using DevExpress.Utils.Behaviors;
using DevExpress.Utils.DragDrop;

namespace Yw.WinFrmUI
{
    /// <summary>
    /// GridView的拓展类
    /// </summary>
    public static class GridViewExtensions
    {
        #region 默认

        /// <summary>
        /// 普通视图设置
        /// </summary>
        public static void SetNormalView(this GridView grid, int height = 30)
        {
            grid.OptionsFind.FindNullPrompt = "检索";
            grid.OptionsSelection.MultiSelect = false;
            grid.OptionsMenu.EnableColumnMenu = true;
            grid.OptionsSelection.EnableAppearanceFocusedCell = false;
            grid.Appearance.HeaderPanel.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.Appearance.Row.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFullFocus;
            grid.OptionsCustomization.AllowFilter = true;
            grid.OptionsCustomization.AllowSort = true;
            grid.OptionsCustomization.AllowQuickHideColumns = false;
            grid.OptionsView.ShowAutoFilterRow = false;
            grid.OptionsView.ShowFilterPanelMode = DevExpress.XtraGrid.Views.Base.ShowFilterPanelMode.Never;
            grid.OptionsView.ShowIndicator = true;
            grid.OptionsView.NewItemRowPosition = NewItemRowPosition.None;
            grid.OptionsView.ShowGroupPanel = false;
            grid.OptionsView.ShowDetailButtons = false;
            grid.OptionsClipboard.AllowCopy = DefaultBoolean.True;
            grid.OptionsBehavior.Editable = false;
            grid.OptionsBehavior.ReadOnly = true;




            grid.OptionsView.EnableAppearanceOddRow = true;   // 使能 // 和和上面绑定 同时使用有效
            grid.Appearance.EvenRow.BackColor = Color.FromArgb(244, 248, 251);  // 设置偶数行颜色
            grid.OptionsView.EnableAppearanceEvenRow = true;
            grid.Appearance.OddRow.BackColor = Color.White; // 设置偶数行颜色

            grid.RowHeight = height;
            //grid.ColumnPanelRowHeight = height;
            //grid.GroupRowHeight = height;
            grid.BestFitColumns();
        }

        /// <summary>
        /// 限制功能的视图
        /// </summary>
        public static void SetLimitView(this GridView grid, int height = 30)
        {
            grid.OptionsFind.FindNullPrompt = "检索";
            grid.OptionsSelection.MultiSelect = false;
            grid.OptionsMenu.EnableColumnMenu = false;
            grid.OptionsSelection.EnableAppearanceFocusedCell = false;
            grid.Appearance.HeaderPanel.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.Appearance.Row.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFullFocus;
            grid.OptionsCustomization.AllowFilter = false;
            grid.OptionsCustomization.AllowSort = false;
            grid.OptionsCustomization.AllowQuickHideColumns = false;
            grid.OptionsView.ShowAutoFilterRow = false;
            grid.OptionsView.ShowFilterPanelMode = DevExpress.XtraGrid.Views.Base.ShowFilterPanelMode.Never;
            grid.OptionsView.NewItemRowPosition = NewItemRowPosition.None;
            grid.OptionsView.ShowGroupPanel = false;
            grid.OptionsClipboard.AllowCopy = DefaultBoolean.True;
            grid.OptionsBehavior.Editable = false;
            grid.OptionsBehavior.ReadOnly = true;

            grid.OptionsView.EnableAppearanceOddRow = true;   // 使能 // 和和上面绑定 同时使用有效
            grid.Appearance.EvenRow.BackColor = Color.FromArgb(244, 248, 251);  // 设置偶数行颜色
            grid.OptionsView.EnableAppearanceEvenRow = true;
            grid.Appearance.OddRow.BackColor = Color.White; // 设置偶数行颜色


            grid.RowHeight = height;
            grid.ColumnPanelRowHeight = height;
            grid.GroupRowHeight = height;
            grid.BestFitColumns();
        }

        /// <summary>
        /// 普通编辑视图设置
        /// </summary>
        public static void SetNormalEditView(this GridView grid, int height = 30)
        {
            grid.OptionsFind.FindNullPrompt = "检索";
            grid.OptionsSelection.MultiSelect = false;
            grid.OptionsMenu.EnableColumnMenu = true;

            grid.OptionsSelection.EnableAppearanceFocusedCell = false;
            grid.Appearance.HeaderPanel.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.Appearance.Row.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFullFocus;
            grid.OptionsCustomization.AllowFilter = true;
            grid.OptionsCustomization.AllowSort = true;
            grid.OptionsCustomization.AllowQuickHideColumns = false;
            grid.OptionsView.ShowAutoFilterRow = false;
            grid.OptionsView.ShowFilterPanelMode = DevExpress.XtraGrid.Views.Base.ShowFilterPanelMode.Never;
            grid.OptionsView.NewItemRowPosition = NewItemRowPosition.None;
            grid.OptionsView.ShowGroupPanel = false;
            grid.OptionsClipboard.AllowCopy = DefaultBoolean.True;
            grid.OptionsBehavior.Editable = true;
            grid.OptionsBehavior.ReadOnly = false;

            grid.OptionsView.EnableAppearanceOddRow = true;
            grid.OptionsView.EnableAppearanceEvenRow = true;
            grid.Appearance.OddRow.BackColor = Color.White;
            grid.Appearance.EvenRow.BackColor = Color.FromArgb(244, 248, 251);


            grid.RowHeight = height;
            grid.ColumnPanelRowHeight = height;
            grid.GroupRowHeight = height;
            grid.BestFitColumns();
        }

        /// <summary>
        /// 限制功能的编辑视图
        /// </summary>
        public static void SetLimitEditView(this GridView grid, int height = 30)
        {
            grid.OptionsFind.FindNullPrompt = "检索";
            grid.OptionsSelection.MultiSelect = false;
            grid.OptionsMenu.EnableColumnMenu = false;

            grid.OptionsSelection.EnableAppearanceFocusedCell = false;
            grid.Appearance.HeaderPanel.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.Appearance.Row.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFullFocus;
            grid.OptionsCustomization.AllowFilter = false;
            grid.OptionsCustomization.AllowSort = false;
            grid.OptionsCustomization.AllowQuickHideColumns = false;
            grid.OptionsView.ShowAutoFilterRow = false;
            grid.OptionsView.ShowFilterPanelMode = DevExpress.XtraGrid.Views.Base.ShowFilterPanelMode.Never;
            grid.OptionsView.NewItemRowPosition = NewItemRowPosition.None;
            grid.OptionsView.ShowGroupPanel = false;
            grid.OptionsClipboard.AllowCopy = DefaultBoolean.True;
            grid.OptionsBehavior.Editable = true;
            grid.OptionsBehavior.ReadOnly = false;

            grid.OptionsView.EnableAppearanceOddRow = true;   // 使能 // 和和上面绑定 同时使用有效
            grid.Appearance.EvenRow.BackColor = Color.FromArgb(244, 248, 251);  // 设置偶数行颜色
            grid.OptionsView.EnableAppearanceEvenRow = true;
            grid.Appearance.OddRow.BackColor = Color.White; // 设置偶数行颜色


            grid.RowHeight = height;
            grid.ColumnPanelRowHeight = height;
            grid.GroupRowHeight = height;
            grid.BestFitColumns();
        }

        /// <summary>
        /// 绑定普通编辑视图设置
        /// </summary>
        public static void SetBindingNormalEditView(this GridView grid, int height = 30)
        {
            grid.OptionsFind.FindNullPrompt = "检索";
            grid.OptionsSelection.MultiSelect = false;
            grid.OptionsMenu.EnableColumnMenu = true;

            grid.OptionsSelection.EnableAppearanceFocusedCell = false;
            grid.Appearance.HeaderPanel.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.Appearance.Row.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFullFocus;
            grid.OptionsCustomization.AllowFilter = true;
            grid.OptionsCustomization.AllowSort = true;
            grid.OptionsCustomization.AllowQuickHideColumns = false;
            grid.OptionsView.ShowAutoFilterRow = false;
            grid.OptionsView.ShowFilterPanelMode = DevExpress.XtraGrid.Views.Base.ShowFilterPanelMode.Never;
            grid.OptionsView.NewItemRowPosition = NewItemRowPosition.Bottom;
            grid.OptionsView.ShowGroupPanel = false;
            grid.OptionsClipboard.AllowCopy = DefaultBoolean.True;
            grid.OptionsBehavior.Editable = true;
            grid.OptionsBehavior.ReadOnly = false;

            grid.RowHeight = height;
            grid.ColumnPanelRowHeight = height;
            grid.GroupRowHeight = height;
            grid.BestFitColumns();
        }

        /// <summary>
        /// 绑定限制编辑视图设置
        /// </summary>
        public static void SetBindingLimitEditView(this GridView grid, int height = 30)
        {
            grid.OptionsFind.FindNullPrompt = "检索";
            grid.OptionsSelection.MultiSelect = false;
            grid.OptionsMenu.EnableColumnMenu = false;
            grid.OptionsSelection.EnableAppearanceFocusedCell = false;
            grid.Appearance.HeaderPanel.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.Appearance.Row.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFullFocus;
            grid.OptionsCustomization.AllowFilter = false;
            grid.OptionsCustomization.AllowSort = false;
            grid.OptionsCustomization.AllowQuickHideColumns = false;
            grid.OptionsView.ShowAutoFilterRow = false;
            grid.OptionsView.ShowFilterPanelMode = DevExpress.XtraGrid.Views.Base.ShowFilterPanelMode.Never;
            grid.OptionsView.NewItemRowPosition = NewItemRowPosition.Bottom;
            grid.OptionsView.ShowGroupPanel = false;
            grid.OptionsClipboard.AllowCopy = DefaultBoolean.True;
            grid.OptionsBehavior.Editable = true;
            grid.OptionsBehavior.ReadOnly = false;

            grid.RowHeight = height;
            grid.ColumnPanelRowHeight = height;
            grid.GroupRowHeight = height;
            grid.BestFitColumns();


        }

        /// <summary>
        /// 显示ViewCaption
        /// </summary>
        public static void ShowViewCaption(this GridView grid, int height = 30)
        {
            grid.OptionsView.ShowViewCaption = true;
            grid.ViewCaptionHeight = height;
            grid.Appearance.ViewCaption.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Near;
        }

        /// <summary>
        /// GridView注册显示行标
        /// </summary>
        public static void RegistCustomDrawRowIndicator(this GridView grid, int IndicatorWidth = 35)
        {
            grid.OptionsView.ShowIndicator = true;
            grid.IndicatorWidth = IndicatorWidth;
            grid.CustomDrawRowIndicator += (sender, e) =>
            {
                if (e.Info.IsRowIndicator && e.RowHandle >= 0)
                {
                    e.Info.DisplayText = (e.RowHandle + 1).ToString().Trim();
                    e.Appearance.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Far;
                }
            };
        }

        /// <summary>
        /// 注册自定义组名
        /// </summary>
        public static void RegistCustomGroupRow(this GridView grid, GridColumn col, Func<object, string> func)
        {
            grid.CustomDrawGroupRow += (sender, e) =>
            {
                var gridGroupRowInfo = e.Info as GridGroupRowInfo;
                if (gridGroupRowInfo.Column == col)
                {
                    var index = grid.GetDataRowHandleByGroupRowHandle(e.RowHandle);
                    var row = grid.GetRow(index);
                    if (row == null)
                        return;
                    gridGroupRowInfo.GroupText = func(row);
                }
            };
        }

        /// <summary>
        /// 自定义单元格样式
        /// </summary>
        public static void RegistCustomDrawCell(this GridView grid, System.Drawing.Color? bgColor = null, System.Drawing.Color? foreColor = null)
        {
            if (bgColor == null)
                bgColor = System.Drawing.Color.FromArgb(0, 122, 204);
            if (foreColor == null)
                foreColor = System.Drawing.Color.White;
            grid.CustomDrawCell += (sender, e) =>
            {
                if (e.RowHandle == (sender as GridView).FocusedRowHandle)
                {
                    var cell = e.Cell as DevExpress.XtraGrid.Views.Grid.ViewInfo.GridCellInfo;
                    if (!cell.IsMerged)
                    {
                        e.Appearance.BackColor = bgColor.Value;
                        e.Appearance.ForeColor = foreColor.Value;
                    }
                }
            };
        }

        /// <summary>
        /// 获取当前数据行
        /// </summary>
        public static T GetCurrentViewModel<T>(this GridView grid, List<T> source) where T : class
        {
            if (source == null)
                return default;
            if (source.Count < 1)
            {
                return default;
            }
            var row = grid.GetFocusedRow() as T;
            if (row == null)
            {
                return null;
            }
            return row;
        }

        /// <summary>
        /// 获取当前数据行
        /// </summary>
        public static T GetCurrentViewModel<T>(this GridView grid, BindingList<T> source) where T : class
        {
            if (source == null)
                return default;
            if (source.Count < 1)
            {
                return default;
            }
            var row = grid.GetFocusedRow() as T;
            if (row == null)
            {
                return null;
            }
            return row;
        }

        #endregion

        /// <summary>
        /// 绑定按列分组视图设置 Nsx_20210729
        /// </summary>
        public static void SetGroupView(this GridView grid, GridColumn col, int height = 30)
        {
            grid.GroupCount = 1;
            grid.RowHeight = height;
            grid.GroupRowHeight = height;
            grid.ColumnPanelRowHeight = height;
            grid.OptionsBehavior.ReadOnly = true;
            grid.OptionsBehavior.Editable = false;
            grid.OptionsView.ShowDetailButtons = false;
            grid.OptionsCustomization.AllowQuickHideColumns = false;
            grid.OptionsView.ShowAutoFilterRow = false;
            grid.OptionsView.NewItemRowPosition = NewItemRowPosition.None;
            grid.OptionsClipboard.AllowCopy = DefaultBoolean.True;
            grid.OptionsSelection.EnableAppearanceFocusedCell = false;
            grid.BorderStyle = DevExpress.XtraEditors.Controls.BorderStyles.NoBorder;
            grid.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFullFocus;
            grid.Appearance.Row.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.Appearance.HeaderPanel.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.OptionsBehavior.AllowFixedGroups = DevExpress.Utils.DefaultBoolean.True;
            grid.OptionsBehavior.AllowPixelScrolling = DevExpress.Utils.DefaultBoolean.True;
            grid.OptionsClipboard.ClipboardMode = DevExpress.Export.ClipboardMode.Formatted;
            grid.OptionsBehavior.AutoExpandAllGroups = true;
            grid.OptionsFind.AlwaysVisible = false;
            grid.OptionsPrint.PrintHorzLines = false;
            grid.OptionsPrint.PrintPreview = true;
            grid.OptionsPrint.PrintVertLines = false;
            grid.OptionsView.GroupDrawMode = DevExpress.XtraGrid.Views.Grid.GroupDrawMode.Office;
            grid.OptionsView.ShowGroupedColumns = true;
            grid.OptionsView.ShowGroupPanel = false;
            grid.OptionsView.ShowIndicator = false;
            grid.OptionsView.ShowVerticalLines = DevExpress.Utils.DefaultBoolean.False;
            grid.PreviewFieldName = "PlainText";
            grid.SortInfo.AddRange(new DevExpress.XtraGrid.Columns.GridColumnSortInfo[] {
            new DevExpress.XtraGrid.Columns.GridColumnSortInfo(col, DevExpress.Data.ColumnSortOrder.None)});
            grid.BestFitColumns();
        }


        /// <summary>
        /// 普通编辑视图设置
        /// </summary>
        public static void SetDefaultEditView(this GridView grid, int height = 30)
        {
            grid.OptionsFind.FindNullPrompt = "检索";
            grid.OptionsSelection.MultiSelect = false;
            grid.OptionsMenu.EnableColumnMenu = true;

            grid.OptionsSelection.EnableAppearanceFocusedCell = false;
            grid.Appearance.HeaderPanel.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.Appearance.Row.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
            grid.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFullFocus;
            grid.OptionsCustomization.AllowFilter = true;
            grid.OptionsCustomization.AllowSort = true;
            grid.OptionsCustomization.AllowQuickHideColumns = false;
            grid.OptionsView.ShowAutoFilterRow = false;
            grid.OptionsView.ShowFilterPanelMode = DevExpress.XtraGrid.Views.Base.ShowFilterPanelMode.Never;
            grid.OptionsView.NewItemRowPosition = NewItemRowPosition.None;
            grid.OptionsView.ShowGroupPanel = false;
            grid.OptionsClipboard.AllowCopy = DefaultBoolean.True;
            grid.OptionsBehavior.Editable = true;
            grid.OptionsBehavior.ReadOnly = false;

            grid.OptionsView.EnableAppearanceOddRow = true;
            grid.OptionsView.EnableAppearanceEvenRow = true;
            grid.Appearance.OddRow.BackColor = Color.White;
            grid.Appearance.EvenRow.BackColor = Color.FromArgb(244, 248, 251);


            grid.RowHeight = height;
            grid.ColumnPanelRowHeight = height;
            grid.GroupRowHeight = height;
            grid.BestFitColumns();
        }


        /// <summary>
        /// 设置拖拽状态下的普通视图
        /// </summary> 
        public static void SetDragNormalView<t>(this GridView rhs, int height = 30) where t : class
        {
            rhs.SetNormalView(height);

            GridHitInfo downHitInfo = null;
            rhs.MouseDown += (sender, e) =>
            {
                var view = sender as GridView;
                downHitInfo = null;
                if (view != null)
                {
                    GridHitInfo hitInfo = view.CalcHitInfo(new Point(e.X, e.Y));
                    if (e.Button == MouseButtons.Left && hitInfo.InRow && hitInfo.HitTest != GridHitTest.RowIndicator)
                    {
                        downHitInfo = hitInfo;
                    }
                }
            };


            rhs.MouseMove += (sender, e) =>
            {
                var view = sender as GridView;
                if (e.Button == MouseButtons.Left && downHitInfo != null)
                {
                    Size dragSize = SystemInformation.DragSize;
                    Rectangle dragRect = new Rectangle(new Point(downHitInfo.HitPoint.X - dragSize.Width / 2, downHitInfo.HitPoint.Y - dragSize.Height / 2), dragSize);

                    if (!dragRect.Contains(new Point(e.X, e.Y)))
                    {
                        if (view != null)
                        {
                            var dragVm = view.GetSelectedRows().Select(rownum => view.GetRow(rownum) as t).FirstOrDefault();
                            if (dragVm != null)
                            {
                                view.GridControl.DoDragDrop(dragVm, DragDropEffects.Move);
                            }
                        }
                        downHitInfo = null;
                        DevExpress.Utils.DXMouseEventArgs.GetMouseArgs(e).Handled = true;
                    }
                }
            };
        }

        #region 拖拽

        /// <summary>
        /// 附加拖拽行为
        /// </summary>
        public static void AttachDragBehavior(this GridView grid, BehaviorManager bm)
        {
            bm.Attach<DragDropBehavior>(grid, behavior =>
            {
                behavior.BeginDragDrop += (sender, e) =>
                {

                };
                behavior.DragDrop += (sender, e) =>
                {

                };
                behavior.EndDragDrop += (sender, e) =>
                {

                };
            });
        }

        /// <summary>
        /// 解除拖拽行为
        /// </summary>
        public static void DetachDragBehavior(this GridView grid, BehaviorManager bm)
        {
            bm.Detach<DragDropBehavior>(grid);
        }

        #endregion



    }
}