beremiz

Avoid division by zero in case width or height for page are not specified

2018-09-25, Andrey Skvortsov
210cddfa16cf
Avoid division by zero in case width or height for page are not specified

traceback:
File "/home/developer/WorkData/PLC/beremiz/beremiz/editors/Viewer.py", line 3755, in OnPaint
self.DoDrawing(dc)
File "/home/developer/WorkData/PLC/beremiz/beremiz/editors/Viewer.py", line 3723, in DoDrawing
for y in xrange(self.PageSize[1] - (ystart * SCROLLBAR_UNIT) % self.PageSize[1], int(window_size[1] / self.ViewScale[1]), self.PageSize[1]):
: integer division or modulo by zero
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of Beremiz.
# See COPYING file for copyrights details.
from __future__ import absolute_import
from plcopen.XSLTModelQuery import XSLTModelQuery
from plcopen.types_enums import *
class InstanceTagName(object):
"""Helpers object for generating instance tagname"""
def __init__(self):
self.TagName = None
def GetTagName(self):
return self.TagName
def ConfigTagName(self, context, *args):
self.TagName = ComputeConfigurationName(args[0][0])
def ResourceTagName(self, context, *args):
self.TagName = ComputeConfigurationResourceName(args[0][0], args[1][0])
def PouTagName(self, context, *args):
self.TagName = ComputePouName(args[0][0])
def ActionTagName(self, context, *args):
self.TagName = ComputePouActionName(args[0][0], args[0][1])
def TransitionTagName(self, context, *args):
self.TagName = ComputePouTransitionName(args[0][0], args[0][1])
class InstanceTagnameCollector(XSLTModelQuery):
""" object for collecting instances path list"""
def __init__(self, controller):
XSLTModelQuery.__init__(self,
controller,
"instance_tagname.xslt",
[(name, self.FactoryCaller(name))
for name in ["ConfigTagName",
"ResourceTagName",
"PouTagName",
"ActionTagName",
"TransitionTagName"]])
def FactoryCaller(self, funcname):
def CallFactory(*args):
return getattr(self.factory, funcname)(*args)
return CallFactory
def Collect(self, root, debug, instance_path):
self.factory = InstanceTagName()
self._process_xslt(root, debug, instance_path=instance_path)
res = self.factory.GetTagName()
self.factory = None
return res