/// <summary>
/// Binds column to <see cref="TextBox"/> with specified value converter and culture info.
/// </summary>
/// <param name="source">The source column.</param>
/// <param name="converter">The value converter.</param>
/// <param name="cultureInfo">The culture info.</param>
/// <param name="flushErrorMessage">The conversion error message when flushing data from binding to source model.</param>
/// <returns>The row binding object.</returns>
public static RowBinding <TextBox> BindToTextBox(this Column source, IValueConverter converter, CultureInfo cultureInfo, string flushErrorMessage = null)
{
source.VerifyNotNull(nameof(source));
converter.VerifyNotNull(nameof(converter));
cultureInfo.VerifyNotNull(nameof(cultureInfo));
return(new RowBinding <TextBox>(onSetup: (v, p) => v.Setup(), onCleanup: (v, p) => v.Cleanup(), onRefresh: (v, p) =>
{
if (!v.GetIsEditing())
{
v.Text = Convert(p[source], converter, cultureInfo);
}
}).BeginInput(TextBox.TextProperty, TextBox.LostFocusEvent)
.WithFlushingValidator(v =>
{
try
{
var result = converter.ConvertBack(v.Text, source.DataType, null, cultureInfo);
if (result == DependencyProperty.UnsetValue)
{
return GetInvalidInputErrorMessage(flushErrorMessage, source.DataType);
}
}
catch (Exception ex)
{
return ex.Message;
}
return null;
})
.WithFlush(source, (p, v) =>
{
var value = converter.ConvertBack(v.Text, source.DataType, null, cultureInfo);
var oldValue = p[source];
if (Equals(oldValue, value))
{
return false;
}
p[source] = value;
return true;
})
.EndInput());
}
