private void FillMainStreamForDisplayActivities(IWfActivityDescriptor actDesp, List <WfMainStreamActivityDescriptor> msActivities)
{
string actKey = string.Empty;
if (!string.IsNullOrEmpty(actDesp.AssociatedActivityKey))
{
actKey = actDesp.AssociatedActivityKey;
}
else
{
actKey = actDesp.Key;
}
List <WfMainStreamActivityDescriptor> cloneActivities = new List <WfMainStreamActivityDescriptor>();
foreach (var innerAct in msActivities)
{
if (innerAct.Activity.Key == actKey || (innerAct.Activity.AssociatedActivityKey != null && innerAct.Activity.AssociatedActivityKey == actKey))
{
cloneActivities.Add(new WfMainStreamActivityDescriptor(actDesp));
break;
}
cloneActivities.Add(innerAct);
}
msActivities.Clear();
cloneActivities.ForEach(c => msActivities.Add(c));
if (msActivities.Find(act => act.Activity.Key == actKey || (act.Activity.AssociatedActivityKey != null && act.Activity.AssociatedActivityKey == actKey)) == null)
{
msActivities.Add(new WfMainStreamActivityDescriptor(actDesp));
}
//查找经过的线
IWfTransitionDescriptor transition = actDesp.ToTransitions.FindElapsedTransition();
if (transition != null && transition.IsBackward == true)
{
transition = null;
}
if (transition == null)
{
//如果经过的线不存在，则查找缺省的线或优先级最高的线
WfTransitionDescriptorCollection transitions = actDesp.ToTransitions.GetAllCanTransitForwardTransitions();
transition = transitions.FindDefaultSelectTransition();
}
if (transition == null)
{
transition = actDesp.ToTransitions.FindDefaultSelectTransition();
}
if (transition != null && transition.IsBackward == true)
{
transition = null;
transition = actDesp.ToTransitions.Find(t => t.IsBackward == false);
}
if (transition != null)
{
bool flag = msActivities.Find(a => a.Activity.Key == transition.ToActivity.Key) == null;
if (flag)
{
FillMainStreamForDisplayActivities(transition.ToActivity, msActivities);
}
}
}
private void InnerFillMainStreamActivities(IWfActivityDescriptor actDesp, List <WfMainStreamActivityDescriptor> msActivities, Dictionary <string, IWfActivityDescriptor> elapsedActivities)
{
if (elapsedActivities.ContainsKey(actDesp.Key))
{
return;
}
elapsedActivities.Add(actDesp.Key, actDesp);
string actKey = actDesp.GetAssociatedActivity() != null?actDesp.GetAssociatedActivity().Key : actDesp.Key;
int position = -1;
for (int i = msActivities.Count - 1; i >= 0; i--)
{
if (msActivities[i].Activity.Key == actKey || msActivities[i].Activity.AssociatedActivityKey == actKey)
{
position = i;
break;
}
}
if (position >= 0) //替换为最新的活动
{
msActivities[position] = new WfMainStreamActivityDescriptor(actDesp);
}
else
{
msActivities.Add(new WfMainStreamActivityDescriptor(actDesp));
}
//2012/5/2，也许需要调整一下次序，符合条件的优先，然后是经过的线
//查找经过的线
IWfTransitionDescriptor transition = null;
//如果流程描述，不是实例中保存的主线流程描述，则从经过的线查找
if (this.Variables.GetValue("MainStream", false) == false)
{
transition = actDesp.ToTransitions.FindElapsedTransition();
}
if (transition != null && transition.IsBackward == true)
{
transition = null;
}
if (transition == null)
{
//如果经过的线不存在，则查找缺省的线或优先级最高的线
WfTransitionDescriptorCollection transitions = actDesp.ToTransitions.GetAllCanTransitForwardTransitions();
transition = transitions.FindDefaultSelectTransition();
}
if (transition == null)
{
transition = actDesp.ToTransitions.FindDefaultSelectTransition();
}
if (transition != null && transition.IsBackward == true)
{
transition = null;
transition = actDesp.ToTransitions.Find(t => t.IsBackward == false);
}
if (transition != null)
{
InnerFillMainStreamActivities(transition.ToActivity, msActivities, elapsedActivities);
}
}