public void TestBuildScreenVerificationResultList()
{
TVerificationResult res0, res1, res4, res5, res6, res7, res8;
TVerificationResultCollection coll = new TVerificationResultCollection();
res0 = new TVerificationResult(null, "test0", TResultSeverity.Resv_Noncritical);
coll.Add(res0);
res1 = new TVerificationResult(null, "test1", TResultSeverity.Resv_Info);
coll.Add(res1);
DataColumn col = new DataColumn("test", typeof(int));
res4 = new TScreenVerificationResult(null, col, "test4", null, TResultSeverity.Resv_Noncritical);
coll.Add(res4);
DataTable tab = new DataTable("test");
DataColumn col2 = new DataColumn("test2", typeof(string));
tab.Columns.Add(col2);
DataColumn col3 = new DataColumn("test3", typeof(string));
tab.Columns.Add(col3);
res5 = new TScreenVerificationResult(null, col2, "test5", null, TResultSeverity.Resv_Status);
coll.Add(res5);
res6 = new TScreenVerificationResult(null, col, "test6", null, TResultSeverity.Resv_Noncritical);
coll.Add(res6);
res7 = new TScreenVerificationResult(null, col3, "test7", null, TResultSeverity.Resv_Noncritical);
coll.Add(res7);
res8 = new TScreenVerificationResult("test8", col3, "test8", null, TResultSeverity.Resv_Noncritical);
coll.Add(res8);
String ErrorMessages;
Object testObject;
coll.BuildScreenVerificationResultList(out ErrorMessages, out testObject, null, true);
coll.BuildScreenVerificationResultList("test8", out ErrorMessages);
Console.WriteLine(ErrorMessages);
Console.WriteLine(ErrorMessages.Replace("\n", "\\n").Replace("\r", "\\r"));
String expectedErrorMessages =
"test8" + Environment.NewLine + Environment.NewLine;
Assert.AreEqual(expectedErrorMessages, ErrorMessages, "only show errors of resultcontext test1 and of TVerificationScreenResult");
}
/// <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);
}
public void TestBuildScreenVerificationResultList()
{
TVerificationResult res0, res1, res2, res3, res4, res5, res6, res7, res8, res9, res10;
TVerificationResultCollection coll = new TVerificationResultCollection();
res0 = new TVerificationResult(null, "test0", TResultSeverity.Resv_Noncritical);
coll.Add(res0);
res1 = new TVerificationResult(null, "test1", TResultSeverity.Resv_Info);
coll.Add(res1);
TextBox tb1 = new TextBox();
res2 = new TVerificationResult(tb1, "test2", TResultSeverity.Resv_Critical);
coll.Add(res2);
res3 = new TVerificationResult(tb1, "test3", TResultSeverity.Resv_Noncritical);
coll.Add(res3);
DataColumn col = new DataColumn("test", typeof(int));
res4 = new TScreenVerificationResult(null, col, "test4", null, TResultSeverity.Resv_Noncritical);
coll.Add(res4);
DataTable tab = new DataTable("test");
DataColumn col2 = new DataColumn("test2", typeof(string));
tab.Columns.Add(col2);
DataColumn col3 = new DataColumn("test3", typeof(string));
tab.Columns.Add(col3);
res5 = new TScreenVerificationResult(null, col2, "test5", null, TResultSeverity.Resv_Status);
coll.Add(res5);
res6 = new TScreenVerificationResult(null, col, "test6", null, TResultSeverity.Resv_Noncritical);
coll.Add(res6);
res7 = new TScreenVerificationResult(null, col3, "test7", null, TResultSeverity.Resv_Noncritical);
coll.Add(res7);
res8 = new TScreenVerificationResult("test8", col3, "test8", null, TResultSeverity.Resv_Noncritical);
coll.Add(res8);
string ErrorMessages;
Control FirstControl;
coll.BuildScreenVerificationResultList(null, out ErrorMessages, out FirstControl, true);
Console.WriteLine(ErrorMessages);
Console.WriteLine(ErrorMessages.Replace("\n", "\\n").Replace("\r", "\\r"));
string expectedErrorMessages =
"test4\r\n\r\ntest5\r\n\r\ntest6\r\n\r\ntest7\r\n\r\n";
Assert.AreEqual(expectedErrorMessages, ErrorMessages, "only show errors of unspecified resultcontext and of TVerificationScreenResult");
coll.BuildScreenVerificationResultList("test8", out ErrorMessages, out FirstControl, true);
Console.WriteLine(ErrorMessages);
Console.WriteLine(ErrorMessages.Replace("\n", "\\n").Replace("\r", "\\r"));
expectedErrorMessages =
"test8\r\n\r\n";
Assert.AreEqual(expectedErrorMessages, ErrorMessages, "only show errors of resultcontext test1 and of TVerificationScreenResult");
// test first control, but with updatefirstcontrol false
TextBox tb2 = new TextBox();
res9 = new TScreenVerificationResult(null, null, "test9", tb2, TResultSeverity.Resv_Critical);
coll.Add(res9);
TextBox tb3 = new TextBox();
res10 = new TScreenVerificationResult(null, null, "test10", tb3, TResultSeverity.Resv_Critical);
coll.Add(res10);
coll.BuildScreenVerificationResultList(null, out ErrorMessages, out FirstControl, false);
Console.WriteLine(ErrorMessages);
Console.WriteLine(ErrorMessages.Replace("\n", "\\n").Replace("\r", "\\r"));
expectedErrorMessages =
"test4\r\n\r\ntest5\r\n\r\ntest6\r\n\r\ntest7\r\n\r\ntest9\r\n\r\ntest10\r\n\r\n";
Assert.AreEqual(expectedErrorMessages, ErrorMessages, "added test9 and test10");
Assert.AreEqual(tb2, FirstControl, "expect to return tb2 as first control");
Assert.AreEqual(null, coll.FirstErrorControl, "expect to not select tb2 as first control");
// test updatefirstcontrol true
coll.BuildScreenVerificationResultList(null, out ErrorMessages, out FirstControl, true);
Assert.AreEqual(tb2, FirstControl, "expect to return tb2 as first control");
Assert.AreEqual(tb2, coll.FirstErrorControl, "expect to select tb2 as first control");
// remove res9, so that first control is tb3, but call with updatefirstcontrol false
coll.Remove(res9);
coll.BuildScreenVerificationResultList(null, out ErrorMessages, out FirstControl, false);
Assert.AreEqual(tb3, FirstControl, "expect to return tb3 as first control");
Assert.AreEqual(tb2, coll.FirstErrorControl, "expect tb2 to be still selected as first control");
// test other overload of BuildScreenVerificationResult, ignorewarnings etc
object FirstErrorContext;
// test ignorewarnings true
coll.BuildScreenVerificationResultList(out ErrorMessages, out FirstControl, out FirstErrorContext, true, null, true);
Assert.AreEqual(null, FirstErrorContext, "FirstErrorContext is null");
Console.WriteLine(ErrorMessages);
Console.WriteLine(ErrorMessages.Replace("\n", "\\n").Replace("\r", "\\r"));
expectedErrorMessages = "test1\r\n\r\ntest2\r\n\r\ntest5\r\n\r\ntest10\r\n\r\n";
Assert.AreEqual(expectedErrorMessages, ErrorMessages, "ignore warnings (ie. noncritical). Include TVerificationResults");
// test ignorewarnings false
coll.BuildScreenVerificationResultList(out ErrorMessages, out FirstControl, out FirstErrorContext, true, null, false);
Console.WriteLine(ErrorMessages);
Console.WriteLine(ErrorMessages.Replace("\n", "\\n").Replace("\r", "\\r"));
expectedErrorMessages =
"test0\r\n\r\ntest1\r\n\r\ntest2\r\n\r\ntest3\r\n\r\ntest4\r\n\r\ntest5\r\n\r\ntest6\r\n\r\ntest7\r\n\r\ntest8\r\n\r\ntest10\r\n\r\n";
Assert.AreEqual(expectedErrorMessages, ErrorMessages, "do not ignore warnings (ie. noncritical). Include TVerificationResults");
// test ARestrictToTypeWhichRaisesError, restrict to string errorcontext
coll.BuildScreenVerificationResultList(out ErrorMessages, out FirstControl, out FirstErrorContext, true, typeof(string), false);
Console.WriteLine(ErrorMessages);
Console.WriteLine(ErrorMessages.Replace("\n", "\\n").Replace("\r", "\\r"));
expectedErrorMessages =
"test8\r\n\r\n";
Assert.AreEqual(expectedErrorMessages, ErrorMessages, "restrict to string errorcontext");
// test AUpdateFirstErrorControl
coll.BuildScreenVerificationResultList(out ErrorMessages, out FirstControl, out FirstErrorContext, true, null, false);
// it seems that res2/tb1 is ignored, because it is not a screenverificationresult
Assert.AreEqual(tb3, FirstControl, "first control should be tb3");
Assert.AreEqual(tb3, coll.FirstErrorControl, "first error control should be tb3");
// now testing with res8/tb3 inserted before tb2, and not updating first error control
coll.Insert(3, res9);
coll.BuildScreenVerificationResultList(out ErrorMessages, out FirstControl, out FirstErrorContext, false, null, false);
Assert.AreEqual(tb2, FirstControl, "first control should be tb2");
Assert.AreEqual(tb3, coll.FirstErrorControl, "first error control should still be tb3");
}
/// <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);
}