using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Drawing;

namespace Pub_Class
{
    /// <summary>
    /// 单网格可编辑 （除单据和列表）
    /// </summary>
    public class ClsGridViewFun
    {
        public DataGridView ogrdMain = new DataGridView();  
        private string sAllowEdit;//可编辑列 
        public bool EditStatus;
        public bool DisplayNoCol;//是否显示 序号列
        public Int32 NoCol;//序号列
        public bool Changelock;
        public string KeyItem;
        public bool NotAllowADDRow;
        public bool NotAllowDELRow;
        public char chr = Convert.ToChar(",");
        
         
        //建立 可编辑列
        public void  BuildAllowEditCols(string[] Cols)
        {
            Int64 i;
            string tStr;
            tStr = "";
            for (i = 0; i < Cols.Length; i++)
            {
                if (i == 0)
                {
                    tStr = Cols[i];
                }
                else
                {
                    tStr = tStr + "," + Cols[i];
                }
            }
            sAllowEdit= tStr;
        }

       
        //列是否允许编辑
        public bool FindAllowEditCol(Int64 Col)
        {
            Int64 i;
            string[] s;
            if (sAllowEdit.Trim() == "")
                return false;
            s=sAllowEdit.Split(chr );
            for(i=0;i<=s.Length-1;i++)
            {
                if(Col==ClsPub.isInt(s[i]))
                    return true;
            }
            return false;
        }

        //增行
        public void Sub_AddRow()
        { 
            if (ogrdMain.CurrentRow==null  )
            {
                ogrdMain.Rows.Add();
                return;
            }
            if (GetNullRows() < 1)
            { 
                ogrdMain.Rows.Insert(ogrdMain.CurrentRow.Index,1);
                if (ogrdMain.CurrentRow.Index != ogrdMain.RowCount-1)
                {
                    DisplayCurRow(); 
                    RefreshNoCol();
                }
            }
        }

        //获得 NULL 行
        public Int64 GetNullRows()
        {
            Int32 r, c;
            Int32 lngRows;
            lngRows = 0;
            for (r = 0; r < ogrdMain.RowCount; r++)
            {
                if (ClsPub.isStrNull(ogrdMain.Rows[r].Cells[0].Value) == "*")
                {
                    if (DisplayNoCol == true)
                    {
                        for (c = NoCol + 1; c < ogrdMain.ColumnCount; c++)
                        {
                            if (ClsPub.isStrNull(ogrdMain.Rows[r].Cells[c].Value) != "")
                            {
                                break;
                            }
                        }
                    }
                    else
                    {
                        for (c = 1; c < ogrdMain.ColumnCount; c++)
                        {
                            if (ClsPub.isStrNull(ogrdMain.Rows[r].Cells[c].Value) != "")
                            {
                                break;
                            }
                        }
                    }
                    if (c == ogrdMain.ColumnCount)
                        lngRows = lngRows + 1;
                }
            }
            return lngRows;
        }

        //删除行
        public void Sub_DelRow()
        {
            int Scqwghz; //原选中行
            int Scqwglz; //原选中列
      
            Scqwghz = ogrdMain.CurrentRow.Index;
            Scqwglz = ogrdMain.CurrentCell.ColumnIndex; 
            DisplayCurRow();
            Changelock = true; 
            Changelock = false;
            
            ogrdMain.CurrentRow.DefaultCellStyle.BackColor = Color.Red;
            if (MessageBox.Show( "确定要删除当前记录？", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.Cancel)
            {
                ogrdMain.CurrentRow.DefaultCellStyle.BackColor = Color.White;
                Changelock = true; 
                Changelock = false;
                return;
            }
            ogrdMain.Rows.RemoveAt(ogrdMain.CurrentRow.Index);
            ogrdMain.Rows.Add();
            Changelock = true; 
            Changelock = false;
            RefreshNoCol(); 
            EditStatus = false;
        }

        
        //显示当前行
        public void DisplayCurRow()
        {
            Int64 Toprowte;
            Toprowte = 0;
        }

        
        //刷新行号
        public void RefreshNoCol()
        {
            int  i, m; 
            i = 0;
            m = 0;
            for (i = 0; i < ogrdMain.RowCount; i++)
            {
                m = m + 1;
                ogrdMain.Rows[i].Cells[NoCol].Value = m.ToString().Trim();
            }
            ogrdMain.Columns[NoCol].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
        }
        //
    }
}