/*******************************************************************************
* Copyright(c) 2014 DongkeSoft All rights reserved. / Confidential
* 类的信息：
*      1.程序名称：F_PM_0905.cs
*      2.功能描述：新建半成品检验-新建、编辑
* 编辑履历：
*      作者            日期                版本            修改内容
*      王鑫            2014/10/06          1.00            新建
*******************************************************************************/

using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using System.Windows.Forms;

using Dongke.IBOSS.PRD.Basics.BaseControls;
using Dongke.IBOSS.PRD.Basics.BaseResources;
using Dongke.IBOSS.PRD.Client.CommonModule;
using Dongke.IBOSS.PRD.WCF.Proxys;

namespace Dongke.IBOSS.PRD.Client.PMModule
{
    /// <summary>
    /// 新建半成品检验-新建、编辑
    /// </summary>
    public partial class F_PM_0905 : FormBase
    {
        #region 成员变量

        // 当前操作数据表
        private DataTable _dtBarCode = null;
        // 当前产品条码
        private string _barcode;
        // 当前产品ID
        private int _goodsID = 0;
        // 当前工序ID
        private int _procedureID = 0;
        // 当前是否为编辑 true
        private bool _isEdit = false;
        // 临时数
        private int _tempcount = 0;
        // 调用实例对象
        F_PM_0903 _frm0903 = null;
        // 员工数据集
        private DataSet _dsStaff = null;
        // 图片数据集
        private DataSet _dsImage = null;
        // 生产数据ID
        private int _productionDataID = 0;
        // 图片字节集
        private List<byte[]> _PicByte = new List<byte[]>();
        // 缩略图片字节集
        private List<byte[]> _smallByte = new List<byte[]>();
        // 行索引
        private int _rowIndex = 0;
        // 当前缺陷编码
        private string _currentDutyCode = "";
        // 当前缺陷位置编码
        private string _currentDefectPositionCode = "";
        // 当前缺陷责任工序编码
        private string _currentDefectProcedureCode = "";
        // 当前缺陷工号编码
        private string _currentDefectUserCode = "";
        // 当前缺陷工号ID
        private int _currentDefectUserID = 0;

        #endregion

        #region 构造函数

        public F_PM_0905()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="dtBarCode">当前操作的数据表</param>
        /// <param name="barcode">当前产品条码</param>
        /// <param name="goodsID">当前产品ID</param>
        /// <param name="tempcount">当前累加数，防止重复</param>
        /// <param name="procedureID">当前工序</param>
        /// <param name="titleText">当前窗体名称</param>
        /// <param name="isEdit">false 新建 true编辑</param>
        /// <param name="frm0903">调用实例对象</param>
        /// <param name="dsStaff">员工数据集</param>
        /// <param name="dsImage">图片数据集</param>
        /// <param name="picByte">原图字节数组</param>
        /// <param name="smallByte">缩略图字节数组</param>
        /// <param name="rowIndex">编辑行号标识</param>
        public F_PM_0905(DataTable dtBarCode
                        , string barcode
                        , int goodsID
                        , int tempcount
                        , int procedureID
                        , string titleText
                        , bool isEdit
                        , F_PM_0903 frm0903
                        , DataSet dsStaff
                        , DataSet dsImage
                        , List<byte[]> picByte
                        , List<byte[]> smallByte
                        , int rowIndex)
        {
            InitializeComponent();
            this.Text = titleText;
            this._dtBarCode = dtBarCode;
            this._barcode = barcode;
            this._goodsID = goodsID;
            this._procedureID = procedureID;
            this._isEdit = isEdit;
            this._tempcount = tempcount;
            this._frm0903 = frm0903;
            this._dsStaff = dsStaff;
            this._dsImage = dsImage;
            this._rowIndex = rowIndex;
            this.btnSave.Text = ButtonText.BTN_SAVE;
            this.btnCancel.Text = ButtonText.BTN_CLOSE;
            this.btnUpload.Text = ButtonText.BTN_UPLOAD;
            this.btnDelete.Text = ButtonText.BTN_DELETE;
        }

        #endregion

        #region 事件

        private void F_PM_0905_Load(object sender, EventArgs e)
        {
            DataSet dsDefectByProcedure = (DataSet)DoAsync(new BaseAsyncMethod(() =>
            {
                return PMModuleProxy.Service.GetDefectByProcedure(this._procedureID);
            }));
            if (dsDefectByProcedure != null && dsDefectByProcedure.Tables.Count > Constant.INT_IS_ZERO
                && dsDefectByProcedure.Tables[0].Rows.Count > Constant.INT_IS_ZERO)
            {
                this.dropDuty.DisplayMember = "DEFECTFLAGNAME";
                this.dropDuty.ValueMember = "DEFECTFLAGID";
                this.dropDuty.DataSource = dsDefectByProcedure.Tables[0];
            }
            else
            {
                this.dropDuty.DisplayMember = "DEFECTFLAGNAME";
                this.dropDuty.ValueMember = "DEFECTFLAGID";
                this.dropDuty.DataSource = GetDuty();
            }
            // 缺陷位置
            DataSet dsDefectLocation = (DataSet)DoAsync(new BaseAsyncMethod(() =>
            {
                return PMModuleProxy.Service.GetDefectLocaionByGoodsID(this._goodsID);
            }));
            this.dropDefectLocation.DisplayMember = "DEFECTPOSITIONCODEANDNAME";
            this.dropDefectLocation.ValueMember = "DEFECTPOSITIONID";
            this.dropDefectLocation.DataSource = dsDefectLocation.Tables[0];
            //// 缺陷扣罚
            //DataSet dsDefectFine = (DataSet)DoAsync(new BaseAsyncMethod(() =>
            //{
            //    return SystemModuleProxy.Service.GetDictionaryData(0, "ASE002");
            //}));
            //DataRow dr = dsDefectFine.Tables[0].NewRow();
            //dr["DictionaryID"] = -1;
            //dr["DictionaryValue"] = "";
            //dsDefectFine.Tables[0].Rows.InsertAt(dr, 0);
            //dsDefectFine.Tables[0].AcceptChanges();
            //this.cmbDefectFine.DisplayMember = "DictionaryValue";
            //this.cmbDefectFine.ValueMember = "DictionaryID";
            //this.cmbDefectFine.DataSource = dsDefectFine.Tables[0];
            DataSet dsResultAccount = (DataSet)DoAsync(new BaseAsyncMethod(() =>
            {
                return SystemModuleProxy.Service.GetAllDefectFine();
            }));
            if (dsResultAccount != null && dsResultAccount.Tables[0].Rows.Count > 0)
            {
                DataView dv = dsResultAccount.Tables[0].DefaultView;
                dv.RowFilter = "valueflag=1";
                this.cmbDefectFine.DisplayMember = "DefectFineCode";
                this.cmbDefectFine.ValueMember = "DefectFineID";

                DataTable dtNew = dv.ToTable();
                DataRow dr = dtNew.NewRow();
                dr["DefectFineID"] = -1;
                dr["DefectFineCode"] = "";
                dtNew.Rows.InsertAt(dr, 0);
                dtNew.AcceptChanges();
                this.cmbDefectFine.DisplayMember = "DefectFineCode";
                this.cmbDefectFine.ValueMember = "DefectFineID";
                this.cmbDefectFine.DataSource = dtNew;
            }
            if (this._isEdit)
            {
                this.dropDuty.SelectedValue = this._dtBarCode.Rows[this._rowIndex]["DefectID"].ToString();
                this._currentDutyCode = this._dtBarCode.Rows[this._rowIndex]["DefectCode"].ToString();
                // 缺陷位置
                this.dropDefectLocation.SelectedValue = this._dtBarCode.Rows[this._rowIndex]["DefectPositionID"].ToString();
                this._currentDefectPositionCode = this._dtBarCode.Rows[this._rowIndex]["DefectPositionCode"].ToString();
                this.txtRemarks.Text = this._dtBarCode.Rows[this._rowIndex]["DefectRemarks"].ToString();
                BindByteImage(this._dsImage.Tables[string.Format("TempTable{0}", this._tempcount.ToString())]);
                if (this._dtBarCode.Rows[this._rowIndex]["DefectFineID"].ToString() != "-1")
                {
                    this.cmbDefectFine.SelectedValue = this._dtBarCode.Rows[this._rowIndex]["DefectFineID"].ToString();
                }
            }
        }

        /// <summary>
        /// 缺陷验证事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dropDuty_Validating(object sender, System.ComponentModel.CancelEventArgs e)
        {
            if (this.dropDuty.SelectedValue.ToString() != string.Empty)
            {
                string DutyValue = this.dropDuty.SelectedValue.ToString();
                DataTable dtDuty = this.dropDuty.DataSource as DataTable;
                if (dtDuty.Rows.Count > Constant.INT_IS_ZERO)
                {
                    DataRow[] dr = dtDuty.Select("DefectFlagID=" + DutyValue);
                    if (dr.Length > Constant.INT_IS_ZERO)
                    {
                        this._currentDutyCode = dr[0]["DefectCode"].ToString();
                    }
                }
            }
        }

        /// <summary>
        /// 保存按钮事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSave_Click(object sender, EventArgs e)
        {
            if (this.dropDuty.SelectedValue == null || this.dropDuty.SelectedValue.ToString() == string.Empty)
            {
                MessageBox.Show(string.Format(Messages.MSG_CMN_W005, "缺陷"),
                          this.Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            if (this.dropDefectLocation.SelectedValue == null || this.dropDefectLocation.SelectedValue.ToString() == string.Empty)
            {
                MessageBox.Show(string.Format(Messages.MSG_CMN_W005, "缺陷位置"),
                          this.Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            if (!this._isEdit)
            {
                // 每次添加不能重复
                if (this._dtBarCode != null && this._dtBarCode.Rows.Count > Constant.INT_IS_ZERO)
                {
                    DataRow[] drExist = this._dtBarCode.Select(
                        string.Format("DefectID={0} and DefectPositionID={1}",
                        this.dropDuty.SelectedValue.ToString() == string.Empty ? 0 : this.dropDuty.SelectedValue,
                        this.dropDefectLocation.SelectedValue.ToString() == string.Empty ? 0 : this.dropDefectLocation.SelectedValue
                                     )
                        );
                    if (drExist.Length > Constant.INT_IS_ZERO)
                    {
                        // 提示信息
                        MessageBox.Show(Messages.MSG_PM_W001,
                            this.Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                        return;
                    }
                }
                DataRow dr = this._dtBarCode.NewRow();
                dr["BarCode"] = this._dtBarCode;
                dr["discarde"] = 0;
                dr["DefectID"] = this.dropDuty.SelectedValue.ToString() == string.Empty ? 0 : this.dropDuty.SelectedValue;
                dr["DefectName"] = this.dropDuty.Text;
                dr["DefectCode"] = this._currentDutyCode;
                dr["DefectPositionID"] = this.dropDefectLocation.SelectedValue.ToString() == string.Empty ? 0 : this.dropDefectLocation.SelectedValue;
                dr["DefectPositionName"] = this.dropDefectLocation.Text;
                dr["DefectPositionCode"] = this._currentDefectPositionCode;
                dr["DefectProcedureID"] = DBNull.Value;
                dr["DefectProcedureName"] = DBNull.Value;
                dr["DefectProcedureCode"] = DBNull.Value;
                dr["DefectUserID"] = DBNull.Value;
                dr["DefectUserName"] = DBNull.Value;
                dr["DefectUserCode"] = DBNull.Value;
                dr["Jobs"] = DBNull.Value;
                dr["JobsText"] = DBNull.Value;
                dr["DefectRemarks"] = this.txtRemarks.Text;
                dr["TempCount"] = this._tempcount;
                dr["ProductionDataID"] = this._productionDataID;
                if (this.cmbDefectFine.SelectedValue != null && this.cmbDefectFine.SelectedValue.ToString() != "-1")
                {
                    dr["DefectFineID"] = this.cmbDefectFine.SelectedValue;
                    dr["DefectFineValue"] = this.cmbDefectFine.Text; ;
                }
                else
                {
                    dr["DefectFineID"] = -1;
                    dr["DefectFineValue"] = string.Empty;
                }
                this._dtBarCode.Rows.Add(dr);
            }
            else
            {
                if (this._dtBarCode != null && this._dtBarCode.Rows.Count > Constant.INT_IS_ZERO)
                {
                    int currentRowIndex = -1; // 用来匹配是否编辑自己
                    for (int i = 0; i < this._dtBarCode.Rows.Count; i++)
                    {
                        if (Convert.ToInt32(this._dtBarCode.Rows[i]["DefectID"]) ==
                                (this.dropDuty.SelectedValue.ToString() == string.Empty ? 0 : Convert.ToInt32(this.dropDuty.SelectedValue))
                            &&
                           Convert.ToInt32(this._dtBarCode.Rows[i]["DefectPositionID"]) ==
                                (this.dropDefectLocation.SelectedValue.ToString() == string.Empty ? 0 : Convert.ToInt32(this.dropDefectLocation.SelectedValue))
                           )
                        {
                            currentRowIndex = i;
                            break;
                        }
                    }
                    if (currentRowIndex != -Constant.INT_IS_ONE && currentRowIndex != this._rowIndex) // 更新后会有重复
                    {
                        // 提示信息
                        MessageBox.Show(Messages.MSG_PM_W001,
                            this.Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                        return;
                    }
                }
                this._dtBarCode.Rows[this._rowIndex]["BarCode"] = this._dtBarCode;
                this._dtBarCode.Rows[this._rowIndex]["discarde"] = 0;
                this._dtBarCode.Rows[this._rowIndex]["DefectID"] = this.dropDuty.SelectedValue.ToString() == string.Empty ? 0 : this.dropDuty.SelectedValue;
                this._dtBarCode.Rows[this._rowIndex]["DefectName"] = this.dropDuty.Text;
                this._dtBarCode.Rows[this._rowIndex]["DefectCode"] = this._currentDutyCode;
                this._dtBarCode.Rows[this._rowIndex]["DefectPositionID"] = this.dropDefectLocation.SelectedValue.ToString() == string.Empty ? 0 : this.dropDefectLocation.SelectedValue;
                this._dtBarCode.Rows[this._rowIndex]["DefectPositionName"] = this.dropDefectLocation.Text;
                this._dtBarCode.Rows[this._rowIndex]["DefectPositionCode"] = this._currentDefectPositionCode;
                this._dtBarCode.Rows[this._rowIndex]["DefectProcedureID"] = DBNull.Value;
                this._dtBarCode.Rows[this._rowIndex]["DefectProcedureName"] = DBNull.Value;
                this._dtBarCode.Rows[this._rowIndex]["DefectProcedureCode"] = DBNull.Value;
                this._dtBarCode.Rows[this._rowIndex]["DefectUserID"] = DBNull.Value;
                this._dtBarCode.Rows[this._rowIndex]["DefectUserName"] = DBNull.Value;
                this._dtBarCode.Rows[this._rowIndex]["DefectUserCode"] = DBNull.Value;
                this._dtBarCode.Rows[this._rowIndex]["Jobs"] = DBNull.Value;
                this._dtBarCode.Rows[this._rowIndex]["JobsText"] = DBNull.Value;
                this._dtBarCode.Rows[this._rowIndex]["DefectRemarks"] = this.txtRemarks.Text;
                this._dtBarCode.Rows[this._rowIndex]["TempCount"] = this._tempcount;
                this._dtBarCode.Rows[this._rowIndex]["ProductionDataID"] = this._productionDataID;
                if (this.cmbDefectFine.SelectedValue != null && this.cmbDefectFine.SelectedValue.ToString() != "-1")
                {
                    this._dtBarCode.Rows[this._rowIndex]["DefectFineID"] = this.cmbDefectFine.SelectedValue;
                    this._dtBarCode.Rows[this._rowIndex]["DefectFineValue"] = this.cmbDefectFine.Text; ;
                }
                else
                {
                    this._dtBarCode.Rows[this._rowIndex]["DefectFineID"] = -1;
                    this._dtBarCode.Rows[this._rowIndex]["DefectFineValue"] = string.Empty;
                }
                this._dtBarCode.AcceptChanges();
            }

            // 防止工种不选择的话，直接New一个
            if (!this._dsStaff.Tables.Contains(string.Format("TempTable{0}", _tempcount.ToString())))
            {
                DataTable dtStaff = new DataTable(string.Format("TempTable{0}", _tempcount.ToString()));
                dtStaff.Columns.Add("IsSelected");
                dtStaff.Columns.Add("StaffID");
                dtStaff.Columns.Add("StaffCode");
                dtStaff.Columns.Add("StaffName");
                dtStaff.Columns.Add("StaffTempCount");
                dtStaff.Columns.Add("StaffStatus");
                dtStaff.Columns.Add("Jobs");
                this._dsStaff.Tables.Add(dtStaff);
            }
            if (!this._dsImage.Tables.Contains(string.Format("TempTable{0}", this._tempcount.ToString())))
            {
                DataTable dtImage = new DataTable(string.Format("TempTable{0}", this._tempcount.ToString()));
                dtImage.Columns.Add("StaffTempCount");
                dtImage.Columns.Add("ImageByte", typeof(byte[]));
                dtImage.Columns.Add("OrgImageByte", typeof(byte[]));
                this._dsImage.Tables.Add(dtImage);
            }
            this._frm0903.BindByteImage(this._dsImage.Tables[string.Format("TempTable{0}", _tempcount.ToString())]);
            this._tempcount = _tempcount + 1;
            this._frm0903.SetDataSource(_tempcount);
            ClearText();
            if (this._isEdit)
            {
                // 保存后如果是编辑进来的，更改后可以继续录入，当前改为插入了
                this._isEdit = false;
            }
        }

        /// <summary>
        /// 上传图片按钮事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnUpload_Click(object sender, EventArgs e)
        {
            try
            {
                if (!this._dsImage.Tables.Contains(string.Format("TempTable{0}", this._tempcount.ToString())))
                {
                    DataTable dtImage = new DataTable(string.Format("TempTable{0}", this._tempcount.ToString()));
                    dtImage.Columns.Add("StaffTempCount");
                    dtImage.Columns.Add("ImageByte", typeof(byte[]));
                    dtImage.Columns.Add("OrgImageByte", typeof(byte[]));
                    this._dsImage.Tables.Add(dtImage);
                }
                this.odlgFile.Filter = Constant.FILTER_PIC;
                this.odlgFile.FilterIndex = Constant.INT_IS_ZERO;
                this.odlgFile.RestoreDirectory = true;
                this.odlgFile.Title = "选择缺陷图片";
                this.odlgFile.FileName = null;
                this.odlgFile.RestoreDirectory = true;
                if (this.odlgFile.ShowDialog() == DialogResult.OK)
                {
                    FileInfo file = new FileInfo(odlgFile.FileName);

                    if (Constant.UPLOAD_PIC_MAX_SIZE < file.Length)
                    {
                        MessageBox.Show(string.Format(Messages.MSG_CMN_W013, "缺陷图片", "大小", "1M"),
                            this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
                    }
                    else
                    {
                        Image PicImage = Image.FromStream(file.OpenRead());
                        byte[] orgImageByte = ImageToByte(PicImage);
                        this._PicByte.Add(orgImageByte);
                        GetThumbnail(file, orgImageByte);
                        BindImg();
                    }
                }
            }
            catch (Exception ex)
            {
                // 对异常进行共通处理
                ExceptionManager.HandleEventException(this.ToString(),
                    System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
            }
        }

        /// <summary>
        /// 删除图片按钮事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnDelete_Click(object sender, EventArgs e)
        {
            foreach (ListViewItem lvSelect in lvPic.SelectedItems)
            {
                int index = lvSelect.Index;
                if (index < Constant.INT_IS_ZERO)
                {
                    index = Constant.INT_IS_ZERO;
                }
                this._dsImage.Tables[string.Format("TempTable{0}", this._tempcount)].Rows.RemoveAt(lvSelect.Index);
                this._dsImage.Tables[string.Format("TempTable{0}", this._tempcount)].AcceptChanges();
                this._frm0903.BindByteImage(this._dsImage.Tables[string.Format("TempTable{0}", this._tempcount)]);
                this.BindByteImage(this._dsImage.Tables[string.Format("TempTable{0}", this._tempcount)]);
            }
        }

        /// <summary>
        /// 缺陷位置验证事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dropDefectLocation_Validating(object sender, System.ComponentModel.CancelEventArgs e)
        {
            if (this.dropDefectLocation.SelectedValue != null && this.dropDefectLocation.SelectedValue.ToString() != string.Empty)
            {
                string DefectLocationCode = this.dropDefectLocation.SelectedValue.ToString();
                DataTable dtDefectLocationCode = this.dropDefectLocation.DataSource as DataTable;
                if (dtDefectLocationCode.Rows.Count > Constant.INT_IS_ZERO)
                {
                    DataRow[] dr = dtDefectLocationCode.Select("DefectPositionID=" + DefectLocationCode);
                    if (dr.Length > Constant.INT_IS_ZERO)
                    {
                        this._currentDefectPositionCode = dr[0]["DefectPositionCode"].ToString();
                    }
                }
            }
        }

        #endregion

        #region 私有方法

        /// <summary>
        /// 获取缺陷
        /// </summary>
        /// <returns></returns>
        private DataTable GetDuty()
        {
            DataTable dtDuty = new DataTable();
            dtDuty.Columns.Add("DEFECTFLAGNAME");
            dtDuty.Columns.Add("DEFECTFLAGID");
            return dtDuty;
        }

        /// <summary>
        /// 责任工序数据表
        /// </summary>
        /// <returns></returns>
        private DataTable GetDutyProcedure()
        {
            DataTable dtDutyProcedure = new DataTable();
            dtDutyProcedure.Columns.Add("DutyProcedureName");
            dtDutyProcedure.Columns.Add("DutyProcedureID");
            return dtDutyProcedure;
        }

        /// <summary>
        /// 责任工号数据表
        /// </summary>
        /// <returns></returns>
        private DataTable GetDutyProcedureUser()
        {
            DataTable dtDutyProcedureUser = new DataTable();
            dtDutyProcedureUser.Columns.Add("UserCode");
            dtDutyProcedureUser.Columns.Add("UserID");
            return dtDutyProcedureUser;
        }

        /// <summary>
        /// 责任工种数据表
        /// </summary>
        /// <returns></returns>
        private DataTable GetDutyProcedureJobs()
        {
            DataTable dtDutyProcedureJobs = new DataTable();
            dtDutyProcedureJobs.Columns.Add("JobsName");
            dtDutyProcedureJobs.Columns.Add("Jobs");
            return dtDutyProcedureJobs;
        }

        /// <summary>
        /// 获取缺陷扣罚
        /// </summary>
        /// <returns></returns>
        private DataTable GetDefectFine()
        {
            DataTable dtDefectFine = new DataTable();
            dtDefectFine.Columns.Add("DictionaryValue");
            dtDefectFine.Columns.Add("DictionaryID");
            return dtDefectFine;
        }

        /// <summary>
        /// 保存后界面数据初始化
        /// </summary>
        private void ClearText()
        {
            this.dropDuty.SelectedValue = string.Empty;
            this.dropDuty.Text = string.Empty;
            this.dropDefectLocation.SelectedValue = string.Empty;
            this.dropDefectLocation.Text = string.Empty;
            this.txtRemarks.Text = string.Empty;
            this._smallByte.Clear();
            this.lvPic.Clear();
            this.cmbDefectFine.SelectedValue = -1;
        }

        /// <summary>
        /// 将图片文件转换成二进制
        /// </summary>
        /// <param name="img"></param>
        /// <returns></returns>
        public static byte[] ImageToByte(Image img)
        {
            byte[] smallbuffer = null;
            using (MemoryStream ms = new MemoryStream())
            {
                img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
                ms.Position = Constant.INT_IS_ZERO;
                smallbuffer = new byte[ms.Length];
                ms.Read(smallbuffer, Constant.INT_IS_ZERO, Convert.ToInt32(ms.Length));
                ms.Flush();
            }
            return smallbuffer;
        }

        /// <SUMMARY>
        /// 重绘缩略图并把缩略图转为二进制储存
        /// </SUMMARY>
        /// <PARAM name="sourceFile">图片源路径</PARAM>
        /// <PARAM name="destHeight">缩放后图片高度</PARAM>
        /// <PARAM name="destWidth">缩放后图片宽度</PARAM>
        /// <RETURNS></RETURNS>
        public void GetThumbnail(FileInfo sourceFile, byte[] orgImageByte)
        {
            Image imgSource = Image.FromStream(sourceFile.OpenRead());
            ImageFormat thisFormat = imgSource.RawFormat;
            int sW = 0, sH = 0;
            // 按比例缩放
            int sWidth = imgSource.Width;
            int sHeight = imgSource.Height;
            int destWidth = 100;
            int destHeight = getSmallImageHeight(sWidth, sHeight, destWidth);
            if (sHeight > destHeight || sWidth > destWidth)
            {
                if ((sWidth * destHeight) > (sHeight * destWidth))
                {
                    sW = destWidth;
                    sH = (destWidth * sHeight) / sWidth;
                }
                else
                {
                    sH = destHeight;
                    sW = (sWidth * destHeight) / sHeight;
                }
            }
            else
            {
                sW = sWidth;
                sH = sHeight;
            }
            Bitmap outBmp = new Bitmap(destWidth, destHeight);
            Graphics g = Graphics.FromImage(outBmp);
            g.Clear(Color.Black);
            // 设置画布的描绘质量
            g.CompositingQuality = CompositingQuality.HighQuality;
            g.SmoothingMode = SmoothingMode.HighQuality;
            g.InterpolationMode = InterpolationMode.HighQualityBicubic;
            g.DrawImage(imgSource, new Rectangle((destWidth - sW) / 2, (destHeight - sH) / 2, sW, sH), 0, 0, imgSource.Width, imgSource.Height, GraphicsUnit.Pixel);
            g.Dispose();
            //将重绘的图片转为二进制并保存
            Image image = (Image)outBmp;
            byte[] smallbuffer = ImageToByte(image);
            DataRow dr = this._dsImage.Tables[string.Format("TempTable{0}", this._tempcount)].NewRow();
            dr["StaffTempCount"] = this._tempcount;
            dr["ImageByte"] = smallbuffer;
            dr["OrgImageByte"] = orgImageByte;
            this._dsImage.Tables[string.Format("TempTable{0}", this._tempcount)].Rows.Add(dr);
            _smallByte.Add(smallbuffer);
            imgSource.Dispose();
            outBmp.Dispose();
        }
        /// <summary>
        /// 根据原图片宽高比获取缩略图的高(根据宽)
        /// </summary>
        /// <param name="BigWidth"></param>
        /// <param name="BigHeight"></param>
        /// <param name="SmallWidth"></param>
        /// <returns></returns>
        protected int getSmallImageHeight(int BigWidth, int BigHeight, int SmallWidth)
        {
            decimal scale = Convert.ToDecimal(BigWidth) / Convert.ToDecimal(BigHeight);
            return Convert.ToInt32(SmallWidth / scale);
        }

        /// <summary>
        /// 绑定缩略图到控件中
        /// </summary>
        protected void BindImg()
        {
            ImageList ilPic = new ImageList();
            //每次绑定要清空数据源
            ilPic.Images.Clear();
            //将缩略图二进制集合中的数据转换成图片文件
            List<Image> LSImageList = new List<Image>();
            foreach (byte[] smallby in _smallByte)
            {
                LSImageList.Add(byteArrayToImage(smallby));
            }
            //添加数据源
            foreach (Image img in LSImageList)
            {
                ilPic.Images.Add(img);
            }
            ilPic.ImageSize = new Size(100, 100);
            this.lvPic.LargeImageList = ilPic;
            this.lvPic.BeginUpdate();
            //清空列表的数据源
            lvPic.Items.Clear();
            //添加列表的数据源
            for (int i = 0; i < ilPic.Images.Count; i++)
            {
                ListViewItem lvi = new ListViewItem();
                lvi.ImageIndex = i;
                this.lvPic.Items.Add(lvi);
            }
            this.lvPic.EndUpdate();
        }

        /// <summary>
        /// 将数据库中的二进制转换成图片
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public static Image byteArrayToImage(object data)
        {
            System.IO.MemoryStream ms = new System.IO.MemoryStream((byte[])data);
            System.Drawing.Image returnImage = System.Drawing.Image.FromStream(ms);
            return returnImage;
        }

        /// <summary>
        /// 绑定并显示图片
        /// </summary>
        /// <param name="ImageData"></param>
        private void BindByteImage(DataTable ImageData)
        {
            this._smallByte.Clear();
            foreach (DataRow dr in ImageData.Rows)
            {
                //将数据库中的缩略图取出
                this._smallByte.Add((byte[])dr[1]);
            }
            //绑定缩略图
            BindImg();
        }

        #endregion

    }
}