/// <summary>
/// Checks for data verification errors and displays appropriate error messages. Returns true in case there
/// were no data verification errors, otherwise false.
/// </summary>
/// <param name="ARecordChangeVerification">Set this to true if this Method is called in the context of a record change
/// in a Grid, otherwise set it to false.</param>
/// <param name="AVerificationResultCollection">A <see cref="TVerificationResultCollection" /> to inspect for
/// data verification errors.</param>
/// <param name="ATypeWhichRaisesError">Instance of the calling WinForm.</param>
/// <param name="ARestrictToTypeWhichRaisesError">Restricts the <see cref="TVerificationResult" />s that
/// are considered by this Method to those whose <see cref="TVerificationResult.ResultContext" /> matches
/// <paramref name="ARestrictToTypeWhichRaisesError"></paramref> (defaults to null).</param>
/// <param name="AIgnoreWarnings">Set to true if Warnings are to be ignored (defaults to false).</param>
/// <returns>True in case there were no data verification errors, otherwise false.</returns>
public static bool ProcessAnyDataValidationErrors(bool ARecordChangeVerification,
TVerificationResultCollection AVerificationResultCollection,
Type ATypeWhichRaisesError, Type ARestrictToTypeWhichRaisesError = null, bool AIgnoreWarnings = false)
{
bool ReturnValue = false;
string ErrorMessages;
Control FirstErrorControl;
object FirstErrorContext;
bool RecordDeletionErrorsBecauseOfReference = false;
// In case there were only warnings, we return true and record change/saving of data can go ahead,
// otherwise false is returned to prevent record change/saving of data.
if (TVerificationHelper.IsNullOrOnlyNonCritical(AVerificationResultCollection))
{
ReturnValue = true;
}
if (AVerificationResultCollection.HasCriticalOrNonCriticalErrors)
{
// Determine data validation message, and more
AVerificationResultCollection.BuildScreenVerificationResultList(out ErrorMessages,
out FirstErrorControl, out FirstErrorContext, true, ARestrictToTypeWhichRaisesError, AIgnoreWarnings);
// Tell user that there are data validation errors if there are any
if (ErrorMessages != String.Empty)
{
if (ARecordChangeVerification)
{
TMessages.MsgRecordChangeVerificationError(ErrorMessages, ReturnValue, ATypeWhichRaisesError);
}
else
{
for (int Counter = 0; Counter < AVerificationResultCollection.Count; Counter++)
{
if (AVerificationResultCollection[Counter].ResultCode == CommonErrorCodes.ERR_RECORD_DELETION_NOT_POSSIBLE_REFERENCED)
{
RecordDeletionErrorsBecauseOfReference = true;
break;
}
}
if (!RecordDeletionErrorsBecauseOfReference)
{
TMessages.MsgFormSaveVerificationError(ErrorMessages, ReturnValue, ATypeWhichRaisesError);
}
else
{
TMessages.MsgFormSaveVerificationError(ErrorMessages,
CommonErrorCodes.ERR_RECORD_DELETION_NOT_POSSIBLE_REFERENCED,
ReturnValue, ATypeWhichRaisesError,
true);
}
}
// Put Focus on first Control that an error was recorded for
if (FirstErrorControl != null)
{
FirstErrorControl.Focus();
}
}
else
{
ReturnValue = true;
}
}
else
{
ReturnValue = true;
}
return ReturnValue;
}
/// <summary>
/// Processes validation warnings by showing a Yes/No message box to the client. The client can choose to ignore
/// the warnings and proceed with, for example, saving the data - or to cancel saving and adjust the entered data.
/// The method should only be used when it has been established that there are no validation errors but there is at
/// least one warning. Returns true in case the user answers Yes to the question, false otherwise.
/// </summary>
/// <param name="AVerificationResultCollection">A <see cref="TVerificationResultCollection" /> to inspect for
/// data verification errors.</param>
/// <param name="AQuestion">A Yes/No question to the client that is appended to the warning list.</param>
/// <param name="ATypeWhichRaisesError">Instance of the calling WinForm.</param>
/// <returns>True (success) in case the user answers Yes, otherwise false.</returns>
public static bool ProcessAnyDataValidationWarnings(TVerificationResultCollection AVerificationResultCollection,
String AQuestion, Type ATypeWhichRaisesError)
{
bool ReturnValue = true;
if (AVerificationResultCollection.HasCriticalOrNonCriticalErrors && AVerificationResultCollection.HasOnlyNonCriticalErrors)
{
ReturnValue = false;
string errorMessages;
Control firstControl;
object context;
AVerificationResultCollection.BuildScreenVerificationResultList(out errorMessages, out firstControl, out context);
if (TMessages.MsgFormSaveVerificationWarning(errorMessages, AVerificationResultCollection[0].ResultCode,
ATypeWhichRaisesError, AQuestion, false) == System.Windows.Forms.DialogResult.Yes)
{
ReturnValue = true;
}
}
return ReturnValue;
}