public ActionResult deleteLine()
{
string templateId = Request.Form["templateId"];
string LineID = Request.Form["LineID"];
if (Session[templateId] != null)
{
MyDB mydb = Session[templateId] as MyDB;
/// 连接线可能有三种情况:来自于活动,表达式,或分支节点的缺省
WFNodeAction action = mydb.WFNodeActions.Find(LineID);
if (action != null)
{
mydb.WFNodeActions.Remove(action);
return(Json(new { success = true }));
}
WFNodeExpression expression = mydb.WFNodeExpressions.Find(LineID);
if (expression != null)
{
mydb.WFNodeExpressions.Remove(expression);
return(Json(new { success = true }));
}
WFNodeStart start = mydb.WFNodeStarts.Find(LineID);
if (start != null)
{
start.Next = null;
return(Json(new { success = true }));
}
return(Json(new { success = false }));
}
return(Json(new { success = false }));
}
/// <summary>
/// URL: /workflow/Instance/create/id
/// id: 模板ID
/// 发起流程
/// </summary>
/// <returns></returns>
public ActionResult create(string id)
{
using (MyDB mydb = new MyDB())
{
WFTemplate template = mydb.WFTemplates.Find(id);
WFNodeStart start = template.Nodes.OfType <WFNodeStart>().First();
WFNodeHandle next = start.Next as WFNodeHandle;
if (next is WFNodeHandle)
{
((WFNodeHandle)next).Actions.Select(a => a);
}
Type t = getType(template);
EntityObjectLib.WFInst inst = Activator.CreateInstance(t) as EntityObjectLib.WFInst;
inst.WFTemplate = template;
inst.State = "处理中";
inst.WFInstNodes = new WFInstNode[] {
new WFInstNode
{
WFNode = next,
State = "处理中",
EntryTime = DateTime.Now,
WFInst = inst
}
};
// 这里有一个设计约束:开始节点后一定是个处理节点
return(View("toHandle", inst.CurrentNode));
}
}