/// <summary>
/// Creates workflow transitions. Called when the "Create transition" button is pressed.
/// Expects the CreateWorklow and CreateStep method to be run first.
/// </summary>
private bool CreateTransition()
{
// Get the workflow
WorkflowInfo worklow = WorkflowInfoProvider.GetWorkflowInfo("MyNewWorkflow", WorkflowTypeEnum.Approval);
if (worklow != null)
{
// Get steps with codename 'MyNewStep' and 'Published'
WorkflowStepInfo myNewStep = WorkflowStepInfoProvider.GetWorkflowStepInfo("MyNewStep", worklow.WorkflowID);
WorkflowStepInfo publishedStep = WorkflowStepInfoProvider.GetWorkflowStepInfo("Published", worklow.WorkflowID);
if ((myNewStep != null) && (publishedStep != null))
{
// Get existing transition leading to 'Published step'
string where = "TransitionEndStepID = " + publishedStep.StepID;
InfoDataSet <WorkflowTransitionInfo> transitions = WorkflowTransitionInfoProvider.GetWorkflowTransitions(worklow.WorkflowID, where, null, 1, null);
WorkflowTransitionInfo existingTransition = transitions.First <WorkflowTransitionInfo>();
// Change existing transition to leads from 'Start step' to 'My new step'
existingTransition.TransitionEndStepID = myNewStep.StepID;
// Save existing transition
WorkflowTransitionInfoProvider.SetWorkflowTransitionInfo(existingTransition);
// Connect 'My new step' step to 'Published' step
myNewStep.ConnectTo(myNewStep.StepDefinition.SourcePoints[0].Guid, publishedStep);
return(true);
}
}
return(false);
}
/// <summary>
/// Deletes workflow transition. Called when the "Delete transition" button is pressed.
/// Expects the CreateWorklow and CreateTransitions method to be run first.
/// </summary>
private bool DeleteTransition()
{
// Get the process
WorkflowInfo worklow = WorkflowInfoProvider.GetWorkflowInfo("MyNewWorkflow", WorkflowTypeEnum.Approval);
if (worklow != null)
{
// Get step
WorkflowStepInfo startStep = WorkflowStepInfoProvider.GetWorkflowStepInfo("MyNewStep", worklow.WorkflowID);
if (startStep != null)
{
// Get existing transition leading from 'My new step'
string where = "TransitionStartStepID = " + startStep.StepID;
InfoDataSet <WorkflowTransitionInfo> transitions = WorkflowTransitionInfoProvider.GetWorkflowTransitions(worklow.WorkflowID, where, null, 1, null);
WorkflowTransitionInfo existingTransition = transitions.First <WorkflowTransitionInfo>();
if (existingTransition != null)
{
// Delete transition
WorkflowTransitionInfoProvider.DeleteWorkflowTransitionInfo(existingTransition);
return(true);
}
}
}
return(false);
}
/// <summary>
/// Creates process transitions. Called when the "Create transitions" button is pressed.
/// Expects the CreateProcess and CreateProcessStep method to be run first.
/// </summary>
private bool CreateProcessTransitions()
{
// Get the process
WorkflowInfo process = WorkflowInfoProvider.GetWorkflowInfo("MyNewProcess", WorkflowTypeEnum.Automation);
if (process != null)
{
// Get the previously created process step
WorkflowStepInfo step = WorkflowStepInfoProvider.GetWorkflowStepInfo("MyNewProcessStep", process.WorkflowID);
// Get the step with codename 'Finished'
WorkflowStepInfo finishedStep = WorkflowStepInfoProvider.GetWorkflowStepInfo("Finished", process.WorkflowID);
if ((step != null) && (finishedStep != null))
{
// Get existed transition from 'Start' step to 'Finished' step
InfoDataSet <WorkflowTransitionInfo> transitions = WorkflowTransitionInfoProvider.GetWorkflowTransitions(process.WorkflowID, null, null, 1, null);
WorkflowTransitionInfo existedTransition = transitions.First <WorkflowTransitionInfo>();
// Change existed transition to leads from 'Start' step to 'My new step' step
existedTransition.TransitionEndStepID = step.StepID;
// Save existed transition
WorkflowTransitionInfoProvider.SetWorkflowTransitionInfo(existedTransition);
// Connect 'My new step' step to 'Finished' step
step.ConnectTo(step.StepDefinition.SourcePoints[0].Guid, finishedStep);
return(true);
}
}
return(false);
}
/// <summary>
/// Reloads the data in the selector.
/// </summary>
public void ReloadData()
{
if (ddlSourcePoints.Items.Count == 0)
{
WorkflowStepInfo step = WorkflowStepInfoProvider.GetWorkflowStepInfo(WorkflowStepID);
if (step != null)
{
Step definition = step.StepDefinition;
if ((definition == null) || (definition.SourcePoints == null))
{
Visible = false;
}
else
{
List <SourcePoint> sourcePoints = definition.SourcePoints;
Guid?defaultCase = null;
List <WorkflowTransitionInfo> connections = WorkflowTransitionInfoProvider.GetStepTransitions(step, null);
foreach (SourcePoint sp in sourcePoints)
{
AddItem(sp, connections);
if (sp.Type == SourcePointTypeEnum.SwitchDefault)
{
defaultCase = sp.Guid;
}
}
// Ensure default source point for timeout
if (step.StepAllowDefaultTimeoutTarget && !sourcePoints.Exists(s => (s is TimeoutSourcePoint)))
{
AddItem(new TimeoutSourcePoint(), connections);
}
if (definition.TimeoutTarget != Guid.Empty)
{
ddlSourcePoints.SelectedValue = definition.TimeoutTarget.ToString();
}
else if (defaultCase.HasValue)
{
ddlSourcePoints.SelectedValue = defaultCase.Value.ToString();
}
}
}
}
// Set visibility
Visible = IsVisible();
}
