void ReportError(string errorMessage)
{
// Invoking error message box will cause LostFocus of the control.
// Thus we need to disable LostFocus first and then add the handlers back.
DisableKeyboardLostFocus();
ErrorReporting.ShowErrorMessage(errorMessage);
this.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle, (Action)(() =>
{
if (this.ErrorCallback != null)
{
this.ErrorCallback(this);
this.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle, (Action)(() =>
{
RegainFocus();
EnableKeyboardLostFocus();
}));
}
else
{
RegainFocus();
EnableKeyboardLostFocus();
}
}));
}
void OnNewKeyCommitted(object sender, RoutedEventArgs e)
{
this.addNewCaseLabel.Visibility = Visibility.Collapsed;
try
{
AddNewCase(this.NewKey);
}
catch (ArgumentException ex)
{
ErrorReporting.ShowErrorMessage(ex.Message);
}
}
private void OnOkButtonClicked(object sender, RoutedEventArgs e)
{
try
{
CommitDanglingTransactions();
CommitRootTransaction();
SignalCloseParentDialog();
}
catch (Exception ex)
{
ErrorReporting.ShowErrorMessage(ex.Message);
}
}
// <summary>
// Called when there is an error setting or getting a PropertyValue.
// Displays an error dialog.
// </summary>
// <param name="e"></param>
protected override void OnPropertyValueException(PropertyValueExceptionEventArgs e)
{
if (e.Source == PropertyValueExceptionSource.Set)
{
if (e.Exception != null)
{
Debug.WriteLine(e.Exception.ToString());
}
ErrorReporting.ShowErrorMessage(e.Exception.Message);
base.OnPropertyValueException(e);
}
else
{
base.OnPropertyValueException(e);
}
}
void LoadBindings()
{
try
{
this.bindingElements.Add(new BindingDescriptor { BindingName = (string)(this.TryFindResource("bindingEditorEmptyBindingLabel") ?? "none"), Value = null });
Configuration machineConfig = ConfigurationManager.OpenMachineConfiguration();
ServiceModelSectionGroup section = ServiceModelSectionGroup.GetSectionGroup(machineConfig);
if (null != section && null != section.Bindings)
{
this.bindingElements.AddRange(section.Bindings.BindingCollections
.OrderBy(p => p.BindingName)
.Select<BindingCollectionElement, BindingDescriptor>(p => new BindingDescriptor() { BindingName = p.BindingName, Value = p }));
}
}
catch (ConfigurationErrorsException err)
{
ErrorReporting.ShowErrorMessage(err.Message);
}
}
void OnNewTransitionCommitted(object sender, RoutedEventArgs e)
{
this.addNewTransitionLabel.Visibility = Visibility.Collapsed;
try
{
string selectedItem = this.NewTransition as string;
if (null != selectedItem)
{
AddNewTransition(selectedItem);
}
this.addNewTransitionBox.ResetText();
}
catch (ArgumentException ex)
{
ErrorReporting.ShowErrorMessage(ex.Message);
}
}
// This creates a link from modelItems[i] to modelItems[i+1] - foreach i between 0 and modelItems.Count-2;
void CreateLinks(List <ModelItem> modelItems)
{
Fx.Assert(modelItems.Count > 1, "Link creation requires more than one ModelItem");
modelItems.ForEach(p => { Fx.Assert(this.modelElement.ContainsKey(p), "View should be in the flowchart"); });
ModelItem[] modelItemsArray = modelItems.ToArray();
string errorMessage = string.Empty;
for (int i = 0; i < modelItemsArray.Length - 1; i++)
{
string error = string.Empty;
CreateLinkGesture(this.modelElement[modelItemsArray[i]], this.modelElement[modelItemsArray[i + 1]], out error, null);
if (!string.Empty.Equals(error))
{
errorMessage += string.Format(CultureInfo.CurrentUICulture, "Link{0}:{1}\n", i + 1, error);
}
}
if (!string.Empty.Equals(errorMessage))
{
ErrorReporting.ShowErrorMessage(errorMessage);
}
}
internal void ValidateKey(CorrelationDataWrapper wrapper, string oldKey)
{
string newKey = wrapper.Key;
if (string.IsNullOrEmpty(newKey))
{
ErrorReporting.ShowErrorMessage(string.Format(CultureInfo.CurrentCulture, System.Activities.Core.Presentation.SR.NullOrEmptyKeyName));
wrapper.Key = oldKey;
}
else
{
// At this point, the key of the entry has already been changed. If there are
// entries with duplicate keys, the number of those entries is greater than 1.
// Thus, we only need to check the entry count.
int entryCount = this.CorrelationInitializeData.Count(entry => entry.Key == newKey);
if (entryCount > 1)
{
ErrorReporting.ShowErrorMessage(string.Format(CultureInfo.CurrentCulture, System.Activities.Core.Presentation.SR.DuplicateKeyName, newKey));
wrapper.Key = oldKey;
}
}
}
void Commit()
{
// In case of error, the popup can make the control lose focus; we don't want to commit twice.
if (!this.isCommitting)
{
BindingExpression binding = this.GetBindingExpression(ComboBox.TextProperty);
if (binding != null)
{
this.isCommitting = true;
try
{
binding.UpdateSource();
}
catch (ArgumentException exception)
{
ErrorReporting.ShowErrorMessage(exception.Message);
binding.UpdateTarget();
}
this.isCommitting = false;
}
}
}
void IVersionEditor.ShowErrorMessage(string message)
{
ErrorReporting.ShowErrorMessage(message);
}
internal static void UpdateInvalidArgumentsIfNecessary(object sender, ValidationService.ErrorsMarkedEventArgs args)
{
if (args.Reason != ValidationReason.ModelChange)
{
return;
}
if (args.Errors.Count == 0)
{
return;
}
using (EditingScope editingScope = args.ModelTreeManager.CreateEditingScope(string.Empty))
{
// Prevent the validation -> fix arguments -> validation loop.
editingScope.SuppressUndo = true;
// Suppress validation. We will do it ourselves (see below)
editingScope.SuppressValidationOnComplete = true;
// Re-compile erroreous expressions to see if update is necessary
ValidationService validationService = args.Context.Services.GetRequiredService <ValidationService>();
ArgumentAccessorWrapperCache argumentAccessorWrapperCache = new ArgumentAccessorWrapperCache();
List <ExpressionReplacement> expressionReplacements = ComputeExpressionReplacements(args.Errors.Select(error => error.Source).OfType <ActivityWithResult>(), args.Context, argumentAccessorWrapperCache);
bool argumentReplacementOccurred = false;
if (expressionReplacements.Count > 0)
{
try
{
foreach (ExpressionReplacement expressionReplacement in expressionReplacements)
{
if (expressionReplacement.TryReplaceArgument(args.ModelTreeManager, validationService))
{
argumentReplacementOccurred = true;
}
}
if (argumentReplacementOccurred)
{
args.Handled = true;
editingScope.Complete();
}
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
// We handle exception here instead of letting WF Designer handle it, so that the validation below will run even
// if any of the ArgumentAccessor.Setter methods throw exceptions.
ErrorReporting.ShowErrorMessage(e);
}
// Since any pending validation will be canceled if argument replacement occured (=has model change), we need to re-validate the workflow.
// We suppressed validation upon EditingScope completion and do it ourselves, because
// the argument replacement could have been done directly to the underlying activity instance, rather than thru ModelItem.
if (argumentReplacementOccurred)
{
validationService.ValidateWorkflow();
}
}
}
}
