345 lines
12 KiB
C#
345 lines
12 KiB
C#
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using InSituLaboratory.Base;
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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.Regions;
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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.Collections.ObjectModel;
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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
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{
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public class RoleViewModel : ViewModelBase
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{
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public ObservableCollection<RoleModel> RoleList { get; set; } =
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new ObservableCollection<RoleModel>();
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public ObservableCollection<MenuItemModel> Menus { get; set; } =
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new ObservableCollection<MenuItemModel>();
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public ObservableCollection<UserModel> Users { get; set; } =
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new ObservableCollection<UserModel>();
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/// <summary>
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/// 菜单勾选功能
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/// </summary>
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public DelegateCommand<MenuItemModel> SelectMenuCommand { get; set; }
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/// <summary>
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/// 分配权限用户
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/// </summary>
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public DelegateCommand SelectUserCommand { get; set; }
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/// <summary>
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/// 删除用户
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/// </summary>
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public DelegateCommand<UserModel> DeleteUserCommand { get; set; }
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private RoleModel _currentRole;
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public RoleModel CurrentRole
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{
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get { return _currentRole; }
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set
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{
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SetProperty<RoleModel>(ref _currentRole, value, () =>
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{
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// 当属性值发生变化的时候
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// value.MenuIds
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if (value == null) return;
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SetMenuStatus(Menus, value.MenuIds);
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//// value.UserIds
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LoadUsers(value.UserIds);
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});
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}
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}
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IRoleService _roleService;
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IMenuService _menuService;
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IDialogService _dialogService;
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IUserService _userService;
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public RoleViewModel(
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IRegionManager regionManager,
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IRoleService roleService,
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IMenuService menuService,
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IDialogService dialogService,
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IUserService userService)
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: base(regionManager)
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{
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this.PageTitle = "角色权限组";
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_roleService = roleService;
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_menuService = menuService;
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_dialogService = dialogService;
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_userService = userService;
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SelectMenuCommand = new DelegateCommand<MenuItemModel>(DoSelectMenu);
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SelectUserCommand = new DelegateCommand(DoSelcetUser);
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DeleteUserCommand = new DelegateCommand<UserModel>(DoDeleteUser);
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Refresh();
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}
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/// <summary>
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/// 刷新
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/// </summary>
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public override void Refresh()
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{
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RoleList.Clear();
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Menus.Clear();
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var rs = _roleService.GetRoles(SearchKey);
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foreach (var role in rs)
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{
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RoleList.Add(new RoleModel
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{
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RoleId = role.RoleId,
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RoleName = role.RoleName,
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RoleDesc = role.RoleDesc,
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MenuIds = role.Menus.Select(m => m.MenuId).ToList(),
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UserIds = role.Users.Select(u => u.UserId).ToList()
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});
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}
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//加载供选择的所有菜单
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var ms = _menuService.GetMenuList().ToList();
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MenuHelper.FillMenus(Menus, null, ms);
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CurrentRole = RoleList.Count > 0 ?
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(_rid == 0 ? RoleList[0] : RoleList.FirstOrDefault(r => r.RoleId == _rid)) :
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null;
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}
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/// <summary>
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/// 编辑或者新增
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/// </summary>
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/// <param name="model"></param>
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public override void DoModify(object model)
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{
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DialogParameters ps = new DialogParameters();
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ps.Add("model", model);
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_dialogService.ShowDialog("ModifyRoleView", ps, result =>
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{
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// 判断子窗口的返回状态，如果OK，刷新当前页面，否则不管
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if (result.Result == ButtonResult.OK)
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{
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this.Refresh();
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}
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});
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}
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/// <summary>
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/// 删除
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/// </summary>
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/// <param name="model"></param>
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public override void DoDelete(object model)
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{
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try
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{
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if (MessageBox.Show("是否确定删除此项？", "提示", MessageBoxButton.YesNo) ==
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MessageBoxResult.Yes)
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{
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// 物理删除
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_roleService.Delete<SysRole>((model as RoleModel).RoleId);
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MessageBox.Show("删除完成！", "提示");
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RoleList.Remove(model as RoleModel);
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message, "提示");
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}
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}
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/// <summary>
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/// 根据用户角色初始化菜单选项
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/// </summary>
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/// <param name="menus"></param>
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/// <param name="mids"></param>
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private void SetMenuStatus(ObservableCollection<MenuItemModel> menus, List<int> mids)
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{
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foreach (var item in menus)
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{
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item.IsSelected = mids.Contains(item.MenuId);
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if (item.Children != null && item.Children.Count > 0)
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{
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SetMenuStatus(item.Children, mids);
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}
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}
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}
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/// <summary>
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/// 设置菜单勾选功能
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/// </summary>
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/// <param name="model"></param>
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private void DoSelectMenu(MenuItemModel model)
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{
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try
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{
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// model.IsSelected 两种状态 选中 非选中
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// 选中：需要在RoleMenu表中添加一条记录 ： 角色ID 菜单ID
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// 非选中：需要从RoleMenu中删除一条记录 ： 角色ID 菜单ID
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var role = _roleService.Find<SysRole>(CurrentRole.RoleId);
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if (role == null) return;
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if (model.IsSelected)
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{
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role.Menus.Add(new RoleMenu
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{
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RoleId = CurrentRole.RoleId,
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MenuId = model.MenuId,
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SysRole = role
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});
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CurrentRole.MenuIds.Add(model.MenuId);
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// 判断所有子节点---多层级菜单
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// 父节点被选中的时候，把所有子节点都选中，并且存入数据库
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if (model.Children != null && model.Children.Count > 0)
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{
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foreach (var item in model.Children)
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{
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item.IsSelected = true;
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role.Menus.Add(new RoleMenu
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{
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RoleId = CurrentRole.RoleId,
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MenuId = item.MenuId,
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SysRole = role
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});
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CurrentRole.MenuIds.Add(item.MenuId);
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}
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}
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//如果是子节点选中的时候，判断父节点是否被选中，如果未被选中，则选中它
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if (model.Parent != null && !model.Parent.IsSelected)
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{
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model.Parent.IsSelected = true;
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role.Menus.Add(new RoleMenu
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{
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RoleId = CurrentRole.RoleId,
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MenuId = model.Parent.MenuId,
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SysRole = role
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});
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CurrentRole.MenuIds.Add(model.Parent.MenuId);
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}
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}
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else
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{
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role.Menus.RemoveAll(m => m.MenuId == model.MenuId);
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CurrentRole.MenuIds.RemoveAll(mid => mid == model.MenuId);
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// 父节点被勾选掉的时候，把所有子节点都去掉，并且存入数据库
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if (model.Children != null && model.Children.Count > 0)
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{
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var mids = model.Children.Select(m =>
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{
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m.IsSelected = false;
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return m.MenuId;
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}).ToList();
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role.Menus.RemoveAll(m => mids.Contains(m.MenuId));
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CurrentRole.MenuIds.RemoveAll(m => mids.Contains(m));
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}
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// 如果勾选掉子节点，判断父节点所有的子节点，如果所有子节点都未选中，那么将这个父节点的选中状态去掉
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if (model.Parent != null &&
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!model.Parent.Children.ToList().Exists(m => m.IsSelected))
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{
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model.Parent.IsSelected = false;
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role.Menus.RemoveAll(m => m.MenuId == model.Parent.MenuId);
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CurrentRole.MenuIds.RemoveAll(m => m == model.Parent.MenuId);
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}
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}
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_roleService.Update(role);
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message, "提示");
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}
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}
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/// <summary>
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/// 根据用户角色初始化用户选项
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/// </summary>
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/// <param name="uids"></param>
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private void LoadUsers(List<int> uids)
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{
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Users.Clear();
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var us = _userService.Query<SysUser>(u => uids.Contains(u.UserId)).ToList();
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foreach (var u in us)
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{
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Users.Add(new UserModel
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{
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UserId = u.UserId,
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UserName = u.UserName,
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RealName = u.RealName,
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UserIcon = "pack://siteoforigin:,,,/Avatars/" + u.UserIcon
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});
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}
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}
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int _rid = 0;
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/// <summary>
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/// 选择用户
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/// </summary>
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private void DoSelcetUser()
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{
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DialogParameters dps = new DialogParameters();
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dps.Add("uids", CurrentRole.UserIds);
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dps.Add("rid", CurrentRole.RoleId);
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_rid = CurrentRole.RoleId;
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_dialogService.ShowDialog("SelectUserView", dps, result =>
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{
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if (result.Result == ButtonResult.OK)
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{
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this.Refresh();
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_rid = 0;
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}
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});
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}
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/// <summary>
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/// 权限组删除用户
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/// </summary>
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/// <param name="model"></param>
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private void DoDeleteUser(UserModel model)
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{
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try
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{
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if (MessageBox.Show("是否确定从当前角色权限组删除此用户？", "提示", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
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{
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// 物理删除
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var role = _roleService.Find<SysRole>(CurrentRole.RoleId);
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if (role == null) return;
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role.Users.RemoveAll(u => u.UserId == model.UserId);
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CurrentRole.UserIds.RemoveAll(uid => uid == model.UserId);
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_roleService.Update(role);
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MessageBox.Show("删除完成！", "提示");
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Users.Remove(model);
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message, "提示");
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}
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}
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}
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}
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