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

#                                POU Transition Dialog

    32

#-------------------------------------------------------------------------------

    33

    34

    35

def GetTransitionLanguages():

    36

    _ = lambda x: x

    37

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

    40

TRANSITION_LANGUAGES_DICT = dict([(_(language), language) for language in GetTransitionLanguages()])

    41

    42

    43

class PouTransitionDialog(wx.Dialog):

    44

    45

    def __init__(self, parent):

    46

        wx.Dialog.__init__(self, parent, title=_('Create a new transition'))

    47

    48

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

    49

        main_sizer.AddGrowableCol(0)

    50

        main_sizer.AddGrowableRow(0)

    51

    52

        infos_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=3, vgap=10)

    53

        infos_sizer.AddGrowableCol(1)

    54

        main_sizer.AddSizer(infos_sizer, border=20,

    55

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

    56

    57

        transitionname_label = wx.StaticText(self, label=_('Transition Name:'))

    58

        infos_sizer.AddWindow(transitionname_label, border=4,

    59

              flag=wx.ALIGN_CENTER_VERTICAL | wx.TOP)

    60

    61

        self.TransitionName = wx.TextCtrl(self, size=wx.Size(180, -1))

    62

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

    63

    64

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

    65

        infos_sizer.AddWindow(language_label, border=4,

    66

              flag=wx.ALIGN_CENTER_VERTICAL | wx.TOP)

    67

    68

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

    69

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

    70

    71

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

    72

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

    73

        main_sizer.AddSizer(button_sizer, border=20, flag=wx.ALIGN_RIGHT | wx.BOTTOM)

    74

    75

        self.SetSizer(main_sizer)

    76

    77

        for language in GetTransitionLanguages():

    78

            self.Language.Append(_(language))

    79

    80

        self.Fit()

    81

        self.PouNames = []

    82

        self.PouElementNames = []

    83

    84

    def OnOK(self, event):

    85

        error = []

    86

        transition_name = self.TransitionName.GetValue()

    87

        if self.TransitionName.GetValue() == "":

    88

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

    89

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

    90

            error.append(_("Language"))

    91

        message = None

    92

        if len(error) > 0:

    93

            text = ""

    94

            for i, item in enumerate(error):

    95

                if i == 0:

    96

                    text += item

    97

                elif i == len(error) - 1:

    98

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

    99

                else:

   100

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

   101

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

   102

        elif not TestIdentifier(transition_name):

   103

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

   104

        elif transition_name.upper() in IEC_KEYWORDS:

   105

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

   106

        elif transition_name.upper() in self.PouNames:

   107

            message = _("A POU named \"%s\" already exists!") % transition_name

   108

        elif transition_name.upper() in self.PouElementNames:

   109

            message = _("\"%s\" element for this pou already exists!") % transition_name

   110

        if message is not None:

   111

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

   112

            dialog.ShowModal()

   113

            dialog.Destroy()

   114

        else:

   115

            self.EndModal(wx.ID_OK)

   116

   117

    def SetPouNames(self, pou_names):

   118

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

   119

   120

    def SetPouElementNames(self, pou_names):

   121

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

   122

   123

    def SetValues(self, values):

   124

        for item, value in values.items():

   125

            if item == "transitionName":

   126

                self.TransitionName.SetValue(value)

   127

            elif item == "language":

   128

                self.Language.SetSelection(_(value))

   129

   130

    def GetValues(self):

   131

        values = {}

   132

        values["transitionName"] = self.TransitionName.GetValue()

   133

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

   134

        return values