// Copyright (c) 2025- schick Informatik
// Description: Display control of formsheet Tab 10. Dangerous cargo arrival
//

using bsmd.database;
using ENI2.EditControls;
using ENI2.Util;
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Media.Imaging;

namespace ENI2.SheetDisplayControls
{
    /// <summary>
    /// Interaction logic for DangerousCargoArrivalControl.xaml
    /// </summary>
    public partial class DangerousCargoControl : DetailBaseControl
    {

        #region Fields

        private HAZ haza;
        private HAZ hazd;

        private NewDGItemDialog newDGDialog = null;

        #endregion

        #region Construction

        public DangerousCargoControl()
        {
            InitializeComponent();
            Loaded += DangerousCargoArrivalControl_Loaded;
        }

        #endregion

        #region public override

        public override void Initialize()
        {
            base.Initialize();

            foreach (Message aMessage in this.Messages)
            {

                if (aMessage.MessageNotificationClass == Message.NotificationClass.HAZD)
                {
                    this.hazd = aMessage.Elements[0] as HAZ;
                    this.ControlMessages.Add(aMessage);                    
                }
                if (aMessage.MessageNotificationClass == Message.NotificationClass.HAZA)
                {
                    this.haza = aMessage.Elements[0] as HAZ;
                    this.ControlMessages.Add(aMessage);                    
                }

                this.textBlockMessageClass.Text = IsDeparture ? "HAZD" : "HAZA";
            }

            this.comboBoxVesselClass.ItemsSource = GlobalStructures.vesselClasses;

            this.checkBoxDGManifestOnBoard.DataContext = this.IsDeparture ? hazd : haza;
            this.textBoxDGManifestContactFamilyName.DataContext = this.IsDeparture ? hazd : haza;
            this.textBoxDGManifestContactPhone.DataContext = this.IsDeparture ? hazd : haza;
            this.checkBoxMoUBaltic.DataContext = this.IsDeparture ? hazd : haza;
            this.comboBoxVesselClass.DataContext = this.IsDeparture ? hazd : haza;

            #region init grids

            this.dataGridIMDGItems.Initialize();
            this.dataGridIMDGItems.ItemsSource = this.IsDeparture ? this.hazd.IMDGPositions : this.haza.IMDGPositions;
            CollectionView myCollectionView = (CollectionView)CollectionViewSource.GetDefaultView(dataGridIMDGItems.Items);
            ((INotifyCollectionChanged)myCollectionView).CollectionChanged += DangerousGoodsDetailControl_CollectionChanged;
            this.dataGridIMDGItems.CreateRequested += DataGridIMDGItems_CreateRequested;
            this.dataGridIMDGItems.AddingNewItem += DataGridIMDGItems_AddingNewItem;
            this.dataGridIMDGItems.EditRequested += DataGridIMDGItems_EditRequested;
            this.dataGridIMDGItems.DeleteRequested += DataGridIMDGItems_DeleteRequested;

            this.dataGridIBCItems.Initialize();
            this.dataGridIBCItems.ItemsSource = this.IsDeparture ? this.hazd.IBCPositions : this.haza.IBCPositions;
            myCollectionView = (CollectionView)CollectionViewSource.GetDefaultView(dataGridIBCItems.Items);
            ((INotifyCollectionChanged)myCollectionView).CollectionChanged += DangerousGoodsDetailControl_CollectionChanged;
            this.dataGridIBCItems.CreateRequested += DataGridIBCItems_CreateRequested;
            this.dataGridIBCItems.AddingNewItem += DataGridIBCItems_AddingNewItem;
            this.dataGridIBCItems.EditRequested += DataGridIBCItems_EditRequested;
            this.dataGridIBCItems.DeleteRequested += DataGridIBCItems_DeleteRequested;

            this.dataGridIGCItems.Initialize();
            this.dataGridIGCItems.ItemsSource = this.IsDeparture ? this.hazd.IGCPositions : this.haza.IGCPositions;
            ((INotifyCollectionChanged)myCollectionView).CollectionChanged += DangerousGoodsDetailControl_CollectionChanged;
            this.dataGridIGCItems.CreateRequested += DataGridIGCItems_CreateRequested;
            this.dataGridIGCItems.CreateRequested += DataGridIGCItems_CreateRequested;
            this.dataGridIGCItems.AddingNewItem += DataGridIGCItems_AddingNewItem;
            this.dataGridIGCItems.EditRequested += DataGridIGCItems_EditRequested;
            this.dataGridIGCItems.DeleteRequested += DataGridIGCItems_DeleteRequested;

            this.dataGridIMSBCItems.Initialize();
            this.dataGridIMSBCItems.ItemsSource = this.IsDeparture ? this.hazd.IMSBCPositions : this.haza.IMSBCPositions;
            myCollectionView = (CollectionView)CollectionViewSource.GetDefaultView(dataGridIMSBCItems.Items);
            ((INotifyCollectionChanged)myCollectionView).CollectionChanged += DangerousGoodsDetailControl_CollectionChanged;
            this.dataGridIMSBCItems.CreateRequested += DataGridIMSBCItems_CreateRequested;
            this.dataGridIMSBCItems.AddingNewItem += DataGridIMSBCItems_AddingNewItem;
            this.dataGridIMSBCItems.EditRequested += DataGridIMSBCItems_EditRequested;
            this.dataGridIMSBCItems.DeleteRequested += DataGridIMSBCItems_DeleteRequested;

            this.dataGridMARPOLItems.Initialize();
            this.dataGridMARPOLItems.ItemsSource = this.IsDeparture ? this.hazd.MARPOLPositions : this.haza.MARPOLPositions;
            myCollectionView = (CollectionView)CollectionViewSource.GetDefaultView(dataGridMARPOLItems.Items);
            ((INotifyCollectionChanged)myCollectionView).CollectionChanged += DangerousGoodsDetailControl_CollectionChanged;
            this.dataGridMARPOLItems.CreateRequested += DataGridMARPOLItems_CreateRequested;
            this.dataGridMARPOLItems.AddingNewItem += DataGridMARPOLItems_AddingNewItem;
            this.dataGridMARPOLItems.EditRequested += DataGridMARPOLItems_EditRequested;
            this.dataGridMARPOLItems.DeleteRequested += DataGridMARPOLItems_DeleteRequested;

            this.RefreshTabHeaders();

            #endregion

            #region Extra Menüpunkte um Positionen zwischen HAZA / HAZD zu kopieren

            this.dataGridIBCItems.ContextMenu.Items.Add(new Separator());
            MenuItem copyIBCItem = new MenuItem();
            copyIBCItem.Header = string.Format(Properties.Resources.textCopyTo, this.IsDeparture ? "HAZA" : "HAZD");
            copyIBCItem.Icon = new Image { Source = new BitmapImage(new Uri("pack://application:,,,/Resources/documents.png")) };
            copyIBCItem.Click += new RoutedEventHandler(this.copyIBC);
            this.dataGridIBCItems.ContextMenu.Items.Add(copyIBCItem);

            this.dataGridIGCItems.ContextMenu.Items.Add(new Separator());
            MenuItem copyItemIGC = new MenuItem();
            copyItemIGC.Header = string.Format(Properties.Resources.textCopyTo, this.IsDeparture ? "HAZA" : "HAZD");
            copyItemIGC.Icon = new Image { Source = new BitmapImage(new Uri("pack://application:,,,/Resources/documents.png")) };
            copyItemIGC.Click += new RoutedEventHandler(this.copyIGC);
            this.dataGridIGCItems.ContextMenu.Items.Add(copyItemIGC);

            this.dataGridIMDGItems.ContextMenu.Items.Add(new Separator());
            MenuItem copyItemIMDG = new MenuItem();
            copyItemIMDG.Header = string.Format(Properties.Resources.textCopyTo, this.IsDeparture ? "HAZA" : "HAZD");
            copyItemIMDG.Icon = new Image { Source = new BitmapImage(new Uri("pack://application:,,,/Resources/documents.png")) };
            copyItemIMDG.Click += new RoutedEventHandler(this.copyIMDG);
            this.dataGridIMDGItems.ContextMenu.Items.Add(copyItemIMDG);

            this.dataGridIMSBCItems.ContextMenu.Items.Add(new Separator());
            MenuItem copyItemIMSBC = new MenuItem();
            copyItemIMSBC.Header = string.Format(Properties.Resources.textCopyTo, this.IsDeparture ? "HAZA" : "HAZD");
            copyItemIMSBC.Icon = new Image { Source = new BitmapImage(new Uri("pack://application:,,,/Resources/documents.png")) };
            copyItemIMSBC.Click += new RoutedEventHandler(this.copyIMSBC);
            this.dataGridIMSBCItems.ContextMenu.Items.Add(copyItemIMSBC);

            this.dataGridMARPOLItems.ContextMenu.Items.Add(new Separator());
            MenuItem copyItemMARPOL = new MenuItem();
            copyItemMARPOL.Header = string.Format(Properties.Resources.textCopyTo, this.IsDeparture ? "HAZA" : "HAZD");
            copyItemMARPOL.Icon = new Image { Source = new BitmapImage(new Uri("pack://application:,,,/Resources/documents.png")) };
            copyItemMARPOL.Click += new RoutedEventHandler(this.copyMARPOL);
            this.dataGridMARPOLItems.ContextMenu.Items.Add(copyItemMARPOL);

            #endregion         

            this._initialized = true;
        }

        #region SetEnabled

        public override void SetEnabled(bool enabled)
        {
            this.dangerousCargoGroupBox.IsEnabled = enabled;
            this.dataGridIBCItems.IsEnabled = enabled;
            // this.checkBoxDangerousGoodsOnBoard.IsEnabled = enabled;
            this.checkBoxDGManifestOnBoard.IsEnabled = enabled;
            this.checkBoxMoUBaltic.IsEnabled = enabled;
            this.dataGridIBCItems.IsEnabled = enabled;
            this.dataGridIMDGItems.IsEnabled = enabled;
            this.dataGridIGCItems.IsEnabled = enabled;
            this.dataGridIMSBCItems.IsEnabled = enabled;
            this.dataGridMARPOLItems.IsEnabled = enabled;
        }

        #endregion

        #endregion

        #region Properties

        public bool IsDeparture { get; set; }

        #endregion

        #region event handler

        private void DangerousCargoArrivalControl_Loaded(object sender, RoutedEventArgs e)
        {
            // this.RegisterCheckboxChange(this.checkBoxDangerousGoodsOnBoard, this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            this.RegisterCheckboxChange(this.checkBoxDGManifestOnBoard, this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            this.RegisterCheckboxChange(this.checkBoxMoUBaltic, this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            this.RegisterComboboxIndexChange(this.comboBoxVesselClass, this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            this.RegisterTextboxChange(this.textBoxDGManifestContactFamilyName, this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            this.RegisterTextboxChange(this.textBoxDGManifestContactPhone, this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);

            if(this.IsDeparture)
            {
                this.dangerousCargoGroupBox.Header = Properties.Resources.text11DangerousCargoDeparture;
                this.textBlock101.Text = Properties.Resources.text111General;
                this.textBlock102.Text = Properties.Resources.text112IBCData;
                this.textBlock103.Text = Properties.Resources.text113IGCData;
                this.textBlock104.Text = Properties.Resources.text114IMSBCData;
                this.textBlock105.Text = Properties.Resources.text115MARPOLData;
                this.textBlock106.Text = Properties.Resources.text116IMDGData;
            }
        }

        private void DangerousGoodsDetailControl_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
        {
            this.RefreshTabHeaders();
        }

        #endregion

        #region Copy event handler

        private void copyMARPOL(object sender, RoutedEventArgs e)
        {
            // aus dem aktuell selektierten MARPOL Element ein neues MARPOL Element machen und nach HAZD kopieren
            if (this.dataGridMARPOLItems.SelectedItems != null)
            {
                HAZ target_haz = this.IsDeparture ? this.haza : this.hazd;
                foreach (MARPOL_Annex_I_Position selectedMARPOL in this.dataGridMARPOLItems.SelectedItems)
                {
                    MARPOL_Annex_I_Position copyMARPOL = new MARPOL_Annex_I_Position();
                    copyMARPOL.MessageHeader = target_haz.MessageHeader;
                    copyMARPOL.HAZ = target_haz;
                    copyMARPOL.CopyFromMARPOL(selectedMARPOL);
                    copyMARPOL.Identifier = DatabaseEntity.GetNewIdentifier(target_haz.MARPOLPositions, "MARPOL-");
                    target_haz.MARPOLPositions.Add(copyMARPOL);
                    target_haz.NoDPGOnBoardOnArrival = false;
                    this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZA : Message.NotificationClass.HAZD);
                    this.OnControlCacheReset(this.IsDeparture ? Properties.Resources.textDGArrival : Properties.Resources.textDGDeparture);
                }
            }
        }

        private void copyIMSBC(object sender, RoutedEventArgs e)
        {
            // aus dem aktuell selektierten IMBSC Element ein neues IMBSC Element machen und nach HAZD kopieren
            if (this.dataGridIMSBCItems.SelectedItems != null)
            {
                HAZ target_haz = this.IsDeparture ? this.haza : this.hazd;
                foreach (IMSBCPosition selectedIMSBC in this.dataGridIMSBCItems.SelectedItems)
                {
                    IMSBCPosition copyIMSBC = new IMSBCPosition();
                    copyIMSBC.MessageHeader = target_haz.MessageHeader;
                    copyIMSBC.HAZ = target_haz;
                    copyIMSBC.CopyFromIMSBC(selectedIMSBC);
                    copyIMSBC.Identifier = DatabaseEntity.GetNewIdentifier(target_haz.IMSBCPositions, "IMSBC-");
                    target_haz.IMSBCPositions.Add(copyIMSBC);
                    target_haz.NoDPGOnBoardOnArrival = false;
                    this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZA : Message.NotificationClass.HAZD);
                    this.OnControlCacheReset(this.IsDeparture ? Properties.Resources.textDGArrival : Properties.Resources.textDGDeparture);
                }
            }
        }

        private void copyIMDG(object sender, RoutedEventArgs e)
        {
            // aus dem aktuell selektierten IMDG Element ein neues IMDG Element machen und nach HAZD kopieren
            if (this.dataGridIMDGItems.SelectedItems != null)
            {
                HAZ target_haz = this.IsDeparture ? this.haza : this.hazd;
                foreach (IMDGPosition selectedIMDG in this.dataGridIMDGItems.SelectedItems)
                {
                    IMDGPosition copyIMDG = new IMDGPosition();
                    copyIMDG.MessageHeader = target_haz.MessageHeader;
                    copyIMDG.HAZ = target_haz;
                    copyIMDG.CopyFromIMDG(selectedIMDG);
                    copyIMDG.Identifier = DatabaseEntity.GetNewIdentifier(target_haz.IMDGPositions, "IMDG-");
                    target_haz.IMDGPositions.Add(copyIMDG);
                    target_haz.NoDPGOnBoardOnArrival = false;
                    this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZA : Message.NotificationClass.HAZD);
                    this.OnControlCacheReset(this.IsDeparture ? Properties.Resources.textDGArrival : Properties.Resources.textDGDeparture);
                }
            }
        }

        private void copyIGC(object sender, RoutedEventArgs e)
        {
            // aus dem aktuell selektierten IGC Element ein neues IGC Element machen und nach HAZD kopieren
            if (this.dataGridIGCItems.SelectedItems != null)
            {
                HAZ target_haz = this.IsDeparture ? this.haza : this.hazd;
                foreach (IGCPosition selectedIGC in this.dataGridIGCItems.SelectedItems)
                {
                    IGCPosition copyIGC = new IGCPosition();
                    copyIGC.MessageHeader = target_haz.MessageHeader;
                    copyIGC.HAZ = target_haz;
                    copyIGC.CopyFromIGC(selectedIGC);
                    copyIGC.Identifier = DatabaseEntity.GetNewIdentifier(target_haz.IGCPositions, "IGC-");
                    target_haz.IGCPositions.Add(copyIGC);
                    target_haz.NoDPGOnBoardOnArrival = false;
                    this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZA : Message.NotificationClass.HAZD);
                    this.OnControlCacheReset(this.IsDeparture ? Properties.Resources.textDGArrival : Properties.Resources.textDGDeparture);
                }
            }
        }

        private void copyIBC(object sender, RoutedEventArgs e)
        {
            // aus dem aktuell selektierten IBC Element ein neues IBC Element machen und nach HAZD kopieren
            if (this.dataGridIBCItems.SelectedItems != null)
            {
                HAZ target_haz = this.IsDeparture ? this.haza : this.hazd;
                foreach (IBCPosition selectedIBC in this.dataGridIBCItems.SelectedItems)
                {
                    if (selectedIBC != null)
                    {
                        IBCPosition copyIBC = new IBCPosition();
                        copyIBC.MessageHeader = target_haz.MessageHeader;
                        copyIBC.HAZ = target_haz;
                        copyIBC.CopyFromIBC(selectedIBC);
                        copyIBC.Identifier = DatabaseEntity.GetNewIdentifier(target_haz.IBCPositions, "IBC-");
                        target_haz.IBCPositions.Add(copyIBC);
                        target_haz.NoDPGOnBoardOnArrival = false;
                        this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZA : Message.NotificationClass.HAZD);
                        this.OnControlCacheReset(this.IsDeparture ? Properties.Resources.textDGArrival : Properties.Resources.textDGDeparture);
                    }
                }
            }
        }

        #endregion

        #region new sublist item button handler

        private void buttonNewItem_Click(object sender, RoutedEventArgs e)
        {
            if (newDGDialog != null)
            {
                newDGDialog.Activate();
            }
            else
            {
                newDGDialog = new NewDGItemDialog();
                newDGDialog.Closed += NewDGDialog_Closed;
                newDGDialog.OKClicked += NewDGDialog_OKClicked;
                newDGDialog.AddClicked += NewDGDialog_OKClicked;
                newDGDialog.Show();
            }
        }

        private void NewDGDialog_Closed(object sender, EventArgs e)
        {
            newDGDialog = null;
        }

        private void NewDGDialog_OKClicked()
        {
            HAZ haz = this.IsDeparture ? hazd : haza;

            HAZPosTemplate selectedTemplate = this.newDGDialog.SelectedTemplate;

            if (selectedTemplate != null)
            {
                // create new DG position based on template
                switch (selectedTemplate.TemplateType)
                {
                    case HAZPosTemplate.SublistType.IBC:                        
                        IBCPosition ibcPos = new IBCPosition();
                        ibcPos.FlashpointInformation = selectedTemplate.Flashpoint;
                        ibcPos.Flashpoint_CEL = selectedTemplate.FP_IBC;
                        ibcPos.SpecRef15_19 = selectedTemplate.SpecRef15_19;
                        ibcPos.Hazards = selectedTemplate.Hazard;
                        ibcPos.Identifier = DatabaseEntity.GetNewIdentifier(haz.IBCPositions, "IBC-");
                        ibcPos.PollutionCategory = selectedTemplate.PollutionCategory;
                        ibcPos.HAZ = haz;
                        haz.IBCPositions.Add(ibcPos);
                        this.dataGridIBCItems.Items.Refresh();
                        this.DataGridIBCItems_EditRequested(ibcPos);
                        break;
                    case HAZPosTemplate.SublistType.IGC:                        
                        IGCPosition igcPos = new IGCPosition();
                        igcPos.Identifier = DatabaseEntity.GetNewIdentifier(haz.IGCPositions, "IGC-");
                        igcPos.UNNumber = selectedTemplate.UNNr;
                        igcPos.IMOClass = selectedTemplate.IMOClass;
                        igcPos.HAZ = haz;
                        haz.IGCPositions.Add(igcPos);
                        this.dataGridIGCItems.Items.Refresh();
                        this.DataGridIGCItems_EditRequested(igcPos);
                        break;
                    case HAZPosTemplate.SublistType.IMSBC:                        
                        IMSBCPosition imsbcPos = new IMSBCPosition();
                        imsbcPos.Identifier = DatabaseEntity.GetNewIdentifier(haz.IMSBCPositions, "IMSBC-");
                        imsbcPos.IMOHazardClass = selectedTemplate.IMSBC_HAZ;
                        imsbcPos.UNNumber = selectedTemplate.UNNr;
                        imsbcPos.IMOClass = selectedTemplate.IMOClass;
                        imsbcPos.MHB = selectedTemplate.MHB ?? false;
                        imsbcPos.HAZ = haz;
                        haz.IMSBCPositions.Add(imsbcPos);
                        this.dataGridIMSBCItems.Items.Refresh();
                        this.DataGridIMSBCItems_EditRequested(imsbcPos);
                        break;
                    case HAZPosTemplate.SublistType.MARPOL:                        
                        MARPOL_Annex_I_Position marpolPos = new MARPOL_Annex_I_Position();
                        marpolPos.FlashpointInformation = selectedTemplate.Flashpoint;
                        marpolPos.Identifier = DatabaseEntity.GetNewIdentifier(haz.MARPOLPositions, "MARPOL-");
                        marpolPos.HAZ = haz;
                        haz.MARPOLPositions.Add(marpolPos);
                        this.dataGridMARPOLItems.Items.Refresh();
                        this.DataGridMARPOLItems_EditRequested(marpolPos);
                        break;
                }
                this.SetHAZGlobalFlags();
            }
        }

        #endregion

        #region MARPOL datagrid handlers

        private void DataGridMARPOLItems_DeleteRequested(DatabaseEntity obj)
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            if (obj is MARPOL_Annex_I_Position marpol)
            {
                // are you sure dialog is in base class
                DBManager.GetSingleCon(Properties.Settings.Default.ConnectionString).Delete(marpol);
                haz.MARPOLPositions.Remove(marpol);
                DatabaseEntity.ResetIdentifiers(new List<DatabaseEntity>(haz.MARPOLPositions));
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.dataGridMARPOLItems.Items.Refresh();
            }
        }

        private void DataGridMARPOLItems_EditRequested(DatabaseEntity obj)
        {
            EditMarpolDialog eld = new EditMarpolDialog();
            eld.MARPOL = obj as MARPOL_Annex_I_Position;
            HAZ haz = this.IsDeparture ? hazd : haza;

            eld.AddClicked += () =>
            {
                eld.CopyValuesToEntity();
                if (!haz.MARPOLPositions.Contains(eld.MARPOL))
                    haz.MARPOLPositions.Add(eld.MARPOL);
                this.dataGridMARPOLItems.Items.Refresh();
                eld.MARPOL = new MARPOL_Annex_I_Position();
                eld.Identifier = DatabaseEntity.GetNewIdentifier(haz.MARPOLPositions, "MARPOL-");
                eld.MARPOL.HAZ = haz;
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            };

            if (eld.ShowDialog() ?? false)
            {
                if (!haz.MARPOLPositions.Contains(eld.MARPOL))
                    haz.MARPOLPositions.Add(eld.MARPOL);
                this.dataGridMARPOLItems.Items.Refresh();
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            }

        }

        private void DataGridMARPOLItems_AddingNewItem(object sender, System.Windows.Controls.AddingNewItemEventArgs e)
        {
            this.DataGridMARPOLItems_CreateRequested();
        }

        private void DataGridMARPOLItems_CreateRequested()
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            EditMarpolDialog ebd = new EditMarpolDialog();
            ebd.MARPOL = new MARPOL_Annex_I_Position();
            ebd.MARPOL.Identifier = DatabaseEntity.GetNewIdentifier(haz.MARPOLPositions, "MARPOL-");
            ebd.MARPOL.HAZ = haz;

            ebd.AddClicked += () =>
            {
                ebd.CopyValuesToEntity();
                if (!haz.MARPOLPositions.Contains(ebd.MARPOL))
                    haz.MARPOLPositions.Add(ebd.MARPOL);
                this.dataGridMARPOLItems.Items.Refresh();
                ebd.MARPOL = new MARPOL_Annex_I_Position();
                ebd.MARPOL.HAZ = haz;
                ebd.Identifier = DatabaseEntity.GetNewIdentifier(haz.MARPOLPositions, "MARPOL-");
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            };

            if (ebd.ShowDialog() ?? false)
            {
                if (!haz.MARPOLPositions.Contains(ebd.MARPOL))
                    haz.MARPOLPositions.Add(ebd.MARPOL);
                this.dataGridMARPOLItems.Items.Refresh();
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            }
        }

        #endregion

        #region IMSBC datagrid handlers

        private void DataGridIMSBCItems_DeleteRequested(DatabaseEntity obj)
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            if (obj is IMSBCPosition imsbc)
            {
                // are you sure dialog is in base class
                DBManager.GetSingleCon(Properties.Settings.Default.ConnectionString).Delete(imsbc);
                haz.IMSBCPositions.Remove(imsbc);
                DatabaseEntity.ResetIdentifiers(new List<DatabaseEntity>(haz.IMSBCPositions));
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.dataGridIMSBCItems.Items.Refresh();
            }
        }

        private void DataGridIMSBCItems_EditRequested(DatabaseEntity obj)
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            EditIMSBCDialog eld = new EditIMSBCDialog();
            eld.IMSBC = obj as IMSBCPosition;

            eld.AddClicked += () =>
            {
                eld.CopyValuesToEntity();
                if (!haz.IMSBCPositions.Contains(eld.IMSBC))
                    haz.IMSBCPositions.Add(eld.IMSBC);
                this.dataGridIMSBCItems.Items.Refresh();
                eld.IMSBC = new IMSBCPosition();
                eld.Identifier = DatabaseEntity.GetNewIdentifier(haz.IMSBCPositions, "IMSBC-");
                eld.IMSBC.HAZ = haz;
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            };

            if (eld.ShowDialog() ?? false)
            {
                if (!haz.IMSBCPositions.Contains(eld.IMSBC))
                    haz.IMSBCPositions.Add(eld.IMSBC);
                this.dataGridIMSBCItems.Items.Refresh();
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            }
        }

        private void DataGridIMSBCItems_AddingNewItem(object sender, System.Windows.Controls.AddingNewItemEventArgs e)
        {
            this.DataGridIMSBCItems_CreateRequested();
        }

        private void DataGridIMSBCItems_CreateRequested()
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            EditIMSBCDialog ebd = new EditIMSBCDialog();
            ebd.IMSBC = new IMSBCPosition();
            ebd.IMSBC.Identifier = DatabaseEntity.GetNewIdentifier(haz.IMSBCPositions, "IMSBC-");
            ebd.IMSBC.HAZ = haz;

            ebd.AddClicked += () =>
            {
                ebd.CopyValuesToEntity();
                if (!haz.IMSBCPositions.Contains(ebd.IMSBC))
                    haz.IMSBCPositions.Add(ebd.IMSBC);
                this.dataGridIMSBCItems.Items.Refresh();
                ebd.IMSBC = new IMSBCPosition();
                ebd.IMSBC.HAZ = haz;
                ebd.Identifier = DatabaseEntity.GetNewIdentifier(haz.IMSBCPositions, "IMSBC-");
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            };

            if (ebd.ShowDialog() ?? false)
            {
                if (!haz.IMSBCPositions.Contains(ebd.IMSBC))
                    haz.IMSBCPositions.Add(ebd.IMSBC);
                this.dataGridIMSBCItems.Items.Refresh();
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            }
        }

        #endregion

        #region IGC datagrid handlers

        private void DataGridIGCItems_DeleteRequested(DatabaseEntity obj)
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            if (obj is IGCPosition igc)
            {
                // are you sure dialog is in base class
                DBManager.GetSingleCon(Properties.Settings.Default.ConnectionString).Delete(igc);
                haz.IGCPositions.Remove(igc);
                DatabaseEntity.ResetIdentifiers(new List<DatabaseEntity>(haz.IGCPositions));
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.dataGridIGCItems.Items.Refresh();
            }
        }

        private void DataGridIGCItems_EditRequested(DatabaseEntity obj)
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            EditIGCDialog eld = new EditIGCDialog();
            eld.IGC = obj as IGCPosition;

            eld.AddClicked += () =>
            {
                eld.CopyValuesToEntity();
                if (!haz.IGCPositions.Contains(eld.IGC))
                    haz.IGCPositions.Add(eld.IGC);
                this.dataGridIGCItems.Items.Refresh();
                eld.IGC = new IGCPosition();
                eld.Identifier = DatabaseEntity.GetNewIdentifier(haz.IGCPositions, "IGC-");
                eld.IGC.HAZ = haz;
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            };

            if (eld.ShowDialog() ?? false)
            {
                if (!haz.IGCPositions.Contains(eld.IGC))
                    haz.IGCPositions.Add(eld.IGC);
                this.dataGridIGCItems.Items.Refresh();
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            }
        }

        private void DataGridIGCItems_AddingNewItem(object sender, System.Windows.Controls.AddingNewItemEventArgs e)
        {
            this.DataGridIGCItems_CreateRequested();
        }

        private void DataGridIGCItems_CreateRequested()
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            EditIGCDialog ebd = new EditIGCDialog();
            ebd.IGC = new IGCPosition();
            ebd.IGC.Identifier = DatabaseEntity.GetNewIdentifier(haz.IGCPositions, "IGC-");
            ebd.IGC.HAZ = haz;

            ebd.AddClicked += () =>
            {
                ebd.CopyValuesToEntity();
                if (!haz.IGCPositions.Contains(ebd.IGC))
                    haz.IGCPositions.Add(ebd.IGC);
                this.dataGridIGCItems.Items.Refresh();
                ebd.IGC = new IGCPosition();
                ebd.IGC.HAZ = haz;
                ebd.Identifier = DatabaseEntity.GetNewIdentifier(haz.IGCPositions, "IGC-");
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            };

            if (ebd.ShowDialog() ?? false)
            {
                if (!haz.IGCPositions.Contains(ebd.IGC))
                    haz.IGCPositions.Add(ebd.IGC);
                this.dataGridIGCItems.Items.Refresh();
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            }
        }

        #endregion

        #region IBC datagrid handlers

        private void DataGridIBCItems_DeleteRequested(DatabaseEntity obj)
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            if (obj is IBCPosition ibc)
            {
                // are you sure dialog is in base class
                DBManager.GetSingleCon(Properties.Settings.Default.ConnectionString).Delete(ibc);
                haz.IBCPositions.Remove(ibc);
                DatabaseEntity.ResetIdentifiers(new List<DatabaseEntity>(haz.IBCPositions));
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.dataGridIBCItems.Items.Refresh();
            }
        }

        private void DataGridIBCItems_EditRequested(DatabaseEntity obj)
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            EditIBCDialog eld = new EditIBCDialog();
            eld.IBC = obj as IBCPosition;

            eld.AddClicked += () =>
            {
                eld.CopyValuesToEntity();
                if (!haz.IBCPositions.Contains(eld.IBC))
                    haz.IBCPositions.Add(eld.IBC);
                this.dataGridIBCItems.Items.Refresh();
                eld.IBC = new IBCPosition();
                eld.Identifier = DatabaseEntity.GetNewIdentifier(haz.IBCPositions, "IBC-");
                eld.IBC.HAZ = haz;
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            };

            if (eld.ShowDialog() ?? false)
            {
                if (!haz.IBCPositions.Contains(eld.IBC))
                    haz.IBCPositions.Add(eld.IBC);
                this.dataGridIBCItems.Items.Refresh();
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            }
        }

        private void DataGridIBCItems_AddingNewItem(object sender, System.Windows.Controls.AddingNewItemEventArgs e)
        {
            this.DataGridIBCItems_CreateRequested();
        }

        private void DataGridIBCItems_CreateRequested()
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            EditIBCDialog ebd = new EditIBCDialog();
            ebd.IBC = new IBCPosition();
            ebd.IBC.Identifier = DatabaseEntity.GetNewIdentifier(haz.IBCPositions, "IBC-");
            ebd.IBC.HAZ = haz;

            ebd.AddClicked += () =>
            {
                ebd.CopyValuesToEntity();
                if (!haz.IBCPositions.Contains(ebd.IBC))
                    haz.IBCPositions.Add(ebd.IBC);
                this.dataGridIBCItems.Items.Refresh();
                ebd.IBC = new IBCPosition();
                ebd.IBC.HAZ = haz;
                ebd.Identifier = DatabaseEntity.GetNewIdentifier(haz.IBCPositions, "IBC-");
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            };

            if (ebd.ShowDialog() ?? false)
            {
                if (!haz.IBCPositions.Contains(ebd.IBC))
                    haz.IBCPositions.Add(ebd.IBC);
                this.dataGridIBCItems.Items.Refresh();
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            }
        }

        #endregion

        #region IMDG datagrid handlers

        private void DataGridIMDGItems_DeleteRequested(DatabaseEntity obj)
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            if (obj is IMDGPosition imdg)
            {
                // are you sure dialog is in base class
                DBManager.GetSingleCon(Properties.Settings.Default.ConnectionString).Delete(imdg);
                haz.IMDGPositions.Remove(imdg);
                DatabaseEntity.ResetIdentifiers(new List<DatabaseEntity>(haz.IMDGPositions));
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.dataGridIMDGItems.Items.Refresh();
            }
        }

        private void DataGridIMDGItems_EditRequested(DatabaseEntity obj)
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            EditIMDGDialog eld = new EditIMDGDialog();
            eld.IMDG = obj as IMDGPosition;

            eld.AddClicked += () =>
            {
                eld.CopyValuesToEntity();
                if (!haz.IMDGPositions.Contains(eld.IMDG))
                    haz.IMDGPositions.Add(eld.IMDG);
                this.dataGridIMDGItems.Items.Refresh();
                eld.IMDG = new IMDGPosition();
                eld.Identifier = DatabaseEntity.GetNewIdentifier(haz.IMDGPositions, "IMDG-");
                eld.IMDG.HAZ = haz;
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            };

            if (eld.ShowDialog() ?? false)
            {
                if (!haz.IMDGPositions.Contains(eld.IMDG))
                    haz.IMDGPositions.Add(eld.IMDG);
                this.dataGridIMDGItems.Items.Refresh();
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            }
        }

        private void DataGridIMDGItems_AddingNewItem(object sender, System.Windows.Controls.AddingNewItemEventArgs e)
        {
            this.DataGridIMDGItems_CreateRequested();
        }

        private void DataGridIMDGItems_CreateRequested()
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            EditIMDGDialog ebd = new EditIMDGDialog();
            ebd.IMDG = new IMDGPosition();
            ebd.IMDG.Identifier = DatabaseEntity.GetNewIdentifier(haz.IMDGPositions, "IMDG-");
            ebd.IMDG.HAZ = haz;

            ebd.AddClicked += () =>
            {
                ebd.CopyValuesToEntity();
                if (!haz.IMDGPositions.Contains(ebd.IMDG))
                    haz.IMDGPositions.Add(ebd.IMDG);
                this.dataGridIMDGItems.Items.Refresh();
                ebd.IMDG = new IMDGPosition();
                ebd.IMDG.HAZ = haz;
                ebd.Identifier = DatabaseEntity.GetNewIdentifier(haz.IMDGPositions, "IMDG-");
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
            };

            if (ebd.ShowDialog() ?? false)
            {
                if (!haz.IMDGPositions.Contains(ebd.IMDG))
                    haz.IMDGPositions.Add(ebd.IMDG);
                this.dataGridIMDGItems.Items.Refresh();
                this.SublistElementChanged(this.IsDeparture ? Message.NotificationClass.HAZD : Message.NotificationClass.HAZA);
                this.SetHAZGlobalFlags();
            }
        }

        #endregion

        #region private methods

        /// <summary>
        /// Beim Hinzufügen der allerersten Gefahrgutposition sollen die Flags vorbelegt werden
        /// </summary>
        void SetHAZGlobalFlags()
        {
            HAZ haz = this.IsDeparture ? this.hazd : this.haza;

            int totalCount = haz.MARPOLPositions.Count + haz.IMDGPositions.Count + haz.IGCPositions.Count + haz.IBCPositions.Count + haz.IMSBCPositions.Count;
            if (totalCount == 1)
            {
                // if (!(this.checkBoxDangerousGoodsOnBoard.IsChecked ?? false)) this.checkBoxDangerousGoodsOnBoard.IsChecked = true;
                if (this.checkBoxMoUBaltic.IsChecked ?? true) this.checkBoxMoUBaltic.IsChecked = false;
                haz.NoDPGOnBoardOnArrival = false;
                haz.MOUBaltic = false;
            }
        }

        /// <summary>
        /// The tab headers include an info on how many DG items there are
        /// </summary>
        private void RefreshTabHeaders()
        {
            HAZ haz = this.IsDeparture ? hazd : haza;
            if (haz.IMDGPositions.Count > 0)
                this.tabIMDGItems.Header = string.Format("{0} ({1})", Properties.Resources.textIMDGItems, haz.IMDGPositions.Count);
            else
                this.tabIMDGItems.Header = Properties.Resources.textIMDGItems;

            if (haz.IBCPositions.Count > 0)
                this.tabIBCItems.Header = string.Format("{0} ({1})", Properties.Resources.textIBCItems, haz.IBCPositions.Count);
            else
                this.tabIBCItems.Header = Properties.Resources.textIBCItems;

            if (haz.IGCPositions.Count > 0)
                this.tabIGCItems.Header = string.Format("{0} ({1})", Properties.Resources.textIGCItems, haz.IGCPositions.Count);
            else
                this.tabIGCItems.Header = Properties.Resources.textIGCItems;

            if (haz.IMSBCPositions.Count > 0)
                this.tabIMSBCItems.Header = string.Format("{0} ({1})", Properties.Resources.textIMSBCItems, haz.IMSBCPositions.Count);
            else
                this.tabIMSBCItems.Header = Properties.Resources.textIMSBCItems;

            if (haz.MARPOLPositions.Count > 0)
                this.tabMARPOLItems.Header = string.Format("{0} ({1})", Properties.Resources.textMARPOLItems, haz.MARPOLPositions.Count);
            else
                this.tabMARPOLItems.Header = Properties.Resources.textMARPOLItems;
        }

        #endregion

    }
}