dialogs/PouActionDialog.py
author Sergey Surkov <surkovsv93@gmail.com>
Tue, 18 Oct 2016 17:44:08 +0300
changeset 1544 2969c2123105
parent 1493 6dbebfcec074
child 1571 486f94a8032c
permissions -rw-r--r--
Fix bug with two or more wires connected to one input. Now only one wire can be connected to one input, except BOOLean signals in LD and SFC. If user trying to connect wire with already connected input, wire highlight will become red.
Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
#!/usr/bin/env python
# -*- coding: utf-8 -*-

#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
#based on the plcopen standard. 
#
#Copyright (C) 2012: Edouard TISSERANT and Laurent BESSARD
#
#See COPYING file for copyrights details.
#
#This library is free software; you can redistribute it and/or
#modify it under the terms of the GNU General Public
#License as published by the Free Software Foundation; either
#version 2.1 of the License, or (at your option) any later version.
#
#This library is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#General Public License for more details.
#
#You should have received a copy of the GNU General Public
#License along with this library; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import wx

from plcopen.structures import TestIdentifier, IEC_KEYWORDS

def GetActionLanguages():
    _ = lambda x : x
    return [_("IL"), _("ST"), _("LD"), _("FBD")]
ACTION_LANGUAGES_DICT = dict([(_(language), language) for language in GetActionLanguages()])

class PouActionDialog(wx.Dialog):
    
    def __init__(self, parent):
        wx.Dialog.__init__(self, parent, size=wx.Size(320, 200), 
              title=_('Create a new action'))
        
        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
        main_sizer.AddGrowableCol(0)
        main_sizer.AddGrowableRow(0)
        
        infos_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=3, vgap=15)
        infos_sizer.AddGrowableCol(1)
        main_sizer.AddSizer(infos_sizer, border=20, 
              flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)
        
        actionname_label = wx.StaticText(self, label=_('Action Name:'))
        infos_sizer.AddWindow(actionname_label, border=4, 
              flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
        
        self.ActionName = wx.TextCtrl(self)
        infos_sizer.AddWindow(self.ActionName, flag=wx.GROW)
        
        language_label = wx.StaticText(self, label=_('Language:'))
        infos_sizer.AddWindow(language_label, border=4, 
              flag=wx.ALIGN_CENTER_VERTICAL|wx.TOP)
        
        self.Language = wx.ComboBox(self, style=wx.CB_READONLY)
        infos_sizer.AddWindow(self.Language, flag=wx.GROW)
        
        button_sizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
        self.Bind(wx.EVT_BUTTON, self.OnOK, 
              button_sizer.GetAffirmativeButton())
        main_sizer.AddSizer(button_sizer, border=20, 
              flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
            
        self.SetSizer(main_sizer)
        
        for option in GetActionLanguages():
            self.Language.Append(_(option))
        
        self.PouNames = []
        self.PouElementNames = []
    
    def OnOK(self, event):
        error = []
        action_name = self.ActionName.GetValue()
        if action_name == "":
            error.append(_("Action Name"))
        if self.Language.GetSelection() == -1:
            error.append(_("Language"))
        message = None
        if len(error) > 0:
            text = ""
            for i, item in enumerate(error):
                if i == 0:
                    text += item
                elif i == len(error) - 1:
                    text += _(" and %s")%item
                else:
                    text += _(", %s")%item 
            message = _("Form isn't complete. %s must be filled!") % text
        elif not TestIdentifier(action_name):
            message = _("\"%s\" is not a valid identifier!") % action_name
        elif action_name.upper() in IEC_KEYWORDS:
            message = _("\"%s\" is a keyword. It can't be used!") % action_name
        elif action_name.upper() in self.PouNames:
            message = _("A POU named \"%s\" already exists!") % action_name
        elif action_name.upper() in self.PouElementNames:
            message = _("\"%s\" element for this pou already exists!") % action_name
        if message is not None:
            dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)
            dialog.ShowModal()
            dialog.Destroy()
        else:
            self.EndModal(wx.ID_OK)
    
    def SetPouNames(self, pou_names):
        self.PouNames = [pou_name.upper() for pou_name in pou_names]
        
    def SetPouElementNames(self, element_names):
        self.PouElementNames = [element_name.upper() for element_name in element_names]
        
    def SetValues(self, values):
        for item, value in values.items():
            if item == "actionName":
                self.ActionName.SetValue(value)
            elif item == "language":
                self.Language.SetStringSelection(_(value))
                
    def GetValues(self):
        values = {}
        values["actionName"] = self.ActionName.GetValue()
        values["language"] = ACTION_LANGUAGES_DICT[self.Language.GetStringSelection()]
        return values