C# DEVEXPRESS GridView header 컬럼 체크 박스 사용 (All checked)

데브 grid control 사용시 헤더에 체크박스 넣어서 전체선택/해제 하는게 없음

따로 구현해줘야함

 

    
    /// <summary>
    /// 그리드 컬럼 체커
    /// </summary>
    public class GridColumnChecker
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 마진
        /// </summary>
        private const int MARGIN = 4;

        /// <summary>
        /// 그리드 뷰
        /// </summary>
        private GridView gridView;

        /// <summary>
        /// 그리드 컬럼
        /// </summary>
        private GridColumn gridColumn;

        /// <summary>
        /// 체크 에디트
        /// </summary>
        private CheckEdit checkEdit;

        /// <summary>
        /// 체크 이벤트 발생 여부
        /// </summary>
        private bool firingCheckEvent = false;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - GridColumnChecker(gridView, gridColumn)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="gridView">그리드 뷰</param>
        /// <param name="gridColumn">그리드 컬럼</param>
        public GridColumnChecker(GridView gridView, GridColumn gridColumn)
        {
            this.gridView = gridView;

            this.gridColumn = gridColumn;

            this.checkEdit = new CheckEdit();

            this.checkEdit.Text = string.Empty;
            this.checkEdit.Width = 19;
            this.checkEdit.Height = 19;

            this.checkEdit.EditValueChanged += this.checkEdit_EditValueChanged;

            this.gridView.GridControl.Controls.Add(this.checkEdit);

            this.firingCheckEvent = true;

            this.checkEdit.EditValue = IsAllSelected();

            this.firingCheckEvent = false;

            this.gridView.CellValueChanged += this.gridView_CellValueChanged;
            this.gridView.RowCellClick += this.gridView_RowCellClick;
            this.gridView.CustomDrawColumnHeader += this.gridView_CustomDrawColumnHeader;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 그리드 뷰 컬럼 헤더 커스텀 그리기 처리하기 - gridView_CustomDrawColumnHeader(sender, e)

        /// <summary>
        /// 그리드 뷰 컬럼 헤더 커스텀 그리기 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void gridView_CustomDrawColumnHeader(object sender, ColumnHeaderCustomDrawEventArgs e)
        {
            if (e.Column == this.gridColumn)
            {
                e.Info.InnerElements.Clear();

                e.Painter.DrawObject(e.Info);

                this.checkEdit.Location = new Point(e.Bounds.Width - this.checkEdit.Width - MARGIN + e.Bounds.X, (e.Bounds.Height - this.checkEdit.Height) / 2 + e.Bounds.Y);

                e.Handled = true;
            }
        }

        #endregion
        #region 그리드 뷰 행/셀 클릭시 처리하기 - gridView_RowCellClick(sender, e)

        /// <summary>
        /// 그리드 뷰 행/셀 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void gridView_RowCellClick(object sender, RowCellClickEventArgs e)
        {
            if (e.Column == this.gridColumn)
            {
                InvertRowSelection(e.RowHandle);

                this.firingCheckEvent = true;

                this.checkEdit.EditValue = IsAllSelected();

                this.firingCheckEvent = false;
            }
        }

        #endregion
        #region 그리드 뷰 셀 값 변경시 처리하기 - gridView_CellValueChanged(sender, e)

        /// <summary>
        /// 그리드 뷰 셀 값 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void gridView_CellValueChanged(object sender, CellValueChangedEventArgs e)
        {
            if (!this.firingCheckEvent)
            {
                this.firingCheckEvent = true;

                this.checkEdit.EditValue = IsAllSelected();

                this.firingCheckEvent = false;
            }
        }

        #endregion
        #region 체크 에디트 편집 값 변경시 처리하기 - this._pCheckEdit_EditValueChanged(sender, e)

        /// <summary>
        /// 체크 에디트 편집 값 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void checkEdit_EditValueChanged(object sender, EventArgs e)
        {
            if (!this.firingCheckEvent)
            {
                this.firingCheckEvent = true;

                if (this.checkEdit.Checked)
                {
                    SelectAll();
                }
                else
                {
                    UnselectAll();
                }

                this.firingCheckEvent = false;
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 행 선택 반전하기 - InvertRowSelection(rowHandle)

        /// <summary>
        /// 행 선택 반전하기
        /// </summary>
        /// <param name="rowHandle">행 핸들</param>
        private void InvertRowSelection(int rowHandle)
        {
            if (this.gridView.IsDataRow(rowHandle))
            {
                bool isChecked = Convert.ToBoolean(this.gridView.GetRowCellValue(rowHandle, this.gridColumn));

                this.gridView.SetRowCellValue(rowHandle, this.gridColumn, !isChecked);
            }
        }

        #endregion
        #region 전체 선택하기 - SelectAll()

        /// <summary>
        /// 전체 선택하기
        /// </summary>
        private void SelectAll()
        {
            for (int i = 0; i < this.gridView.DataRowCount; i++)
            {
                this.gridView.SetRowCellValue(i, this.gridColumn, true);
            }
        }

        #endregion
        #region 전체 선택 취소하기 - UnselectAll()

        /// <summary>
        /// 전체 선택 취소하기
        /// </summary>
        private void UnselectAll()
        {
            for (int i = 0; i < this.gridView.DataRowCount; i++)
            {
                this.gridView.SetRowCellValue(i, this.gridColumn, false);
            }
        }

        #endregion
        #region 전체 선택 여부 조사하기 - IsAllSelected()

        /// <summary>
        /// 전체 선택 여부 조사하기
        /// </summary>
        /// <returns>전체 선택 여부</returns>
        private bool IsAllSelected()
        {
            if (this.gridView.DataRowCount == 0)
            {
                return false;
            }

            for (int i = 0; i < this.gridView.DataRowCount; i++)
            {
                bool isChecked = Convert.ToBoolean(this.gridView.GetRowCellValue(i, this.gridColumn));

                if (!isChecked)
                {
                    return false;
                }
            }

            return true;
        }

        #endregion
    }

 

 

참고 사이트 https://icodebroker.tistory.com/4898#google_vignette