edit

2026-03-19 23:31:41 +03:00
parent ce3a3f02d2
commit a47a7a5a3b
104 changed files with 21982 additions and 0 deletions
--- a/XLAB2/SpoiEditWindowViewModel.cs
+++ b/XLAB2/SpoiEditWindowViewModel.cs
@@ -0,0 +1,148 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Input;
+
+namespace XLAB2
+{
+    internal sealed class SpoiEditWindowViewModel : ObservableObject
+    {
+        private readonly IReadOnlyList<SpoiDirectoryItem> _existingItems;
+        private string _code;
+        private string _name;
+        private string _validationMessage;
+
+        public SpoiEditWindowViewModel(SpoiDirectoryItem seed, bool isNew, IReadOnlyList<SpoiDirectoryItem> existingItems)
+        {
+            var source = seed ?? new SpoiDirectoryItem();
+            _existingItems = existingItems ?? Array.Empty<SpoiDirectoryItem>();
+            Id = source.Id;
+            IsNew = isNew;
+            Code = source.Code ?? string.Empty;
+            Name = source.Name ?? string.Empty;
+
+            ConfirmCommand = new RelayCommand(Confirm);
+            CancelCommand = new RelayCommand(Cancel);
+        }
+
+        public event EventHandler<bool?> CloseRequested;
+
+        public ICommand CancelCommand { get; private set; }
+
+        public string Code
+        {
+            get { return _code; }
+            set { SetProperty(ref _code, value); }
+        }
+
+        public ICommand ConfirmCommand { get; private set; }
+
+        public int Id { get; private set; }
+
+        public bool IsNew { get; private set; }
+
+        public string Name
+        {
+            get { return _name; }
+            set { SetProperty(ref _name, value); }
+        }
+
+        public string Title
+        {
+            get { return IsNew ? "Новая область измерений" : "Редактирование области измерений"; }
+        }
+
+        public string ValidationMessage
+        {
+            get { return _validationMessage; }
+            private set { SetProperty(ref _validationMessage, value); }
+        }
+
+        public SpoiDirectoryItem ToResult()
+        {
+            return new SpoiDirectoryItem
+            {
+                Id = Id,
+                Code = string.IsNullOrWhiteSpace(Code) ? string.Empty : Code.Trim(),
+                Name = string.IsNullOrWhiteSpace(Name) ? string.Empty : Name.Trim()
+            };
+        }
+
+        private void Cancel(object parameter)
+        {
+            RaiseCloseRequested(false);
+        }
+
+        private void Confirm(object parameter)
+        {
+            var normalizedCode = string.IsNullOrWhiteSpace(Code) ? string.Empty : Code.Trim();
+            var normalizedName = string.IsNullOrWhiteSpace(Name) ? string.Empty : Name.Trim();
+
+            if (normalizedCode.Length == 0)
+            {
+                ValidationMessage = "Укажите код ОИ.";
+                return;
+            }
+
+            if (normalizedCode.Length > SpoiDirectoryRules.CodeMaxLength)
+            {
+                ValidationMessage = string.Format("Код ОИ не должен превышать {0} символов.", SpoiDirectoryRules.CodeMaxLength);
+                return;
+            }
+
+            if (normalizedName.Length == 0)
+            {
+                ValidationMessage = "Укажите область измерений.";
+                return;
+            }
+
+            if (normalizedName.Length > SpoiDirectoryRules.NameMaxLength)
+            {
+                ValidationMessage = string.Format("Область измерений не должна превышать {0} символов.", SpoiDirectoryRules.NameMaxLength);
+                return;
+            }
+
+            var duplicateCode = _existingItems.FirstOrDefault(delegate(SpoiDirectoryItem item)
+            {
+                return item != null
+                       && item.Id != Id
+                       && string.Equals(
+                           string.IsNullOrWhiteSpace(item.Code) ? string.Empty : item.Code.Trim(),
+                           normalizedCode,
+                           StringComparison.OrdinalIgnoreCase);
+            });
+            if (duplicateCode != null)
+            {
+                ValidationMessage = string.Format("Код ОИ \"{0}\" уже существует в справочнике.", normalizedCode);
+                return;
+            }
+
+            var duplicateName = _existingItems.FirstOrDefault(delegate(SpoiDirectoryItem item)
+            {
+                return item != null
+                       && item.Id != Id
+                       && string.Equals(
+                           string.IsNullOrWhiteSpace(item.Name) ? string.Empty : item.Name.Trim(),
+                           normalizedName,
+                           StringComparison.OrdinalIgnoreCase);
+            });
+            if (duplicateName != null)
+            {
+                ValidationMessage = string.Format("Область измерений \"{0}\" уже существует в справочнике.", normalizedName);
+                return;
+            }
+
+            ValidationMessage = string.Empty;
+            RaiseCloseRequested(true);
+        }
+
+        private void RaiseCloseRequested(bool? dialogResult)
+        {
+            var handler = CloseRequested;
+            if (handler != null)
+            {
+                handler(this, dialogResult);
+            }
+        }
+    }
+}