using System;
using System.Collections;
using BP.DA;
using BP.En;
using BP.Port;
using BP.WF.Template;

namespace BP.WF.Template
{
    /// <summary>
    /// 节点方向属性
    /// </summary>
    public class DirectionAttr
    {
        /// <summary>
        /// 节点
        /// </summary>
        public const string Node = "Node";
        /// <summary>
        /// 转向的节点
        /// </summary>
        public const string ToNode = "ToNode";
        /// <summary>
        /// 到达节点名称
        /// </summary>
        public const string ToNodeName = "ToNodeName";
        /// <summary>
        /// 流程编号
        /// </summary>
        public const string FK_Flow = "FK_Flow";
        /// <summary>
        /// 描述
        /// </summary>
        public const string Des = "Des";
        /// <summary>
        /// 是否显示网关?
        /// </summary>
        public const string GateWay = "GateWay";
        /// <summary>
        /// 节点类型
        /// </summary>
        public const string NodeType = "NodeType";
        /// <summary>
        /// 顺序
        /// </summary>
        public const string Idx = "Idx";
        /// <summary>
        /// 路径点
        /// </summary>
        public const string Vertices = "Vertices";
    }
    /// <summary>
    /// 节点方向
    /// 节点的方向有两部分组成.
    /// 1, Node.
    /// 2, toNode.
    /// 记录了从一个节点到其他的多个节点.
    /// 也记录了到这个节点的其他的节点.
    /// </summary>
    public class Direction : EntityMyPK
    {
        #region 基本属性
        /// <summary>
        ///节点
        /// </summary>
        public int Node
        {
            get
            {
                return this.GetValIntByKey(DirectionAttr.Node);
            }
            set
            {
                this.SetValByKey(DirectionAttr.Node, value);
            }
        }
        public string FlowNo
        {
            get
            {
                return this.GetValStringByKey(DirectionAttr.FK_Flow);
            }
            set
            {
                this.SetValByKey(DirectionAttr.FK_Flow, value);
            }
        }
        /// <summary>
        /// 转向的节点
        /// </summary>
        public int ToNode
        {
            get
            {
                return this.GetValIntByKey(DirectionAttr.ToNode);
            }
            set
            {
                this.SetValByKey(DirectionAttr.ToNode, value);
            }
        }
        public int Idx
        {
            get
            {
                return this.GetValIntByKey(DirectionAttr.Idx);
            }
            set
            {
                this.SetValByKey(DirectionAttr.Idx, value);
            }
        }
        public string Des
        {
            get
            {
                return this.GetValStringByKey(DirectionAttr.Des);
            }
            set
            {
                this.SetValByKey(DirectionAttr.Des, value);
            }
        }
        #endregion

        #region 构造方法
        /// <summary>
        /// 节点方向
        /// </summary>
        public Direction() { }
        /// <summary>
        /// 重写基类方法
        /// </summary>
        public override Map EnMap
        {
            get
            {
                if (this._enMap != null)
                    return this._enMap;

                Map map = new Map("WF_Direction", "节点方向信息");
                map.IndexField = DirectionAttr.FK_Flow;
                /*
                 * MyPK 是一个复合主键 是由 Node+'_'+ToNode+'_'+DirType 组合的. 比如: 101_102_1
                 */
                map.AddMyPK();
                map.AddTBString(DirectionAttr.FK_Flow, null, "流程", true, true, 0, 4, 0, false);
                map.AddTBInt(DirectionAttr.Node, 0, "从节点", false, true);
                map.AddTBInt(DirectionAttr.ToNode, 0, "到节点", false, true);
                map.AddTBString(DirectionAttr.ToNodeName, null, "到达节点名称", true, true, 0, 300, 300, false);
                map.AddTBInt(DirectionAttr.GateWay, 0, "网关显示?", true, true);
                map.AddTBInt(DirectionAttr.NodeType, 0, "ToNode类型0=工作,1=路由,2=抄送,3=子流程,4=结束", true, true);
                map.AddTBString(DirectionAttr.Vertices, "", "路径数据", false, true, 0, 50, 200);
                map.AddTBString(DirectionAttr.Des, null, "描述", true, true, 0, 100, 0, false);
                map.AddTBInt(DirectionAttr.Idx, 0, "计算优先级顺序", true, true);

                ////相关功能。
                //map.AttrsOfOneVSM.Add(new BP.WF.Template.DirectionStations(), new BP.Port.Stations(),
                //    NodeStationAttr.FK_Node, NodeStationAttr.FK_Station,
                //    StationAttr.Name, StationAttr.No, "方向条件与角色");
                //map.AddTBInt(DirectionAttr.CondExpModel, 0, "条件计算方式", false, true);
                //map.AttrsOfOneVSM.Add(new BP.WF.Template.NodeDepts(), new BP.Port.Depts(), NodeDeptAttr.FK_Node, NodeDeptAttr.FK_Dept, DeptAttr.Name,
                //DeptAttr.No, "节点部门", Dot2DotModel.TreeDept);
                this._enMap = map;
                return this._enMap;
            }
        }
        #endregion

        protected override bool beforeUpdateInsertAction()
        {
            this.setMyPK(this.FlowNo + "_" + this.Node + "_" + this.ToNode);
            return base.beforeUpdateInsertAction();
        }
        /// <summary>
        /// 处理pk 
        /// </summary>
        /// <returns></returns>
        protected override bool beforeInsert()
        {
            this.setMyPK(this.FlowNo + "_" + this.Node + "_" + this.ToNode);
            return base.beforeInsert();
        }
        protected override bool beforeDelete()
        {
            this.setMyPK(this.FlowNo + "_" + this.Node + "_" + this.ToNode);

            //删除条件.
            Conds nds = new Conds();
            nds.Delete(CondAttr.FK_Node, this.Node, CondAttr.ToNodeID, this.ToNode);

            return base.beforeDelete();
        }
        /// <summary>
        /// 上移
        /// </summary>
        public void DoUp()
        {
            this.DoOrderUp(DirectionAttr.Node, this.Node.ToString(), DirectionAttr.Idx);
            this.UpdateHisToNDs();
        }
        /// <summary>
        /// 下移
        /// </summary>
        public void DoDown()
        {
            this.DoOrderDown(DirectionAttr.Node, this.Node.ToString(), DirectionAttr.Idx);
            this.UpdateHisToNDs();
        }

        public void UpdateHisToNDs()
        {
            //获得方向集合处理toNodes
            Directions mydirs = new Directions(this.Node);

            Node nd = new Node(this.Node);

            string strs = "";
            foreach (Direction dir in mydirs)
            {
                strs += "@" + dir.ToNode;
            }
            nd.HisToNDs = strs;
            nd.Update();

        }
    }
    /// <summary>
    /// 节点方向
    /// </summary>
    public class Directions : Entities
    {
        /// <summary>
        /// 节点方向
        /// </summary>
        public Directions() { }
        /// <summary>
        /// 方向
        /// </summary>
        /// <param name="flowNo"></param>
        public Directions(string flowNo)
        {
            QueryObject qo = new QueryObject(this);
            qo.AddWhere(DirectionAttr.FK_Flow, flowNo);
            qo.addOrderBy("Node,Idx");
            qo.DoQuery();
        }

        /// <summary>
        /// 节点方向
        /// </summary>
        /// <param name="NodeID">节点ID</param>
        public Directions(int NodeID)
        {
            QueryObject qo = new QueryObject(this);
            qo.AddWhere(DirectionAttr.Node, NodeID);
            qo.addAnd();
            qo.AddWhereIn(DirectionAttr.NodeType, "(0,1)"); //普通节点+路由节点

            qo.addOrderBy(DirectionAttr.Idx);  //方向条件的优先级.
            qo.DoQuery();
        }
        /// <summary>
        /// 得到它的 Entity 
        /// </summary>
        public override Entity GetNewEntity
        {
            get
            {
                return new Direction();
            }
        }
        /// <summary>
        /// 此节点的转向方向集合
        /// </summary>
        /// <param name="nodeID">此节点的ID</param>
        /// <param name="isLifecyle">是不是判断在节点的生存期内</param>		 
        /// <returns>转向方向集合(ToNodes)</returns> 
        public Nodes GetHisToNodes(int nodeID, bool isLifecyle)
        {
            Nodes nds = new Nodes();
            QueryObject qo = new QueryObject(nds);
            qo.AddWhereInSQL(NodeAttr.NodeID, "SELECT ToNode FROM WF_Direction WHERE Node=" + nodeID+ " AND (NodeType=0 OR NodeType=1) ");
            qo.DoQuery();
            return nds;
        }
        /// <summary>
        /// 转向此节点的集合的Nodes
        /// </summary>
        /// <param name="nodeID">此节点的ID</param>
        /// <returns>转向此节点的集合的Nodes (FromNodes)</returns> 
        public Nodes GetHisFromNodes(int nodeID)
        {
            QueryObject qo = new QueryObject(this);
            qo.AddWhere(DirectionAttr.ToNode, nodeID);
            qo.DoQuery();
            Nodes ens = new Nodes();
            foreach (Direction en in this)
            {
                ens.AddEntity(new Node(en.Node));
            }
            return ens;
        }

        #region 为了适应自动翻译成java的需要,把实体转换成List.
        /// <summary>
        /// 转化成 java list,C#不能调用.
        /// </summary>
        /// <returns>List</returns>
        public System.Collections.Generic.IList<Direction> ToJavaList()
        {
            return (System.Collections.Generic.IList<Direction>)this;
        }
        /// <summary>
        /// 转化成list
        /// </summary>
        /// <returns>List</returns>
        public System.Collections.Generic.List<Direction> Tolist()
        {
            System.Collections.Generic.List<Direction> list = new System.Collections.Generic.List<Direction>();
            for (int i = 0; i < this.Count; i++)
            {
                list.Add((Direction)this[i]);
            }
            return list;
        }
        #endregion 为了适应自动翻译成java的需要,把实体转换成List.

    }
}