// Copyright (c) 2017 schick Informatik
// Description: The main application window
//

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Threading;
using System.Timers;

using bsmd.database;
using System.Windows.Controls;
using ENI2.Controls;
using ENI2.EditControls;
using ENI2.Util;

using log4net;
using System.ComponentModel;
using ENI2.Locode;
using System.Text;

namespace ENI2
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {

        #region Fields

        private ReportingPartyControl rpControl;
        private POListControl poControl;
        private ServerStatusControl statusControl;
        private readonly SucheControl sucheControl;
        private CompareExcelDialog compareExcelDialog;

        private bool efMode = false;
        private bool dbConnected;
        private readonly ScaleTransform _transform = new ScaleTransform(1.0, 1.0);
        private readonly Dictionary<Guid, ClosableTabItem> openTabs = new Dictionary<Guid, ClosableTabItem>();
        private readonly Dictionary<ClosableTabItem, Guid> lockedCores = new Dictionary<ClosableTabItem, Guid>();
        private int failedLogonCount;
        private ReportingParty userEntity;
        private readonly ILog _log = LogManager.GetLogger(typeof(MainWindow));
        private readonly DatabaseEntityWatchdog _dbWatchDog;
        private readonly Dictionary<Guid, ShowIdDialog> showIdDict = new Dictionary<Guid, ShowIdDialog>();

        #endregion

        #region Construction

        public MainWindow()
        {            
            Thread.Sleep(500);
            InitializeComponent();
            App.SplashScreen.ShowMessage("loading..");
            this.sucheControl = new SucheControl();
            this.tabSearch.Content = this.sucheControl;
            this.sucheControl.buttonSuche.IsDefault = true;            
            this.sucheControl.MessageCoreSelected += AnmeldungenControl_MessageCoreSelected;
            this.mainPanel.LayoutTransform = this._transform;
            this._dbWatchDog = new DatabaseEntityWatchdog();
            this._dbWatchDog.DatabaseEntityChanged += _dbWatchDog_DatabaseEntityChanged;
            this._dbWatchDog.VisitTransitIdUpdated += _dbWatchDog_VisitTransitIdUpdated;
            App.SplashScreen.ShowMessage("done");
            Thread.Sleep(500);
            App.SplashScreen.LoadComplete();            
        }        

        #endregion

        #region Search related event handler

        private void AnmeldungenControl_MessageCoreSelected(MessageCore aMessageCore)
        {
            if(aMessageCore != null)
            {
                if (!openTabs.ContainsKey(aMessageCore.Id.Value))
                {
                    ClosableTabItem searchResultItem = new ClosableTabItem();                    

                    // try to lock the item
                    Guid lockedUserId = Guid.Empty;

                    if (!(aMessageCore.Cancelled ?? false))
                    {
                        try
                        {
                            lockedUserId = App.LockingServiceClient.Lock(aMessageCore.Id.Value, this.userEntity.Id.Value);
                            if (lockedUserId == Guid.Empty)
                            {
                                this.lockedCores[searchResultItem] = aMessageCore.Id.Value;
                            }
                        }
                        catch (Exception ex)
                        {
                            // TODO: wenn der Locking Service nicht erreichbar ist sollte das Ganze trotzdem noch irgendwie funktionieren
                            _log.ErrorFormat("LockingService.Lock: {0}", ex.Message);
                        }
                    }
                    bool iDidLockIt = (lockedUserId == Guid.Empty) && !(aMessageCore.Cancelled ?? false);                    

                    searchResultItem.TabClosing += SearchResultItem_TabClosing;
                    DateTime? eta = aMessageCore.IsTransit ? aMessageCore.ETAKielCanal : aMessageCore.ETA;
                    searchResultItem.SetHeaderText(string.Format("{0} [{1}-{2}]", aMessageCore.Shipname, aMessageCore.PoC, eta.HasValue ? eta.Value.ToShortDateString() : ""), 
                        iDidLockIt);
                    searchResultItem.IsCancelled = aMessageCore.Cancelled ?? false;

                    DetailRootControl drc = new DetailRootControl(aMessageCore);
                    drc.LockedByOtherUser = !iDidLockIt;

                    if (!(aMessageCore.Cancelled ?? false))
                    {                        
                        drc.LockedBy = iDidLockIt ? this.userEntity : DBManager.Instance.GetReportingPartyDict()[lockedUserId];
                    }

                    searchResultItem.Content = drc;
                    this.mainFrame.Items.Add(searchResultItem);
                    Dispatcher.BeginInvoke((Action)(() => this.mainFrame.SelectedIndex = (this.mainFrame.Items.Count - 1)));
                    this.openTabs.Add(aMessageCore.Id.Value, searchResultItem);
                    this._dbWatchDog.Register(aMessageCore);

                    drc.HighlightReset += Drc_HighlightReset;
                    drc.OpenNewCoreRequested += (core) => this.AnmeldungenControl_MessageCoreSelected(core);
                    drc.ReloadCoreRequested += Drc_ReloadCoreRequested;

                }
                else
                {
                    Dispatcher.BeginInvoke((Action)(() => this.mainFrame.SelectedItem = openTabs[aMessageCore.Id.Value]));                    
                }
            }
        }

        private void Drc_ReloadCoreRequested(Guid obj)
        {
            if(openTabs.ContainsKey(obj))
            {
                if (openTabs[obj].Content is DetailRootControl drc)
                {
                    drc.ReloadCore();
                }
            }
        }

        private void Drc_HighlightReset(DatabaseEntity entity)
        {
            if (entity is MessageCore resetCore)
            {
                if (openTabs.ContainsKey(resetCore.Id.Value))
                {
                    openTabs[resetCore.Id.Value].IsHighlighted = false;
                }
            }
        }

        private void SearchResultItem_TabClosing(object sender, CancelEventArgs e)
        {
            if (sender is ClosableTabItem tabItem)
            {
                DetailRootControl drc = tabItem.Content as DetailRootControl;

                // Test for unsaved changes
                if (drc.HasUnsavedChanges)
                {                    
                    if (MessageBox.Show(Properties.Resources.textConfirmWithoutSaving, Properties.Resources.textConfirmation, MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.No)
                        e.Cancel = true;
                }

                // Test for unsent messages
                List<string> unSentMessages = drc.HasUnsentMessages;
                if (!e.Cancel && (unSentMessages.Count > 0))
                {
                    StringBuilder mBuilder = new StringBuilder();
                    foreach (string messageType in unSentMessages)
                    {
                        mBuilder.Append(messageType);
                        mBuilder.Append(" ");
                    }
                    mBuilder.AppendLine();
                    mBuilder.Append(Properties.Resources.textConfirmUnsentMessages);
                    if (MessageBox.Show(mBuilder.ToString(), Properties.Resources.textConfirmation, MessageBoxButton.YesNo, 
                        MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.No)
                        e.Cancel = true;
                }

                // Test for unconfirmed messages
                List<string> unConfirmedMessages = drc.HasUnConfirmedMessages;
                if(!e.Cancel && (unConfirmedMessages.Count > 0))
                {
                    StringBuilder mBuilder = new StringBuilder();
                    foreach (string messageType in unConfirmedMessages)
                    {
                        mBuilder.Append(messageType);
                        mBuilder.Append(" ");
                    }
                    mBuilder.AppendLine();
                    mBuilder.Append(Properties.Resources.textConfirmUnconfirmedMessages);
                    if (MessageBox.Show(mBuilder.ToString(), Properties.Resources.textConfirmation, MessageBoxButton.YesNo, 
                        MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.No)
                        e.Cancel = true;
                }

                if (!e.Cancel)
                {
                    if (lockedCores.ContainsKey(tabItem))
                    {
                        try
                        {
                            App.LockingServiceClient.Unlock(lockedCores[tabItem], this.userEntity.Id.Value);
                            lockedCores.Remove(tabItem);
                        }
                        catch (Exception ex)
                        {
                            _log.ErrorFormat("LockingService.Unlock: {0}", ex.Message);
                        }
                    }

                    if (openTabs.ContainsKey(drc.Core.Id.Value))
                    {
                        this._dbWatchDog.UnRegister(drc.Core);
                        openTabs.Remove(drc.Core.Id.Value);
                    }
                }
            }
        }

        #endregion

        #region Window control click event handler       

        private void logoImage_MouseUp(object sender, MouseButtonEventArgs e)
        {
            if(efMode) Process.Start("http://www.eintracht-frankfurt.de/home.html");
            else Process.Start("http://www.eureport.de/");            
        }

        private void buttonAbout_Click(object sender, RoutedEventArgs e)
        {
            AboutDialog ad = new AboutDialog();
            ad.Show();
        }

        private void radioButton_Click(object sender, RoutedEventArgs e)
        {
            this.rootContainer.Children.Clear();
            bool newButtonsVisible = false;

            if(sender == this.buttonNotifications)
            {
                this.rootContainer.Children.Add(this.mainFrame);
                newButtonsVisible = true;
            }
            else if(sender == this.buttonUserAdmin)
            {
                if (this.rpControl == null)
                {
                    this.rpControl = new ReportingPartyControl();
                    Dictionary<Guid, ReportingParty> repPartyDict = DBManager.Instance.GetReportingPartyDict();
                    this.rpControl.ReportingParties = new ObservableCollection<ReportingParty>(repPartyDict.Values);
                }
                this.rootContainer.Children.Add(this.rpControl);                
            }
            else if(sender == this.buttonPOListe)
            {
                if (this.poControl == null)
                {
                    this.poControl = new POListControl();
                }
                this.rootContainer.Children.Add(poControl);
            }
            else if(sender == this.buttonStatus)
            {
                if(this.statusControl == null)
                {
                    this.statusControl = new ServerStatusControl();
                }
                this.rootContainer.Children.Add(this.statusControl);
            }

            this.buttonNewId.Visibility = newButtonsVisible ? Visibility.Visible : Visibility.Hidden;
            this.buttonNewWithId.Visibility = newButtonsVisible ? Visibility.Visible : Visibility.Hidden;
        }

        private void buttonCompareSheets_Click(object sender, RoutedEventArgs ev)
        {
            // Open compare dialog
            if(compareExcelDialog == null)
            {
                this.compareExcelDialog = new CompareExcelDialog();
                this.compareExcelDialog.Closed += (o, e) => this.compareExcelDialog = null;                
                compareExcelDialog.Show();
            }
            else
            {
                compareExcelDialog.BringUp();
            }

        }

        #endregion

        #region window lifetime event handler

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            // if (Debugger.IsAttached) this.busyIndicator.IsBusy = false; // not for me :-P

            this.dbConnected = DBManager.Instance.Connect(Properties.Settings.Default.ConnectionString);
            labelGeneralStatus.Text = dbConnected ? "DB Connected" : "DB Connect failed";
            labelVersion.Text = "V. " + System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
            labelUsername.Text = System.Security.Principal.WindowsIdentity.GetCurrent().Name;
            if (Keyboard.IsKeyDown(Key.LeftShift))
            {
                efMode = true; 
                logoImage.Source = new BitmapImage(new Uri("pack://application:,,,/Resources/ef_logo.png"));
            }
            Microsoft.Win32.SystemEvents.SessionEnded += SystemEvents_SessionEnded;
        }

        private void SystemEvents_SessionEnded(object sender, Microsoft.Win32.SessionEndedEventArgs e)
        {
            this.UnlockOpenCores();
        }

        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            this.UnlockOpenCores();

            DBManager.Instance.Disconnect();
            Properties.Settings.Default.MainWindowPlacement = this.GetPlacement();
            Properties.Settings.Default.Save();
            Microsoft.Win32.SystemEvents.SessionEnded -= SystemEvents_SessionEnded;
        }

        private void Window_SourceInitialized(object sender, EventArgs e)
        {
            this.SetPlacement(Properties.Settings.Default.MainWindowPlacement);
            this.textUsername.Focus();
        }

        #endregion

        #region Command event handler

        private void ExecutedClearCommand(object sender, ExecutedRoutedEventArgs e)
        {

            if (!(e.OriginalSource is Xceed.Wpf.Toolkit.DateTimePicker dtPicker))
                dtPicker = CustomCommands.FindParent<Xceed.Wpf.Toolkit.DateTimePicker>(e.OriginalSource as DependencyObject);

            if (dtPicker != null)
            {
                dtPicker.Value = null;
            }

            // das funktioniert auch für Comboboxen :P
            if (!(e.OriginalSource is ComboBox cb))
            {
                cb = CustomCommands.FindParent<ComboBox>(e.OriginalSource as DependencyObject);
            }
            if (cb != null)
            {

                cb.SelectedIndex = -1;
                
                LocalValueEnumerator localSetProperties = cb.GetLocalValueEnumerator();
                while(localSetProperties.MoveNext())
                {
                    if(localSetProperties.Current.Property.Name == "SelectedIndex")
                    {
                        cb.ClearValue(localSetProperties.Current.Property);
                    }
                }                
            }
        }

        private void CanExecuteClearCommand(object sender, CanExecuteRoutedEventArgs e)
        {
            // validate?

            e.CanExecute = true;

        }

        #endregion

        #region window control events

        private void buttonNewTransitIdClick(object sender, RoutedEventArgs e)
        {

            MessageCore newCore = new MessageCore();
            VisitIdDialog visitIdDialog = new VisitIdDialog();
            visitIdDialog.Core = newCore;            
            visitIdDialog.Closed += (senderDialog, closeArgs) =>
            {
                VisitIdDialog closedDialog = senderDialog as VisitIdDialog;
                if(closedDialog.IsOK)
                {
                    Util.UIHelper.SetBusyState();

                    if (!closedDialog.Core.IsDK)
                    {
                        // deutsche Häfen fordern eine Visit-Id an, für DK erfolgt hier nur die Anlage eines Datensatzes
                        closedDialog.Core.BSMDStatusInternal = MessageCore.BSMDStatus.TOSEND;                                                
                    }

                    if (closedDialog.Core.PoC.Equals("ZZNOK"))
                        closedDialog.Core.IsTransit = true;

                    closedDialog.Core.Incoming = true;
                    closedDialog.Core.DefaultReportingPartyId = this.userEntity.Id;
                    DBManager.GetSingleCon(Properties.Settings.Default.ConnectionString).Save(closedDialog.Core);

                    // Meldeklassen für neuen Anlauf erzeugen
                    bsmd.database.Util.CreateMessagesForCore(closedDialog.Core, null, userEntity);

                    // watchdog registrieren
                    this._dbWatchDog.Register(closedDialog.Core);                    

                    // Wartedialog anzeigen
                    ShowIdDialog showIdDialog = new ShowIdDialog(closedDialog.Core);
                    showIdDialog.Closed += (sid, showIdArgs) =>
                    {
                        if (((ShowIdDialog)sid).OpenCore)
                        {
                            Dispatcher.BeginInvoke((Action)(() => {
                                this.AnmeldungenControl_MessageCoreSelected(closedDialog.Core); // in einem neuen Reiter öffnen                                                   
                            }));
                        }

                        // wenn der Dialog vorzeitig geschlossen wird erkennt man später dass man die Id dort nicht updaten braucht
                        if (this.showIdDict.ContainsKey(closedDialog.Core.Id.Value))
                            this.showIdDict[closedDialog.Core.Id.Value] = null;
                        this.UpdateWaitIdLabel();
                    };
                    this.showIdDict.Add(closedDialog.Core.Id.Value, showIdDialog);
                    showIdDialog.Show();
                    showIdDialog.Activate();
                    this.UpdateWaitIdLabel();
                }
            };
            visitIdDialog.Show();
        }

        /// <summary>
        /// Callback Neuanlage mit vorhandener ID (zur Abfrage der verfügbaren Meldeklassen)
        /// </summary>
        private void buttonNewWithIdClick(object sender, RoutedEventArgs e)
        {
            NewWithIdDialog newWithIdDialog = new NewWithIdDialog();            
            newWithIdDialog.OKClicked += new Action(() =>
            {

                if (newWithIdDialog.ValidId)
                {
                    MessageCore newCore = new MessageCore();
                    newCore.Incoming = true;
                    newCore.InitialHIS = Message.NSWProvider.DUDR;
                    bool alreadyInSystem = false;

                    if (bsmd.database.Util.IsTransitId(newWithIdDialog.VisitTransitId))
                    {
                        newCore.TransitId = newWithIdDialog.VisitTransitId;
                        newCore.IsTransit = true;
                        alreadyInSystem = (DBManager.GetSingleCon(Properties.Settings.Default.ConnectionString).GetMessageCoreByTransitId(newWithIdDialog.VisitTransitId) != null);
                    }
                    else
                    {
                        newCore.VisitId = newWithIdDialog.VisitTransitId;
                        newCore.IsTransit = false;
                        alreadyInSystem = (DBManager.GetSingleCon(Properties.Settings.Default.ConnectionString).GetMessageCoreByVisitId(newWithIdDialog.VisitTransitId) != null);
                    }

                    if (alreadyInSystem)
                    {
                        MessageBox.Show(Properties.Resources.textVisitTransitAlreadyInDatabase, Properties.Resources.textCaptionError, MessageBoxButton.OK, MessageBoxImage.Error);
                    }
                    else
                    {
                        newCore.DefaultReportingPartyId = this.userEntity.Id;
                        newCore.PoC = newWithIdDialog.VisitTransitId.Substring(0, 5);
                        newCore.Portname = LocodeDB.PortNameFromLocode(newCore.PoC);
                        newCore.IMO = newWithIdDialog.IMO;
                        newCore.ENI = newWithIdDialog.ENI;
                        newCore.InitialHIS = newWithIdDialog.SelectedHIS;
                        if (newCore.IsTransit)
                            newCore.ETAKielCanal = newWithIdDialog.ETA;
                        else
                            newCore.ETA = newWithIdDialog.ETA;

                        DBManager.GetSingleCon(Properties.Settings.Default.ConnectionString).Save(newCore);

                        // Meldeklassen für neuen Anlauf erzeugen:
                        bsmd.database.Util.CreateMessagesForCore(newCore, null, userEntity);
                        this.AnmeldungenControl_MessageCoreSelected(newCore); // in einem neuen Reiter öffnen

                        // watchdog registrieren, damit die "grüne" Markierung erscheint, sobald die Anmeldung durch den Excel-Prozess gelaufen ist.
                        this._dbWatchDog.Register(newCore);
                    }
                }

            });

            newWithIdDialog.Show();
        }

        private void closeButton_Click(object sender, RoutedEventArgs e)
        {
            // close particular tab
            if (e.Source is TabItem tabitem)
            {
                this.mainFrame.Items.Remove(tabitem);
            }
        }

        private void _dbWatchDog_DatabaseEntityChanged(DatabaseEntity entity)
        {
            if (entity is MessageCore changedCore)
            {                

                // tab färben
                if (this.openTabs.ContainsKey(changedCore.Id.Value))
                {
                    TabItem tabitem = this.openTabs[changedCore.Id.Value];                    
                   
                    this.Dispatcher.BeginInvoke(new Action(() =>
                    {
                        DetailRootControl drc = tabitem.Content as DetailRootControl;
                        if (tabitem != this.mainFrame.SelectedItem)
                            drc.ReloadCore(); // hoffentlich ist das nicht "too much"

                        bool respondHighlight = false;
                        if (changedCore.BSMDStatusInternal == MessageCore.BSMDStatus.RESPONDED)
                            respondHighlight = true;
                        if (tabitem is ClosableTabItem closableTabItem)
                        {
                            if (respondHighlight)
                                (closableTabItem).IsHighlightResponded = true;
                            else
                                (closableTabItem).IsHighlighted = true;
                        }                       
                    }));
                    changedCore.IsHighlighted = false;
                }                
            }
        }

        private void _dbWatchDog_VisitTransitIdUpdated(DatabaseEntity entity)
        {
            if (entity is MessageCore changedCore)
            {
                if (showIdDict.ContainsKey(changedCore.Id.Value))
                {
                    if (this.showIdDict[changedCore.Id.Value] != null)
                    {
                        this.showIdDict[changedCore.Id.Value].UpdateId(changedCore.VisitId.IsNullOrEmpty() ? changedCore.TransitId : changedCore.VisitId);
                    }
                    else
                    {
                        // Wartedialog nochmal
                        this.Dispatcher.Invoke(new Action(() =>
                        {
                            ShowIdDialog showIdDialog = new ShowIdDialog(changedCore);
                            showIdDialog.Closed += (sid, showIdArgs) =>
                            {
                                if (((ShowIdDialog)sid).OpenCore)
                                    this.AnmeldungenControl_MessageCoreSelected(changedCore);
                            };
                            showIdDialog.Show();
                            showIdDialog.Activate();
                            showIdDialog.UpdateId(changedCore.VisitId.IsNullOrEmpty() ? changedCore.TransitId : changedCore.VisitId);
                        }));
                    }
                    this.showIdDict.Remove(changedCore.Id.Value);
                    // this._dbWatchDog.UnRegister(changedCore); // wird ggf später abgeräumt wenn der Tab geschlossen wird
                    this.Dispatcher.Invoke(new Action(() =>
                    {
                        UpdateWaitIdLabel();                        
                    }));
                }                

                if (this.openTabs.ContainsKey(changedCore.Id.Value))
                {
                    TabItem tabitem = this.openTabs[changedCore.Id.Value];
                    this.Dispatcher.BeginInvoke(new Action(() =>
                    {
                        DetailRootControl drc = tabitem.Content as DetailRootControl;
                        drc?.CoreChanged(changedCore);
                    }));
                }

            }
        }

        #endregion

        #region mouse wheel / zooming events

        protected override void OnPreviewMouseWheel(MouseWheelEventArgs e)
        {
            base.OnPreviewMouseWheel(e);
            if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
            {
                this._transform.ScaleX += (e.Delta > 0) ? 0.05 : -0.05;
                this._transform.ScaleY += (e.Delta > 0) ? 0.05 : -0.05;
            }
        }

        protected override void OnPreviewMouseDown(MouseButtonEventArgs e)
        {
            base.OnPreviewMouseDown(e);
            if (e.ChangedButton == MouseButton.Middle)
            {
                if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
                {
                    this._transform.ScaleX = 1.0;
                    this._transform.ScaleY = 1.0;
                }
            }
        }
        #endregion

        #region logon box event handlers

        private void buttonLogin_Click(object sender, RoutedEventArgs e)
        {
            if(this.textPassword.Password.IsNullOrEmpty() || this.textUsername.Text.IsNullOrEmpty())
            {
                this.labelLoginResult.Content = Properties.Resources.textUserNamePasswordEmpty;
                return;
            }

            switch(ReportingParty.Login(this.textUsername.Text, this.textPassword.Password, out this.userEntity))
            {
                case ReportingParty.LogonResult.OK:
                    
                    this.busyIndicator.IsBusy = false;
                    this.labelStatusBar.Text = string.Format("Rep.Party: {0} {1} [{2}]", this.userEntity.FirstName, this.userEntity.LastName, this.userEntity.Logon);
                    App.UserId = this.userEntity.Id;
                    ReportingParty.CurrentReportingParty = this.userEntity;
                    if (this.userEntity.IsAdmin)
                    {
                        this.buttonUserAdmin.Visibility = Visibility.Visible;
                        this.buttonPOListe.Visibility = Visibility.Visible;
                        this.sucheControl.AdminMode = true;                        
                    }                    
                    break;
                case ReportingParty.LogonResult.FAILED:
                    this.labelLoginResult.Content = Properties.Resources.textWrongPassword;
                    failedLogonCount++;
                    break;
                case ReportingParty.LogonResult.USERUKN:
                    this.labelLoginResult.Content = Properties.Resources.textUsernameUnknown;
                    failedLogonCount++;
                    break;
            }

            if (failedLogonCount == 3)
            {
                this.buttonLogin.IsEnabled = false;
                MessageBox.Show(Properties.Resources.textWrongPasswordThreeTimes, Properties.Resources.textCaptionError);
            }
        }        

        private void buttonExit_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }

        #endregion

        #region private methods

        private void UnlockOpenCores()
        {
            try
            {
                // unlock all cores
                foreach (ClosableTabItem tabItem in this.lockedCores.Keys)
                {
                    App.LockingServiceClient.Unlock(lockedCores[tabItem], this.userEntity.Id.Value);
                }
            }
            catch (Exception ex)
            {
                _log.ErrorFormat("LockingService.Unlock: {0}", ex.Message);
            }
        }

        private void UpdateWaitIdLabel()
        {
            if(this.showIdDict.Count == 0)
            {
                this.labelStatusId.Content = "";
            } 
            else            
            {
                this.labelStatusId.Content = string.Format("waiting for {0} id(s)..", this.showIdDict.Count);
            }
        }

        #endregion
        
    }
}