59 lines
1.7 KiB
C#
59 lines
1.7 KiB
C#
|
using System;
|
|||
|
|
using System.Globalization;
|
|||
|
|
using System.Windows.Forms;
|
|||
|
|
|
|||
|
|
namespace KryukovLib
|
|||
|
|
{
|
|||
|
|
public partial class DateBoxWithNull : UserControl
|
|||
|
|
{
|
|||
|
|
public event EventHandler? CombinedEvent;
|
|||
|
|
|
|||
|
|
public Exception? Error;
|
|||
|
|
|
|||
|
|
public DateBoxWithNull()
|
|||
|
|
{
|
|||
|
|
InitializeComponent();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public DateTime? Value
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
if (!checkBoxNull.Checked)
|
|||
|
|
{
|
|||
|
|
if (string.IsNullOrEmpty(textBoxDate.Text))
|
|||
|
|
{
|
|||
|
|
throw new NotFilledException("Text box can't be empty, click checkbox if value must be empty!");
|
|||
|
|
}
|
|||
|
|
if (DateTime.TryParseExact(textBoxDate.Text, "dd.MM.yyyy", null, DateTimeStyles.None, out DateTime parsedDate))
|
|||
|
|
{
|
|||
|
|
return parsedDate;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
throw new ParseException($"Wrong format <{textBoxDate.Text}>!");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
set
|
|||
|
|
{
|
|||
|
|
bool isNull = value is null;
|
|||
|
|
checkBoxNull.Checked = isNull;
|
|||
|
|
textBoxDate.Text = isNull ? string.Empty : value?.ToString("dd.MM.yyyy");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void TextBoxDate_TextChanged(object sender, EventArgs e)
|
|||
|
|
{
|
|||
|
|
CombinedEvent?.Invoke(sender, e);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void CheckBoxNull_CheckedChanged(object sender, EventArgs e)
|
|||
|
|
{
|
|||
|
|
textBoxDate.Enabled = !checkBoxNull.Checked;
|
|||
|
|
CombinedEvent?.Invoke(sender, e);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|