1

#!/usr/bin/env python

     2

# -*- coding: utf-8 -*-

     3

     4

# This file is part of Beremiz, a Integrated Development Environment for

     5

# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.

     6

#

     7

# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

     8

# Copyright (C) 2017: Andrey Skvortsov <andrej.skvortzov@gmail.com>

     9

#

    10

# See COPYING file for copyrights details.

    11

#

    12

# This program is free software; you can redistribute it and/or

    13

# modify it under the terms of the GNU General Public License

    14

# as published by the Free Software Foundation; either version 2

    15

# of the License, or (at your option) any later version.

    16

#

    17

# This program is distributed in the hope that it will be useful,

    18

# but WITHOUT ANY WARRANTY; without even the implied warranty of

    19

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    20

# GNU General Public License for more details.

    21

#

    22

# You should have received a copy of the GNU General Public License

    23

# along with this program; if not, write to the Free Software

    24

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    25

    26

import socket

    27

import wx

    28

import wx.lib.mixins.listctrl as listmix

    29

from util.Zeroconf import *

    30

    31

import connectors

    32

    33

service_type = '_PYRO._tcp.local.'

    34

    35

    36

class AutoWidthListCtrl(wx.ListCtrl, listmix.ListCtrlAutoWidthMixin):

    37

    def __init__(self, parent, id, name, pos=wx.DefaultPosition,

    38

                 size=wx.DefaultSize, style=0):

    39

        wx.ListCtrl.__init__(self, parent, id, pos, size, style, name=name)

    40

        listmix.ListCtrlAutoWidthMixin.__init__(self)

    41

    42

    43

[

    44

    ID_DISCOVERYDIALOG, ID_DISCOVERYDIALOGSTATICTEXT1,

    45

    ID_DISCOVERYDIALOGSERVICESLIST, ID_DISCOVERYDIALOGREFRESHBUTTON,

    46

    ID_DISCOVERYDIALOGLOCALBUTTON, ID_DISCOVERYDIALOGIPBUTTON,

    47

] = [wx.NewId() for _init_ctrls in range(6)]

    48

    49

    50

class DiscoveryDialog(wx.Dialog, listmix.ColumnSorterMixin):

    51

    52

    def _init_coll_MainSizer_Items(self, parent):

    53

        parent.AddWindow(self.staticText1,    0, border=20, flag=wx.TOP | wx.LEFT | wx.RIGHT | wx.GROW)

    54

        parent.AddWindow(self.ServicesList,   0, border=20, flag=wx.LEFT | wx.RIGHT | wx.GROW)

    55

        parent.AddSizer(self.ButtonGridSizer, 0, border=20, flag=wx.LEFT | wx.RIGHT | wx.BOTTOM | wx.GROW)

    56

    57

    def _init_coll_MainSizer_Growables(self, parent):

    58

        parent.AddGrowableCol(0)

    59

        parent.AddGrowableRow(1)

    60

    61

    def _init_coll_ButtonGridSizer_Items(self, parent):

    62

        parent.AddWindow(self.RefreshButton, 0, border=0, flag=0)

    63

        parent.AddWindow(self.LocalButton, 0, border=0, flag=0)

    64

        parent.AddWindow(self.IpButton, 0, border=0, flag=0)

    65

        parent.AddSizer(self.ButtonSizer, 0, border=0, flag=0)

    66

    67

    def _init_coll_ButtonGridSizer_Growables(self, parent):

    68

        parent.AddGrowableCol(0)

    69

        parent.AddGrowableCol(1)

    70

        parent.AddGrowableRow(0)

    71

    72

    def _init_sizers(self):

    73

        self.MainSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)

    74

        self.ButtonGridSizer = wx.FlexGridSizer(cols=4, hgap=5, rows=1, vgap=0)

    75

    76

        self._init_coll_MainSizer_Items(self.MainSizer)

    77

        self._init_coll_MainSizer_Growables(self.MainSizer)

    78

        self._init_coll_ButtonGridSizer_Items(self.ButtonGridSizer)

    79

        self._init_coll_ButtonGridSizer_Growables(self.ButtonGridSizer)

    80

    81

        self.SetSizer(self.MainSizer)

    82

    83

    def _init_ctrls(self, prnt):

    84

        wx.Dialog.__init__(

    85

            self, id=ID_DISCOVERYDIALOG,

    86

            name='DiscoveryDialog', parent=prnt, style=wx.DEFAULT_DIALOG_STYLE,

    87

            title=_('Service Discovery'))

    88

    89

        self.staticText1 = wx.StaticText(

    90

            id=ID_DISCOVERYDIALOGSTATICTEXT1,

    91

            label=_('Services available:'), name='staticText1', parent=self,

    92

            pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

    93

    94

        # Set up list control

    95

        self.ServicesList = AutoWidthListCtrl(

    96

            id=ID_DISCOVERYDIALOGSERVICESLIST,

    97

            name='ServicesList', parent=self, pos=wx.Point(0, 0), size=wx.Size(0, 0),

    98

            style=wx.LC_REPORT | wx.LC_EDIT_LABELS | wx.LC_SORT_ASCENDING | wx.LC_SINGLE_SEL)

    99

        self.ServicesList.InsertColumn(0, _('NAME'))

   100

        self.ServicesList.InsertColumn(1, _('TYPE'))

   101

        self.ServicesList.InsertColumn(2, _('IP'))

   102

        self.ServicesList.InsertColumn(3, _('PORT'))

   103

        self.ServicesList.SetColumnWidth(0, 150)

   104

        self.ServicesList.SetColumnWidth(1, 150)

   105

        self.ServicesList.SetColumnWidth(2, 150)

   106

        self.ServicesList.SetColumnWidth(3, 150)

   107

        self.ServicesList.SetInitialSize(wx.Size(-1, 300))

   108

        self.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnItemSelected, id=ID_DISCOVERYDIALOGSERVICESLIST)

   109

        self.Bind(wx.EVT_LIST_ITEM_ACTIVATED, self.OnItemActivated, id=ID_DISCOVERYDIALOGSERVICESLIST)

   110

   111

        listmix.ColumnSorterMixin.__init__(self, 4)

   112

   113

        self.RefreshButton = wx.Button(

   114

            id=ID_DISCOVERYDIALOGREFRESHBUTTON,

   115

            label=_('Refresh'), name='RefreshButton', parent=self,

   116

            pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

   117

        self.Bind(wx.EVT_BUTTON, self.OnRefreshButton, id=ID_DISCOVERYDIALOGREFRESHBUTTON)

   118

   119

        self.LocalButton = wx.Button(

   120

            id=ID_DISCOVERYDIALOGLOCALBUTTON,

   121

            label=_('Local'), name='LocalButton', parent=self,

   122

            pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

   123

        self.Bind(wx.EVT_BUTTON, self.OnLocalButton, id=ID_DISCOVERYDIALOGLOCALBUTTON)

   124

   125

        self.IpButton = wx.Button(

   126

            id=ID_DISCOVERYDIALOGIPBUTTON,

   127

            label=_('Add IP'), name='IpButton', parent=self,

   128

            pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

   129

        self.Bind(wx.EVT_BUTTON, self.OnIpButton, id=ID_DISCOVERYDIALOGIPBUTTON)

   130

   131

        self.ButtonSizer = self.CreateButtonSizer(wx.OK | wx.CANCEL | wx.CENTER)

   132

   133

        self._init_sizers()

   134

        self.Fit()

   135

   136

    def __init__(self, parent):

   137

        self._init_ctrls(parent)

   138

   139

        self.itemDataMap = {}

   140

        self.nextItemId = 0

   141

   142

        self.URI = None

   143

        self.Browser = None

   144

   145

        self.ZeroConfInstance = Zeroconf()

   146

        self.RefreshList()

   147

        self.LatestSelection = None

   148

   149

    def __del__(self):

   150

        if self.Browser is not None:

   151

            self.Browser.cancel()

   152

        self.ZeroConfInstance.close()

   153

   154

    def RefreshList(self):

   155

        if self.Browser is not None:

   156

            self.Browser.cancel()

   157

        self.Browser = ServiceBrowser(self.ZeroConfInstance, service_type, self)

   158

   159

    def OnRefreshButton(self, event):

   160

        self.ServicesList.DeleteAllItems()

   161

        self.RefreshList()

   162

   163

    def OnLocalButton(self, event):

   164

        self.URI = "LOCAL://"

   165

        self.EndModal(wx.ID_OK)

   166

        event.Skip()

   167

   168

    def OnIpButton(self, event):

   169

        def GetColText(col):

   170

            return self.getColumnText(self.LatestSelection, col)

   171

   172

        if self.LatestSelection is not None:

   173

            self.URI = "%s://%s:%s" % tuple(map(GetColText, (1, 2, 3)))

   174

            self.EndModal(wx.ID_OK)

   175

        event.Skip()

   176

   177

    # Used by the ColumnSorterMixin, see wx/lib/mixins/listctrl.py

   178

    def GetListCtrl(self):

   179

        return self.ServicesList

   180

   181

    def getColumnText(self, index, col):

   182

        item = self.ServicesList.GetItem(index, col)

   183

        return item.GetText()

   184

   185

    def OnItemSelected(self, event):

   186

        self.SetURI(event.m_itemIndex)

   187

        event.Skip()

   188

   189

    def OnItemActivated(self, event):

   190

        self.SetURI(event.m_itemIndex)

   191

        self.EndModal(wx.ID_OK)

   192

        event.Skip()

   193

   194

#    def SetURI(self, idx):

   195

#        connect_type = self.getColumnText(idx, 1)

   196

#        connect_address = self.getColumnText(idx, 2)

   197

#        connect_port = self.getColumnText(idx, 3)

   198

#

   199

#        self.URI = "%s://%s:%s"%(connect_type, connect_address, connect_port)

   200

   201

    def SetURI(self, idx):

   202

        self.LatestSelection = idx

   203

        svcname = self.getColumnText(idx, 0)

   204

        connect_type = self.getColumnText(idx, 1)

   205

        self.URI = "%s://%s" % (connect_type, svcname + '.' + service_type)

   206

   207

    def GetURI(self):

   208

        return self.URI

   209

   210

    def removeService(self, zeroconf, _type, name):

   211

        wx.CallAfter(self._removeService, name)

   212

   213

    def _removeService(self, name):

   214

        '''

   215

        called when a service with the desired type goes offline.

   216

        '''

   217

   218

        # loop through the list items looking for the service that went offline

   219

        for idx in xrange(self.ServicesList.GetItemCount()):

   220

            # this is the unique identifier assigned to the item

   221

            item_id = self.ServicesList.GetItemData(idx)

   222

   223

            # this is the full typename that was received by addService

   224

            item_name = self.itemDataMap[item_id][4]

   225

   226

            if item_name == name:

   227

                self.ServicesList.DeleteItem(idx)

   228

                break

   229

   230

    def addService(self, zeroconf, _type, name):

   231

        wx.CallAfter(self._addService, _type, name)

   232

   233

    def _addService(self, _type, name):

   234

        '''

   235

        called when a service with the desired type is discovered.

   236

        '''

   237

        info = self.ZeroConfInstance.getServiceInfo(_type, name)

   238

   239

        svcname = name.split(".")[0]

   240

        typename = _type.split(".")[0][1:]

   241

        ip = str(socket.inet_ntoa(info.getAddress()))

   242

        port = info.getPort()

   243

   244

        num_items = self.ServicesList.GetItemCount()

   245

   246

        # display the new data in the list

   247

        new_item = self.ServicesList.InsertStringItem(num_items, svcname)

   248

        self.ServicesList.SetStringItem(new_item, 1, "%s" % typename)

   249

        self.ServicesList.SetStringItem(new_item, 2, "%s" % ip)

   250

        self.ServicesList.SetStringItem(new_item, 3, "%s" % port)

   251

   252

        # record the new data for the ColumnSorterMixin

   253

        # we assign every list item a unique id (that won't change when items

   254

        # are added or removed)

   255

        self.ServicesList.SetItemData(new_item, self.nextItemId)

   256

   257

        # the value of each column has to be stored in the itemDataMap

   258

        # so that ColumnSorterMixin knows how to sort the column.

   259

   260

        # "name" is included at the end so that self.removeService

   261

        # can access it.

   262

        self.itemDataMap[self.nextItemId] = [svcname, typename, ip, port, name]

   263

   264

        self.nextItemId += 1