private void ActionButton_OnClick(object sender, RoutedEventArgs e)
{
ActionButtonClick?.Invoke(sender, e);
if (KeepOpenWhenSelecting)
{
this.textbox.Focus();
}
this.actionButton.ShowOnlyIf(this.controller.ShowActionButton && !ActionButtonText.IsNullOrEmpty());
}
private void ensureList()
{
if (!this.needsToRefreshList)
{
return;
}
using (Performance.Measure("building auto complete list {0}", this.controller.DebugIdentifier))
{
this.controller.FillList(this.listBox);
this.actionButton.ShowOnlyIf(this.controller.ShowActionButton && !ActionButtonText.IsNullOrEmpty());
}
this.needsToRefreshList = false;
}
private void open(bool closeIfEmpty = false, bool showAll = false)
{
if (!showAll && this.textbox.Text == "" && !this.popup.IsOpen)
{
return;
}
if (!this.popup.IsOpen)
{
this.updateTarget();
}
// fix to make sure list updates layout when first opened
this.popup.IsOpen = true;
if (!KeepOpenWhenSelecting)
{
// Reset listbox scroll position
if (this.listBox.SelectedIndex != -1)
{
this.listBox.SelectedIndex = -1;
this.listBox.UpdateLayout();
this.listBox.ScrollIntoView(this.listBox.Items[0]);
}
}
this.ensureList();
this.controller.Complete(showAll ? "" : this.textbox.Text);
this.actionButton.ShowOnlyIf(this.controller.ShowActionButton && !ActionButtonText.IsNullOrEmpty());
if (closeIfEmpty)
{
this.popup.IsOpen = this.controller.VisibleItems.Count > 0;
}
else
{
this.popup.IsOpen = true;
}
}
