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Speed up Folder List entry adding

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Don't autosize columns on each row addition
About 15 rows appear; resize on row 0, 7, and 14, and once more when
finished.

was O(n), now is O(min(n,3)+1)
This commit is contained in:
Kurt 2018-07-27 20:41:49 -07:00
parent 2e88da9d3c
commit 5155e4d29b
1 changed files with 13 additions and 3 deletions
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16
PKHeX.WinForms/Subforms/SAV_FolderList.cs
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@ -334,6 +334,8 @@ namespace PKHeX.WinForms
var first = enumerator.Current;
var sav1 = new SavePreview(first, GetParentFolderName(first));
LoadEntryInitial(dgData, list, sav1);
int ctr = 1; // refresh every 7 until 15+ are loaded
Task.Run(async () => // load the rest async
{
while (!dgData.IsHandleCreated)
@ -345,13 +347,24 @@ namespace PKHeX.WinForms
continue;
var sav = new SavePreview(next, GetParentFolderName(next));
dgData.Invoke(new Action(() => LoadEntry(dgData, list, sav)));
ctr++;
if (ctr < 15 && ctr % 7 == 0)
dgData.Invoke(new Action(() => Refresh(dgData)));
}
dgData.Invoke(new Action(() => Refresh(dgData)));
enumerator.Dispose();
});
return list;
}
private static void Refresh(DataGridView dgData)
{
dgData.SuspendLayout();
dgData.AutoResizeColumns();
dgData.Invalidate();
}
private static void LoadEntryInitial(DataGridView dgData, SaveList<SavePreview> list, SavePreview sav)
{
list.Add(sav);
@ -364,13 +377,10 @@ namespace PKHeX.WinForms
private void LoadEntry(DataGridView dgData, ICollection<SavePreview> list, SavePreview sav)
{
dgData.SuspendLayout();
list.Add(sav);
int count = list.Count;
if (CB_FilterColumn.SelectedIndex != 0)
ToggleRowVisibility(dgData, CB_FilterColumn.SelectedIndex - 1, TB_FilterTextContains.Text, count - 1);
dgData.AutoResizeColumns();
dgData.ResumeLayout();
}
private void ChangeFilterIndex(object sender, EventArgs e)