Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
This is called before python thread processing py_eval blocks starts. Example purpose: attach additional ressource to web services
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# See COPYING file for copyrights details.
from __future__ import absolute_import
from functools import partial
import wx
from controls.IDBrowser import IDBrowser
class SchemeEditor(wx.Panel):
def __init__(self, scheme, parent, *args, **kwargs):
self.txtctrls = {}
wx.Panel.__init__(self, parent, *args, **kwargs)
self.fieldsizer = wx.FlexGridSizer(cols=2, hgap=10, vgap=10)
if self.EnableIDSelector:
self.model = self.model + [("ID", _("ID:"))]
for tag, label in self.model:
txtctrl = wx.TextCtrl(parent=self, size=wx.Size(200, -1))
self.txtctrls[tag] = txtctrl
for win, flag in [
(wx.StaticText(self, label=label),
wx.ALIGN_CENTER_VERTICAL),
(txtctrl, wx.GROW)]:
self.fieldsizer.AddWindow(win, flag=flag)
self.fieldsizer.AddSpacer(20)
if self.EnableIDSelector:
self.mainsizer = wx.FlexGridSizer(cols=2, hgap=10, vgap=10)
self.mainsizer.AddSizer(self.fieldsizer)
self.idselector = IDBrowser(
self, parent.ctr,
# use a callafter, as editor can be deleted by calling SetURI
partial(wx.CallAfter, parent.SetURI),
self.txtctrls["ID"].SetValue)
self.mainsizer.AddWindow(self.idselector)
self.SetSizer(self.mainsizer)
else:
self.SetSizer(self.fieldsizer)
def SetFields(self, fields):
for tag, _label in self.model:
self.txtctrls[tag].SetValue(fields[tag])
def GetFields(self):
return {tag: self.txtctrls[tag].GetValue() for tag, _label in self.model}