/*******************************************************************************
 * Copyright(c) 2014 DongkeSoft All rights reserved. / Confidential
 * 类的信息：
 *      1.程序名称：F_CMN_0101.cs
 *      2.功能描述：附件上传
 * 编辑履历：
 *      作者            日期                版本            修改内容
 *      庄天威          2014/09/13          1.00            新建
 *******************************************************************************/

using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Windows.Forms;
using Dongke.IBOSS.PRD.Basics.BaseControls;
using Dongke.IBOSS.PRD.Basics.BaseResources;
using Dongke.IBOSS.PRD.Basics.Library;
using Dongke.IBOSS.PRD.WCF.DataModels;
using Dongke.IBOSS.PRD.WCF.Proxys;
using Dongke.IBOSS.PRD.WCF.Proxys.SystemModuleService;

namespace Dongke.IBOSS.PRD.Client.CommonModule
{
    /// <summary>
    /// 附件上传
    /// </summary>
    public partial class F_CMN_0101 : FormBase
    {
        #region 成员变量

        //产品ID
        private int _goodsId;
        // 添加附件的列表
        private DataTable _attachmenTable = new DataTable("attachmen");
        //添加附件的实体类集合
        private List<GoodsAttachmentEntity> _attList = new List<GoodsAttachmentEntity>();
        //修改附件的实体类集合
        private List<GoodsAttachmentEntity> _updateAttList = new List<GoodsAttachmentEntity>();

        #endregion

        #region 构造函数

        public F_CMN_0101(int GoodsId)
        {
            InitializeComponent();
            this._goodsId = GoodsId;
            this.Text = FormTitles.F_CMN_0101;
            this.btnUpload.Text = ButtonText.BTN_UPLOAD;
            this.btnSave.Text = ButtonText.BTN_SAVE;
            this.btnCancel.Text = ButtonText.BTN_CANCEL;
        }

        #endregion

        #region 事件

        /// <summary>
        /// 窗体加载事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void F_MST_0704_Load(object sender, EventArgs e)
        {
            try
            {
                // 设置不自动创建列
                this.dgvAttachmentNow.AutoGenerateColumns = false;
                // 加载已存在的附件
                DataSet dsAtt = GetOrderFixedAttachment();
                BindDGVSize();
                this.dgvAttachmentNow.DataSource = dsAtt.Tables[0];
                // 赋予成员变量附件列表_attachmenTable结构
                DataColumn fileNameColumn = new DataColumn("FileName");
                DataColumn localFilePathColumn = new DataColumn("LocalFilePath");
                this._attachmenTable.Columns.Add(fileNameColumn);
                this._attachmenTable.Columns.Add(localFilePathColumn);
            }
            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>
        /// 上传按钮事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnUpload_Click(object sender, EventArgs e)
        {
            try
            {
                string fileName = string.Empty;
                // 打开选择文件对话框
                odlgFile.Filter = Constant.FILTER_DOC;
                odlgFile.FilterIndex = 0;
                odlgFile.RestoreDirectory = true;
                odlgFile.Title = "选择附件";
                odlgFile.FileName = null;
                odlgFile.RestoreDirectory = true;
                if (odlgFile.ShowDialog() == DialogResult.OK)
                {
                    FileInfo file = new FileInfo(odlgFile.FileName);
                    this.txtUploadFile.Text = odlgFile.FileName;
                    // 将员工的附件添加到列表中
                    fileName = Path.GetFileName(this.txtUploadFile.Text.Trim());
                    this._attachmenTable.Rows.Add(fileName, this.txtUploadFile.Text);
                    this.dgvAttachment.DataSource = this._attachmenTable;
                }
                BindDGVSize();
            }
            catch (Exception ex)
            {
                // 对异常进行共通处理
                ExceptionManager.HandleEventException(this.ToString(),
                    System.Reflection.MethodBase.GetCurrentMethod().Name, this.Text, ex);
            }
        }

        #endregion

        #region 私有方法

        /// <summary>
        /// 根据ID获取产品附件
        /// </summary>
        /// <returns></returns>
        private DataSet GetOrderFixedAttachment()
        {
            DataSet dsAtt = SystemModuleProxy.Service.GetAttachmentByGoodsId(_goodsId);
            return dsAtt;
        }

        /// <summary>
        /// 将产品附件上传到服务器
        /// </summary>
        /// <param name="attachmenTable">本地附件列表</param>
        /// <returns>服务器附件列表</returns>
        private int UpLoadAttachmen(DataTable attachmenTable)
        {
            try
            {
                int MyReturn = 0;
                if ((attachmenTable != null && attachmenTable.Rows.Count > Constant.INT_IS_ZERO) || this._updateAttList.Count != Constant.INT_IS_ZERO)
                {
                    // 循环员工的附件上传到服务器并保存
                    foreach (DataRow dataRow in attachmenTable.Rows)
                    {
                        byte[] fileBinary = Utility.GetBytesByFilePath(dataRow["LocalFilePath"].ToString());
                        String FileName = dataRow["FileName"].ToString();
                        String FileType = FileName.Substring(FileName.LastIndexOf("."));
                        string filePath = CommonModuleProxy.Service.UpLoadFile("Goods", DateTime.Now, FileType, fileBinary);
                        // 保存实体
                        GoodsAttachmentEntity attEntity = new GoodsAttachmentEntity();
                        attEntity.FileName = FileName;
                        attEntity.FilePath = filePath;
                        attEntity.GoodsID = this._goodsId;
                        attEntity.IsUpdateAdd = 1;
                        this._attList.Add(attEntity);
                    }
                    if (this._updateAttList.Count != Constant.INT_IS_ZERO)
                    {
                        foreach (GoodsAttachmentEntity attFor in this._updateAttList)
                        {
                            this._attList.Add(attFor);
                        }
                        MyReturn = SystemModuleProxy.Service.UpdateAttachment(this._attList, this._goodsId);
                    }
                    else
                    {
                        MyReturn = SystemModuleProxy.Service.AddAttachment(this._attList, this._goodsId);
                    }
                }
                return MyReturn;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 保存按钮事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSave_Click(object sender, EventArgs e)
        {
            try
            {
                int RowsCount = UpLoadAttachmen(this._attachmenTable);
                if (RowsCount > Constant.INT_IS_ZERO)
                {
                    this._attachmenTable.Clear();
                    this._attList.Clear();
                    this._updateAttList.Clear();
                    DataSet dsAtt = GetOrderFixedAttachment();
                    BindDGVSize();
                    this.dgvAttachmentNow.DataSource = dsAtt.Tables[0];
                    this.txtUploadFile.Text = "";
                    MessageBox.Show(string.Format(Messages.MSG_CMN_I001, "附件", "保存"),
                            this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                else
                {
                    MessageBox.Show(string.Format(Messages.MSG_CMN_W001, "附件", "保存"),
                            this.Text, MessageBoxButtons.OK, MessageBoxIcon.Warning);
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 取消按钮事件 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        /// <summary>
        /// 单击单元格内容事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dgvAttachmentNow_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            try
            {
                if (this.dgvAttachmentNow.CurrentRow != null)
                {
                    // 点击下载
                    if (e.ColumnIndex == this.dgvAttachmentNow.CurrentRow.Cells["fileDownLoad"].ColumnIndex)
                    {
                        // 获取附件的保存路径
                        string fileSavePath = string.Empty;
                        sdlgFile.Filter = Constant.FILTER_DOC;
                        sdlgFile.FilterIndex = 0;
                        sdlgFile.RestoreDirectory = true;
                        sdlgFile.Title = "保存附件";
                        sdlgFile.FileName = this.dgvAttachmentNow.CurrentRow.Cells["FileName"].Value + "";
                        sdlgFile.AddExtension = true;
                        if (sdlgFile.ShowDialog() == DialogResult.OK)
                        {
                            fileSavePath = sdlgFile.FileName;
                        }
                        else
                        {
                            return;
                        }
                        // 下载附件
                        string downLoadPath = this.dgvAttachmentNow.CurrentRow.Cells["FilePath"].Value.ToString();
                        byte[] downLoadFile = CommonModuleProxy.Service.DownloadFile(downLoadPath);
                        // 若获取的文件流为null，提示文件不存在
                        if (downLoadFile != null)
                        {
                            // 保存附件
                            bool result = Utility.BinaryToFile(fileSavePath, downLoadFile);
                            // 提示保存结果
                            if (result == true)
                            {
                                MessageBox.Show("附件下载成功。",this.Text,MessageBoxButtons.OK,MessageBoxIcon.Information);
                            }
                            else
                            {
                                MessageBox.Show("附件下载失败。",this.Text,MessageBoxButtons.OK,MessageBoxIcon.Warning);
                            }
                        }
                        else
                        {
                            MessageBox.Show("该附件文件不存在。",this.Text,MessageBoxButtons.OK,MessageBoxIcon.Warning);
                        }
                    }
                    // 点击删除
                    if (e.ColumnIndex == this.dgvAttachmentNow.CurrentRow.Cells["deleteFile"].ColumnIndex)
                    {
                        if (this.dgvAttachmentNow.CurrentRow.Cells["AttachmentID"].Value != null &&
                            this.dgvAttachmentNow.CurrentRow.Cells["AttachmentID"].Value != DBNull.Value)
                        {
                            GoodsAttachmentEntity goodsAttEntity = new GoodsAttachmentEntity();
                            goodsAttEntity.AttachmentID = Convert.ToInt32(this.dgvAttachmentNow.CurrentRow.Cells["AttachmentID"].Value);
                            goodsAttEntity.ValueFlag = 0;
                            goodsAttEntity.IsUpdateAdd = 0;
                            this._updateAttList.Add(goodsAttEntity);
                        }
                        dgvAttachmentNow.Rows.RemoveAt(dgvAttachmentNow.CurrentRow.Index);
                    }
                }
            }
            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>
        /// 单击单元格内容事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dgvAttachment_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            try
            {
                if (e.ColumnIndex == this.dgvAttachment.CurrentRow.Cells["fileDeleteNew"].ColumnIndex)
                {
                    dgvAttachment.Rows.RemoveAt(dgvAttachment.CurrentRow.Index);
                }
                BindDGVSize();
            }
            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>
        /// 绑定数据表大小
        /// </summary>
        private void BindDGVSize()
        {
            if (this.dgvAttachment.Rows.Count == 0)
            {
                this.gbxNews.Visible = false;
                this.gbxNow.Height = 370;
            }
            else
            {
                this.gbxNews.Visible = true;
                this.gbxNow.Height = 185;
            }
        }

        #endregion
    }
}