protected override void OnModifyWorkflow(WfExecutorDataContext dataContext)
{
this.TargetActivity.Process.Committed = true;
IWfProcess process = TargetActivity.Process;
WfRuntime.ProcessContext.BeginChangeActivityChangingContext();
try
{
WfRuntime.ProcessContext.ActivityChangingContext.CreatorInstanceID = TargetActivity.ID;
WfRuntime.ProcessContext.ActivityChangingContext.AssociatedActivityKey =
TargetActivity.Descriptor.AssociatedActivityKey.IsNotEmpty() ?
TargetActivity.Descriptor.AssociatedActivityKey : TargetActivity.Descriptor.Key;
//string activityKey = process.Descriptor.FindNotUsedActivityKey();
//WfActivityDescriptor actDesp = new WfActivityDescriptor(activityKey);
//actDesp.Name = "会签";
var toReturnTrans = process.CurrentActivity.Descriptor.ToTransitions.FindAll(t => t.IsBackward == true);
WfActivityDescriptor actDesp = process.CurrentActivity.Descriptor.Clone() as WfActivityDescriptor;
actDesp.ActivityType = WfActivityType.NormalActivity;
actDesp.Properties.SetValue("AutoMoveAfterPending", false);
actDesp.ClonedKey = process.CurrentActivity.Descriptor.Key;
actDesp.BranchProcessTemplates.Clear();
process.CurrentActivity.Append(actDesp);
foreach (WfTransitionDescriptor t in toReturnTrans)
{
WfTransitionDescriptor trans = t.Clone() as WfTransitionDescriptor;
if (t.FromActivityKey == t.ToActivityKey)
{
trans.JoinActivity(actDesp, actDesp);
}
else
{
trans.JoinActivity(actDesp, t.ToActivity);
}
actDesp.ToTransitions.Add(trans);
}
//添加子流程
WfTransferParams tp = new WfTransferParams(actDesp);
tp.Assignees.CopyFrom(Assignees);
tp.BranchTransferParams.Add(new WfBranchProcessTransferParams(
WfTemplateBuilder.CreateDefaultConsignTemplate(
"WfConsignProcessTemplateDescriptorKey",
this.Sequence,
this.BlockingType,
this.ConsignUsers)));
if (this.CirculateUsers.Count <IUser>() > 0)
{
tp.BranchTransferParams.Add(new WfBranchProcessTransferParams(
WfTemplateBuilder.CreateDefaultCirculationTemplate(
"WfCirculationProcessTemplateDescriptorKey",
this.CirculateUsers)));
}
WfRuntime.ProcessContext.AfterStartupBranchProcess += new WfAfterStartupBranchProcessHandler(WfActivityRelativeExecutorBase.AfterStartupBranchProcess);
process.MoveTo(tp);
}
finally
{
WfRuntime.ProcessContext.RestoreChangeActivityChangingContext();
}
}
protected override IWfActivityDescriptor PrepareActivityDescriptor(IWfActivityDescriptor targetActDesp)
{
IWfProcessDescriptor processDesp = targetActDesp.Process;
string activityKey = processDesp.FindNotUsedActivityKey();
WfActivityDescriptor newActDesp = new WfActivityDescriptor(activityKey);
newActDesp.ActivityType = WfActivityType.NormalActivity;
//主线活动不应该有关联Key
newActDesp.AssociatedActivityKey = WfRuntime.ProcessContext.ActivityChangingContext.AssociatedActivityKey;
newActDesp.FromTransitions.Clear();
newActDesp.ToTransitions.Clear();
processDesp.Activities.Add(newActDesp);
newActDesp.Properties.SetValue("AutoMoveAfterPending", true);
IWfTransitionDescriptor defaultSelectTran = targetActDesp.ToTransitions.FindDefaultSelectTransition();
List <IWfTransitionDescriptor> movedTransitions = new List <IWfTransitionDescriptor>();
foreach (WfTransitionDescriptor t in targetActDesp.ToTransitions)
{
WfTransitionDescriptor cloneTransition = (WfTransitionDescriptor)t.Clone();
cloneTransition.Key = processDesp.FindNotUsedTransitionKey();
if (t.IsBackward == false)
{
cloneTransition.JoinActivity(newActDesp, t.ToActivity);
newActDesp.ToTransitions.Add(cloneTransition);
movedTransitions.Add(t);
t.ToActivity.FromTransitions.Remove(td => td.Key == t.Key);
t.ToActivity.FromTransitions.Add(cloneTransition);
if (t.Key == defaultSelectTran.Key)
{
t.Key = processDesp.FindNotUsedTransitionKey();
t.JoinActivity(targetActDesp, newActDesp);
newActDesp.FromTransitions.Add(t);
}
}
else
{
cloneTransition.JoinActivity(newActDesp, t.ToActivity);
newActDesp.ToTransitions.Add(cloneTransition);
movedTransitions.Add(t);
}
}
foreach (WfTransitionDescriptor t in movedTransitions)
{
targetActDesp.ToTransitions.Remove(t);
}
SetDynamicActivityProperties(targetActDesp, newActDesp);
IWfTransitionDescriptor newTransition = targetActDesp.ToTransitions.AddForwardTransition(newActDesp);
SetDynamicTransitionProperties(targetActDesp, newTransition);
return(newActDesp);
}
