protected override IWfActivity PrepareInstanceActivity()
{
ExceptionHelper.TrueThrow(this.TargetActivity.Descriptor.ActivityType == WfActivityType.CompletedActivity, "不能在结束活动后添加活动");
IWfProcess process = this.TargetActivity.Process;
IWfActivityDescriptor newActDesp = PrepareActivityDescriptor(this.TargetActivity.Descriptor);
IWfActivity newActivity = WfActivityBase.CreateActivityInstance(newActDesp, process);
if (WfRuntime.ProcessContext != null)
{
WfRuntime.ProcessContext.AffectedProcesses.AddOrReplace(process);
}
this.AddedActivity = newActivity;
return(newActivity);
}
private IWfActivityDescriptor CreateClonedActivityDescriptor(IWfProcess processInstance, WfCopyMainStreamContext context, WfControlOperationType operationType)
{
WfActivityDescriptor result = this.TemplateActivityDescriptor.Clone() as WfActivityDescriptor;
result.Key = processInstance.Descriptor.FindNotUsedActivityKey();
//2012/12/03 修改克隆时向开始环节转换时需要设置的属性
if (this.TemplateActivityDescriptor.ActivityType == WfActivityType.InitialActivity && operationType == WfControlOperationType.Return)
{
ResetPropertiesByDefinedName(result, "DefaultReturnToInitialActivityTemplate");
}
//如果模板活动不是主线活动，则使用该活动的关联Key，否则去实例上查找主线活动对应活动的关联Key。
if (this.TemplateActivityDescriptor.IsMainStreamActivity == false)
{
result.AssociatedActivityKey = this.TemplateActivityDescriptor.GetAssociatedActivity().Key;
result.ClonedKey = this.TemplateActivityDescriptor.Key;
}
else
{
IWfActivityDescriptor matchActDesp = FindActivityDescriptorByMainStreamKey(processInstance, this.TemplateActivityDescriptor.Key);
if (matchActDesp != null)
{
result.AssociatedActivityKey = matchActDesp.Key;
result.ClonedKey = matchActDesp.Key;
}
}
//如果原来活动上没有配置资源，则使用原来活动实例的指派人作为资源
if (result.Resources.Count == 0)
{
result.Resources.CopyFrom(this.TemplateActivityDescriptor.Instance.Assignees.ToResources());
}
WfActivityBase newActivity = WfActivityBase.CreateActivityInstance(result, processInstance);
if (context.IsMainStream)
{
newActivity.MainStreamActivityKey = this.TemplateActivityDescriptor.Key;
}
//沈峥调整，生成资源
if (result.Resources.Count == 0)
{
newActivity.Candidates.CopyFrom(this.TemplateActivityDescriptor.Instance.Candidates);
if (newActivity.Candidates.Count == 0)
{
IWfActivityDescriptor matchActDesp = FindActivityDescriptorByMainStreamKey(processInstance, this.TemplateActivityDescriptor.Key);
if (matchActDesp != null && OguBase.IsNotNullOrEmpty(matchActDesp.Instance.Operator))
{
newActivity.Candidates.Add(matchActDesp.Instance.Operator);
}
}
newActivity.Assignees.CopyFrom(newActivity.Candidates);
}
else
{
if (newActivity.Descriptor.Properties.GetValue("AutoGenerateCadidates", true))
{
newActivity.GenerateCandidatesFromResources();
newActivity.Assignees.Clear();
newActivity.Assignees.CopyFrom(newActivity.Candidates);
}
else
{
newActivity.Candidates.Clear();
newActivity.Assignees.Clear();
//仅复制能够和直接转换为用户的角色
foreach (IUser user in result.Resources.ToUsers())
{
newActivity.Candidates.Add(user);
newActivity.Assignees.Add(user);
}
}
}
processInstance.Descriptor.Activities.Add(result);
return(result);
}
private WfActivityDescriptorCollection CreateActivities(WfTransitionDescriptorCollection fromTransitions, WfCreateActivityParamCollection capc, WfTransitionDescriptorCollection toTransitions)
{
WfActivityDescriptorCollection result = new WfActivityDescriptorCollection(this.Process);
IWfActivityDescriptor firstDynamicActivity = null;
IWfActivityDescriptor lastDynamicActivity = null;
WfCreateActivityParam lastCreatedActivityParam = null;
foreach (WfCreateActivityParam cap in capc)
{
WfActivityDescriptor actDesp = (WfActivityDescriptor)cap.Template.Clone();
actDesp.Process = this.Process;
string newActKey = "ND" + cap.ActivitySN;
if (this.Process.Activities.ContainsKey(newActKey))
{
newActKey = this.Process.FindNotUsedActivityKey();
}
actDesp.Key = newActKey;
cap.CreatedDescriptor = actDesp;
this.Process.Activities.Add(actDesp);
if (lastCreatedActivityParam != null)
{
lastCreatedActivityParam.DefaultNextDescriptor = actDesp;
}
lastCreatedActivityParam = cap;
if (this.IsMainStreamActivity == false && this.ProcessInstance != null)
{
WfActivityBase.CreateActivityInstance(actDesp, this.ProcessInstance);
}
if (firstDynamicActivity == null)
{
firstDynamicActivity = actDesp;
}
if (lastDynamicActivity != null)
{
WfTransitionDescriptor newTransition = (WfTransitionDescriptor)lastDynamicActivity.ToTransitions.AddForwardTransition(actDesp);
//如果不是第一个生成的活动
if (firstDynamicActivity != actDesp)
{
newTransition.GeneratedByTemplate = true;
newTransition.TemplateKey = this.Key;
}
}
lastDynamicActivity = actDesp;
result.Add(actDesp);
}
if (firstDynamicActivity != null && lastDynamicActivity != null)
{
SetEntryTransitionsProperties(firstDynamicActivity, fromTransitions);
if (lastCreatedActivityParam != null)
{
IWfTransitionDescriptor defaultTransition =
toTransitions.GetAllConditionMatchedTransitions().FindDefaultSelectTransition(true);
if (defaultTransition != null)
{
lastCreatedActivityParam.DefaultNextDescriptor = defaultTransition.ToActivity;
}
}
capc.AdjustTransitionsByTemplate(this.Key);
//如果在活动模板参数的最后一个活动没有配置出线，则使用默认的出线；否则使用配置的出线
if (lastDynamicActivity.ToTransitions.Count == 0)
{
SetExitTransitionsProperties(lastDynamicActivity, toTransitions);
}
else
{
lastDynamicActivity.ToTransitions.ForEach(t => SetDynamicTransitionProperties(null, t, this, false));
}
}
else
{
//当没有动态活动生成时，前后的活动直接串联到一起
JoinOriginalActivitiesAndSetProperties(fromTransitions, toTransitions);
}
//将模版点的进出线的Enabled都设置为False
fromTransitions.ForEach(t => ((WfTransitionDescriptor)t).Enabled = false);
toTransitions.ForEach(t => ((WfTransitionDescriptor)t).Enabled = false);
return(result);
}
