using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using DevExpress.XtraEditors.Repository;
using System.Drawing;
using System.Windows.Forms;
using System.Data;

namespace WMS.Common
{
   public class DevControlHelper
    {
        #region 画表头的CheckBox
        public static void DrawCheckBox(DevExpress.XtraGrid.Views.Grid.ColumnHeaderCustomDrawEventArgs e, bool chk)
        {
            RepositoryItemCheckEdit repositoryCheck = e.Column.ColumnEdit as RepositoryItemCheckEdit;
            if (repositoryCheck != null)
            {
                Graphics g = e.Graphics;
                Rectangle r = e.Bounds;

                DevExpress.XtraEditors.ViewInfo.CheckEditViewInfo info;
                DevExpress.XtraEditors.Drawing.CheckEditPainter painter;
                DevExpress.XtraEditors.Drawing.ControlGraphicsInfoArgs args;
                info = repositoryCheck.CreateViewInfo() as DevExpress.XtraEditors.ViewInfo.CheckEditViewInfo;

                painter = repositoryCheck.CreatePainter() as DevExpress.XtraEditors.Drawing.CheckEditPainter;
                info.EditValue = chk;
                info.Bounds = r;
                info.CalcViewInfo(g);
                args = new DevExpress.XtraEditors.Drawing.ControlGraphicsInfoArgs(info, new DevExpress.Utils.Drawing.GraphicsCache(g), r);
                painter.Draw(args);
                args.Cache.Dispose();
            }
        }
        #endregion

        #region 多选功能
        public static bool ClickGridCheckBox(DevExpress.XtraGrid.Views.Grid.GridView gridView, string fieldName, bool currentStatus)
        {
            bool result = false;
            if (gridView != null)
            {
                gridView.ClearSorting();//禁止排序
                gridView.PostEditor();
                DevExpress.XtraGrid.Views.Grid.ViewInfo.GridHitInfo info;
                Point pt = gridView.GridControl.PointToClient(Control.MousePosition);
                info = gridView.CalcHitInfo(pt);//鼠标位置(点) 表格热区
                //info.InColumn && info.Column != null && 
                if (info.InColumn && info.Column != null && info.Column.FieldName == fieldName)//判断是不是Check列
                {
                    for (int i = 0; i < gridView.RowCount; i++)
                    {
                        gridView.SetRowCellValue(i, fieldName, !currentStatus);//对check列进行复制操作
                    }
                    return true;
                }
            }
            return result;
        }
        public static void ClickCheckBox(DevExpress.XtraGrid.Views.Grid.GridView gridView, string fieldName, bool currentStatus)
        {
            if (gridView != null)
            {
                int rowIndex = gridView.FocusedRowHandle;
                gridView.SetRowCellValue(rowIndex, fieldName, !currentStatus);//对check列进行复制操作
            }
        }
        #endregion

        #region 单选的实现
        public static void ClickGridRadioCheck(DevExpress.XtraGrid.Views.Grid.GridView gridView, string fieldName)
        {
            Boolean result = false;
            if (gridView != null)
            {
                gridView.ClearSorting();//禁止排序
                gridView.PostEditor();
                int curRowID = gridView.FocusedRowHandle;
                DataRow dr = gridView.GetFocusedDataRow();
                object isChecked = dr[fieldName];
                if (isChecked != DBNull.Value)//数据中的空
                {
                    result = Convert.ToBoolean(isChecked);
                }
                gridView.SetRowCellValue(curRowID, fieldName, !result);//对check列进行赋值操作
                for (int i = 0; i < gridView.RowCount; i++)
                {
                    //对check列进行赋值操作 false
                    if (i != curRowID)
                    {
                        gridView.SetRowCellValue(i, fieldName, false);
                    }
                }
            }
        }
        #endregion
    }
}