using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using DevExpress.XtraReports.UserDesigner;
using DevExpress.XtraReports.UI;
using DevExpress.XtraReports.UserDesigner.Native;
using System.IO;
using DevExpress.Data;
using System.Drawing.Design;
using DevExpress.XtraEditors;
using DevExpress.XtraPrinting;
using System.Data.Linq;
using System.Linq;
using System.Text.RegularExpressions;
using ICSSoft.Base.Config.AppConfig;
using ICSSoft.Base.Lable.Entity;
using ICSSoft.Base.Config.DBHelper;

namespace ICSSoft.Base.Lable.PrintTool
{
    public partial class FormPrintDesigner : XRDesignFormExBase 
    {
        private DataSet _DtSource { get; set; }
       
        private string _PrintFortmatText { get; set; }

        private string _LinkCols = "";
        private string _PrintId = "";
      
        private string _UserID = "";
        public FormPrintDesigner(string tempId)
        {
            InitializeComponent();
            _PrintId = tempId;


            _UserID = AppConfig.UserId;
            Sys_Lables obj = GetPrintTemp();
            Sys_LableDataSource dsource=GetLableDataSource(obj.LableSourceID);
            string tempSql = dsource.SqlTxt;
            if (tempSql.Contains("[AppConfig.WorkPointCode]"))
            {
                tempSql = tempSql.Replace("[AppConfig.WorkPointCode]", AppConfig.WorkPointCode);
            }
            if (tempSql.Contains("[AppConfig.UserId]"))
            {
                tempSql = tempSql.Replace("[AppConfig.UserId]", AppConfig.UserId);
            }
            if (tempSql.Contains("[AppConfig.UserCode]"))
            {
                tempSql = tempSql.Replace("[AppConfig.UserCode]", AppConfig.UserCode);
            }
            if (tempSql.Contains("[AppConfig.UserName]"))
            {
                tempSql = tempSql.Replace("[AppConfig.UserName]", AppConfig.UserName);
            }
            if (tempSql.Contains("[AppConfig.WorkPointName]"))
            {
                tempSql = tempSql.Replace("[AppConfig.WorkPointName]", AppConfig.WorkPointName);
            }
            Dictionary<string, string> dbDic = AppConfig.GetDataBaseNames();
            foreach (string key in dbDic.Keys)
            {
                if (tempSql.Contains(key))
                {
                    tempSql = tempSql.Replace(key, dbDic[key]);
                }
            }
            string[] indexs = dsource.Paras.Split(',');
            List<string> indexList = new List<string>();
            foreach (string index in indexs)
            {
                if (!string.IsNullOrEmpty(index))
                {
                    indexList.Add(index);
                }
            }
            if (indexList.Count > 0)
            {
                foreach (string index in indexList)
                {
                    if (tempSql.Contains("'" + index + "'"))
                    {
                        tempSql = tempSql.Replace(index, "");
                    }
                    else
                    {
                        tempSql = tempSql.Replace(index, "0");
                    }
                }
            }

            string conn = "";
            if (dsource.SysDataFlag)
            {
                conn = AppConfig.FrameConnectString;
            }
            else
            {
                if (dsource.WorkPointDataFlag)
                {
                    conn = AppConfig.AppConnectString;
                }
                else
                {
                  conn=  AppConfig.GetDataBaseConnectString(dsource.OtherDataBaseID);
                }
            }
            _DtSource = DBHelper.ExecuteDataset(conn,CommandType.Text,tempSql);
            _PrintFortmatText = obj==null?"":obj.LableXml;
            _LinkCols = dsource.LinkCols;
           
            this.xrDesignPanel.AddCommandHandler(new SaveCommandHandler(this.xrDesignPanel,_PrintId,AppConfig.FrameConnectString,_UserID) );
        }
        /// <summary>
        /// 获取模板信息
        /// </summary>
        /// <returns></returns>
        private Sys_Lables GetPrintTemp()
        {
            using (LableDataContext db = new LableDataContext(AppConfig.FrameConnectString))
            {
                Sys_Lables obj = db.Sys_Lables.SingleOrDefault(a => a.ID == _PrintId);
                return obj;
            }
        }
        private Sys_LableDataSource GetLableDataSource(string ID)
        {
            using (LableDataContext db = new LableDataContext(AppConfig.FrameConnectString))
            {
                Sys_LableDataSource obj = db.Sys_LableDataSource.SingleOrDefault(a => a.ID == ID);
                return obj;
            }
        }
        /// <summary>
        /// Load the report into the designer
        /// </summary>
        public void BindReport()
        {
            XtraReport ltdReport = new XtraReport();
            string msg = "";
            if (_DtSource.Tables.Count == 1)
            {
                ltdReport.DataSource = _DtSource.Tables[0];
                ltdReport.DataMember = _DtSource.Tables[0].TableName;
            }
            else if (_DtSource.Tables.Count > 1)
            {
                if (_LinkCols.Trim() == "")
                {
                    msg += "没有关联字段！\n";
                }
                else
                {
                    for (int i = 0; i < _DtSource.Tables.Count; i++)
                    {
                        if (!_DtSource.Tables[i].Columns.Contains(_LinkCols))
                        {
                            msg += "表:" + _DtSource.Tables[i] .TableName+ "没有关联字段！\n";
                        }
                        
                        
                    }
                }
                DataColumn parentCol = _DtSource.Tables[0].Columns[_LinkCols];
                if (msg == "")
                {


                    for (int i = 0; i < _DtSource.Tables.Count; i++)
                    {
                        if (i == 0)
                            continue;
                        DataColumn sonCol = _DtSource.Tables[i].Columns[_LinkCols];
                        DataRelation relatioon = new DataRelation("R"+i.ToString(), parentCol, sonCol);
                        if (!_DtSource.Relations.Contains("R"+i.ToString()))
                        {
                            _DtSource.Relations.Add(relatioon);
                        }
                    }
                    ltdReport.DataMember = _DtSource.Tables[0].TableName;
                    ltdReport.DataSource = _DtSource;
                }

            }
            else
            {
                msg += "列印数据源错误！\n";
            }
            if (msg != "")
            {
                MessageBox.Show( msg);
                return;
            }
            if (!string.IsNullOrEmpty(_PrintFortmatText))
            {
                byte[] bs2 = System.Text.Encoding.UTF8.GetBytes(_PrintFortmatText);

                MemoryStream steam = new MemoryStream(bs2);
                ltdReport.LoadLayout(steam);
                ltdReport.CreateDocument();
            }

 
            xrDesignPanel.OpenReport( ltdReport );


            commandBarItem32.Enabled = false;
        }


        ///// <summary>
        ///// Hide data source properties
        ///// </summary>
        ///// <param name="sender"></param>
        ///// <param name="e"></param>
        //void LTDReport_FilterControlProperties( object sender, FilterControlPropertiesEventArgs e )
        //{
        //    if ( e.Properties.Contains( "DataSource" ))
        //        e.Properties.Remove( "DataSource" );

        //    if ( e.Properties.Contains( "DataMember" ) )
        //        e.Properties.Remove( "DataMember" );

        //    if ( e.Properties.Contains( "DataAdapter" ) )
        //        e.Properties.Remove( "DataAdapter" );
        //}

        private void commandBarItem31_ItemClick( object sender, DevExpress.XtraBars.ItemClickEventArgs e )
        {
            BindReport();
        }

        private void xrDesignPanel_DesignerHostLoaded( object sender, DesignerLoadedEventArgs e )
        {
            IToolboxService ts = ( IToolboxService )e.DesignerHost.GetService( typeof( IToolboxService ) );

            ToolboxItem devExpressSubReport = null;

            // Add a custom control.
            ToolboxItemCollection toolboxItems = ts.GetToolboxItems();

            foreach( ToolboxItem toolboxItem in toolboxItems )
            {
                if ( toolboxItem.TypeName == "DevExpress.XtraReports.UI.XRSubreport" )
                {
                    devExpressSubReport = toolboxItem;
                    break;
                }
            }

            if ( devExpressSubReport != null )
                ts.RemoveToolboxItem( devExpressSubReport );

        }

        private void FormRepDesign_Load(object sender, EventArgs e)
        {
            BindReport();
        }

        private void FormRepDesign_FormClosed(object sender, FormClosedEventArgs e)
        {
            //MemoryStream layoutStream = new MemoryStream();
            //xrDesignPanel.Report.SaveLayout(layoutStream);

            //xrDesignPanel.ReportState = ReportState.Saved;
            ////  StreamReader readStream = new StreamReader(layoutStream, Encoding.UTF8);
            //string txt = System.Text.Encoding.UTF8.GetString(layoutStream.ToArray());
            ////readStream.Close();

            //_PrintFortmatText = txt;

        }
    }

    /// <summary>
    /// Command Handler to overwrite the save event
    /// </summary>
    public class SaveCommandHandler : DevExpress.XtraReports.UserDesigner.ICommandHandler
    {
        XRDesignPanel panel;
        private string _PrintId = "";
        private string _ConnectString = "";
        private string _UserCode = "";
        public SaveCommandHandler( XRDesignPanel panel,string pId,string connectString ,string userCode)
        {
            this.panel = panel;
            _PrintId = pId;
            _ConnectString = connectString;
            _UserCode = userCode;
           
        }

        public void HandleCommand(ReportCommand command, object[] args)
        {
            bool useNexHadle = true ;
            if (!CanHandleCommand(command, ref useNexHadle))
                return;

            // Save a report.
            if ( panel.ReportState == ReportState.Changed && command == ReportCommand.Closing )
            {
   
                    Save();
            }
            else if (command != ReportCommand.Closing)
            {
                if ( panel.ReportState == ReportState.Changed )
                    Save();
            }
          //  handled = true;
        }

        public bool CanHandleCommand(ReportCommand command, ref bool useNextHandler)
        {
            // This handler is used for SaveFile, SaveFileAs and Closing commands.
            return command == ReportCommand.SaveFile ||
                command == ReportCommand.SaveFileAs ||
                command == ReportCommand.Closing;
        }

        void Save()
        {
            if (MessageBox.Show( "是否保存修改？","提示",MessageBoxButtons.YesNo,MessageBoxIcon.Information) == DialogResult.No)
                return;
            LableDataContext db = new LableDataContext(_ConnectString);
            db.Connection.Open();
            db.Transaction = db.Connection.BeginTransaction();
            try
            {
                var temp = db.Sys_Lables.SingleOrDefault(a => a.ID == _PrintId);
                if (temp == null)
                {
                   MessageBox.Show("模板不存在数据库中，无法保存更新！");
                   
                }
                else
                {

                    string txt = "";
                    using (MemoryStream layoutStream = new MemoryStream())
                    {
                        panel.Report.SaveLayout(layoutStream);
                        txt = System.Text.Encoding.UTF8.GetString(layoutStream.ToArray());

                    }
                    temp.LableXml = txt;
                    temp.CreateDate =DateTime.Now;
                    temp.CreateUserID =_UserCode;
                    db.SubmitChanges();
                    db.Transaction.Commit();
                    panel.ReportState = ReportState.Saved;
                   
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show( "异常:" + ex.Message);
                db.Transaction.Rollback();
            }
        }

        #region ICommandHandler Members



        #endregion
    }



}