private void ChangeStep(int stepIndex)
{
activeStep = steps[stepIndex];
pnlStepHolderInner.Controls.Clear();
pnlStepHolderInner.Controls.Add(activeStep);
activeStep.Height = pnlStepHolderInner.Height;
currentStepIndex = stepIndex;
stepIndicator.CurrentStep = stepIndex;
UpdateButtons();
}
/// <summary>
/// Fill the various structures with step data from the BPEL XML file
/// </summary>
/// <param name="workflowContext"> workflowcontextModel class</param>
/// <param name="startElement">Integer value representing the starting element in the nodeList.</param>
/// <param name="nodeList">XmlNodeList containing the BPEL data from the BPEL file</param>
/// <param name="cancelEventHandlerName">cancelEventHandlerName</param>
private void FillStepList(WorkflowContext workflowContext, List <IWorkflowStep> workflowStepList, int startElement, XmlNodeList nodeList, ref string cancelEventHandlerName)
{
for (int i = startElement; i < nodeList.Count; i++)
{
var currentStep = nodeList[i];
if (!string.IsNullOrEmpty(currentStep.Prefix))
{
currentStep.Prefix = "bpel";
}
if (currentStep is XmlComment)
{
continue;
}
if (currentStep.LocalName == "invoke")
{
var workflowStep = new InvokeStep(currentStep.Attributes);
workflowStepList.Add(workflowStep);
}
else if (currentStep.LocalName == "sequence")
{
var sequenceStep = new SequenceStep(currentStep.Attributes);
workflowStepList.Add(sequenceStep);
FillStepList(workflowContext, sequenceStep.WorkflowSteps, 0, currentStep.ChildNodes, ref cancelEventHandlerName);
}
else if (currentStep.LocalName == "scope")
{
// can't get tool to produce invoke without having it enclosed in a scope.
// just ignore scope for now but get the internals as if at the same level.
FillStepList(workflowContext, workflowStepList, 0, currentStep.ChildNodes, ref cancelEventHandlerName);
}
else if (currentStep.LocalName == "receive")
{
var receiveStep = new ReceiveStep(currentStep.Attributes);
workflowStepList.Add(receiveStep);
string messageName = String.Empty;
string timesetTime = String.Empty;
if (currentStep.Attributes != null)
{
foreach (XmlAttribute attrib in currentStep.Attributes)
{
if (attrib.LocalName == "timeout")
{
timesetTime = attrib.Value;
}
if (attrib.LocalName == "variable")
{
messageName = attrib.Value;
}
}
}
if (!timeoutParameters.ContainsKey(messageName))
{
timeoutParameters.Add(messageName, timesetTime);
}
}
else if (currentStep.LocalName == "switch")
{
var switchStep = new SwitchStep(currentStep.Attributes);
workflowStepList.Add(switchStep);
// Fill case/otherwise steps inside of switch step
FillStepList(workflowContext, switchStep.WorkflowSteps, 0, currentStep.ChildNodes, ref cancelEventHandlerName);
}
else if (currentStep.LocalName == "case")
{
var caseStep = new CaseStep(currentStep.Attributes, false);
workflowStepList.Add(caseStep);
FillStepList(workflowContext, caseStep.WorkflowSteps, 0, currentStep.ChildNodes, ref cancelEventHandlerName);
}
else if (currentStep.LocalName == "otherwise")
{
var caseStep = new CaseStep(currentStep.Attributes, true);
workflowStepList.Add(caseStep);
FillStepList(workflowContext, caseStep.WorkflowSteps, 0, currentStep.ChildNodes, ref cancelEventHandlerName);
}
else if (currentStep.LocalName == "while")
{
var whileStep = new WhileStep(currentStep.Attributes);
workflowStepList.Add(whileStep);
FillStepList(workflowContext, whileStep.WorkflowSteps, 0, currentStep.ChildNodes, ref cancelEventHandlerName);
}
else if (currentStep.LocalName == "pick")
{
var pickStep = new PickStep(currentStep.Attributes);
workflowStepList.Add(pickStep);
FillStepList(workflowContext, pickStep.WorkflowSteps, 0, currentStep.ChildNodes, ref cancelEventHandlerName);
}
else if (currentStep.LocalName == "eventHandlers")
{
//we will handle this section as same as handl scope
FillStepList(workflowContext, workflowStepList, 0, currentStep.ChildNodes, ref cancelEventHandlerName);
}
else if (currentStep.LocalName == "onMessage")
{
var messageStep = new OnMessageStep(currentStep.Attributes);
workflowStepList.Add(messageStep);
string messageName = String.Empty;
string timesetTime = String.Empty;
if (currentStep.Attributes != null)
{
foreach (XmlAttribute attrib in currentStep.Attributes)
{
if (attrib.LocalName == "timeout")
{
timesetTime = attrib.Value;
}
if (attrib.LocalName == "variable")
{
messageName = attrib.Value;
}
}
}
if (!timeoutParameters.ContainsKey(messageName))
{
timeoutParameters.Add(messageName, timesetTime);
}
FillStepList(workflowContext, messageStep.WorkflowSteps, 0, currentStep.ChildNodes, ref cancelEventHandlerName);
}
else if (currentStep.LocalName == "onEvent")
{
var onEventStep = new OnEventStep(currentStep.Attributes);
workflowContext.MessageTimeoutEventHanlderDict.Add(onEventStep.EventKey, onEventStep.StepId);
workflowStepList.Add(onEventStep);
FillStepList(workflowContext, onEventStep.WorkflowSteps, 0, currentStep.ChildNodes, ref cancelEventHandlerName);
}
else if (currentStep.LocalName == "partnerLinks")
{
FillPartnerLinkList(workflowContext, currentStep);
}
else if (currentStep.LocalName == "variables")
{
FillVariableList(workflowContext, currentStep);
}
else if (currentStep.LocalName == "faultHandlers")
{
foreach (XmlNode childNode in currentStep.ChildNodes)
{
var faultHandler = new FaultHandler(childNode);
workflowStepList.Add(faultHandler);
FillStepList(workflowContext, faultHandler.WorkflowSteps, 0, childNode.ChildNodes, ref cancelEventHandlerName);
}
}
else
{
Debug.Fail("Unhandled " + currentStep.Name + " of " + currentStep.InnerText);
}
}
}