private void UpdatePieceList(bool TryKeepOldSelection)
{
if (SupressUpdate)
{
return;
}
DateTime then, now;
then = DateTime.Now;
try
{
SupressUpdate = true;
this.Cursor = Cursors.WaitCursor;
change_status("Updating pieces list...", false);
pieceSearch.ClearFilters();
string current_value = "";
if (dg.SelectedRows.Count == 1)
{
dg.CurrentCell = dg[1, dg.SelectedRows[0].Index];
}
if (TryKeepOldSelection && dg != null && dg.CurrentCell != null && !dg.CurrentRow.IsNewRow)
{
current_value = dg[1, dg.CurrentRow.Index].Value.ToString();
}
Application.DoEvents();
SupressUpdate = false;
dg.ClearSelection();
dg.Rows.Clear();
SupressUpdate = true;
if (txbComposer.SelectedValue != null)
{
pieceSearch.AddFilter(PieceSearch.Fields.ComposerID, "= "
+ txbComposer.SelectedValue.ToString());
}
else if (txbComposer.HasText())
{
return;
}
if (txbGenre.SelectedValue != null)
{
pieceSearch.AddFilter(PieceSearch.Fields.GenreID, "= "
+ txbGenre.SelectedValue.ToString());
}
else if (txbGenre.HasText())
{
return;
}
if (txbFilter.Text != TextBoxDefaultNone)
{
pieceSearch.AddWordFilter(PieceSearch.Fields.MatchName, txbFilter.Text);
}
pieceSearch.PerformSearchToDataGridView(dg);
dg.Sort(dg.Columns[1], ListSortDirection.Ascending);
if (TryKeepOldSelection && current_value != "")
{
Application.DoEvents();
dg.ClearSelection();
int foundrow = -1;
if ((foundrow = dg.FindFirstRow(current_value, 1)) >= 0)
{
SupressUpdate = false;
dg.CurrentCell = dg[1, foundrow];
dg.CurrentCell.Selected = true;
return;
}
}
else
{
SupressUpdate = false;
dg.CurrentCell = dg[1, 0];
dg.ClearSelection();
}
}
finally
{
now = DateTime.Now;
SupressUpdate = false;
this.Cursor = Cursors.Default;
change_status("Search took " + Math.Round((now - then).TotalSeconds, 3)
+ "s for " + (dg.Rows.Count - 1) + " results");
Application.DoEvents();
}
}
