# -*- coding: utf-8 -*-
#This file is part of Beremiz, a Integrated Development Environment for
#programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
#See COPYING file for copyrights details.
#
#This library 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 2.1 of the License, or (at your option) any later version.
#
#This library is distributed in the hope that it will be useful,
#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 this library; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import socket
import wx
import wx.lib.mixins.listctrl as listmix
from Zeroconf import *
import connectors
class AutoWidthListCtrl(wx.ListCtrl, listmix.ListCtrlAutoWidthMixin):
def __init__(self, parent, id, name, pos=wx.DefaultPosition,
size=wx.DefaultSize, style=0):
wx.ListCtrl.__init__(self, parent, id, pos, size, style, name=name)
listmix.ListCtrlAutoWidthMixin.__init__(self)
[ID_DISCOVERYDIALOG, ID_DISCOVERYDIALOGSTATICTEXT1,
ID_DISCOVERYDIALOGSERVICESLIST, ID_DISCOVERYDIALOGREFRESHBUTTON,
ID_DISCOVERYDIALOGLOCALBUTTON,
] = [wx.NewId() for _init_ctrls in range(5)]
class DiscoveryDialog(wx.Dialog, listmix.ColumnSorterMixin):
def _init_coll_MainSizer_Items(self, parent):
parent.AddWindow(self.staticText1, 0, border=20, flag=wx.TOP|wx.LEFT|wx.RIGHT|wx.GROW)
parent.AddWindow(self.ServicesList, 0, border=20, flag=wx.LEFT|wx.RIGHT|wx.GROW)
parent.AddSizer(self.ButtonGridSizer, 0, border=20, flag=wx.LEFT|wx.RIGHT|wx.BOTTOM|wx.GROW)
def _init_coll_MainSizer_Growables(self, parent):
parent.AddGrowableCol(0)
parent.AddGrowableRow(1)
def _init_coll_ButtonGridSizer_Items(self, parent):
parent.AddWindow(self.RefreshButton, 0, border=0, flag=0)
parent.AddWindow(self.LocalButton, 0, border=0, flag=0)
parent.AddSizer(self.ButtonSizer, 0, border=0, flag=0)
def _init_coll_ButtonGridSizer_Growables(self, parent):
parent.AddGrowableCol(0)
parent.AddGrowableCol(1)
parent.AddGrowableRow(1)
def _init_sizers(self):
self.MainSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)
self.ButtonGridSizer = wx.FlexGridSizer(cols=3, hgap=5, rows=1, vgap=0)
self._init_coll_MainSizer_Items(self.MainSizer)
self._init_coll_MainSizer_Growables(self.MainSizer)
self._init_coll_ButtonGridSizer_Items(self.ButtonGridSizer)
self._init_coll_ButtonGridSizer_Growables(self.ButtonGridSizer)
self.SetSizer(self.MainSizer)
def _init_ctrls(self, prnt):
wx.Dialog.__init__(self, id=ID_DISCOVERYDIALOG,
name='DiscoveryDialog', parent=prnt,
size=wx.Size(600, 600), style=wx.DEFAULT_DIALOG_STYLE,
title='Service Discovery')
self.staticText1 = wx.StaticText(id=ID_DISCOVERYDIALOGSTATICTEXT1,
label=_('Services available:'), name='staticText1', parent=self,
pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
# Set up list control
self.ServicesList = AutoWidthListCtrl(id=ID_DISCOVERYDIALOGSERVICESLIST,
name='ServicesList', parent=self, pos=wx.Point(0, 0), size=wx.Size(0, 0),
style=wx.LC_REPORT|wx.LC_EDIT_LABELS|wx.LC_SORT_ASCENDING|wx.LC_SINGLE_SEL)
self.ServicesList.InsertColumn(0, 'NAME')
self.ServicesList.InsertColumn(1, 'TYPE')
self.ServicesList.InsertColumn(2, 'IP')
self.ServicesList.InsertColumn(3, 'PORT')
self.ServicesList.SetColumnWidth(0, 150)
self.ServicesList.SetColumnWidth(1, 150)
self.ServicesList.SetColumnWidth(2, 150)
self.ServicesList.SetColumnWidth(3, 150)
self.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnItemSelected, id=ID_DISCOVERYDIALOGSERVICESLIST)
self.Bind(wx.EVT_LIST_ITEM_ACTIVATED, self.OnItemActivated, id=ID_DISCOVERYDIALOGSERVICESLIST)
listmix.ColumnSorterMixin.__init__(self, 4)
self.RefreshButton = wx.Button(id=ID_DISCOVERYDIALOGREFRESHBUTTON,
label=_('Refresh'), name='RefreshButton', parent=self,
pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
self.Bind(wx.EVT_BUTTON, self.OnRefreshButton, id=ID_DISCOVERYDIALOGREFRESHBUTTON)
self.LocalButton = wx.Button(id=ID_DISCOVERYDIALOGLOCALBUTTON,
label=_('Local'), name='LocalButton', parent=self,
pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
self.Bind(wx.EVT_BUTTON, self.OnLocalButton, id=ID_DISCOVERYDIALOGLOCALBUTTON)
self.ButtonSizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTER)
self._init_sizers()
def __init__(self, parent):
self._init_ctrls(parent)
self.itemDataMap = {}
self.nextItemId = 0
self.URI = None
self.Browsers = []
self.ZeroConfInstance = Zeroconf()
self.RefreshList()
def __del__(self):
for browser in self.Browsers:
browser.cancel()
self.ZeroConfInstance.close()
def RefreshList(self):
for browser in self.Browsers:
browser.cancel()
self.Browsers = []
for t in connectors.dnssd_connectors.keys():
self.Browsers.append(ServiceBrowser(self.ZeroConfInstance, t, self))
def OnRefreshButton(self, event):
self.ServicesList.DeleteAllItems()
self.RefreshList()
def OnLocalButton(self, event):
self.URI = "LOCAL://"
self.EndModal(wx.ID_OK)
event.Skip()
# Used by the ColumnSorterMixin, see wx/lib/mixins/listctrl.py
def GetListCtrl(self):
return self.ServicesList
def getColumnText(self, index, col):
item = self.ServicesList.GetItem(index, col)
return item.GetText()
def OnItemSelected(self, event):
self.SetURI(event.m_itemIndex)
event.Skip()
def OnItemActivated(self, event):
self.SetURI(event.m_itemIndex)
self.EndModal(wx.ID_OK)
event.Skip()
def SetURI(self, idx):
connect_type = self.getColumnText(idx, 1)
connect_address = self.getColumnText(idx, 2)
connect_port = self.getColumnText(idx, 3)
self.URI = "%s://%s:%s"%(connect_type, connect_address, connect_port)
def GetURI(self):
return self.URI
def removeService(self, zeroconf, type, name):
'''
called when a service with the desired type goes offline.
'''
# loop through the list items looking for the service that went offline
for idx in xrange(self.ServicesList.GetItemCount()):
# this is the unique identifier assigned to the item
item_id = self.ServicesList.GetItemData(idx)
# this is the full typename that was received by addService
item_name = self.itemDataMap[item_id][4]
if item_name == name:
self.ServicesList.DeleteItem(idx)
break
def addService(self, zeroconf, type, name):
'''
called when a service with the desired type is discovered.
'''
info = self.ZeroConfInstance.getServiceInfo(type, name)
svcname = name.split(".")[0]
typename = type.split(".")[0][1:]
ip = str(socket.inet_ntoa(info.getAddress()))
port = info.getPort()
num_items = self.ServicesList.GetItemCount()
# display the new data in the list
new_item = self.ServicesList.InsertStringItem(num_items, svcname)
self.ServicesList.SetStringItem(new_item, 1, "%s" % typename)
self.ServicesList.SetStringItem(new_item, 2, "%s" % ip)
self.ServicesList.SetStringItem(new_item, 3, "%s" % port)
# record the new data for the ColumnSorterMixin
# we assign every list item a unique id (that won't change when items
# are added or removed)
self.ServicesList.SetItemData(new_item, self.nextItemId)
# the value of each column has to be stored in the itemDataMap
# so that ColumnSorterMixin knows how to sort the column.
# "name" is included at the end so that self.removeService
# can access it.
self.itemDataMap[self.nextItemId] = [ svcname, typename, ip, port, name ]
self.nextItemId += 1