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

64 lines
1.8 KiB
C#
Raw Normal View History

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using Tanshu.Accounts.Helpers;
namespace Tanshu.Accounts.PointOfSale
{
public partial class DiscountForm : Form
{
private readonly IList<string> _source;
private readonly HashSet<string> _selection;
decimal _discount;
public DiscountForm(IList<string> source)
{
InitializeComponent();
this._source = source;
_selection = new HashSet<string>();
}
private void button_Click(object sender, EventArgs e)
{
var button = sender as CheckBox;
if (button == null)
return;
var item = (string)button.Tag;
if (button.CheckState == CheckState.Checked)
_selection.Add(item);
else
_selection.Remove(item);
}
public decimal Selection(out HashSet<string> list)
{
list = _selection;
return _discount;
}
private void btnClose_Click(object sender, EventArgs e)
{
this.Close();
}
private void DiscountForm_Load(object sender, EventArgs e)
{
ControlFactory.GenerateGroups(ref flpModifier, new Point(75, 75), _source, new ButtonClickDelegate(button_Click));
}
private void txtAmount_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Return && decimal.TryParse(txtAmount.Text, out _discount) && _discount >= 0 && _discount <= 100)
{
this.DialogResult = DialogResult.OK;
this.Close();
}
else if (e.KeyCode == Keys.Escape)
{
this.DialogResult = DialogResult.Cancel;
this.Close();
}
}
}
}