--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/controls/DiscoveryPanel.py Thu Nov 08 14:33:35 2018 +0100
@@ -0,0 +1,233 @@
+#!/usr/bin/env python
+# -*- 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
+# Copyright (C) 2017: Andrey Skvortsov <andrej.skvortzov@gmail.com>
+#
+# See COPYING file for copyrights details.
+#
+# This program 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
+# of the License, or (at your option) any later version.
+#
+# This program 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 program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+
+from __future__ import absolute_import
+import socket
+import wx
+import wx.lib.mixins.listctrl as listmix
+from zeroconf import ServiceBrowser, Zeroconf
+
+service_type = '_PYRO._tcp.local.'
+
+
+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)
+
+class DiscoveryPanel(wx.Panel, 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.ByIPCheck, 0, border=0, flag=0)
+
+ def _init_coll_ButtonGridSizer_Growables(self, parent):
+ parent.AddGrowableCol(0)
+ parent.AddGrowableRow(0)
+
+ def _init_sizers(self):
+ self.MainSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)
+ self.ButtonGridSizer = wx.FlexGridSizer(cols=2, 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_list_ctrl(self):
+ # Set up list control
+ listID = wx.NewId()
+ self.ServicesList = AutoWidthListCtrl(
+ id=listID,
+ 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.ServicesList.SetInitialSize(wx.Size(-1, 300))
+ self.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnItemSelected, id=listID)
+ self.Bind(wx.EVT_LIST_ITEM_ACTIVATED, self.OnItemActivated, id=listID)
+
+ def _init_ctrls(self, prnt):
+ self.staticText1 = wx.StaticText(
+ label=_('Services available:'), name='staticText1', parent=self,
+ pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
+
+ refreshID = wx.NewId()
+ self.RefreshButton = wx.Button(
+ id=refreshID,
+ label=_('Refresh'), name='RefreshButton', parent=self,
+ pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
+ self.Bind(wx.EVT_BUTTON, self.OnRefreshButton, id=refreshID)
+
+ self.ByIPCheck = wx.CheckBox(self, label=_("Use IP instead of Service Name"))
+
+ self._init_sizers()
+ self.Fit()
+
+ def __init__(self, parent):
+ wx.Panel.__init__(self, parent)
+
+ self._init_list_ctrl()
+ listmix.ColumnSorterMixin.__init__(self, 4)
+
+ self._init_ctrls(parent)
+
+ self.itemDataMap = {}
+ self.nextItemId = 0
+
+ self.URI = None
+ self.Browser = None
+
+ self.ZeroConfInstance = Zeroconf()
+ self.RefreshList()
+ self.LatestSelection = None
+
+ def __del__(self):
+ if self.Browser is not None:
+ self.Browser.cancel()
+ self.ZeroConfInstance.close()
+
+ def RefreshList(self):
+ if self.Browser is not None:
+ self.Browser.cancel()
+ self.Browser = ServiceBrowser(self.ZeroConfInstance, service_type, self)
+
+ def OnRefreshButton(self, event):
+ self.ServicesList.DeleteAllItems()
+ self.RefreshList()
+
+ # 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 SetURI(self, idx):
+ self.LatestSelection = idx
+ svcname = self.getColumnText(idx, 0)
+ connect_type = self.getColumnText(idx, 1)
+ self.URI = "%s://%s" % (connect_type, svcname + '.' + service_type)
+
+ def GetURI(self):
+ if self.LatestSelection is not None:
+ if self.ByIPCheck.IsChecked():
+ self.URI = "%s://%s:%s" % tuple(
+ map(lambda col:self.getColumnText(self.LatestSelection, col),
+ (1, 2, 3)))
+
+ return self.URI
+ return None
+
+ def remove_service(self, zeroconf, _type, name):
+ wx.CallAfter(self._removeService, name)
+
+ def _removeService(self, 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 add_service(self, zeroconf, _type, name):
+ wx.CallAfter(self._addService, _type, name)
+
+ def _addService(self, _type, name):
+ '''
+ called when a service with the desired type is discovered.
+ '''
+ info = self.ZeroConfInstance.get_service_info(_type, name)
+ svcname = name.split(".")[0]
+ typename = _type.split(".")[0][1:]
+ ip = str(socket.inet_ntoa(info.address))
+ port = info.port
+
+ 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