XdCxRhDW/XdCxRhDW.App/UserControl/CtrlTarget.cs

using DevExpress.Utils.About;
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.Text;
using System.Threading.Tasks;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Forms;
using XdCxRhDW.App.EditForms;
using XdCxRhDW.Entity;
using XdCxRhDW.Repostory;

namespace XdCxRhDW.App.UserControl
{
    public partial class CtrlTarget : DevExpress.XtraEditors.XtraUserControl
    {
        List<TargetInfo> list = new List<TargetInfo>();
        public CtrlTarget()
        {
            InitializeComponent();
        }
        private async void CtrlSat_Load(object sender, EventArgs e)
        {
            try
            {
                gridTar.UseDefault(list).UseMultiSelect().UseRowNumber();
                using (RHDWContext db = new RHDWContext())
                {
                    var res = db.TargetInfos.OrderBy(p => p.TargetName).OrderBy(p => p.TargetName);
                    list.AddRange(await res.ToListAsync());
                }
                gridView1.RefreshData();
            }
            catch (Exception ex)
            {
                Serilog.Log.Error(ex, "查询目标信息异常");
                DxHelper.MsgBoxHelper.ShowError("查询目标信息异常");
            }
        }
        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 async void btnAdd_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            try
            {
                TargetEditor frm = new TargetEditor();
                if (frm.ShowDialog() != DialogResult.OK) return;
                var addItem = frm.info;
                using (RHDWContext db = new RHDWContext())
                {
                    db.TargetInfos.Add(addItem);
                    await db.SaveChangesAsync();
                }
                list.Add(addItem);
                gridView1.RefreshData();
            }
            catch (Exception ex)
            {
                Serilog.Log.Error(ex, "添加目标信息异常");
                DxHelper.MsgBoxHelper.ShowError("添加目标信息异常");
            }
        }
        private async void btnEdit_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            try
            {
                var editItem = gridView1.GetFocusedRow() as TargetInfo;
                TargetEditor frm = new TargetEditor(editItem);
                if (frm.ShowDialog() != DialogResult.OK) return;
                editItem = frm.info;
                using (RHDWContext db = new RHDWContext())
                {
                    var find = await db.TargetInfos.Where(p => p.ID == editItem.ID).FirstOrDefaultAsync();
                    find.TargetName = editItem.TargetName;
                    find.TargeColor = editItem.TargeColor;
                    await db.SaveChangesAsync();
                }
                gridView1.RefreshData();
            }
            catch (Exception ex)
            {
                Serilog.Log.Error(ex, "保存目标信息异常");
                DxHelper.MsgBoxHelper.ShowError("保存目标信息异常");
            }
        }
        private async void btnDel_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            try
            {
                if (XtraMessageBox.Show("确认删除选择得目标信息?", "确认", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes)
                {
                    return;
                }
                var ids = gridView1.GetSelectedRows();

                using (RHDWContext db = new RHDWContext())
                {
                    foreach (var id in ids)
                    {
                        var item = gridView1.GetRow(id) as TargetInfo;

                        var delItem = await db.TargetInfos.Where(p => p.ID == item.ID).FirstOrDefaultAsync();
                        if (delItem != null)
                            db.TargetInfos.Remove(delItem);
                    }
                    await db.SaveChangesAsync();
                }
                gridView1.DeleteSelectedRows();
            }
            catch (Exception ex)
            {
                Serilog.Log.Error(ex, "删除目标信息异常");
                DxHelper.MsgBoxHelper.ShowError("删除目标信息异常");
            }
        }
        private void gridView1_CustomDrawEmptyForeground(object sender, DevExpress.XtraGrid.Views.Base.CustomDrawEventArgs e)
        {
            if (gridView1.RowCount == 0)
            {
                string txt = "右键添加目标";
                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));
            }
        }

        private void gridView1_CustomColumnDisplayText(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDisplayTextEventArgs e)
        {
            if (e.Column.FieldName == nameof(TargetInfo.TargeColor))
            {
                //e.Column.col = $"{(long)e.Value / 1e6}MHz";
            }
        }

        private void gridView1_RowCellStyle(object sender, DevExpress.XtraGrid.Views.Grid.RowCellStyleEventArgs e)
        {
            if (e.CellValue == null) return;
            if (e.Column.FieldName == nameof(TargetInfo.TargeColor))
            {
                var clolrRes = ColorTranslator.FromHtml(e.CellValue.ToString());
                e.Appearance.BackColor = clolrRes;
            }
        }
    }
}