59 lines
2.0 KiB
C#
59 lines
2.0 KiB
C#
using ApplicationServices;
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using Dinah.Core.DataBinding;
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using System;
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using System.ComponentModel;
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using System.Linq;
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using System.Threading;
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using System.Windows.Forms;
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// https://stackoverflow.com/a/32886415
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namespace LibationWinForms
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{
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public class SyncBindingSource : BindingSource
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{
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private SynchronizationContext syncContext { get; }
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public SyncBindingSource() : base()
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=> syncContext = SynchronizationContext.Current;
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public SyncBindingSource(IContainer container) : base(container)
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=> syncContext = SynchronizationContext.Current;
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public SyncBindingSource(object dataSource, string dataMember) : base(dataSource, dataMember)
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=> syncContext = SynchronizationContext.Current;
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public override bool SupportsFiltering => true;
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public override string Filter { get => filterString; set => SetFilter(value); }
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private string filterString;
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private void SetFilter(string searchString)
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{
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if (searchString != filterString)
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RemoveFilter();
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filterString = searchString;
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var searchResults = SearchEngineCommands.Search(searchString);
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var productIds = searchResults.Docs.Select(d => d.ProductId).ToList();
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var allItems = ((SortableBindingList<GridEntry>)DataSource).InnerList;
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var filterList = productIds.Join(allItems, s => s, ge => ge.AudibleProductId, (pid, ge) => ge).ToList();
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((SortableBindingList<GridEntry>)DataSource).SetFilteredItems(filterList);
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}
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public override void RemoveFilter()
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{
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((SortableBindingList<GridEntry>)DataSource).RemoveFilter();
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base.RemoveFilter();
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}
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protected override void OnListChanged(ListChangedEventArgs e)
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{
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if (syncContext is not null)
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syncContext.Send(_ => base.OnListChanged(e), null);
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else
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base.OnListChanged(e);
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}
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}
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}
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