##############################################################################
# ThanCad 0.0.9 "DoesSomething": 2dimensional CAD with raster support for engineers.
#
# Copyright (c) 2001-2009 Thanasis Stamos, August 23, 2009
# URL: http://thancad.sourceforge.net
# e-mail: cyberthanasis@excite.com
#
# 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 (www.gnu.org/licenses/gpl.html).
#
# 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
##############################################################################
"""\
ThanCad 0.0.9 "DoesSomething": 2dimensional CAD with raster support for engineers.
This module defines various states, i.e. as the user clicks a point or
a highlighted elements is selected.
"""
from math import hypot
import Tkinter
from thantkconst import *
from thanvar import thanLogTk
from thantkguigeneric import ThanStateGeneric
class ThanStatePoint(ThanStateGeneric):
"An object which interprets mouse click to points."
def __init__(self, proj):
"Initialize object."
self.thanProj = proj
def thanOnClick(self, event, x, y, cc):
"Well, here is what should be done when mouse clicks."
dc = self.thanProj[2].thanCanvas
dc.thanLastResult = cc, None
dc.thanState = THAN_STATE_NONE
dc.thanOState = ThanStateGeneric(self.thanProj)
class ThanStateSelem(ThanStateGeneric):
"An object which interprets mouse click to a selection of highlighted element."
def __init__(self, proj):
"Initialize object."
self.thanProj = proj
dc = self.thanProj[2].thanCanvas
dc.thanTempItems.add("e0")
def thanOnClick(self, event, x, y, cc):
"Well, here is what should be done when mouse clicks."
dc = self.thanProj[2].thanCanvas
dc.delete("e0")
dc.thanTempItems.remove("e0")
dc.thanLastResult = dc.thanOsnap.selem, None
dc.thanState = THAN_STATE_NONE
dc.thanOState = ThanStateGeneric(self.thanProj)
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