dialogs/PouTransitionDialog.py
changeset 814 5743cbdff669
child 1493 6dbebfcec074
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813:1460273f40ed 814:5743cbdff669
       
     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 #-------------------------------------------------------------------------------
       
    30 #                                POU Transition Dialog
       
    31 #-------------------------------------------------------------------------------
       
    32 
       
    33 def GetTransitionLanguages():
       
    34     _ = lambda x : x
       
    35     return [_("IL"), _("ST"), _("LD"), _("FBD")]
       
    36 TRANSITION_LANGUAGES_DICT = dict([(_(language), language) for language in GetTransitionLanguages()])
       
    37 
       
    38 class PouTransitionDialog(wx.Dialog):
       
    39     
       
    40     def __init__(self, parent):
       
    41         wx.Dialog.__init__(self, parent, size=wx.Size(350, 160),
       
    42               title=_('Create a new transition'))
       
    43         
       
    44         main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
       
    45         main_sizer.AddGrowableCol(0)
       
    46         main_sizer.AddGrowableRow(0)
       
    47         
       
    48         infos_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=3, vgap=15)
       
    49         infos_sizer.AddGrowableCol(1)
       
    50         main_sizer.AddSizer(infos_sizer, border=20, 
       
    51               flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)
       
    52         
       
    53         transitionname_label = wx.StaticText(self, label=_('Transition Name:'))
       
    54         infos_sizer.AddWindow(transitionname_label, border=4, 
       
    55               flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
       
    56 
       
    57         self.TransitionName = wx.TextCtrl(self)
       
    58         infos_sizer.AddWindow(self.TransitionName, flag=wx.GROW)
       
    59 
       
    60         language_label = wx.StaticText(self, label=_('Language:'))
       
    61         infos_sizer.AddWindow(language_label, border=4, 
       
    62               flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
       
    63         
       
    64         self.Language = wx.ComboBox(self, style=wx.CB_READONLY)
       
    65         infos_sizer.AddWindow(self.Language, flag=wx.GROW)
       
    66         
       
    67         button_sizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
       
    68         self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())
       
    69         main_sizer.AddSizer(button_sizer, border=20, 
       
    70               flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
       
    71         
       
    72         self.SetSizer(main_sizer)
       
    73         
       
    74         for language in GetTransitionLanguages():
       
    75             self.Language.Append(_(language))
       
    76             
       
    77         self.PouNames = []
       
    78         self.PouElementNames = []
       
    79         
       
    80     def OnOK(self, event):
       
    81         error = []
       
    82         transition_name = self.TransitionName.GetValue()
       
    83         if self.TransitionName.GetValue() == "":
       
    84             error.append(_("Transition Name"))
       
    85         if self.Language.GetSelection() == -1:
       
    86             error.append(_("Language"))
       
    87         message = None
       
    88         if len(error) > 0:
       
    89             text = ""
       
    90             for i, item in enumerate(error):
       
    91                 if i == 0:
       
    92                     text += item
       
    93                 elif i == len(error) - 1:
       
    94                     text += _(" and %s")%item
       
    95                 else:
       
    96                     text += _(", %s")%item 
       
    97             message = _("Form isn't complete. %s must be filled!") % text
       
    98         elif not TestIdentifier(transition_name):
       
    99             message = _("\"%s\" is not a valid identifier!") % transition_name
       
   100         elif transition_name.upper() in IEC_KEYWORDS:
       
   101             message = _("\"%s\" is a keyword. It can't be used!") % transition_name
       
   102         elif transition_name.upper() in self.PouNames:
       
   103             message = _("A POU named \"%s\" already exists!") % transition_name
       
   104         elif transition_name.upper() in self.PouElementNames:
       
   105             message = _("\"%s\" element for this pou already exists!") % transition_name
       
   106         if message is not None:
       
   107             dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)
       
   108             dialog.ShowModal()
       
   109             dialog.Destroy()
       
   110         else:
       
   111             self.EndModal(wx.ID_OK)
       
   112     
       
   113     def SetPouNames(self, pou_names):
       
   114         self.PouNames = [pou_name.upper() for pou_name in pou_names]
       
   115     
       
   116     def SetPouElementNames(self, pou_names):
       
   117         self.PouElementNames = [pou_name.upper() for pou_name in pou_names]
       
   118     
       
   119     def SetValues(self, values):
       
   120         for item, value in values.items():
       
   121             if item == "transitionName":
       
   122                 self.TransitionName.SetValue(value)
       
   123             elif item == "language":
       
   124                 self.Language.SetSelection(_(value))
       
   125                 
       
   126     def GetValues(self):
       
   127         values = {}
       
   128         values["transitionName"] = self.TransitionName.GetValue()
       
   129         values["language"] = TRANSITION_LANGUAGES_DICT[self.Language.GetStringSelection()]
       
   130         return values