1 #!/usr/bin/env python

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

     3 

     4 #This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor

     5 #based on the plcopen standard. 

     6 #

     7 #Copyright (C) 2012: Edouard TISSERANT and Laurent BESSARD

     8 #

     9 #See COPYING file for copyrights details.

    10 #

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

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

    13 #License as published by the Free Software Foundation; either

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

    15 #

    16 #This library 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 GNU

    19 #General Public License for more details.

    20 #

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

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

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

    24 

    25 import wx

    26 

    27 from plcopen.structures import TestIdentifier, IEC_KEYWORDS

    28 

    29 def GetActionLanguages():

    30     _ = lambda x : x

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

    32 ACTION_LANGUAGES_DICT = dict([(_(language), language) for language in GetActionLanguages()])

    33 

    34 class PouActionDialog(wx.Dialog):

    35     

    36     def __init__(self, parent):

    37         wx.Dialog.__init__(self, parent, size=wx.Size(320, 160), 

    38               title=_('Create a new action'))

    39         

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

    41         main_sizer.AddGrowableCol(0)

    42         main_sizer.AddGrowableRow(0)

    43         

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

    45         infos_sizer.AddGrowableCol(1)

    46         main_sizer.AddSizer(infos_sizer, border=20, 

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

    48         

    49         actionname_label = wx.StaticText(self, label=_('Action Name:'))

    50         infos_sizer.AddWindow(actionname_label, border=4, 

    51               flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)

    52         

    53         self.ActionName = wx.TextCtrl(self)

    54         infos_sizer.AddWindow(self.ActionName, flag=wx.GROW)

    55         

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

    57         infos_sizer.AddWindow(language_label, border=4, 

    58               flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)

    59         

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

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

    62         

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

    64         self.Bind(wx.EVT_BUTTON, self.OnOK, 

    65               button_sizer.GetAffirmativeButton())

    66         main_sizer.AddSizer(button_sizer, border=20, 

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

    68             

    69         self.SetSizer(main_sizer)

    70         

    71         for option in GetActionLanguages():

    72             self.Language.Append(_(option))

    73         

    74         self.PouNames = []

    75         self.PouElementNames = []

    76     

    77     def OnOK(self, event):

    78         error = []

    79         action_name = self.ActionName.GetValue()

    80         if action_name == "":

    81             error.append(_("Action Name"))

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

    83             error.append(_("Language"))

    84         message = None

    85         if len(error) > 0:

    86             text = ""

    87             for i, item in enumerate(error):

    88                 if i == 0:

    89                     text += item

    90                 elif i == len(error) - 1:

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

    92                 else:

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

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

    95         elif not TestIdentifier(action_name):

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

    97         elif action_name.upper() in IEC_KEYWORDS:

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

    99         elif action_name.upper() in self.PouNames:

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

   101         elif action_name.upper() in self.PouElementNames:

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

   103         if message is not None:

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

   105             dialog.ShowModal()

   106             dialog.Destroy()

   107         else:

   108             self.EndModal(wx.ID_OK)

   109     

   110     def SetPouNames(self, pou_names):

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

   112         

   113     def SetPouElementNames(self, element_names):

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

   115         

   116     def SetValues(self, values):

   117         for item, value in values.items():

   118             if item == "actionName":

   119                 self.ActionName.SetValue(value)

   120             elif item == "language":

   121                 self.Language.SetStringSelection(_(value))

   122                 

   123     def GetValues(self):

   124         values = {}

   125         values["actionName"] = self.ActionName.GetValue()

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

   127         return values

   128