public IFlowUiDefinition GetCurrentUiDefinition(FlowToken flowToken)
{
WorkflowFlowToken workflowFlowToken = (WorkflowFlowToken)flowToken;
if (!WorkflowFacade.WorkflowExists(workflowFlowToken.WorkflowInstanceId))
{
Log.LogVerbose(LogTitle, "The workflow with Id = {0} does not exists", workflowFlowToken.WorkflowInstanceId);
return(null);
}
using (GlobalInitializerFacade.CoreNotLockedScope)
{
Semaphore semaphore = WorkflowFacade.WaitForIdleStatus(workflowFlowToken.WorkflowInstanceId);
if (semaphore != null)
{
Log.LogVerbose(LogTitle, "The workflow with Id = {0} is running, waiting until its done.", workflowFlowToken.WorkflowInstanceId);
semaphore.WaitOne(TimeSpan.FromSeconds(10), true);
Log.LogVerbose(LogTitle, "Done waiting on the workflow with Id = {0}.", workflowFlowToken.WorkflowInstanceId);
}
}
FormData formFunction = WorkflowFacade.GetFormData(workflowFlowToken.WorkflowInstanceId);
if (formFunction == null)
{
return(null);
}
FormFlowUiDefinition formFlowUiDefinition;
if (formFunction.FormDefinition != null)
{
formFlowUiDefinition = new FormFlowUiDefinition(
ToXmlReader(formFunction.FormDefinition),
formFunction.ContainerType,
formFunction.ContainerLabel,
formFunction.Bindings,
formFunction.BindingsValidationRules
);
}
else if (formFunction.FormMarkupProvider != null)
{
formFlowUiDefinition = new FormFlowUiDefinition(
formFunction.FormMarkupProvider,
formFunction.ContainerType,
formFunction.ContainerLabel,
formFunction.Bindings,
formFunction.BindingsValidationRules
);
}
else
{
throw new NotImplementedException();
}
var markup = GetCustomToolbarMarkup(formFunction);
if (markup != null)
{
formFlowUiDefinition.SetCustomToolbarMarkupProvider(markup);
}
AddEventHandles(formFlowUiDefinition, workflowFlowToken.WorkflowInstanceId);
return(formFlowUiDefinition);
}
private static void AddEventHandles(FormFlowUiDefinition formFlowUiDefinition, Guid instanceId)
{
IEnumerable <string> eventNames = WorkflowFacade.GetCurrentFormEvents(instanceId);
FormData formData = WorkflowFacade.GetFormData(instanceId);
foreach (string eventName in eventNames)
{
if (formData?.ExcludedEvents != null && formData.ExcludedEvents.Contains(eventName))
{
continue;
}
switch (eventName)
{
case "Save":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.Save, OnSave);
break;
case "SaveAndPublish":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.SaveAndPublish, OnSaveAndPublish);
break;
case "Next":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.Next, OnNext);
break;
case "Previous":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.Previous, OnPrevious);
break;
case "Finish":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.Finish, OnFinish);
break;
case "Cancel":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.Cancel, OnCancel);
break;
case "Preview":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.Preview, OnPreview);
break;
case "CustomEvent01":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.CustomEvent01, OnCustomEvent01);
break;
case "CustomEvent02":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.CustomEvent02, OnCustomEvent02);
break;
case "CustomEvent03":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.CustomEvent03, OnCustomEvent03);
break;
case "CustomEvent04":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.CustomEvent04, OnCustomEvent04);
break;
case "CustomEvent05":
formFlowUiDefinition.EventHandlers.Add(StandardEventIdentifiers.CustomEvent05, OnCustomEvent05);
break;
}
}
IEventHandleFilter eventHandlerFilter = WorkflowFacade.GetEventHandleFilter(instanceId);
eventHandlerFilter?.Filter(formFlowUiDefinition.EventHandlers);
}
