DataSimulation/DataSimulation.Forms/UserControl/CtrlFlight.cs

using DataSimulation.Repostory.Model;
using DevExpress.Utils.Html;
using DevExpress.XtraEditors;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.Entity;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;
using DataSimulation.Repostory.EFContext;
using DataSimulation.Forms.EditForms;
using DataSimulation.Repostory;
using System.Collections;
using System.Threading.Tasks;

namespace DataSimulation.Forms.UserControl
{
    public partial class CtrlFlight : DevExpress.XtraEditors.XtraUserControl
    {
        List<SimulationInfo> list = new List<SimulationInfo>();
        public CtrlFlight()
        {
            InitializeComponent();
        }
        private async void CtrlLoad(object sender, EventArgs e)
        {
            try
            {
                gridFlight.Init<SimulationInfo>().UseSort().UseFilter().UseMultiSelect().UseRowNumber();
                gridFlight.DataSource = list;
                var simulationCache = await SimulationCache.GetAllAsync();
                list.AddRange(simulationCache);
                gridView1.RefreshData();
            }
            catch (Exception ex)
            {
                Serilog.Log.Error(ex, "查询航迹信息异常");
                DxHelper.MsgBoxHelper.ShowError("查询航迹信息异常");
            }
        }
        private void gridView1_PopupMenuShowing(object sender, DevExpress.XtraGrid.Views.Grid.PopupMenuShowingEventArgs e)
        {
            if (gridView1.GetSelectedRows().Any())
            {
                btnDel.Visibility = DevExpress.XtraBars.BarItemVisibility.Always;
                btnEdit.Visibility = DevExpress.XtraBars.BarItemVisibility.Always;
            }
            else
            {
                btnDel.Visibility = DevExpress.XtraBars.BarItemVisibility.Never;
                btnEdit.Visibility = DevExpress.XtraBars.BarItemVisibility.Never;
            }
            popupMenu1.ShowPopup(MousePosition);
        }

        private void btnAdd_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            try
            {
                FlightEditor frm = new FlightEditor(list);
                if (frm.ShowDialog() != DialogResult.OK) return;
                var addItem = frm.info;
                list.Add(addItem);
                gridView1.RefreshData();
            }
            catch (Exception ex)
            {
                Serilog.Log.Error(ex, "添加航迹信息异常");
                DxHelper.MsgBoxHelper.ShowError("添加航迹信息异常");
            }
        }
        private void btnEdit_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            try
            {
                //var editItem = gridView1.GetFocusedRow() as RefInfo;
                //RefEditor frm = new RefEditor(editItem);
                //if (frm.ShowDialog() != DialogResult.OK) return;
                //gridView1.RefreshData();
            }
            catch (Exception ex)
            {
                Serilog.Log.Error(ex, "编辑航迹信息异常");
                DxHelper.MsgBoxHelper.ShowError("编辑航迹信息异常");
            }
        }
        private async void btnDel_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            try
            {
                if (XtraMessageBox.Show("确认删除选择的航迹信息?", "确认", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes)
                {
                    return;
                }
                // this.btnImp.Enabled = false;
                await Task.Run(async () =>
                {
                    var ids = gridView1.GetSelectedRows();
                    List<SimulationInfo> list = new List<SimulationInfo>();
                    foreach (var idx in ids)
                    {
                        var item = gridView1.GetRow(idx) as SimulationInfo;
                        list.Add(item);
                    }
                    var groupData = list.GroupBy(p => p.CreateTime.ToString("yyyyMMdd"));
                    foreach (var item in groupData)
                    {
                        var dayIds = item.Select(p => p.ID).ToList();
                        using (SimulationPartContext db = SimulationPartContext.GetContext(item.First().CreateTime))
                        {
                            var delItems = await db.SimulationInfos.Where(p => dayIds.Contains(p.ID)).ToListAsync();
                            db.SimulationInfos.RemoveRange(delItems);
                            await db.SaveChangesAsync();
                        }

                    }

                });
                gridView1.DeleteSelectedRows();

            }
            catch (Exception ex)
            {
                Serilog.Log.Error(ex, "删除选中的航迹异常");
                DxHelper.MsgBoxHelper.ShowError("删除选中的航迹异常");
            }
            finally
            {
                //this.btnImp.Enabled = true;
            }
        }
        private void gridView1_CustomDrawEmptyForeground(object sender, DevExpress.XtraGrid.Views.Base.CustomDrawEventArgs e)
        {
            if (gridView1.RowCount == 0)
            {
                string txt = "右键添加航迹";
                var s = e.Appearance.CalcTextSize(e.Cache, txt, e.Bounds.Width).ToSize();
                var x = (e.Bounds.Width - s.Width) / 2;
                var y = (e.Bounds.Height - s.Height) / 2;
                e.Appearance.ForeColor = Color.Gray;
                e.Appearance.DrawString(e.Cache, txt, new Rectangle(x, y, s.Width, s.Height));
            }
        }


    }
}