using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Ease.CoreV35.Utility;
using Ease.CoreV35.Model;
using Payroll.BO;

namespace Payroll.Controls
{
    public partial class fSearchVendor : Form
    {
        private ObjectsTemplate<Vendor> oVendors = new ObjectsTemplate<Vendor>();

        public fSearchVendor()
        {
            InitializeComponent();
        }

        public ObjectsTemplate<Vendor> ShowDlg()
        {
            this.ShowDialog();
            return oVendors;
        }

        private void lvwItems_ColumnClick(object sender, ColumnClickEventArgs e)
        {
            this.Cursor = Cursors.WaitCursor;

            SortOrder order = SortOrder.Ascending;
            if (order == lvwItems.Sorting)
                order = SortOrder.Descending;
            else
                order = SortOrder.Ascending;

            lvwItems.ListViewItemSorter = new Global.ItemSorter(e.Column, order);
            lvwItems.Sorting = order;

            this.Cursor = Cursors.Default;
        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            oVendors = null;
            this.Close();
        }

        private void btnSearch_Click(object sender, EventArgs e)
        {
            oVendors = Vendor.GetByName(txtSearch.Text.Trim().ToLower());
            LoadListView();
        }

        private void LoadListView()
        {
            lvwItems.Items.Clear();

            foreach (Vendor vendor in oVendors)
            {
                ListViewItem item = new ListViewItem();
                item.SubItems.Add(vendor.Name);
                item.Tag = vendor;
                lvwItems.Items.Add(item);
            }
        }

        private void btnSelectAll_Click(object sender, EventArgs e)
        {
            bool isChecked;
            if (btnSelectAll.Text.Equals("Select &All"))
            {
                isChecked = true;
                btnSelectAll.Text = "Remove &All Selection";
            }
            else
            {
                isChecked = false;
                btnSelectAll.Text = "Select &All";
            }
            foreach (ListViewItem item in lvwItems.Items)
            {
                item.Checked = isChecked;
            }
        }

        private void btnOk_Click(object sender, EventArgs e)
        {
            Vendor oVendor;
            if(lvwItems.CheckedItems.Count==0)
            {
                MessageBox.Show("Select at least one Vendor", "Vendor Search", MessageBoxButtons.OK,
                                MessageBoxIcon.Exclamation);
            }
            oVendors = new ObjectsTemplate<Vendor>();
            foreach (ListViewItem item in lvwItems.CheckedItems)
            {
                oVendor = (Vendor) item.Tag;
                oVendors.Add(oVendor);
            }
            this.Close();
        }
    }
}