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
from __future__ import absolute_import
import wx
from connectors import ConnectorSchemes, EditorClassFromScheme
from controls.DiscoveryPanel import DiscoveryPanel
class UriEditor(wx.Dialog):
def _init_ctrls(self, parent):
self.UriTypeChoice = wx.Choice(parent=self, choices=self.choices)
self.UriTypeChoice.SetSelection(0)
self.Bind(wx.EVT_CHOICE, self.OnTypeChoice, self.UriTypeChoice)
self.editor_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.ButtonSizer = self.CreateButtonSizer(wx.OK | wx.CANCEL)
def _init_sizers(self):
self.mainSizer = wx.BoxSizer(wx.VERTICAL)
typeSizer = wx.BoxSizer(wx.HORIZONTAL)
typeSizer.Add(wx.StaticText(self, wx.ID_ANY, _("Scheme :")), border=5,
flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)
typeSizer.Add(self.UriTypeChoice, border=5, flag=wx.ALL)
self.mainSizer.Add(typeSizer)
self.mainSizer.Add(self.editor_sizer, border=5, flag=wx.ALL)
self.mainSizer.Add(self.ButtonSizer, border=5,
flag=wx.BOTTOM | wx.ALIGN_CENTER_HORIZONTAL)
self.SetSizer(self.mainSizer)
self.Layout()
self.Fit()
def __init__(self, parent, ctr, uri=''):
self.ctr = ctr
wx.Dialog.__init__(self,
name='UriEditor', parent=parent,
title=_('URI Editor'))
self.choices = [_("- Search local network -")] + ConnectorSchemes()
self._init_ctrls(parent)
self._init_sizers()
self.scheme = None
self.scheme_editor = None
self.SetURI(uri)
self.CenterOnParent()
def OnTypeChoice(self, event):
index = event.GetSelection()
self._replaceSchemeEditor(event.GetString() if index > 0 else None)
def SetURI(self, uri):
try:
scheme, loc = uri.strip().split("://", 1)
scheme = scheme.upper()
except Exception:
scheme = None
if scheme in ConnectorSchemes():
self.UriTypeChoice.SetStringSelection(scheme)
else:
self.UriTypeChoice.SetSelection(0)
scheme = None
self._replaceSchemeEditor(scheme)
if scheme is not None:
self.scheme_editor.SetLoc(loc)
def GetURI(self):
if self.scheme is None:
return self.scheme_editor.GetURI()
else:
return self.scheme+"://"+self.scheme_editor.GetLoc()
def _replaceSchemeEditor(self, scheme):
self.scheme = scheme
if self.scheme_editor is not None:
self.editor_sizer.Detach(self.scheme_editor)
self.scheme_editor.Destroy()
self.scheme_editor = None
if scheme is not None:
EditorClass = EditorClassFromScheme(scheme)
self.scheme_editor = EditorClass(scheme, self)
else:
# None is for searching local network
self.scheme_editor = DiscoveryPanel(self)
self.editor_sizer.Add(self.scheme_editor)
self.scheme_editor.Refresh()
self.editor_sizer.Layout()
self.mainSizer.Layout()
self.Fit()