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Grid refresh performance and behavior improvements

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This commit is contained in:
Mbucari 2023-04-11 11:42:12 -06:00
parent 1a95f2923b
commit 82fba7e752
3 changed files with 24 additions and 4 deletions
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4
Source/LibationUiBase/GridView/QueryExtensions.cs
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@ -53,10 +53,10 @@ namespace LibationUiBase.GridView
var searchResultSet = SearchEngineCommands.Search(searchString);
var booksFilteredIn = entries.BookEntries().Join(searchResultSet.Docs, lbe => lbe.AudibleProductId, d => d.ProductId, (lbe, d) => (IGridEntry)lbe);
var booksFilteredIn = entries.IntersectBy(searchResultSet.Docs.Select(d => d.ProductId), l => l.AudibleProductId);
//Find all series containing children that match the search criteria
var seriesFilteredIn = entries.SeriesEntries().Where(s => s.Children.Join(searchResultSet.Docs, lbe => lbe.AudibleProductId, d => d.ProductId, (lbe, d) => lbe).Any());
var seriesFilteredIn = booksFilteredIn.OfType<ILibraryBookEntry>().Where(lbe => lbe.Parent is not null).Select(lbe => lbe.Parent).Distinct();
return booksFilteredIn.Concat(seriesFilteredIn).ToHashSet();
}

15
Source/LibationWinForms/GridView/GridEntryBindingList.cs
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@ -97,6 +97,9 @@ namespace LibationWinForms.GridView
/// </summary>
private void refreshEntries()
{
var priorState = RaiseListChangedEvents;
RaiseListChangedEvents = false;
if (FilteredInGridEntries is null)
{
addRemovedItemsBack(FilterRemoved.ToList());
@ -117,7 +120,8 @@ namespace LibationWinForms.GridView
SortInternal();
OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
ResetList();
RaiseListChangedEvents = priorState;
void addRemovedItemsBack(List<IGridEntry> addBackEntries)
{
@ -200,7 +204,7 @@ namespace LibationWinForms.GridView
propertyDescriptor = property;
isSorted = true;
OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
ResetList();
}
private void SortInternal()
@ -224,8 +228,15 @@ namespace LibationWinForms.GridView
isSorted = false;
propertyDescriptor = base.SortPropertyCore;
Comparer.SortOrder = base.SortDirectionCore;
ResetList();
}
private void ResetList()
{
var priorState = RaiseListChangedEvents;
RaiseListChangedEvents = true;
OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
RaiseListChangedEvents = priorState;
}
}
}

9
Source/LibationWinForms/GridView/ProductsGrid.cs
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@ -189,6 +189,9 @@ namespace LibationWinForms.GridView
internal void UpdateGrid(List<LibraryBook> dbBooks)
{
//First row that is in view in the DataGridView
var topRow = gridEntryDataGridView.Rows.Cast<DataGridViewRow>().FirstOrDefault(r => r.Displayed)?.Index ?? 0;
#region Add new or update existing grid entries
//Remove filter prior to adding/updating boooks
@ -201,6 +204,7 @@ namespace LibationWinForms.GridView
var seriesEntries = bindingList.AllItems().SeriesEntries().ToList();
var parentedEpisodes = dbBooks.ParentedEpisodes().ToHashSet();
bindingList.RaiseListChangedEvents = false;
foreach (var libraryBook in dbBooks.OrderBy(e => e.DateAdded))
{
var existingEntry = allEntries.FindByAsin(libraryBook.Book.AudibleProductId);
@ -216,8 +220,11 @@ namespace LibationWinForms.GridView
AddOrUpdateEpisode(libraryBook, existingEntry, seriesEntries, dbBooks);
}
}
bindingList.RaiseListChangedEvents = true;
//Re-apply filter after adding new/updating existing books to capture any changes
//The Filter call also ensures that the binding list is reset so the DataGridView
//is made aware of all changes that were made while RaiseListChangedEvents was false
Filter(existingFilter);
#endregion
@ -231,6 +238,8 @@ namespace LibationWinForms.GridView
.ExceptBy(dbBooks.Select(lb => lb.Book.AudibleProductId), ge => ge.AudibleProductId);
RemoveBooks(removedBooks);
gridEntryDataGridView.FirstDisplayedScrollingRowIndex = topRow;
}
public void RemoveBooks(IEnumerable<ILibraryBookEntry> removedBooks)