyDown(object sender, KeyEventArgs e)
        {
            switch (e.KeyCode)
            {
                case Keys.F2:
                    {
                        if (dgvProducts.Rows.Count > 0)
                            billController.SetQuantity(billController.CurrentProduct(dgvProducts.CurrentRow.Index), bindingSource, 0, false, true);
                        break;
                    }
                case Keys.F3:
                    {
                        btnDiscount_Click(sender, new EventArgs());
                        break;
                    }
                case Keys.F4:
                    {
                        if (!e.Alt)
                            billController.ShowCustomerList(false);
                        break;
                    }
                case Keys.F5:
                    {
                        btnWaiter_Click(sender, new EventArgs());
                        break;
                    }
                case Keys.F7:
                    {
                        using (SelectProduct selectProduct = new SelectProduct(ProductBI.GetFilteredProducts, true))
                        {
                            selectProduct.ShowDialog();
                            if (selectProduct.SelectedItem != null)
                                billController.AddProductToGrid(selectProduct.SelectedItem.ProductID, bindingSource);
                        }
                        break;
                    }
                case Keys.F8:
                    {
                        billController.LoadBillFromTable(null);
                        break;
                    }
                case Keys.F9:
                    {
                        if (dgvProducts.Rows.Count > 0)
                            billController.SetAmount(billController.CurrentProduct(dgvProducts.CurrentRow.Index), bindingSource, -1);
                        break;
                    }
                case Keys.F11:
                    {
                        btnPrintBill_Click(sender, e);
                        break;
                    }
                case Keys.F12:
                    {
                        btnPrintKot_Click(sender, e);
                        break;
                    }
                case Keys.Delete:
                    {
                        if (dgvProducts.Rows.Count > 0)
                            billController.ProductRemove(billController.CurrentProduct(dgvProducts.CurrentRow.Index));
                        break;
                    }
                case Keys.Add:
                    {
                        if (dgvProducts.Rows.Count > 0)
                            billController.SetQuantity(billController.CurrentProduct(dgvProducts.CurrentRow.Index), bindingSource, 1, false, false);
                        break;
                    }
                case Keys.Subtract:
                    {
                        if (dgvProducts.Rows.Count > 0)
                            billController.SetQuantity(billController.CurrentProduct(dgvProducts.CurrentRow.Index), bindingSource, -1, false, false);
                        break;
                    }
                case Keys.Up:
                    {
                        if ((bindingSource.Position >= 1) && (!dgvProducts.Focused))
                            bindingSource.Position -= 1;
                        break;
                    }
                case Keys.Down:
                    {
                        if ((bindingSource.Position < bindingSource.Count - 1) && (!dgvProducts.Focused))
                            bindingSource.Position += 1;
                        break;
                    }
                case Keys.Escape:
                    {
                        billController.CancelBillChanges();
                        break;
                    }
            }
        }

        #region Helper Functions
        public void ClearBill(Dictionary<BillItemKey, SalesBillItemBO> bill)
        {
            this.txtBillID.Text = "";
            this.txtKotID.Text = "";
            this.txtCreationDate.Text = "";
            this.txtDate.Text = "";
            this.txtLastEditDate.Text = "";
            this.txtTableID.Text = "";
            this.btnWaiter.Text = "Waiter - F5";
            this.btnWaiter.Tag = null;
            txtGrossTax.Text = "0.00";
            txtDiscount.Text = "0.00";
            txtServiceCharge.Text = "0.00";
            txtGrossAmount.Text = "0.00";
            txtAmount.Text = "0.00";
            bindingSource.DataSource = bill.Values;
            ChangeFormState(SaleFormState.Waiting);
        }
        private void ChangeFormState(SaleFormState state)
        {
            foreach (var button in buttonList)
                button.Dispose();
            foreach (var button in buttonHeads)
                button.Dispose();
            buttonList = new List<Button>();
            buttonHeads = new List<Button>();
            if (state == SaleFormState.Billing)
            {
                btnPrevious.Visible = true;
                btnNext.Visible = true;
                page = 0;
                var list = new ProductGroupBI().GetProductGroups();
                ControlFactory.GenerateButtons(ref pnlBilling, ref buttonHeads, new Rectangle(889, 90, 85, 498), 1, pageSize, 2, page, list, new ButtonClickDelegate(productTypeButton_Click));
            }
            else
            {
                btnPrevious.Visible = false;
                btnNext.Visible = false;
                ControlFactory.GenerateTables(ref pnlBilling, ref buttonHeads, new Rectangle(390, 94, 499, 385), 6, 10, 2, new FoodTableBI().GetFoodTables(), new ButtonClickDelegate(tableButton_Click));
            }
        }
        public void ShowModifiers(Guid productGroupID)
        {
            ControlFactory.GenerateModifiers(ref pnlBilling, ref buttonList, new Rectangle(390, 94, 499, 385), 5, 6, 2, ProductGroupModifierBI.GetProductGroupModifiers(productGroupID), new ButtonClickDelegate(modifierButton_Click));
        }
        private void modifierButton_Click(object sender, EventArgs e)
        {
            Button button = sender as Button;
            if (button == null)
                return;
            string tag = (string)button.Tag;
            billController.AddModifier(tag);
        }

        private void productTypeButton_Click(object sender, EventArgs e)
        {
            Button button = sender as Button;
            if (button == null)
                return;
            Guid tag = (Guid)button.Tag;
            ControlFactory.GenerateButtons(ref pnlBilling, ref buttonList, new Rectangle(390, 94, 499, 385), 5, 6, 2, ProductBI.GetProducts(tag), new ButtonClickDelegate(productButton_Click));
        }
        private void productButton_Click(object sender, EventArgs e)
        {
            Button button = sender as Button;
            if (button == null)
                return;
            Guid tag = (Guid)button.Tag;
            billController.AddProductToGrid(tag, bindingSource);
        }
        private void tableButton_Click(object sender, EventArgs e)
        {
            Button button = sender as Button;
            if (button == null)
                return;
            string tableName = button.Text;
            billController.LoadBillFromTable(tableName);
            txtTableID.Text = tableName;
            ChangeFormState(SaleFormState.Billing);
        }
        public void ShowAmount(decimal discountAmount, decimal grossAmount, decimal serviceChargeAmount, decimal taxAmount, decimal valueAmount, List<SalesBillItemBO> bill)
        {
            txtGrossTax.Text = string.Format("{0:#0.00}", taxAmount);
            txtDiscount.Text = string.Format("{0:#0.00}", discountAmount);
            txtServiceCharge.Text = string.Format("{0:#0.00}", serviceChargeAmount);
            txtGrossAmount.Text = string.Format("{0:#0.00}", grossAmount);
            txtAmount.Text = string.Format("{0:#0.00}", Math.Round(valueAmount));
            bindingSource.DataSource = bill;
            dgvProducts.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.DisplayedCells);
        }

        private void btnPrintBill_Click(object sender, EventArgs e)
        {
            if (btnWaiter.Tag == null)
                btnWaiter.Tag = new WaiterBI().GetWaiters()[0].WaiterID;
            billController.Save(true, (Guid)btnWaiter.Tag, txtTableID.Text);
        }
        private void btnPrintKot_Click(object sender, EventArgs e)
        {
            if (btnWaiter.Tag == null)
                btnWaiter.Tag = new WaiterBI().GetWaiters()[0].WaiterID;
            billController.Save(false, (Guid)btnWaiter.Tag, txtTableID.Text);
        }
        private void btnMultiPrint_Click(object sender, EventArgs e)
        {
            if (btnWaiter.Tag == null)
                btnWaiter.Tag = new WaiterBI().GetWaiters()[0].WaiterID;
            billController.Save(true, (Guid)btnWaiter.Tag, txtTableID.Text);

        }
        private void btnCancel_Click(object sender, EventArgs e)
        {
            billController.CancelBillChanges();
        }

        private void btnQuantity_Click(object sender, EventArgs e)
        {
            if (dgvProducts.Rows.Count > 0)
                billController.SetQuantity(billController.CurrentProduct(dgvProducts.CurrentRow.Index), bindingSource, 0, false, true);
        }
        private void btnDiscount_Click(object sender, EventArgs e)
        {
            if (dgvProducts.Rows.Count > 0)
                billController.SetDiscount(billController.CurrentProduct(dgvProducts.CurrentRow.Index), -1);
        }
        #endregion

        private void SalesForm_Load(object sender, EventArgs e)
        {
            billController.FormLoad();
            ChangeFormState(SaleFormState.Waiting);
        }

        private void btnCustomer_Click(object sender, EventArgs e)
        {
            billController.ShowCustomerList(false);
        }

        public void SetCustomerDisplay(string name)
        {
            btnCustomer.Text = name;
        }
        public void ShowInfo(string billID, string kotID, DateTime creationDate, DateTime date, DateTime lastEditDate, string customer, string tableID, Guid waiterID, string waiter)
        {
            this.txtBillID.Text = billID;
            this.txtKotID.Text = kotID;
            this.txtCreationDate.Text = creationDate.ToString("HH:mm dd-MMM-yyyy");
            this.txtDate.Text = date.ToString("HH:mm dd-MMM-yyyy");
            this.txtLastEditDate.Text = lastEditDate.ToString("HH:mm dd-MMM-yyyy");
            this.btnCustomer.Text = customer;
            this.txtTableID.Text = tableID;
            this.btnWaiter.Tag = waiterID;
            this.btnWaiter.Text = string.Format("{0} - F5", waiter);

        }
        private void btnVoid_Click(object sender, EventArgs e)
        {
            try
            {
                billController.VoidBill();
            }
            catch (PermissionException ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
        private void btnRate_Click(object sender, EventArgs e)
        {
            if (dgvProducts.Rows.Count > 0)
            {
                billController.ChangeRate(dgvProducts.CurrentRow.Index);
            }
        }
        private void btnClear_Click(object sender, EventArgs e)
        {
            billController.ClearBill();
        }

        private void dgvProducts_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
        {
            DataGridView dgv = sender as DataGridView;
            SalesBillItemBO data = dgv.Rows[e.RowIndex].DataBoundItem as SalesBillItemBO;

            if (data.Printed > 0)
            {
                e.CellStyle.SelectionBackColor = Color.HotPink;
                e.CellStyle.BackColor = Color.LightPink;
            }
            else
            {
                e.CellStyle.SelectionBackColor = Color.Green;
                e.CellStyle.BackColor = Color.LightGreen;
            }
        }

        private void btnWaiter_Click(object sender, EventArgs e)
        {
            using (SelectWaiter selectWaiter = new SelectWaiter(new WaiterBI().GetFilteredWaiters, true))
            {
                selectWaiter.waiterEvent += new WaiterEventHandler(selectWaiter_waiterEvent);
                selectWaiter.ShowDialog();
                if (selectWaiter.SelectedItem != null)
                {
                    btnWaiter.Text = string.Format("{0} - F5", selectWaiter.SelectedItem.Name);
                    btnWaiter.Tag = selectWaiter.SelectedItem.WaiterID;
                }
                else
                {
                    btnWaiter.Text = "Select Waiter - F5";
                    btnWaiter.Tag = new WaiterBI().GetWaiters()[0].WaiterID;
                }
            }
        }
        WaiterBO selectWaiter_waiterEvent(object sender, WaiterEventArgs e)
        {
            WaiterBO waiter = e.Waiter;
            if (!Thread.CurrentPrincipal.IsInRole("Waiter/Master"))
                return waiter;

            switch (e.Action)
            {
                case 1: // Add
                    new WaiterBI().Insert(waiter);
                    e.Handled = true;
                    return waiter;
                case 2: // Edit
                    new WaiterBI().Update(waiter);
                    e.Handled = true;
                    return waiter;
                case 3: // Delete
                    e.Handled = new WaiterBI().Delete(waiter.WaiterID);
                    return new WaiterBI().GetWaiter(1);
                default:
                    throw new ArgumentException();
            }
        }
        public void CloseWindow()
        {
            this.Close();
        }
        #region Dynamic Buttons
        private void btnPrevious_Click(object sender, EventArgs e)
        {
            page--;
            var list = new ProductGroupBI().GetProductGroups();
            if (page == -1)
                page = 0;

            ControlFactory.GenerateButtons(ref pnlBilling, ref buttonHeads, new Rectangle(889, 90, 85, 498), 1, pageSize, 2, page, list, new ButtonClickDelegate(productTypeButton_Click));
        }
        private void btnNext_Click(object sender, EventArgs e)
        {
            page++;
            var list = new ProductGroupBI().GetProductGroups();
            int pages = Convert.ToInt32(Math.Ceiling(Convert.ToDouble(list.Count) / Convert.ToDouble(pageSize)));
            if (page == pages)
                page--;

            ControlFactory.GenerateButtons(ref pnlBilling, ref buttonHeads, new Rectangle(889, 90, 85, 498), 1, pageSize, 2, page, list, new ButtonClickDelegate(productTypeButton_Click));
        }
        #endregion

        private void btnSettle_Click(object sender, EventArgs e)
        {
            billController.SettleBill();
        }
    }
}