private void showPopup(bool showAll)
{
Form form = this.FindForm();
if (form == null)
return;
buildFilterExp(showAll, false);
IList<BaseEntity> items = null;
if (GetDataSource != null)
{
items = GetDataSource(this.Text);
}
else
{
Filter.PageNo = 0; Filter.PageSize = 0;
items = DMT.Provider.Db.ReadList(EntityType, Filter).Cast<BaseEntity>().ToList();
if (items == null || items.Count == 0)
{
buildFilterExp(showAll, true);
Filter.PageSize = 0; Filter.PageNo = 0;
items = DMT.Provider.Db.ReadList(EntityType, Filter).Cast<BaseEntity>().ToList();
}
}
if (items.Count == 0)
{
if (lbc != null)
{
form.Controls.Remove(lbc);
lbc = null;
}
return;
}
form.SuspendLayout();
if (lbc == null)
{
lbc = new ListBoxControl();
form.Controls.Add(lbc);
lbc.KeyUp += (sender, e) =>
{
if (e.KeyCode == Keys.Escape || e.KeyCode == Keys.Enter)
{
if (e.KeyCode == Keys.Enter)
SelectedItem = lbc.SelectedItem;
form.Controls.Remove(lbc);
lbc = null;
this.Focus();
}
};
lbc.DoubleClick += delegate
{
SelectedItem = lbc.SelectedItem;
form.Controls.Remove(lbc);
lbc = null;
this.Focus();
};
lbc.LostFocus += delegate
{
if (lbc.SelectedItem != null)
SelectedItem = lbc.SelectedItem;
else
this.Text = "";
form.Controls.Remove(lbc);
lbc = null;
};
lbc.DrawItem += lbc_DrawItem;
lbc.BringToFront();
}
lbc.Width = this.Width;
lbc.Location = form.PointToClient(this.PointToScreen(new Point(0, this.Height)));
if (lbc.Location.Y + lbc.Height > form.Height)
lbc.Location = new Point(lbc.Location.X, lbc.Location.Y - (lbc.Height + this.Height));
lbc.DataSource = items;
lbc.SelectedIndex = -1;
form.ResumeLayout();
}