using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using BLL;
using AspNet = System.Web.UI.WebControls;

namespace FineUIPro.Web.ZHGL.ProjectAccident
{
    public partial class AccidentStatistics : PageBase
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                ////权限按钮方法
                this.GetButtonPower();
                this.btnNew.OnClientClick = Window1.GetShowReference("AccidentStatisticsEdit.aspx") + "return false;";
                if (this.CurrUser != null && this.CurrUser.PageSize.HasValue)
                {
                    Grid1.PageSize = this.CurrUser.PageSize.Value;
                }
                this.ddlPageSize.SelectedValue = Grid1.PageSize.ToString();
                // 绑定表格
                BindGrid();
            }
        }

        /// <summary>
        /// 绑定数据
        /// </summary>
        private void BindGrid()
        {
            string strSql = @"SELECT S.AccidentStatisticsId,S.ProjectId,P.ProjectName,S.UnitId,u.UnitName,S.Person,S.CompileDate,S.AttachUrl,S.Treatment,"
                        + @"(CASE WHEN S.States = " + BLL.Const.State_0 + " OR S.States IS NULL THEN '待['+OperateUser.UserName+']提交' WHEN S.States =  " + BLL.Const.State_2 + " THEN '审核/审批完成' ELSE '待['+OperateUser.UserName+']办理' END) AS  FlowOperateName"
                        + @" FROM dbo.ProjectAccident_AccidentStatistics AS S"
                        + @" LEFT JOIN dbo.Base_Project AS P ON P.ProjectId=S.ProjectId"
                        + @" LEFT JOIN dbo.Base_Unit AS U ON U.UnitId=S.UnitId"
                        + @" LEFT JOIN Sys_FlowOperate AS FlowOperate ON S.AccidentStatisticsId = FlowOperate.DataId AND FlowOperate.IsClosed <> 1"
                        + @" LEFT JOIN Sys_User AS OperateUser ON FlowOperate.OperaterId = OperateUser.UserId WHERE 1= 1 ";

            List<SqlParameter> listStr = new List<SqlParameter>();
            if (!string.IsNullOrEmpty(this.txtName.Text.Trim()))
            {
                strSql += " AND (P.ProjectName LIKE @Name OR u.UnitName LIKE @Name OR S.Person LIKE @Name OR S.Treatment LIKE @Name)";
                listStr.Add(new SqlParameter("@Name", "%" + this.txtName.Text.Trim() + "%"));
            }
            SqlParameter[] parameter = listStr.ToArray();
            DataTable tb = SQLHelper.GetDataTableRunText(strSql, parameter);
            Grid1.RecordCount = tb.Rows.Count;
            //tb = GetFilteredTable(Grid1.FilteredData, tb);
            var table = this.GetPagedDataTable(Grid1, tb);

            Grid1.DataSource = table;
            Grid1.DataBind();
        }

        /// <summary>
        /// 分页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
        {
            BindGrid();
        }

        /// <summary>
        /// 排序
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_Sort(object sender, GridSortEventArgs e)
        {
            BindGrid();
        }

        /// <summary>
        /// 分页显示条数下拉框
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
        {
            Grid1.PageSize = Convert.ToInt32(ddlPageSize.SelectedValue);
            BindGrid();
        }

        /// <summary>
        /// 批量删除
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnDelete_Click(object sender, EventArgs e)
        {
            this.DeleteData();
        }
        /// <summary>
        /// 右键删除事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnMenuDelete_Click(object sender, EventArgs e)
        {
            this.DeleteData();
        }
        /// <summary>
        /// 右键编辑事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnMenuEdit_Click(object sender, EventArgs e)
        {
            this.EditData();
        }
        /// <summary>
        /// Grid行双击事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_RowDoubleClick(object sender, GridRowClickEventArgs e)
        {
            this.EditData();
        }

        /// <summary>
        /// 删除方法
        /// </summary>
        private void DeleteData()
        {
            if (Grid1.SelectedRowIndexArray.Length > 0)
            {
                foreach (int rowIndex in Grid1.SelectedRowIndexArray)
                {
                    string rowID = Grid1.DataKeys[rowIndex][0].ToString();
                    var getD = BLL.AccidentStatisticsService.GetAccidentStatisticsById(rowID);
                    if (getD != null)
                    {
                        BLL.LogService.AddSys_Log(this.CurrUser, null, getD.AccidentStatisticsId, BLL.Const.ServerAccidentStatisticsMenuId, BLL.Const.BtnDelete);

                        BLL.AccidentStatisticsService.DeleteAccidentStatisticsById(rowID);
                    }

                }
                BindGrid();
                ShowNotify("删除数据成功!");
            }
        }

        /// <summary>
        /// 关闭弹出窗
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Window1_Close(object sender, WindowCloseEventArgs e)
        {
            BindGrid();
        }

        /// <summary>
        /// 编辑数据方法
        /// </summary>
        private void EditData()
        {
            if (Grid1.SelectedRowIndexArray.Length == 0)
            {
                Alert.ShowInParent("请至少选择一条记录！", MessageBoxIcon.Warning);
                return;
            }
            string Id = Grid1.SelectedRowID;
            var accidentReport = BLL.AccidentStatisticsService.GetAccidentStatisticsById(Id);
            if (accidentReport != null)
            {
                if (this.btnMenuEdit.Hidden || accidentReport.States == BLL.Const.State_2)   ////双击事件 编辑权限有：编辑页面，无：查看页面 或者状态是完成时查看页面
                {
                    PageContext.RegisterStartupScript(Window1.GetShowReference(String.Format("AccidentStatisticsView.aspx?AccidentStatisticsId={0}", Id, "查看 - ")));
                }
                else
                {
                    PageContext.RegisterStartupScript(Window1.GetShowReference(String.Format("AccidentStatisticsEdit.aspx?AccidentStatisticsId={0}", Id, "编辑 - ")));
                }
            }
        }

        #region 查询
        /// <summary>
        /// 查询
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void TextBox_TextChanged(object sender, EventArgs e)
        {
            this.BindGrid();
        }
        #endregion

        #region 获取按钮权限
        /// <summary>
        /// 获取按钮权限
        /// </summary>
        /// <param name="button"></param>
        /// <returns></returns>
        private void GetButtonPower()
        {
            var buttonList = BLL.CommonService.GetAllButtonList(this.CurrUser.LoginProjectId, this.CurrUser.UserId, BLL.Const.ServerAccidentStatisticsMenuId);
            if (buttonList.Count() > 0)
            {
                if (buttonList.Contains(BLL.Const.BtnAdd))
                {
                    this.btnNew.Hidden = false;
                }
                if (buttonList.Contains(BLL.Const.BtnModify))
                {
                    this.btnMenuEdit.Hidden = false;
                }
                if (buttonList.Contains(BLL.Const.BtnDelete))
                {
                    this.btnMenuDelete.Hidden = false;
                }

            }
        }
        #endregion

        #region 导出按钮
        /// 导出按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnOut_Click(object sender, EventArgs e)
        {
            Response.ClearContent();
            string filename = Funs.GetNewFileName();
            Response.AddHeader("content-disposition", "attachment; filename=" + System.Web.HttpUtility.UrlEncode("事故处理" + filename, System.Text.Encoding.UTF8) + ".xls");
            Response.ContentType = "application/excel";
            Response.ContentEncoding = System.Text.Encoding.UTF8;
            Response.Write(GetGridTableHtml(Grid1));
            Response.End();

        }

        /// <summary>
        /// 导出方法
        /// </summary>
        /// <param name="grid"></param>
        /// <returns></returns>
        private string GetGridTableHtml(Grid grid)
        {
            StringBuilder sb = new StringBuilder();
            MultiHeaderTable mht = new MultiHeaderTable();
            mht.ResolveMultiHeaderTable(Grid1.Columns);
            sb.Append("<meta http-equiv=\"content-type\" content=\"application/excel; charset=UTF-8\"/>");
            sb.Append("<table cellspacing=\"0\" rules=\"all\" border=\"1\" style=\"border-collapse:collapse;\">");
            foreach (List<object[]> rows in mht.MultiTable)
            {
                sb.Append("<tr>");
                foreach (object[] cell in rows)
                {
                    int rowspan = Convert.ToInt32(cell[0]);
                    int colspan = Convert.ToInt32(cell[1]);
                    GridColumn column = cell[2] as GridColumn;

                    sb.AppendFormat("<th{0}{1}{2}>{3}</th>",
                       rowspan != 1 ? " rowspan=\"" + rowspan + "\"" : "",
                       colspan != 1 ? " colspan=\"" + colspan + "\"" : "",
                      colspan != 1 ? " style=\"text-align:center;\"" : "",
                        column.HeaderText);
                }
                sb.Append("</tr>");
            }
            foreach (GridRow row in grid.Rows)
            {
                sb.Append("<tr>");
                foreach (GridColumn column in mht.Columns)
                {
                    string html = row.Values[column.ColumnIndex].ToString();
                    if (column.ColumnID == "tfNumber")
                    {
                        html = (row.FindControl("lblNumber") as AspNet.Label).Text;
                    }
                    sb.AppendFormat("<td>{0}</td>", html);
                }
                sb.Append("</tr>");
            }
            sb.Append("</table>");
            return sb.ToString();
        }

        #region 多表头处理
        /// <summary>
        /// 多表头处理
        /// </summary>
        public class MultiHeaderTable
        {
            // 包含 rowspan，colspan 的多表头，方便生成 HTML 的 table 标签
            public List<List<object[]>> MultiTable = new List<List<object[]>>();
            // 最终渲染的列数组
            public List<GridColumn> Columns = new List<GridColumn>();
            public void ResolveMultiHeaderTable(GridColumnCollection columns)
            {
                List<object[]> row = new List<object[]>();
                foreach (GridColumn column in columns)
                {
                    object[] cell = new object[4];
                    cell[0] = 1;    // rowspan
                    cell[1] = 1;    // colspan
                    cell[2] = column;
                    cell[3] = null;
                    row.Add(cell);
                }
                ResolveMultiTable(row, 0);
                ResolveColumns(row);
            }

            private void ResolveColumns(List<object[]> row)
            {
                foreach (object[] cell in row)
                {
                    GroupField groupField = cell[2] as GroupField;
                    if (groupField != null && groupField.Columns.Count > 0)
                    {
                        List<object[]> subrow = new List<object[]>();
                        foreach (GridColumn column in groupField.Columns)
                        {
                            subrow.Add(new object[]
                           {
                               1,
                                1,
                               column,
                                groupField
                            });
                        }
                        ResolveColumns(subrow);
                    }
                    else
                    {
                        Columns.Add(cell[2] as GridColumn);
                    }
                }
            }

            private void ResolveMultiTable(List<object[]> row, int level)
            {
                List<object[]> nextrow = new List<object[]>();

                foreach (object[] cell in row)
                {
                    GroupField groupField = cell[2] as GroupField;
                    if (groupField != null && groupField.Columns.Count > 0)
                    {
                        // 如果当前列包含子列，则更改当前列的 colspan，以及增加父列（向上递归）的colspan
                        cell[1] = Convert.ToInt32(groupField.Columns.Count);
                        PlusColspan(level - 1, cell[3] as GridColumn, groupField.Columns.Count - 1);

                        foreach (GridColumn column in groupField.Columns)
                        {
                            nextrow.Add(new object[]
                           {
                               1,
                                1,
                                column,
                                groupField
                           });
                        }
                    }
                }
                MultiTable.Add(row);
                // 如果当前下一行，则增加上一行（向上递归）中没有子列的列的 rowspan
                if (nextrow.Count > 0)
                {
                    PlusRowspan(level);
                    ResolveMultiTable(nextrow, level + 1);
                }
            }

            private void PlusRowspan(int level)
            {
                if (level < 0)
                {
                    return;
                }
                foreach (object[] cells in MultiTable[level])
                {
                    GroupField groupField = cells[2] as GroupField;
                    if (groupField != null && groupField.Columns.Count > 0)
                    {
                        // ...
                    }
                    else
                    {
                        cells[0] = Convert.ToInt32(cells[0]) + 1;
                    }
                }
                PlusRowspan(level - 1);
            }

            private void PlusColspan(int level, GridColumn parent, int plusCount)
            {
                if (level < 0)
                {
                    return;
                }

                foreach (object[] cells in MultiTable[level])
                {
                    GridColumn column = cells[2] as GridColumn;
                    if (column == parent)
                    {
                        cells[1] = Convert.ToInt32(cells[1]) + plusCount;

                        PlusColspan(level - 1, cells[3] as GridColumn, plusCount);
                    }
                }
            }
        }
        #endregion
        #endregion
    }
}