93 lines
5.9 KiB
C#
93 lines
5.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Windows.Input;
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namespace XLAB2
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{
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internal sealed class TprzEditWindowViewModel : ObservableObject
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{
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private readonly IReadOnlyList<TprzDirectoryItem> _existingItems;
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private string _accuracyText;
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private int _completenessId;
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private string _rangeText;
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private string _registryTypeSizeNumber;
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private string _serviceCode;
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private string _validationMessage;
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public TprzEditWindowViewModel(TprzDirectoryItem seed, bool isNew, IReadOnlyList<TprzDirectoryItem> existingItems, TypeSizeDirectoryService service)
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{
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var source = seed ?? new TprzDirectoryItem();
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_existingItems = existingItems ?? Array.Empty<TprzDirectoryItem>();
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Id = source.Id;
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TipsId = source.TipsId;
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IsNew = isNew;
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CompletenessItems = new[] { new DirectoryLookupItem { Id = 0, Name = string.Empty } }.Concat(service.LoadSpkmmkReferences()).ToList();
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RangeText = source.RangeText ?? string.Empty;
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AccuracyText = source.AccuracyText ?? string.Empty;
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CompletenessId = source.CompletenessId ?? 0;
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RegistryTypeSizeNumber = source.RegistryTypeSizeNumber ?? string.Empty;
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ServiceCode = source.ServiceCode ?? string.Empty;
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ConfirmCommand = new RelayCommand(Confirm);
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CancelCommand = new RelayCommand(Cancel);
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}
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public event EventHandler<bool?> CloseRequested;
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public ICommand CancelCommand { get; private set; }
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public IReadOnlyList<DirectoryLookupItem> CompletenessItems { get; private set; }
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public ICommand ConfirmCommand { get; private set; }
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public int Id { get; private set; }
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public bool IsNew { get; private set; }
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public int TipsId { get; private set; }
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public int CompletenessId { get { return _completenessId; } set { SetProperty(ref _completenessId, value); } }
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public string RangeText { get { return _rangeText; } set { SetProperty(ref _rangeText, value); } }
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public string AccuracyText { get { return _accuracyText; } set { SetProperty(ref _accuracyText, value); } }
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public string RegistryTypeSizeNumber { get { return _registryTypeSizeNumber; } set { SetProperty(ref _registryTypeSizeNumber, value); } }
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public string ServiceCode { get { return _serviceCode; } set { SetProperty(ref _serviceCode, value); } }
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public string Title { get { return IsNew ? "Новый типоразмер" : "Редактирование типоразмера"; } }
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public string ValidationMessage { get { return _validationMessage; } private set { SetProperty(ref _validationMessage, value); } }
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public TprzDirectoryItem ToResult()
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{
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return new TprzDirectoryItem
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{
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Id = Id,
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TipsId = TipsId,
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CompletenessId = CompletenessId > 0 ? (int?)CompletenessId : null,
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RangeText = Normalize(RangeText),
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AccuracyText = Normalize(AccuracyText),
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RegistryTypeSizeNumber = Normalize(RegistryTypeSizeNumber),
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ServiceCode = Normalize(ServiceCode)
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};
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}
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private void Cancel(object parameter) { RaiseCloseRequested(false); }
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private void Confirm(object parameter)
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{
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var range = Normalize(RangeText);
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var accuracy = Normalize(AccuracyText);
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if (string.IsNullOrWhiteSpace(range)) { ValidationMessage = "Укажите диапазон."; return; }
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if (range.Length > TprzDirectoryRules.RangeTextMaxLength) { ValidationMessage = string.Format("Диапазон не должен превышать {0} символов.", TprzDirectoryRules.RangeTextMaxLength); return; }
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if (string.IsNullOrWhiteSpace(accuracy)) { ValidationMessage = "Укажите характеристику точности."; return; }
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if (accuracy.Length > TprzDirectoryRules.AccuracyTextMaxLength) { ValidationMessage = string.Format("Характеристика точности не должна превышать {0} символов.", TprzDirectoryRules.AccuracyTextMaxLength); return; }
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var registry = Normalize(RegistryTypeSizeNumber);
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if (!string.IsNullOrWhiteSpace(registry) && registry.Length > TprzDirectoryRules.RegistryTypeSizeNumberMaxLength) { ValidationMessage = string.Format("Номер по Госреестру не должен превышать {0} символов.", TprzDirectoryRules.RegistryTypeSizeNumberMaxLength); return; }
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var serviceCode = Normalize(ServiceCode);
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if (!string.IsNullOrWhiteSpace(serviceCode) && serviceCode.Length > TprzDirectoryRules.ServiceCodeMaxLength) { ValidationMessage = string.Format("Служебный код не должен превышать {0} символов.", TprzDirectoryRules.ServiceCodeMaxLength); return; }
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var duplicate = _existingItems.FirstOrDefault(delegate(TprzDirectoryItem item) { return item != null && item.Id != Id && string.Equals(Normalize(item.RangeText), range, StringComparison.OrdinalIgnoreCase) && string.Equals(Normalize(item.AccuracyText), accuracy, StringComparison.OrdinalIgnoreCase); });
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if (duplicate != null) { ValidationMessage = string.Format("Типоразмер с диапазоном \"{0}\" и характеристикой точности \"{1}\" уже существует.", range, accuracy); return; }
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ValidationMessage = string.Empty;
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RaiseCloseRequested(true);
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}
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private static string Normalize(string value) { return string.IsNullOrWhiteSpace(value) ? string.Empty : value.Trim(); }
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private void RaiseCloseRequested(bool? dialogResult)
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{
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var handler = CloseRequested;
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if (handler != null) handler(this, dialogResult);
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}
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}
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}
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