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

     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 wx

    27

import os, sys, shutil

    28

from xml.dom import minidom

    29

    30

import util.paths as paths

    31

from py_ext import PythonFileCTNMixin

    32

    33

class WxGladeHMI(PythonFileCTNMixin):

    34

    35

    ConfNodeMethods = [

    36

        {"bitmap" : "editWXGLADE",

    37

         "name" : _("WXGLADE GUI"),

    38

         "tooltip" : _("Edit a WxWidgets GUI with WXGlade"),

    39

         "method" : "_editWXGLADE"},

    40

    ]

    41

    42

    def GetIconName(self):

    43

        return "wxGlade"

    44

    45

    def ConfNodePath(self):

    46

        return paths.AbsDir(__file__)

    47

    48

    def _getWXGLADEpath(self, project_path=None):

    49

        if project_path is None:

    50

            project_path = self.CTNPath()

    51

        # define name for wxGlade gui file

    52

        return os.path.join(project_path, "hmi.wxg")

    53

    54

    55

    def GetWxGladePath(self):

    56

        path = None

    57

        try:

    58

            from wxglade import __file__ as fileName

    60

            return path

    61

        except ImportError:

    62

            pass

    63

    64

        defLibDir="/usr/share/wxglade"

    65

        if os.path.isdir(defLibDir):

    66

            path = defLibDir

    67

    68

        return path

    70

    def launch_wxglade(self, options, wait=False):

    71

        path = self.GetWxGladePath()

    72

        glade = os.path.join(path, 'wxglade.py')

    73

        if wx.Platform == '__WXMSW__':

    74

            glade = "\"%s\""%glade

    75

        mode = {False:os.P_NOWAIT, True:os.P_WAIT}[wait]

    76

        os.spawnv(mode, sys.executable, ["\"%s\""%sys.executable] + [glade] + options)

    77

    78

    def OnCTNSave(self, from_project_path=None):

    79

        if from_project_path is not None:

    80

            shutil.copyfile(self._getWXGLADEpath(from_project_path),

    81

                            self._getWXGLADEpath())

    82

        return PythonFileCTNMixin.OnCTNSave(self, from_project_path)

    83

    84

    def CTNGenerate_C(self, buildpath, locations):

    86

        hmi_frames = []

    88

        wxgfile_path=self._getWXGLADEpath()

    89

        if os.path.exists(wxgfile_path):

    90

            wxgfile = open(wxgfile_path, 'r')

    91

            wxgtree = minidom.parse(wxgfile)

    92

            wxgfile.close()

    94

            for node in wxgtree.childNodes[1].childNodes:

    95

                if node.nodeType == wxgtree.ELEMENT_NODE:

    96

                    hmi_frames.append({

    97

                        "name" : node.getAttribute("name"),

    98

                        "class" : node.getAttribute("class"),

    99

                        "handlers" : [

   101

                            node.getElementsByTagName("handler")]})

   103

            hmipyfile_path=os.path.join(self._getBuildPath(), "hmi.py")

   104

            if wx.Platform == '__WXMSW__':

   105

                wxgfile_path = "\"%s\""%wxgfile_path

   106

                wxghmipyfile_path = "\"%s\""%hmipyfile_path

   107

            else:

   108

                wxghmipyfile_path = hmipyfile_path

   109

            self.launch_wxglade(['-o', wxghmipyfile_path, '-g', 'python', wxgfile_path], wait=True)

   111

            hmipyfile = open(hmipyfile_path, 'r')

   112

            define_hmi = hmipyfile.read().decode('utf-8')

   113

            hmipyfile.close()

   115

        else:

   116

            define_hmi = ""

   119

                          "\n".join(["%(class)s.%(h)s = %(h)s"%

   120

                            dict(x,h=h) for h in x['handlers']])

   121

                                for x in hmi_frames])

   122

        global_hmi = ("global %s\n"%",".join(

   124

                      if len(hmi_frames) > 0 else "")

   125

        init_hmi = "\n".join(["""\

   126

def OnCloseFrame(evt):

   127

    wx.MessageBox(_("Please stop PLC to close"))

   128

   129

%(name)s = %(class)s(None)

   130

%(name)s.Bind(wx.EVT_CLOSE, OnCloseFrame)

   131

%(name)s.Show()

   132

""" % x for x in hmi_frames])

   133

        cleanup_hmi = "\n".join(

   135

                for x in hmi_frames])

   137

        self.PreSectionsTexts = {

   138

            "globals":define_hmi,

   139

            "start":global_hmi,

   140

            "stop":global_hmi + cleanup_hmi

   141

        }

   142

        self.PostSectionsTexts = {

   143

            "globals":declare_hmi,

   144

            "start":init_hmi,

   145

        }

   146

   147

        return PythonFileCTNMixin.CTNGenerate_C(self, buildpath, locations)

   148

   149

    def _editWXGLADE(self):

   150

        wxg_filename = self._getWXGLADEpath()

   151

        open_wxglade = True

   152

        if not self.GetCTRoot().CheckProjectPathPerm():

   153

            dialog = wx.MessageDialog(self.GetCTRoot().AppFrame,

   154

                                      _("You don't have write permissions.\nOpen wxGlade anyway ?"),

   155

                                      _("Open wxGlade"),

   156

                                      wx.YES_NO|wx.ICON_QUESTION)

   157

            open_wxglade = dialog.ShowModal() == wx.ID_YES

   158

            dialog.Destroy()

   159

        if open_wxglade:

   160

            if not os.path.exists(wxg_filename):

   161

                hmi_name = self.BaseParams.getName()

   162

                open(wxg_filename,"w").write("""<?xml version="1.0"?>

   163

    <application path="" name="" class="" option="0" language="python" top_window="%(name)s" encoding="UTF-8" use_gettext="0" overwrite="0" use_new_namespace="1" for_version="2.8" is_template="0">

   164

        <object class="%(class)s" name="%(name)s" base="EditFrame">

   165

            <style>wxDEFAULT_FRAME_STYLE</style>

   166

            <title>frame_1</title>

   167

            <object class="wxBoxSizer" name="sizer_1" base="EditBoxSizer">

   168

                <orient>wxVERTICAL</orient>

   169

            <object class="sizerslot" />

   170

        </object>

   171

        </object>

   172

    </application>

   173

    """ % {"name": hmi_name, "class": "Class_%s" % hmi_name})

   174

            if wx.Platform == '__WXMSW__':

   175

                wxg_filename = "\"%s\""%wxg_filename

   176

            self.launch_wxglade([wxg_filename])