Clipboard cut event handler

def OnCut(self, event):
        """Clipboard cut event handler"""

        entry_line = \
            self.main_window.entry_line_panel.entry_line_panel.entry_line

        if wx.Window.FindFocus() != entry_line:
            selection = self.main_window.grid.selection

            with undo.group(_("Cut")):
                data = self.main_window.actions.cut(selection)

            self.main_window.clipboard.set_clipboard(data)

            self.main_window.grid.ForceRefresh()

        else:
            entry_line.Cut()

        event.Skip()