private void ShowDropDownFilter()
{
if (Text.IsNullOrEmpty() && ShowFilter)
{
FillFilterTextEmpty();
}
FilterItemForm.AutoClose = false;
if (!FilterItemForm.Visible)
{
FilterItemForm.Show(this, new Size(DropDownWidth < Width ? Width : DropDownWidth, CalcItemFormHeight()));
edit.Focus();
}
}
private void Edit_KeyDown(object sender, KeyEventArgs e)
{
if (ShowFilter)
{
if (e.KeyCode == Keys.Down || e.KeyCode == Keys.Up)
{
if (!FilterItemForm.Visible)
{
ShowDropDownFilter();
}
int cnt = filterForm.ListBox.Items.Count;
int idx = filterForm.ListBox.SelectedIndex;
if (cnt > 0)
{
if (e.KeyCode == Keys.Down)
{
if (idx < cnt - 1)
{
filterForm.ListBox.SelectedIndex++;
}
}
if (e.KeyCode == Keys.Up)
{
if (idx > 0)
{
filterForm.ListBox.SelectedIndex--;
}
}
}
}
else if (e.KeyCode == Keys.Escape)
{
FilterItemForm.Close();
}
else if (e.KeyCode == Keys.Return)
{
if (FilterItemForm.Visible)
{
int cnt = filterForm.ListBox.Items.Count;
int idx = filterForm.ListBox.SelectedIndex;
if (cnt > 0 && idx >= 0 && idx < cnt)
{
SelectTextChange = true;
filterSelectedItem = filterList[idx];
filterSelectedValue = GetItemValue(filterSelectedItem);
Text = GetItemText(filterSelectedItem).ToString();
edit.SelectionStart = Text.Length;
SelectedValueChanged?.Invoke(this, EventArgs.Empty);
SelectTextChange = false;
}
FilterItemForm.Close();
}
else
{
ShowDropDownFilter();
}
}
else
{
base.OnKeyDown(e);
}
}
else
{
if (e.KeyCode == Keys.Enter)
{
ShowDropDown();
}
else if (e.KeyCode == Keys.Escape)
{
ItemForm.Close();
}
else
{
base.OnKeyDown(e);
}
}
}
