Exemplo n.º 1
0
        /// <summary>
        /// 处理向此雇员添加新联系人详细信息的操作
        /// </summary>
        /// <typeparam name="T">要添加的联系人详细信息的类型</typeparam>
        private void AddContactDetail <T>() where T : ContactDetail
        {
            ContactDetail detail = this.unitOfWork.CreateObject <T>();

            this.unitOfWork.AddContactDetail(this.Model, detail);

            ContactDetailViewModel vm = ContactDetailViewModel.BuildViewModel(detail);

            this.ContactDetails.Add(vm);
            this.CurrentContactDetail = vm;
        }
Exemplo n.º 2
0
        /// <summary>
        /// 初始化 EmployeeViewModel 类的新实例。
        /// </summary>
        /// <param name="employee">此 ViewModel 基于的基础雇员</param>
        /// <param name="managerLookup">要用于查找经理的现有雇员集合</param>
        /// <param name="departmentLookup">要用于查找部门的现有部门集合</param>
        /// <param name="unitOfWork">用于管理更改的 UnitOfWork</param>
        public EmployeeViewModel(Employee employee, ObservableCollection <EmployeeViewModel> managerLookup, ObservableCollection <DepartmentViewModel> departmentLookup, IUnitOfWork unitOfWork)
            : base(employee)
        {
            if (employee == null)
            {
                throw new ArgumentNullException("employee");
            }

            this.unitOfWork       = unitOfWork;
            this.ManagerLookup    = managerLookup;
            this.DepartmentLookup = departmentLookup;

            // 生成联系人详细信息的数据结构
            this.ContactDetails = new ObservableCollection <ContactDetailViewModel>();
            foreach (var detail in employee.ContactDetails)
            {
                ContactDetailViewModel vm = ContactDetailViewModel.BuildViewModel(detail);
                if (vm != null)
                {
                    this.ContactDetails.Add(vm);
                }
            }

            // 响应从此 ViewModel 外部进行的任何更改
            this.DepartmentLookup.CollectionChanged += (sender, e) =>
            {
                if (e.OldItems != null && e.OldItems.Contains(this.Department))
                {
                    this.Department = null;
                }
            };
            this.ManagerLookup.CollectionChanged += (sender, e) =>
            {
                if (e.OldItems != null && e.OldItems.Contains(this.Manager))
                {
                    this.Manager = null;
                }
            };

            this.AddEmailAddressCommand     = new DelegateCommand((o) => this.AddContactDetail <Email>());
            this.AddPhoneNumberCommand      = new DelegateCommand((o) => this.AddContactDetail <Phone>());
            this.AddAddressCommand          = new DelegateCommand((o) => this.AddContactDetail <Address>());
            this.DeleteContactDetailCommand = new DelegateCommand((o) => this.DeleteCurrentContactDetail(), (o) => this.CurrentContactDetail != null);
        }