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stockbar.py
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stockbar.py
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'''
Deflectouch
Copyright (C) 2012 Cyril Stoller
For comments, suggestions or other messages, contact me at:
This file is part of Deflectouch.
Deflectouch 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 3 of the License, or
(at your option) any later version.
Deflectouch is distributed in the hope that it will be fun,
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 Deflectouch. If not, see <http://www.gnu.org/licenses/>.
'''
import kivy
kivy.require('1.0.9')
from kivy.uix.image import Image
from kivy.properties import NumericProperty
MIN_DEFLECTOR_LENGTH = 100
'''
####################################
##
## Stock Bar Image Class
##
####################################
'''
class Stockbar(Image):
max_stock = NumericProperty(0)
new_deflectors_allowed = True
def recalculate_stock(self):
# this function is called every time a deflector size is changing
# first sum up all the deflectors on screen
length_sum = 0
if not len(self.parent.deflector_list) == 0:
for deflector in self.parent.deflector_list:
length_sum += deflector.length
self.width = self.max_stock - length_sum
if self.width < MIN_DEFLECTOR_LENGTH:
# if the stock material doesn't suffice for a new deflector, disable new deflectors
self.source = 'graphics/deflector_red.png'
self.new_deflectors_allowed = False
elif self.width <= 0:
# if all the stock material was used up, disable new deflectors
self.new_deflectors_allowed = False
else:
self.source = 'graphics/deflector_blue.png'
self.new_deflectors_allowed = True
def new_deflector(self, length):
# is called when a new deflector is created.
self.width -= length
def deflector_deleted(self, length):
self.width += length