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Fix performance issues, esp regarding saving tags

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This commit is contained in:
Robert McRackan 2019-11-18 14:37:17 -05:00
parent 6734dec55c
commit f3128b562d
12 changed files with 142 additions and 176 deletions
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46
LibationWinForm/UNTESTED/ProductsGrid.cs
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@ -27,10 +27,15 @@ namespace LibationWinForm
public event EventHandler<int> VisibleCountChanged;
private DataGridView dataGridView;
private LibationContext context;
public ProductsGrid() => InitializeComponent();
public ProductsGrid()
{
InitializeComponent();
Disposed += (_, __) => { if (context != null) context.Dispose(); };
}
private bool hasBeenDisplayed = false;
private bool hasBeenDisplayed = false;
public void Display()
{
if (hasBeenDisplayed)
@ -87,10 +92,11 @@ namespace LibationWinForm
}
//
// transform into sorted GridEntry.s BEFORE binding
//
var lib = LibraryQueries.GetLibrary_Flat_NoTracking();
//
// transform into sorted GridEntry.s BEFORE binding
//
context = LibationContext.Create();
var lib = context.GetLibrary_Flat_WithTracking();
// if no data. hide all columns. return
if (!lib.Any())
@ -174,8 +180,8 @@ namespace LibationWinForm
if (editTagsForm.ShowDialog() != DialogResult.OK)
return;
var qtyChanges = saveChangedTags(liveGridEntry.GetBook(), editTagsForm.NewTags);
if (qtyChanges == 0)
var qtyChanges = context.UpdateTags(liveGridEntry.GetBook(), editTagsForm.NewTags);
if (qtyChanges == 0)
return;
// force a re-draw, and re-apply filters
@ -186,14 +192,6 @@ namespace LibationWinForm
filter();
}
private static int saveChangedTags(Book book, string newTags)
{
book.UserDefinedItem.Tags = newTags;
var qtyChanges = LibraryCommands.IndexChangedTags(book);
return qtyChanges;
}
#region Cell Formatting
private void replaceFormatted(object sender, DataGridViewCellFormattingEventArgs e)
{
@ -213,22 +211,6 @@ namespace LibationWinForm
}
#endregion
public void UpdateRow(string productId)
{
for (var r = dataGridView.RowCount - 1; r >= 0; r--)
{
var gridEntry = getGridEntry(r);
if (gridEntry.GetBook().AudibleProductId == productId)
{
var libBook = LibraryQueries.GetLibraryBook_Flat_NoTracking(productId);
gridEntry.REPLACE_Library_Book(libBook);
dataGridView.InvalidateRow(r);
return;
}
}
}
#region filter
string _filterSearchString;
private void filter() => Filter(_filterSearchString);