/// <summary>
/// Binds form values to a data item and sends messages to client to display validation messages.
/// </summary>
/// <param name="helper">Form binding helper</param>
/// <param name="data">An IData instance</param>
/// <returns>True, if there were no binding/validation errors</returns>
protected bool BindAndValidate(DataTypeDescriptorFormsHelper helper, IData data)
{
Dictionary <string, string> errorMessages = helper.BindingsToObject(this.Bindings, data);
ValidationResults validationResults = ValidationFacade.Validate(data.DataSourceId.InterfaceType, data);
bool isValid = true;
if (!validationResults.IsValid)
{
foreach (ValidationResult result in validationResults)
{
if (!result.Key.IsNullOrEmpty())
{
this.ShowFieldMessage(result.Key, result.Message);
}
else
{
this.ShowMessage(DialogType.Error, "Validation error", result.Message);
}
isValid = false;
}
}
// Checking that required strings are not empty
var dataTypeDescriptor = DynamicTypeManager.GetDataTypeDescriptor(data.DataSourceId.InterfaceType);
foreach (var fieldName in dataTypeDescriptor.Fields
.Where(f => !f.IsNullable &&
f.InstanceType == typeof(string) &&
!(f.Inherited && f.Name == "FieldName")) // Skipping validation for inherited IPageMetaData.FieldName
.Select(f => f.Name))
{
string bindingName = (helper.BindingNamesPrefix ?? "").Replace('.', '_') + fieldName;
if (validationResults.Any(r => r.Key == bindingName))
{
continue;
}
object fieldValue = this.Bindings[bindingName];
if (fieldValue is string &&
(fieldValue as string) == string.Empty &&
!helper.BindingIsOptional(bindingName))
{
this.ShowFieldMessage(bindingName, LocalizationFiles.Composite_Management.Validation_RequiredField);
isValid = false;
}
}
if (errorMessages != null)
{
isValid = false;
foreach (var kvp in errorMessages)
{
this.ShowFieldMessage(kvp.Key, kvp.Value);
}
}
return(isValid);
}