using System;
using System.Collections;
using System.Data;
using BP.Sys;
using BP.En;

namespace BP.WF.HttpHandler
{
    /// <summary>
    /// 页面功能实体
    /// </summary>
    public class WF_Admin_FoolFormDesigner_SFTable : DirectoryPageBase
    {
        /// <summary>
        /// 构造函数
        /// </summary>
        public WF_Admin_FoolFormDesigner_SFTable()
        {

        }

        #region xxx 界面 .
        /// <summary>
        ///  初始化sf0. @于庆海，新方法.
        /// </summary>
        /// <returns></returns>
        public string SF0_Init()
        {
            string cl = "BP.En.Entities";
            ArrayList al = ClassFactory.GetObjects(cl);

            //定义容器.
            DataTable dt = new DataTable();
            dt.Columns.Add("No");
            dt.Columns.Add("Name");

            SFTables sfs = new SFTables();
            sfs.RetrieveAll();

            foreach (object obj in al)
            {
                Entities ens = obj as Entities;
                if (ens == null)
                    continue;

                try
                {
                    Entity en = ens.GetNewEntity;
                    if (en == null)
                        continue;

                    if (en.EnMap.Attrs.Contains("No") == false)
                        continue;

                    if (sfs.Contains(ens.ToString()) == true)
                        continue;

                    DataRow dr = dt.NewRow();
                    dr["No"] = ens.ToString();

                    if (en.IsTreeEntity)
                        dr["Name"] = en.EnMap.EnDesc + "(树结构) " + ens.ToString();
                    else
                        dr["Name"] = en.EnMap.EnDesc + " " + ens.ToString();

                    dt.Rows.Add(dr);
                }
                catch
                {

                }
            }
            return BP.Tools.Json.ToJson(dt);
        }
        public string SF0_Save()
        {
            return "保存成功.";
        }
        #endregion xxx 界面方法.

        #region 表或者视图 .
        /// <summary>
        ///  初始化sf2.
        /// </summary>
        /// <returns></returns>
        public string SF2_Init()
        {
            SFDBSrcs srcs = new SFDBSrcs();
            srcs.RetrieveAll();
            return srcs.ToJson();
        }

        public string SF2_GetTVs()
        {
            string src = this.GetRequestVal("src");

            SFDBSrc sr = new SFDBSrc(src);
            DataTable dt = sr.GetTables();

            return BP.Tools.Json.ToJson(dt);
        }

        public string SF2_GetCols()
        {
            string src = this.GetRequestVal("src");
            string table = this.GetRequestVal("table");

            if (string.IsNullOrWhiteSpace(src))
                throw new Exception("err@参数不正确");

            if (string.IsNullOrWhiteSpace(table))
            {
                return "[]";
            }

            SFDBSrc sr = new SFDBSrc(src);
            DataTable dt = sr.GetColumns(table);

            foreach (DataRow r in dt.Rows)
            {
                r["Name"] = r["No"] + (r["Name"] == null || r["Name"] == DBNull.Value || string.IsNullOrWhiteSpace(r["Name"].ToString()) ? "" : string.Format("[{0}]", r["Name"]));
            }

            return BP.Tools.Json.ToJson(dt);
        }

        public string SF2_Save()
        {
            SFTable sf = new SFTable();
            sf.No = this.GetValFromFrmByKey("No");
            if (sf.IsExits)
                return "err@标记:" + sf.No + "已经存在.";

            sf.Name = this.GetValFromFrmByKey("Name");
            sf.FK_SFDBSrc = this.GetValFromFrmByKey("FK_DBSrc");
            sf.SrcTable = this.GetValFromFrmByKey("SrcTable");
            sf.CodeStruct = (CodeStruct) this.GetValIntFromFrmByKey("CodeStruct");
            sf.ColumnValue = this.GetValFromFrmByKey("ColumnValue");
            sf.ColumnText = this.GetValFromFrmByKey("ColumnText");
            if (sf.CodeStruct == CodeStruct.Tree)
            {
                sf.ParentValue = this.GetValFromFrmByKey("ParentValue");
                sf.DefVal = this.GetValFromFrmByKey("RootValue");
            }
            sf.SelectStatement = this.GetValFromFrmByKey("Selectstatement");
            sf.SrcType = SrcType.TableOrView;
            sf.FK_Val = "FK_" + sf.No;
            sf.Save();

            return "保存成功！";
        }

        #endregion xxx 界面方法.
       
    }
}