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using System.ComponentModel;
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using System.ComponentModel.Composition;
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using System.Threading.Tasks;
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using DTS.Common.Events;
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using DTS.Common.Interface;
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using Prism.Events;
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using Prism.Regions;
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using Unity;
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using DTS.Common.Utils;
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using System.Text;
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using DTS.Common.Interactivity;
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using Prism.Commands;
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// ReSharper disable CheckNamespace
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// ReSharper disable MemberCanBePrivate.Global
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// ReSharper disable InconsistentNaming
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namespace DBImportExport
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{
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/// <summary>
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/// this class handles DB import/export functionality
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/// (note that since a lot of of DataPRO objects still live in the datapro project it's functionality is limited to the xml string going back and forth right now)
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/// </summary>
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[Export(typeof(IDBImportView))]
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[Export(typeof(IDBExportView))]
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[PartCreationPolicy(CreationPolicy.Shared)]
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public class DBViewModel : IDBViewModel
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{
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/// <summary>
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/// the import view
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/// </summary>
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public IDBImportView ImportView { get; set; }
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/// <summary>
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/// the export view
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/// </summary>
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public IDBExportView ExportView { get; set; }
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private IEventAggregator _eventAggregator { get; set; }
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private IRegionManager _regionManager;
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private IUnityContainer UnityContainer { get; set; }
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public InteractionRequest<Notification> NotificationRequest { get; private set; }
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public InteractionRequest<Confirmation> ConfirmationRequest { get; private set; }
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/// <summary>
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/// Creates a new instance of the TechnologyDomainEditViewModel.
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/// </summary>
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/// <param name="view">The Power And Battery View.</param>
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/// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
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/// <param name="eventAggregator">The EventAggregator which allows different components to publish/subscribe to events without being coupled to each other.</param>
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/// <param name="unityContainer">The unityContainer.</param>
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public DBViewModel(IDBImportView importView, IDBExportView exportView, IRegionManager regionManager, IEventAggregator eventAggregator, IUnityContainer unityContainer)
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{
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ImportView = importView;
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ImportView.DataContext = this;
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ExportView = exportView;
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ExportView.DataContext = this;
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NotificationRequest = new InteractionRequest<Notification>();
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ConfirmationRequest = new InteractionRequest<Confirmation>();
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_eventAggregator = eventAggregator;
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UnityContainer = unityContainer;
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_regionManager = regionManager;
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_eventAggregator.GetEvent<RaiseNotification>().Subscribe(OnRaiseNotification);
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_eventAggregator.GetEvent<BusyIndicatorChangeNotification>().Subscribe(OnBusyIndicatorNotification, ThreadOption.PublisherThread, true);
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}
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#region Methods
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public void Cleanup() { }
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public Task CleanupAsync() { return Task.CompletedTask; }
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public void Initialize() { }
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public void Initialize(object parameter) { }
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public void Initialize(object parameter, object model) { }
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public Task InitializeAsync() { return Task.CompletedTask; }
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public Task InitializeAsync(object parameter) { return Task.CompletedTask; }
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public void Activated() { }
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/// <summary>
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/// Private Event handler for RaiseNotification event.
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/// </summary>
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private void OnBusyIndicatorNotification(bool eventArg) { IsBusy = eventArg; }
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/// <summary>
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/// Private Event handler for RaiseNotification event.
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/// </summary>
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private void OnRaiseNotification(NotificationContentEventArgs eventArgsWithTitle)
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{
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// The NotificationRequest.Raise triggers the Invoke() method of the PopupWindowAction object to show the NotificationWindow window
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// Notification object expects a NotificationContentEventArgsWithoutTitle object and a Title string.
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var eventArgsWithoutTitle = new NotificationContentEventArgs(eventArgsWithTitle.Message, "", eventArgsWithTitle.Image, string.Empty);
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NotificationRequest.Raise(new Notification { Content = eventArgsWithoutTitle, Title = eventArgsWithTitle.Title });
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}
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/// <summary>
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/// exports ExportData to ExportFileName
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/// </summary>
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public void Export()
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{
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//System.IO.File.WriteAllText(_exportFile, sb.ToString(), Encoding.Unicode);
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if (string.IsNullOrWhiteSpace(ExportFileName))
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{
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_eventAggregator.GetEvent<ShowStatus>()
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.Publish(new StatusInfo(StatusInfo.StatusState.DoneFailed,
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Resources.StringResources.ExportFileName_Empty));
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return;
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}
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if (string.IsNullOrWhiteSpace(ExportData))
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{
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_eventAggregator.GetEvent<ShowStatus>().Publish(new StatusInfo(StatusInfo.StatusState.DoneFailed,
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Resources.StringResources.ExportFileData_Empty));
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return;
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}
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if (System.IO.File.Exists(ExportFileName))
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{
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FileUtils.DeleteFileOrMove(ExportFileName, LogDummyFunc);
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}
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System.IO.File.WriteAllText(ExportFileName, ExportData, Encoding.Unicode);
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}
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private void LogDummyFunc(params object[] paramlist)
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{
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return;
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}
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#endregion
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#region Properties
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public bool IsDirty { get; private set; }
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private bool _isBusy = false;
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public bool IsBusy { get => _isBusy; set { _isBusy = value; OnPropertyChanged("IsBusy"); } }
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private bool _isMenuIncluded = false;
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public bool IsMenuIncluded { get => _isMenuIncluded; set { _isMenuIncluded = value; OnPropertyChanged("IsMenuIncluded"); } }
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private bool _isNavigationIncluded = false;
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public bool IsNavigationIncluded { get => _isNavigationIncluded; set { _isNavigationIncluded = value; OnPropertyChanged("IsNavigationIncluded"); } }
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/// <summary>
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/// Gets the HeaderInfo.
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/// </summary>
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public string HeaderInfo => "MainRegion";
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/// <summary>
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/// xml string containing all data imported
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/// </summary>
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public string ImportData { get; set; }
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/// <summary>
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/// xml string containing all data exported
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/// </summary>
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public string ExportData { get; set; }
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/// <summary>
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/// exports ExportData to the ExportFileName
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/// </summary>
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#endregion Properties
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#region Commands
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/// <summary>
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/// browse to a file to import, should be xml, maybe needs a few other criteria
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/// </summary>
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private DelegateCommand _importBrowseCommand;
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public DelegateCommand ImportBrowseCommand => _importBrowseCommand ?? (_importBrowseCommand = new DelegateCommand(ImportBrowseMethod));
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private void ImportBrowseMethod()
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{
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using (var dlg = new System.Windows.Forms.OpenFileDialog())
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{
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dlg.CheckFileExists = true;
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dlg.CheckPathExists = true;
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dlg.Filter = Resources.StringResources.ImportFileBrowse_Filter;
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dlg.FilterIndex = 0;
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if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
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{
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ImportFileName = dlg.FileName;
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ImportStatusText = "Pressing the Import button will delete your existing database and replace it using " + ImportFileName;
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}
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}
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}
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/// <summary>
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/// browse to a file to import, should be xml, maybe needs a few other criteria
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/// </summary>
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private DelegateCommand _exportBrowseCommand;
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public DelegateCommand ExportBrowseCommand => _exportBrowseCommand ?? (_exportBrowseCommand = new DelegateCommand(ExportBrowseMethod));
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private void ExportBrowseMethod()
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{
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using (var dlg = new System.Windows.Forms.SaveFileDialog())
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{
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dlg.CheckFileExists = false;
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dlg.CheckPathExists = true;
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dlg.OverwritePrompt = false;
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dlg.Filter = Resources.StringResources.ExportFileBrowse_Filter;
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dlg.FilterIndex = 0;
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if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
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{
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ExportFileName = dlg.FileName;
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}
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}
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}
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#endregion
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#region properties
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/// <summary>
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/// all properties that are exposed
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/// </summary>
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public enum PropertyNames
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{
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ExportFileName,
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ImportFileName,
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ImportStatusText
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}
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private string _exportFileName = "";
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/// <summary>
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/// full path to export file
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/// </summary>
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public string ExportFileName
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{
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get => _exportFileName;
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set
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{
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_exportFileName = value;
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OnPropertyChanged(PropertyNames.ExportFileName.ToString());
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}
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}
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private string _importFileName = "";
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/// <summary>
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/// full path to import file
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/// </summary>
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public string ImportFileName
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{
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get => _importFileName;
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set
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{
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_importFileName = value;
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OnPropertyChanged(PropertyNames.ImportFileName.ToString());
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}
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}
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private string _importStatusText;
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public string ImportStatusText
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{
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get => _importStatusText;
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set
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{
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_importStatusText = value;
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OnPropertyChanged(PropertyNames.ImportStatusText.ToString());
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}
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}
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#endregion
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///<summary>
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///Occurs when a property value changes.
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///</summary>
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public event PropertyChangedEventHandler PropertyChanged;
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public void OnPropertyChanged(string propertyName)
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{
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var eventHandler = PropertyChanged;
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if (eventHandler != null) { eventHandler(this, new PropertyChangedEventArgs(propertyName)); }
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}
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}
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}
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