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

#

     9

# See COPYING file for copyrights details.

    10

#

    11

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

    12

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

    13

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

    14

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

    15

#

    16

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

    17

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

    18

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    19

# GNU General Public License for more details.

    20

#

    21

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

    22

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

    23

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

    24

    25

    26

    27

import wx

    28

from plcopen.structures import TestIdentifier, IEC_KEYWORDS

    29

    30

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

    31

#                                POU Name Dialog

    32

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

    33

    34

    35

class PouNameDialog(wx.TextEntryDialog):

    36

    37

    def __init__(self, parent, message, caption=_("Please enter text"), defaultValue="",

    38

                 style=wx.OK | wx.CANCEL | wx.CENTRE, pos=wx.DefaultPosition):

    39

        wx.TextEntryDialog.__init__(self, parent, message, caption, defaultValue, style, pos)

    40

    41

        self.PouNames = []

    42

    43

        self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetAffirmativeId())

    44

    45

    def OnOK(self, event):

    46

        message = None

    47

        step_name = self.GetSizer().GetItem(1).GetWindow().GetValue()

    48

        if step_name == "":

    49

            message = _("You must type a name!")

    50

        elif not TestIdentifier(step_name):

    51

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

    52

        elif step_name.upper() in IEC_KEYWORDS:

    53

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

    54

        elif step_name.upper() in self.PouNames:

    55

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

    56

        if message is not None:

    57

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

    58

            dialog.ShowModal()

    59

            dialog.Destroy()

    60

        else:

    61

            self.EndModal(wx.ID_OK)

    62

        event.Skip()

    63

    64

    def SetPouNames(self, pou_names):

    65

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