Python Safe Globals now have more reliable triggering of OnChange call. Added "Onchange" object to accessible runtime variables that let user python code see count of changes and first and last values.
#!/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
class InstancesPathCollector(XSLTModelQuery):
""" object for collecting instances path list"""
def __init__(self, controller):
self.Instances = []
XSLTModelQuery.__init__(self,
controller,
"instances_path.xslt",
[("AddInstance", self.AddInstance)])
def AddInstance(self, context, *args):
self.Instances.append(args[0][0])
def Collect(self, root, name, debug):
self._process_xslt(root, debug, instance_type=name)
res = self.Instances
self.Instances = []
return res