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) 2012: 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 wx

    27

    28

from plcopen.structures import TestIdentifier, IEC_KEYWORDS

    29

    30

    31

def GetPouTypes():

    32

    _ = lambda x: x

    33

    return [_("function"), _("functionBlock"), _("program")]

    34

    35

    36

POU_TYPES_DICT = dict([(_(pou_type), pou_type) for pou_type in GetPouTypes()])

    37

    38

    39

def GetPouLanguages():

    40

    _ = lambda x: x

    41

    return [_("IL"), _("ST"), _("LD"), _("FBD"), _("SFC")]

    42

    43

    44

class PouDialog(wx.Dialog):

    45

    46

    POU_LANGUAGES = GetPouLanguages()

    47

    POU_LANGUAGES_DICT = dict([(_(language), language) for language in POU_LANGUAGES])

    48

    49

    def __init__(self, parent, pou_type=None, type_readonly=False):

    50

        wx.Dialog.__init__(self, id=-1, parent=parent,

    51

              name='PouDialog', title=_('Create a new POU'),

    52

              style=wx.DEFAULT_DIALOG_STYLE)

    53

    54

        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)

    55

        main_sizer.AddGrowableCol(0)

    56

        main_sizer.AddGrowableRow(0)

    57

    58

        infos_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=3, vgap=15)

    59

        infos_sizer.AddGrowableCol(1)

    60

        main_sizer.AddSizer(infos_sizer, border=20,

    61

              flag=wx.GROW | wx.TOP | wx.LEFT | wx.RIGHT)

    62

    63

        pouname_label = wx.StaticText(self, label=_('POU Name:'))

    64

        infos_sizer.AddWindow(pouname_label, border=4,

    65

              flag=wx.ALIGN_CENTER_VERTICAL | wx.TOP)

    66

    67

        self.PouName = wx.TextCtrl(self)

    68

        infos_sizer.AddWindow(self.PouName, flag=wx.GROW)

    69

    70

        poutype_label = wx.StaticText(self, label=_('POU Type:'))

    71

        infos_sizer.AddWindow(poutype_label, border=4,

    72

              flag=wx.ALIGN_CENTER_VERTICAL | wx.TOP)

    73

    74

        self.PouType = wx.ComboBox(self, style=wx.CB_READONLY)

    75

        self.Bind(wx.EVT_COMBOBOX, self.OnTypeChanged, self.PouType)

    76

        infos_sizer.AddWindow(self.PouType, flag=wx.GROW)

    77

    78

        language_label = wx.StaticText(self, label=_('Language:'))

    79

        infos_sizer.AddWindow(language_label, border=4,

    80

              flag=wx.ALIGN_CENTER_VERTICAL | wx.TOP)

    81

    82

        self.Language = wx.ComboBox(self, style=wx.CB_READONLY)

    83

        infos_sizer.AddWindow(self.Language, flag=wx.GROW)

    84

    85

        button_sizer = self.CreateButtonSizer(wx.OK | wx.CANCEL | wx.CENTRE)

    86

        self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())

    87

        main_sizer.AddSizer(button_sizer, border=20,

    88

              flag=wx.ALIGN_RIGHT | wx.BOTTOM | wx.LEFT | wx.RIGHT)

    89

    90

        self.SetSizer(main_sizer)

    91

    92

        for option in GetPouTypes():

    93

            if not type_readonly or _(option) == _(pou_type):

    94

                self.PouType.Append(_(option))

    95

        if pou_type is not None:

    96

            self.PouType.SetStringSelection(_(pou_type))

    97

        self.RefreshLanguage()

    98

        self.Fit()

    99

        self.PouNames = []

   100

        self.PouElementNames = []

   101

   102

    def OnOK(self, event):

   103

        error = []

   104

        pou_name = self.PouName.GetValue()

   105

        if pou_name == "":

   106

            error.append(_("POU Name"))

   107

        if self.PouType.GetSelection() == -1:

   108

            error.append(_("POU Type"))

   109

        if self.Language.GetSelection() == -1:

   110

            error.append(_("Language"))

   111

        message = None

   112

        question = False

   113

        if len(error) > 0:

   114

            text = ""

   115

            for i, item in enumerate(error):

   116

                if i == 0:

   117

                    text += item

   118

                elif i == len(error) - 1:

   119

                    text += _(" and %s") % item

   120

                else:

   121

                    text += _(", %s") % item

   122

            message = _("Form isn't complete. %s must be filled!") % text

   123

        elif not TestIdentifier(pou_name):

   124

            message = _("\"%s\" is not a valid identifier!") % pou_name

   125

        elif pou_name.upper() in IEC_KEYWORDS:

   126

            message = _("\"%s\" is a keyword. It can't be used!") % pou_name

   127

        elif pou_name.upper() in self.PouNames:

   128

            message = _("\"%s\" pou already exists!") % pou_name

   129

        elif pou_name.upper() in self.PouElementNames:

   130

            message = _("A POU has an element named \"%s\". This could cause a conflict. Do you wish to continue?") % pou_name

   131

            question = True

   132

        if message is not None:

   133

            if question:

   134

                dialog = wx.MessageDialog(self, message, _("Warning"), wx.YES_NO | wx.ICON_EXCLAMATION)

   135

                result = dialog.ShowModal()

   136

                dialog.Destroy()

   137

                if result == wx.ID_YES:

   138

                    self.EndModal(wx.ID_OK)

   139

            else:

   140

                dialog = wx.MessageDialog(self, message, _("Error"), wx.OK | wx.ICON_ERROR)

   141

                dialog.ShowModal()

   142

                dialog.Destroy()

   143

        else:

   144

            self.EndModal(wx.ID_OK)

   145

   146

    def RefreshLanguage(self):

   147

        selection = self.POU_LANGUAGES_DICT.get(self.Language.GetStringSelection(), "")

   148

        self.Language.Clear()

   149

        for language in self.POU_LANGUAGES:

   150

            if language != "SFC" or POU_TYPES_DICT[self.PouType.GetStringSelection()] != "function":

   151

                self.Language.Append(_(language))

   152

        if self.Language.FindString(_(selection)) != wx.NOT_FOUND:

   153

            self.Language.SetStringSelection(_(selection))

   154

   155

    def OnTypeChanged(self, event):

   156

        self.RefreshLanguage()

   157

        event.Skip()

   158

   159

    def SetPouNames(self, pou_names):

   160

        self.PouNames = [pou_name.upper() for pou_name in pou_names]

   161

   162

    def SetPouElementNames(self, element_names):

   163

        self.PouElementNames = [element_name.upper() for element_name in element_names]

   164

   165

    def SetValues(self, values):

   166

        for item, value in values.items():

   167

            if item == "pouName":

   168

                self.PouName.SetValue(value)

   169

            elif item == "pouType":

   170

                self.PouType.SetStringSelection(_(value))

   171

            elif item == "language":

   172

                self.Language.SetStringSelection(_(value))

   173

   174

    def GetValues(self):

   175

        values = {}

   176

        values["pouName"] = self.PouName.GetValue()

   177

        values["pouType"] = POU_TYPES_DICT[self.PouType.GetStringSelection()]

   178

        values["language"] = self.POU_LANGUAGES_DICT[self.Language.GetStringSelection()]

   179

        return values