using System;

using DevExpress.ExpressApp;

using DevExpress.ExpressApp.Win.Editors;

using DevExpress.Utils.Menu;

using DevExpress.XtraGrid.Menu;

using DevExpress.XtraGrid.Views.Grid;

namespace CommonModule.Common.Controlers

{

        public  class ListViewFooterMenuViewController : ViewController

        {

            public ListViewFooterMenuViewController()

            {

                TargetViewType = ViewType.ListView;

            }

            GridListEditor _listEditor;

            protected override void OnViewControlsCreated()

            {

                base.OnViewControlsCreated();

                _listEditor = ((ListView)View).Editor as GridListEditor;

                if (_listEditor == null) return;

                _listEditor.GridView.PopupMenuShowing += GridView_PopupMenuShowing;

                _listEditor.GridView.OptionsView.ColumnAutoWidth = false;//啟用滾動條

            }

            void GridView_PopupMenuShowing(object sender, PopupMenuShowingEventArgs e)

            {

                if (e.MenuType != GridMenuType.Column) return;

                var menu = e.Menu as GridViewColumnMenu;

                if (menu == null) return;

                string menuCaption;

                if (_listEditor.GridView.OptionsView.ShowFooter)

                    menuCaption = "Hide Footer";

                else

                    menuCaption = "Show Footer";

                var item = new DXMenuCheckItem(menuCaption,_listEditor.GridView.OptionsView.ShowFooter, null, OnDrempelItemClick);

                menu.Items.Add(item);

            }

            private void OnDrempelItemClick(object sender, EventArgs e)

            {

                _listEditor.GridView.OptionsView.ShowFooter = !_listEditor.GridView.OptionsView.ShowFooter;

            }

            protected override void OnDeactivated()

            {

                base.OnDeactivated();

                if (_listEditor == null || _listEditor.GridView == null) return;

                _listEditor.GridView.PopupMenuShowing -= GridView_PopupMenuShowing;

            }

        }

}