private void editCodeActivity_Preview_ExecuteCode(object sender, EventArgs e)
{
IInlineFunction functionInfo = this.GetBinding <IInlineFunction>("Function");
string code = this.GetBinding <string>("FunctionCode");
List <string> selectedAssemblies = this.GetBinding <List <string> >("SelectedAssemblies");
StringInlineFunctionCreateMethodErrorHandler handler = new StringInlineFunctionCreateMethodErrorHandler();
MethodInfo methodInfo = InlineFunctionHelper.Create(functionInfo, code, handler, selectedAssemblies);
FlowControllerServicesContainer serviceContainer = WorkflowFacade.GetFlowControllerServicesContainer(WorkflowEnvironment.WorkflowInstanceId);
IFormFlowWebRenderingService formFlowWebRenderingService = serviceContainer.GetService <IFormFlowWebRenderingService>();
if (handler.HasErrors)
{
StringBuilder sb = new StringBuilder();
if (!string.IsNullOrWhiteSpace(handler.MissingContainerType))
{
AddFormattedTextBlock(sb, handler.MissingContainerType);
}
if (!string.IsNullOrWhiteSpace(handler.NamespaceMismatch))
{
AddFormattedTextBlock(sb, handler.NamespaceMismatch);
}
if (!string.IsNullOrWhiteSpace(handler.MissionMethod))
{
AddFormattedTextBlock(sb, handler.MissionMethod);
}
if (handler.LoadingException != null)
{
AddFormattedTextBlock(sb, handler.LoadingException.ToString());
}
foreach (Tuple <int, string, string> compileError in handler.CompileErrors)
{
AddFormattedTextBlock(sb, "{0} : {1} : {2}".FormatWith(compileError.Item1, compileError.Item2, compileError.Item3));
}
formFlowWebRenderingService.SetNewPageOutput(new LiteralControl(sb.ToString()));
return;
}
List <ManagedParameterDefinition> parameters = this.GetBinding <List <ManagedParameterDefinition> >("Parameters");
List <object> parameterValues = new List <object>();
bool parameterErrors = false;
StringBuilder parameterErrorMessages = new StringBuilder();
foreach (ParameterInfo parameterInfo in methodInfo.GetParameters())
{
ManagedParameterDefinition parameter = parameters.FirstOrDefault(f => f.Name == parameterInfo.Name);
if (parameter == null)
{
string message = string.Format(GetText("CSharpInlineFunction.MissingParameterDefinition"), parameterInfo.Name);
parameterErrors = true;
AddFormattedTextBlock(parameterErrorMessages, message);
}
else if (parameter.Type != parameterInfo.ParameterType)
{
string message = string.Format(GetText("CSharpInlineFunction.WrongParameterTestValueType"), parameterInfo.Name, parameterInfo.ParameterType, parameter.Type);
parameterErrors = true;
AddFormattedTextBlock(parameterErrorMessages, message);
}
else
{
string previewValueFunctionMarkup = (string.IsNullOrEmpty(parameter.TestValueFunctionMarkup) ? parameter.DefaultValueFunctionMarkup : parameter.TestValueFunctionMarkup);
if (string.IsNullOrEmpty(previewValueFunctionMarkup))
{
string message = string.Format(GetText("CSharpInlineFunction.MissingParameterTestOrDefaultValue"), parameterInfo.Name, parameterInfo.ParameterType, parameter.Type);
parameterErrors = true;
AddFormattedTextBlock(parameterErrorMessages, message);
}
else
{
try
{
BaseRuntimeTreeNode treeNode = FunctionFacade.BuildTree(XElement.Parse(previewValueFunctionMarkup));
object value = treeNode.GetValue();
object typedValue = ValueTypeConverter.Convert(value, parameter.Type);
parameterValues.Add(typedValue);
}
catch (Exception ex)
{
string message = string.Format("Error setting '{0}'. {1}", parameterInfo.Name, ex.Message);
parameterErrors = true;
AddFormattedTextBlock(parameterErrorMessages, message);
}
}
}
}
if (parameterErrors)
{
formFlowWebRenderingService.SetNewPageOutput(new LiteralControl(parameterErrorMessages.ToString()));
return;
}
CultureInfo oldCurrentCulture = Thread.CurrentThread.CurrentCulture;
CultureInfo oldCurrentUICulture = Thread.CurrentThread.CurrentUICulture;
try
{
Guid pageId;
if (this.GetBinding <object>("PageId") == null)
{
pageId = Guid.Empty;
}
else
{
pageId = this.GetBinding <Guid>("PageId");
}
string dataScopeName = this.GetBinding <string>("PageDataScopeName");
string cultureName = this.GetBinding <string>("ActiveCultureName");
CultureInfo cultureInfo = null;
if (cultureName != null)
{
cultureInfo = CultureInfo.CreateSpecificCulture(cultureName);
}
using (new DataScope(DataScopeIdentifier.Deserialize(dataScopeName), cultureInfo))
{
Thread.CurrentThread.CurrentCulture = Thread.CurrentThread.CurrentUICulture = cultureInfo;
IPage page = DataFacade.GetData <IPage>(f => f.Id == pageId).FirstOrDefault();
if (page != null)
{
PageRenderer.CurrentPage = page;
}
object result = methodInfo.Invoke(null, parameterValues.ToArray());
string resultString;
try
{
resultString = PrettyPrinter.Print(result);
}
catch (Exception ex)
{
throw new TargetInvocationException(ex);
}
SetOutput(formFlowWebRenderingService, resultString);
}
}
catch (TargetInvocationException ex)
{
SetOutput(formFlowWebRenderingService, ex.InnerException.ToString());
}
finally
{
Thread.CurrentThread.CurrentCulture = oldCurrentCulture;
Thread.CurrentThread.CurrentUICulture = oldCurrentUICulture;
}
}
