prs/prs.desktop/Panels/Customers/CustomerInvoiceDeliveryItem.cs

using System;
using System.Windows;
using Comal.Classes;
using InABox.Core;
using InABox.DynamicGrid;

namespace PRSDesktop
{
    internal class CustomerInvoiceDeliveryItem : DynamicOneToManyGrid<Invoice, DeliveryItem>
    {
        protected override void DoAdd()
        {
            var invoice = Item;
            if (!invoice.JobLink.IsValid())
            {
                MessageBox.Show("Please select a job first!");
                return;
            }

            var dialog = new MultiSelectDialog<DeliveryItem>(
                new Filter<DeliveryItem>(x => x.InvoiceLink).NotLinkValid().And(x => x.JobLink.ID).IsEqualTo(invoice.JobLink.ID)
                , new Columns<DeliveryItem>(x => x.Title, x => x.Description) //new System.Linq.Expressions.Expression<Func<DeliveryItem, object>>[] { x => x.Title, x => x.Description }
            );
            if (dialog.ShowDialog())
            {
                var items = dialog.Items();
                foreach (var item in items)
                {
                    item.InvoiceLink.ID = invoice.ID;
                    SaveItem(item);
                }

                Refresh(false, true);
            }
        }

        protected override void DeleteItems(params CoreRow[] rows)
        {
            foreach (var row in rows)
            {
                var item = row.ToObject<DeliveryItem>();
                item.InvoiceLink.ID = Guid.Empty;
                SaveItem(item);
            }
        }
    }
}