/// <summary>
/// Update the datasource with the binding value.
/// If the BindingDefinition to update is readonly, then return the currently loaded value
/// Else return the value passed as a parameter.
/// </summary>
public override object UpdateDataSource(object dataSource, object data)
{
try
{
if (dataSource == null)
{
return(null);
}
if (!IsReadOnly)
{
Type type = BindingType;
if (data == null)
{
FieldInfo.SetValue(FieldInfo.IsStatic ? null : dataSource, type.IsValueType ? Activator.CreateInstance(type) : null);
}
else
{
data = SpecificConvertors.TryConvert(this, data);
FieldInfo.SetValue(FieldInfo.IsStatic ? null : dataSource, data);
}
}
return(ResolveBinding(dataSource));
}
catch (Exception ex)
{
log.LogFormat(LogType.Warn, "'UpdateDataSource' failed for BindingExpression '{0}', value '{1}': {2}", BindingExpression, data?.ToString() ?? string.Empty, ex.Message);
return(ResolveBinding(dataSource));
}
}
/// <summary>
/// Update the datasource.
/// </summary>
/// <param name="datasource">the Binding datasource to update.</param>
/// <param name="data">the data to update the datasource.</param>
/// <returns>
/// If the BindingDefinition to update is readonly, then return the currently loaded value
/// Else return the value passed as a parameter.
/// </returns>
public override object UpdateDataSource(object datasource, object data)
{
try
{
if (datasource == null)
{
return(null);
}
if (!IsReadOnly)
{
Type type = BindingType;
if (data == null)
{
SetMethod.Invoke(SetMethod.IsStatic ? null : datasource, new object[] { type.IsValueType?Activator.CreateInstance(type) : null });
}
else
{
data = SpecificConvertors.TryConvert(this, data);
SetMethod.Invoke(SetMethod.IsStatic ? null : datasource, new object[] { data });
}
}
object value = ResolveBinding(datasource);
return(value is Enum ? ((Enum)value).ToString() : value);
}
catch (Exception ex)
{
log.LogFormat(LogType.Warn, "'UpdateDataSource' failed for BindingExpression '{0}', value '{1}': {2}", BindingExpression, data == null ? string.Empty: data.ToString(), ex.Message);
return(ResolveBinding(datasource));
}
}