prs/prs.desktop/Panels/StockSummary/StockSummaryProductGroupTree.cs

using Comal.Classes;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.WPF;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media.Imaging;

namespace PRSDesktop;

public class StockSummaryProductGroupTree : DynamicSelectorGrid<ProductGroup>, ISpecificGrid
{
    public StockSummaryProductGroupTree() : base(DynamicActionColumnPosition.End)
    {
        ColumnsTag = "StockSummaryProductGroupSelector";
    }

    public override DynamicGridColumns GenerateColumns()
    {
        var columns = new DynamicGridColumns();
        columns.Add<ProductGroup, string>(x => x.Description, 0, "Description", "", Alignment.MiddleLeft);
        return columns;
    }

    public IEnumerable<Guid> GetSelectedGroups(bool recursive) => 
        recursive
            ? SelectedIDs.SelectMany(x => UIComponent.GetChildren(x).Select(x => x.Get<ProductGroup, Guid>(x => x.ID)))
            : SelectedIDs;

    private DynamicGridTreeUIComponent<ProductGroup>? _uiComponent;
    private DynamicGridTreeUIComponent<ProductGroup> UIComponent
    {
        get
        {
            if(_uiComponent is null)
            {
                _uiComponent = new DynamicGridTreeUIComponent<ProductGroup>(
                    x => x.ID,
                    x => x.Parent.ID)
                {
                    Parent = this,
                    ExpandMode = DynamicTreeGridExpandMode.All
                };
            }
            return _uiComponent;
        }
    }
    protected override IDynamicGridUIComponent<ProductGroup> CreateUIComponent()
    {
        return UIComponent;
    }
}