C# DevExpress按回车键自动跳转单元格或新增记录(GridMovetor.cs)

        //给明细表绑定KeyDown事件,按回车自动跳格
        private void gvDetail_KeyDown(object sender, KeyEventArgs e)
        {
            //表格按回车键自动跳转到下一个可编辑列, 若是最后一列,自动新增一条记录
            GridMovetor.OnGridViewKeyDown(gvDetail, e);
        }

    /// <summary>
    /// GridView移动表格单元管理类, 最后版本:2023-11-13
    /// </summary>
    public class GridMovetor
    {

        /// <summary>
        /// 处理表格KeyDown事件。
        /// <para>1.按回车或Tab键自动跳到下一个栏位.</para>
        /// <para>2.处理在最后一条记录的最后一栏按回车键新增一条记录.</para>
        /// </summary>
        public static void OnGridViewKeyDown(object sender, KeyEventArgs e)
        {
            if (!(e.KeyCode == Keys.Enter || e.KeyCode == Keys.Tab)) return;

            if (sender is GridView)
            {
                GridView view = (GridView)sender;
                GridControl grid = view.GridControl;

                bool isLastCol = IsLastEditableColumn(view, view.FocusedColumn);
                bool isLastRow = view.FocusedRowHandle == view.RowCount - 1;

                //不是最后可编辑列, 则移至下一列
                if (isLastCol == false || isLastRow == false)
                {
                    MoveNextColumnOrRow(view, view.FocusedColumn, new KeyPressEventArgs((char)Keys.Enter));
                    e.Handled = true;
                    e.SuppressKeyPress = true;
                    return;//任务完成,不处理以下任何事务
                }

                //最后一条记录的最后一列,自动添加记录
                if (isLastRow && isLastCol && view.OptionsBehavior.Editable)
                {
                    if (view.GridControl.EmbeddedNavigator.Buttons.CustomButtons.Count > 0)
                    {
                        NavigatorButtonBase addButton = GetButtonByTag(view.GridControl.EmbeddedNavigator.Buttons, nameof(DetailButtons.Add));
                        if (addButton != null)
                        {
                            view.GridControl.EmbeddedNavigator.Buttons.DoClick(addButton);
                            view.FocusedColumn = view.VisibleColumns[0];//新增记录后,将焦点移动到第一列
                            e.Handled = true;
                            e.SuppressKeyPress = true;
                            return;//任务完成,不处理以下任何事务
                        }
                    }
                }
            }
        }

        /// <summary>
        /// 移动到下一个可编辑的列, 若是当前行的最后一列,则定位下一行的第一个可编辑栏位.
        /// </summary>
        /// <param name="view">GridView</param>
        /// <param name="activeControl">当前焦点的控件</param>
        /// <param name="e"></param>
        public static void MoveNextColumnOrRow(GridView view, GridColumn currentCol, KeyPressEventArgs e)
        {
            //若是当前行的最后一列,则定位下一行的第一个可编辑栏位.
            if (IsLastEditableColumn(view, currentCol))
            {
                if (view.FocusedRowHandle + 1 < view.RowCount)
                {
                    view.MoveNext();
                    view.FocusedColumn = view.VisibleColumns[0];
                    e.Handled = true;
                }
            }
            else
            {
                //在当前行定位下一个可编辑栏位.
                MoveNextColumn(view.FocusedColumn);
                e.Handled = true;
            }
        }

        /// <summary>
        /// 移动到下一个可编辑的列
        /// </summary>
        /// <param name="currentCol"></param>
        /// <param name="e"></param>
        public static void MoveNextColumn(GridColumn currentCol)
        {
            try
            {
                for (int i = currentCol.VisibleIndex + 1; i < currentCol.View.VisibleColumns.Count; i++)
                {
                    GridColumn colTemp = currentCol.View.VisibleColumns[i];
                    if (colTemp.OptionsColumn.AllowEdit && colTemp.OptionsColumn.ReadOnly == false)
                    {
                        currentCol.View.FocusedColumn = colTemp;
                        break;
                    }
                }
            }
            catch
            {

            }
        }

        /// <summary>
        /// 是否最后可编辑的列
        /// </summary>
        /// <param name="view">GridView</param>
        /// <param name="focusedColumn">当前焦点的列</param>
        /// <returns></returns>
        public static bool IsLastEditableColumn(GridView view, GridColumn focusedColumn)
        {
            int idx = view.VisibleColumns.IndexOf(focusedColumn);

            for (int i = view.VisibleColumns.Count - 1; i >= 0; i--)
            {
                GridColumn col = view.VisibleColumns[i];

                //忽略不可编辑Column
                if (!col.OptionsColumn.AllowEdit) continue;

                if (idx != i)
                    return false; //非最后一个可编辑Column
                else
                    return true;
            }
            return true;
        }

        /// <summary>
        /// 根据GridView内置有焦点的控件,获取父级GridView
        /// </summary>
        /// <param name="activeControl">当前焦点的控件</param>
        /// <returns></returns>
        private static GridView GetGridViewByFocusEditor(Control activeControl)
        {
            while (activeControl.Parent != null)
            {
                if (activeControl.Parent is GridControl)
                {
                    return (GridView)((GridControl)activeControl.Parent).FocusedView;
                }
                activeControl = activeControl.Parent;
            }
            return null;
        }

        /// <summary>
        /// 检查当前控件是否GridView内置有焦点的控件
        /// </summary>
        /// <param name="activeControl">当前焦点的控件</param>
        /// <returns></returns>
        public static bool IsGridViewEditorFocus(Control activeControl)
        {
            bool isEditor = activeControl is TextBoxBase;
            GridView view = GetGridViewByFocusEditor(activeControl);
            return isEditor && (view != null);
        }

        /// <summary>
        /// 按键盘向下键增加行KeyDownAddRow
        /// </summary>
        /// <param name="view"></param>
        /// <param name="e"></param>
        public static void OnGridViewAddNew(GridView view, KeyEventArgs e)
        {
            if (e.KeyValue == (char)Keys.Down && SystemSettings.Current.KeyDownAddRow && view.IsLastRow)
            {
                var column = view.FocusedColumn;
                NavigatorButtonBase addButton = GetButtonByTag(view.GridControl.EmbeddedNavigator.Buttons, nameof(DetailButtons.Add));
                if (addButton != null)
                {
                    view.GridControl.EmbeddedNavigator.Buttons.DoClick(addButton);
                    view.FocusedColumn = column;
                    e.Handled = true;
                }
            }
        }

        public static NavigatorButtonBase GetButtonByTag(ControlNavigatorButtons buttons, string tag)
        {
            foreach (NavigatorButtonBase v in buttons.CustomButtons)
            {
                if (v.Tag == tag) return v;
            }
            return null;
        }

    }