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# simu - Robot simulation. {{{
#
# Copyright (C) 2010 Nicolas Schodet
#
# APBTeam:
#        Web: http://apbteam.org/
#      Email: team AT apbteam DOT org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# 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.
#
# }}}
"""Display general purpose position reports."""
from simu.inter.drawable import Drawable

class PosReport (Drawable):

    def __init__ (self, onto, model):
        Drawable.__init__ (self, onto)
        self.model = model
        self.model.register (self.__notified)
        self.__colors = ('red', 'blue', 'green', 'yellow')

    def __notified (self):
        self.update ()

    def draw (self):
        self.reset ()
        for id in self.model.pos.iterkeys ():
            for p in self.model.pos[id]:
                s = 20
                self.draw_line (
                        (p[0] - s, p[1] - s), (p[0] + s, p[1] + s),
                        (p[0] - s, p[1] + s), (p[0] + s, p[1] - s),
                        (p[0] - s, p[1] - s), fill = self.__colors[id])