#
#   Copyright (C) 2008-2015 by Nicolas Piganeau
#   npi@m4x.org
#
#   This program is free software; you can redistribute it and/or modify
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the
#   Free Software Foundation, Inc.,
#   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#

from Qt import Qt

from ts2 import utils
from ts2.scenery import lineitem

"""InvisibleLinkItem behave like line items, but are not represented at
all on the scenery. They are used to make links between lines or to
represent bridges and tunnels.
"""
[docs]    def __init__(self, parameters):
super().__init__(parameters)
for tli in self._tli:
tli.hide()

# ## Methods ########################################################

[docs]    def updateTrain(self):
"""Does nothing as this is an invisible link."""
pass

# ## Graphics Methods ###############################################

[docs]    def graphicsPaint(self, p, options, itemId, widget=None):
"""This function is called by the owned TrackGraphicsItem to paint its
painter. Draws nothing during the game."""
super(lineitem.LineItem, self).graphicsPaint(p, options, itemId, widget)
if self.simulation.context == utils.Context.EDITOR_SCENERY:
if self.selected:
p.setPen(Qt.magenta)
else:
p.setPen(Qt.cyan)
p.drawLine(self.line)
self.drawConnectionRect(p, self.line.p1())
self.drawConnectionRect(p, self.line.p2())