internal virtual void OnSelecting()
{
if (FocussedItemIndex < 0 || FocussedItemIndex >= visibleItems.Count)
{
return;
}
tb.TextSource.Manager.BeginAutoUndoCommands();
try
{
AutocompleteItem item = FocussedItem;
SelectingEventArgs args = new SelectingEventArgs()
{
Item = item,
SelectedIndex = FocussedItemIndex
};
Menu.OnSelecting(args);
if (args.Cancel)
{
FocussedItemIndex = args.SelectedIndex;
Invalidate();
return;
}
if (!args.Handled)
{
var fragment = Menu.Fragment;
DoAutocomplete(item, fragment);
}
Menu.Close();
//
SelectedEventArgs args2 = new SelectedEventArgs()
{
Item = item,
Tb = Menu.Fragment.tb
};
item.OnSelected(Menu, args2);
Menu.OnSelected(args2);
}
finally
{
tb.TextSource.Manager.EndAutoUndoCommands();
}
}
private void SetToolTip(AutocompleteItem autocompleteItem)
{
var title = autocompleteItem.ToolTipTitle;
var text = autocompleteItem.ToolTipText;
if (string.IsNullOrEmpty(title))
{
toolTip.ToolTipTitle = null;
toolTip.SetToolTip(this, null);
return;
}
IWin32Window window = this.Parent ?? this;
Point location = new Point((window == this ? Width : Right) + 3, 0);
if (string.IsNullOrEmpty(text))
{
toolTip.ToolTipTitle = null;
toolTip.Show(title, window, location.X, location.Y, ToolTipDuration);
}
else
{
toolTip.ToolTipTitle = title;
toolTip.Show(text, window, location.X, location.Y, ToolTipDuration);
}
}
private void DoAutocomplete(AutocompleteItem item, Range fragment)
{
string newText = item.GetTextForReplace();
//replace text of fragment
var tb = fragment.tb;
tb.BeginAutoUndo();
tb.TextSource.Manager.ExecuteCommand(new SelectCommand(tb.TextSource));
if (tb.Selection.ColumnSelectionMode)
{
var start = tb.Selection.Start;
var end = tb.Selection.End;
start.iChar = fragment.Start.iChar;
end.iChar = fragment.End.iChar;
tb.Selection.Start = start;
tb.Selection.End = end;
}
else
{
tb.Selection.Start = fragment.Start;
tb.Selection.End = fragment.End;
}
tb.InsertText(newText);
tb.TextSource.Manager.ExecuteCommand(new SelectCommand(tb.TextSource));
tb.EndAutoUndo();
tb.Focus();
}
