1

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

     2

     3

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

     4

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

     5

#

     6

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

     7

#

     8

#See COPYING file for copyrights details.

     9

#

    10

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

    11

#modify it under the terms of the GNU General Public

    12

#License as published by the Free Software Foundation; either

    13

#version 2.1 of the License, or (at your option) any later version.

    14

#

    15

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

    16

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

    17

#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    18

#General Public License for more details.

    19

#

    20

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

    21

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

    22

#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    23

    24

import socket

    25

import wx

    26

import  wx.lib.mixins.listctrl  as  listmix

    27

from util.Zeroconf import *

    28

    29

import connectors

    30

    31

service_type = '_PYRO._tcp.local.'

    32

    33

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

    34

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

    35

                 size=wx.DefaultSize, style=0):

    36

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

    37

        listmix.ListCtrlAutoWidthMixin.__init__(self)

    38

    39

[ID_DISCOVERYDIALOG, ID_DISCOVERYDIALOGSTATICTEXT1, 

    40

 ID_DISCOVERYDIALOGSERVICESLIST, ID_DISCOVERYDIALOGREFRESHBUTTON, 

    41

 ID_DISCOVERYDIALOGLOCALBUTTON, ID_DISCOVERYDIALOGIPBUTTON, 

    42

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

    43

    44

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

    45

    46

    def _init_coll_MainSizer_Items(self, parent):

    47

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

    48

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

    49

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

    50

    51

    def _init_coll_MainSizer_Growables(self, parent):

    52

        parent.AddGrowableCol(0)

    53

        parent.AddGrowableRow(1)

    54

    55

    def _init_coll_ButtonGridSizer_Items(self, parent):

    56

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

    57

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

    58

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

    59

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

    60

    61

    def _init_coll_ButtonGridSizer_Growables(self, parent):

    62

        parent.AddGrowableCol(0)

    63

        parent.AddGrowableCol(1)

    64

        parent.AddGrowableRow(1)

    65

    66

    def _init_sizers(self):

    67

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

    68

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

    69

    70

        self._init_coll_MainSizer_Items(self.MainSizer)

    71

        self._init_coll_MainSizer_Growables(self.MainSizer)

    72

        self._init_coll_ButtonGridSizer_Items(self.ButtonGridSizer)

    73

        self._init_coll_ButtonGridSizer_Growables(self.ButtonGridSizer)

    74

    75

        self.SetSizer(self.MainSizer)

    76

    77

    def _init_ctrls(self, prnt):

    78

        wx.Dialog.__init__(self, id=ID_DISCOVERYDIALOG, 

    79

              name='DiscoveryDialog', parent=prnt,  

    80

              size=wx.Size(600, 600), style=wx.DEFAULT_DIALOG_STYLE,

    81

              title='Service Discovery')

    82

    83

        self.staticText1 = wx.StaticText(id=ID_DISCOVERYDIALOGSTATICTEXT1,

    84

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

    85

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

    86

    87

        # Set up list control

    88

        self.ServicesList = AutoWidthListCtrl(id=ID_DISCOVERYDIALOGSERVICESLIST,

    89

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

    90

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

    91

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

    92

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

    93

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

    94

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

    95

        self.ServicesList.SetColumnWidth(0, 150)

    96

        self.ServicesList.SetColumnWidth(1, 150)

    97

        self.ServicesList.SetColumnWidth(2, 150)

    98

        self.ServicesList.SetColumnWidth(3, 150)

    99

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

   100

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

   101

   102

        listmix.ColumnSorterMixin.__init__(self, 4)

   103

   104

        self.RefreshButton = wx.Button(id=ID_DISCOVERYDIALOGREFRESHBUTTON,

   105

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

   106

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

   107

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

   108

   109

        self.LocalButton = wx.Button(id=ID_DISCOVERYDIALOGLOCALBUTTON,

   110

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

   111

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

   112

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

   113

   114

        self.IpButton = wx.Button(id=ID_DISCOVERYDIALOGIPBUTTON,

   115

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

   116

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

   117

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

   118

   119

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

   120

   121

        self._init_sizers()

   122

   123

    def __init__(self, parent):

   124

        self._init_ctrls(parent)

   125

   126

        self.itemDataMap = {}

   127

        self.nextItemId = 0

   128

   129

        self.URI = None

   130

        self.Browser = None

   131

   132

        self.ZeroConfInstance = Zeroconf()

   133

        self.RefreshList()

   134

        self.LatestSelection=None

   135

   136

    def __del__(self):

   137

        if self.Browser is not None : self.Browser.cancel()

   138

        self.ZeroConfInstance.close()

   139

   140

    def RefreshList(self):

   141

        if self.Browser is not None : self.Browser.cancel()

   142

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

   143

   144

    def OnRefreshButton(self, event):

   145

        self.ServicesList.DeleteAllItems()

   146

        self.RefreshList()

   147

   148

    def OnLocalButton(self, event):

   149

        self.URI = "LOCAL://"

   150

        self.EndModal(wx.ID_OK)

   151

        event.Skip()

   152

   153

    def OnIpButton(self, event):

   154

        if self.LatestSelection is not None:

   155

            l = lambda col : self.getColumnText(self.LatestSelection,col)

   156

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

   157

            self.EndModal(wx.ID_OK)

   158

        event.Skip()

   159

   160

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

   161

    def GetListCtrl(self):

   162

        return self.ServicesList

   163

   164

    def getColumnText(self, index, col):

   165

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

   166

        return item.GetText()

   167

   168

    def OnItemSelected(self, event):

   169

        self.SetURI(event.m_itemIndex)

   170

        event.Skip()

   171

   172

    def OnItemActivated(self, event):

   173

        self.SetURI(event.m_itemIndex)

   174

        self.EndModal(wx.ID_OK)

   175

        event.Skip()

   176

   177

#    def SetURI(self, idx):

   178

#        connect_type = self.getColumnText(idx, 1)

   179

#        connect_address = self.getColumnText(idx, 2)

   180

#        connect_port = self.getColumnText(idx, 3)

   181

#        

   182

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

   183

   184

    def SetURI(self, idx):

   185

        self.LatestSelection = idx

   186

        svcname = self.getColumnText(idx, 0) 

   187

        connect_type = self.getColumnText(idx, 1)

   188

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

   189

   190

    def GetURI(self):

   191

        return self.URI

   192

   193

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

   194

        wx.CallAfter(self._removeService, name)

   195

   196

   197

    def _removeService(self, name):

   198

        '''

   199

        called when a service with the desired type goes offline.

   200

        '''

   201

   202

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

   203

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

   204

            # this is the unique identifier assigned to the item

   205

            item_id = self.ServicesList.GetItemData(idx)

   206

   207

            # this is the full typename that was received by addService

   208

            item_name = self.itemDataMap[item_id][4]

   209

   210

            if item_name == name:

   211

                self.ServicesList.DeleteItem(idx)

   212

                break

   213

   214

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

   215

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

   216

   217

    def _addService(self, _type, name):

   218

        '''

   219

        called when a service with the desired type is discovered.

   220

        '''

   221

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

   222

   223

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

   224

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

   225

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

   226

        port     = info.getPort()

   227

   228

        num_items = self.ServicesList.GetItemCount()

   229

   230

        # display the new data in the list

   231

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

   232

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

   233

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

   234

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

   235

   236

        # record the new data for the ColumnSorterMixin

   237

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

   238

        # are added or removed)

   239

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

   240

   241

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

   242

        # so that ColumnSorterMixin knows how to sort the column.

   243

   244

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

   245

        # can access it.

   246

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

   247

   248

        self.nextItemId += 1

   249