private Step GetNext(Step current)
{
LinkedListNode<Step> aCurrent = this.flowSteps.Find(current);
if (aCurrent.Next != null)
return aCurrent.Next.Value;
return null;
}
/// <summary>
/// 移除步骤
/// </summary>
/// <param name="step">步骤</param>
public void Remove(Step step)
{
if (this.flowSteps.Contains(step))
{
this.flowSteps.Remove(step);
}
}
/// <summary>
/// 插入步骤
/// </summary>
/// <param name="newStep">新步骤</param>
/// <param name="index">插入位置</param>
public void Insert(Step newStep, int index)
{
if (index == this.flowSteps.Count())
{
this.flowSteps.AddLast(newStep);
return;
}
if (index < 0 || index > this.flowSteps.Count)
{
throw new ArgumentException("Insert step overflow index");
}
if (!this.flowSteps.Contains(newStep))
{
Step step = this.flowSteps.ElementAt(index);
LinkedListNode<Step> current = this.flowSteps.Find(step);
this.flowSteps.AddBefore(current, newStep);
}
}
/// <summary>
/// addAfter
/// </summary>
/// <param name="step"></param>
/// <param name="newStep"></param>
public void AddAfter(Step step, Step newStep)
{
this.flowSteps.AddAfter(this.flowSteps.Find(step), newStep);
}
/// <summary>
/// 添加流程步骤
/// </summary>
/// <param name="step">步骤</param>
public void Add(Step step)
{
this.flowSteps.AddLast(step);
}
private static void SetDisableAtReturned(FlowEngine flowEngine, Step returnedStep)
{
LinkedListNode<Step> stepNode = flowEngine.FlowSteps.Find(returnedStep);
if (stepNode == null) return;
stepNode = stepNode.Next;
while (stepNode != null)
{
Step step = stepNode.Value;
foreach (var node in step.Nodes)
{
if (node.AuditType != AuditType.Disable)
{
node.AuditType = AuditType.Disable;
}
}
stepNode = stepNode.Next;
}
}