protected virtual void OnIsCltOpeningChanged(DependencyPropertyChangedEventArgs e)
{
if (IsCltOpening)
{
int line = Core.SelectedStart.Line;
int column = Core.SelectedStart.Column;
IMRATextItemInfo lineitem = UI_Main.GetItem(line);
MRATextItemView lineview = lineitem?.View;
if (lineview == null)
{
return;
}
#region Canvas Top
{
Point p = lineview.TranslatePoint(new Point(0, 0), CV_Cover);
if (p.Y + lineview.ActualHeight + UI_CltBox.ActualHeight < ActualHeight)
{
Canvas.SetTop(UI_CltBox, p.Y + lineview.ActualHeight);
}
else
{
Canvas.SetTop(UI_CltBox, p.Y - UI_CltBox.ActualHeight);
}
}
#endregion
#region Canvas Left
{
Rect rect = lineview.GetColumnActualRect(column);
double x = rect.X;
if (UI_Main.UI_Stack != null)
{
x -= UI_Main.UI_Stack.HorizontalOffset;
}
x = Math.Max(x, 0.0);
x = Math.Min(x, ActualWidth - UI_CltBox.ActualWidth);
Canvas.SetLeft(UI_CltBox, x);
}
#endregion
IEnumerable <IMRACltItem> cltsrcs = Counselor.GetCltItems(Core.GetInputContext());
UI_CltBox.SetCltSources(cltsrcs);
ITextPosition pos = Core.SelectedStart.NextSeek();
UI_CltBox.SetInputText(String.Empty);
UI_CltBox.SetInputText(pos.Item.ToString());
UI_CltBox.Visibility = Visibility.Visible;
}
else
{
UI_CltBox.Visibility = Visibility.Hidden;
}
}