BeWoPlaner/BeWo/ViewModel/ListViewModel/WohneinheitListVM.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Windows;
using BS.Shared;
using BS.Shared.DataContracts;
using BS.Shared.Extensions;
using DevExpress.Mvvm;

namespace BeWo.ViewModel.ListViewModel
{
    public class WohneinheitListVM : AbstractListVM<WohneinheitDC, WohneinheitVM>
    {
		public DelegateCommand AddChildVMCommand { get; set; }

        public bool PermissionWohneinheitButton => PermissionWohneinheitManage || PermissionWohneinheitGalleryView;

        public bool PermissionWohneinheitManage { get; } = BeWoApp.HasLoggedOnUserRight(UserRightType.WohnheimView_Wohneinheit_Manage);

        public bool PermissionWohneinheitGalleryView { get; } = BeWoApp.HasLoggedOnUserRight(UserRightType.WohnheimView_Wohneinheit_Gallery_View);

        /// <summary>
        /// Designer
        /// </summary>
        public WohneinheitListVM() : base(null)
        {
            VMList.Add(new WohneinheitVM());
        }

        public WohneinheitListVM(List<WohneinheitDC> pDCs) : base(pDCs)
        {
            AddVMCommand = new DelegateCommand(Add, () => PermissionWohneinheitManage);

            AddChildVMCommand = new DelegateCommand(AddChild, CanManageAndSelectedIsObject);

            DeleteSelectedVMCommand = new DelegateCommand(DeleteSelected, () => PermissionWohneinheitManage);
        }

        public override bool IsDirty => base.IsDirty;

        public void Add()
        {
            AddNewVMToListAndSelect(true);
        }

        public void AddChild()
        {
            var parent = SelectedVM;

            AddNewVMToListAndSelect(true);

            SelectedVM.Wohnname = parent.Wohnname;
            SelectedVM.Baujahr = parent.Baujahr;
            SelectedVM.Stock = parent.Stock;
        }

        public void DeleteSelected()
        {
            var selected_vm = SelectedVM;

            if (selected_vm is null)
                return;

            var displayname = selected_vm.Displayname2;

            var suc = DeleteSelectedVM($"Wohneinheit '{displayname}'");

            if (suc && VMList.Any())
                SelectedVM = VMList.Last();
        }

        public bool SelectNewWohneinheit()
        {
            SelectedVM = NewVM;

            return true;
        }

        public bool SelectNewChildWohneinheit(WohneinheitVM parent)
        {
            SelectedVM = NewVM;

            SelectedVM.Wohnname = parent.Wohnname;
            SelectedVM.Baujahr = parent.Baujahr;
            SelectedVM.Stock = parent.Stock;

            return true;
        }

        public bool EditWohneinheit(WohneinheitVM vm)
        {
            if (vm is null || !VMList.Contains(vm))
                return false;

            EditVM = vm;
            SelectedVM = vm;

            return true;
        }

        public bool CanManageAndSelectedIsObject()
		{
            return PermissionWohneinheitManage && SelectedVM != null;
		}

        public void CloseNewVM()
        {
            NewVM = null;
            SelectedVM = null;
        }

        public void CloseEditVM()
        {
            EditVM = null;
            SelectedVM = null;
        }
    }
}