110 lines
3.8 KiB
C#
110 lines
3.8 KiB
C#
using InSituLaboratory.Entities;
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using InSituLaboratory.IService;
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using InSituLaboratory.Models;
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using Prism.Commands;
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using Prism.Services.Dialogs;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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namespace InSituLaboratory.ViewModels.Pages.Dialogs
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{
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public class ModifyMenuViewModel : DialogViewModelBase
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{
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public MenuItemModel MenuModel { get; set; } = new MenuItemModel();
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public List<SysMenu> ParentNodes { get; set; } = new List<SysMenu>();
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public DelegateCommand SaveCommand { get; set; }
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IMenuService _menuService;
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public ModifyMenuViewModel(IMenuService menuService)
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{
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_menuService = menuService;
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SaveCommand = new DelegateCommand(DoSave);
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}
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public override void OnDialogOpened(IDialogParameters parameters)
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{
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var model = parameters.GetValue<MenuItemModel>("model");
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if (model == null)
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{
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Title = "新增菜单项";
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MenuModel.ParentId = 0;// 默认新增一个一级菜单
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MenuModel.MenuType = 1;// 默认新增一个集合类型的节点
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}
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else
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{
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Title = "编辑菜单项";
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var sm = _menuService.Find<SysMenu>(model.MenuId);
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MenuModel.MenuId = sm.MenuId;
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MenuModel.MenuHeader = sm.MenuHeader;
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MenuModel.ParentId = sm.ParentId;
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MenuModel.TargetView = sm.TargetView;
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MenuModel.MenuIcon = sm.MenuIcon;
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MenuModel.MenuType = sm.MenuType;
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}
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//查询父节点
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ParentNodes = _menuService.Query<SysMenu>(m => m.MenuType == 1).ToList();
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//初始化一个顶级菜单
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ParentNodes.Insert(0, new SysMenu { MenuHeader = "ROOT", MenuId = 0 });
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/// 1、将model直接作为数据源，提供给页面显示。
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/// 问题：子窗口修改的每一个动作，都会反馈到 主窗口
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///
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/// 2、根据model中的MenuId进行数据检索，后进行显示
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/// 数据更新完成后，提交到了数据库，需要主窗口进行同步操作
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}
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/// <summary>
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/// 编辑和新增
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/// </summary>
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public override void DoSave()
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{
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try
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{
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if (MenuModel.MenuId == 0)
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{
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//新增
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TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
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uint key = Convert.ToUInt32(ts.TotalSeconds);
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_menuService.Insert<SysMenu>(new SysMenu
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{
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MenuId = (int)key,//新增ID
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MenuHeader = MenuModel.MenuHeader,
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MenuIcon = MenuModel.MenuIcon,
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TargetView = MenuModel.TargetView,
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ParentId = MenuModel.ParentId,
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MenuType = MenuModel.MenuType,
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State = 1
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});
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}
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else
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{
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//编辑
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var entity = _menuService.Find<SysMenu>(MenuModel.MenuId);
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entity.MenuHeader = MenuModel.MenuHeader;
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entity.MenuIcon = MenuModel.MenuIcon;
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entity.TargetView = MenuModel.TargetView;
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entity.ParentId = MenuModel.ParentId;
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entity.MenuType = MenuModel.MenuType;
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_menuService.Update<SysMenu>(entity);
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}
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base.DoSave();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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}
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}
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}
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