dialogs/SFCStepNameDialog.py
author Edouard Tisserant <edouard.tisserant@gmail.com>
Thu, 20 Jul 2023 22:05:31 +0200
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Github CI: update matiec revision
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of Beremiz, a Integrated Development Environment for
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
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#
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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
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#
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# See COPYING file for copyrights details.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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import wx
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from plcopen.structures import TestIdentifier, IEC_KEYWORDS
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# -------------------------------------------------------------------------------
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#                          Edit Step Name Dialog
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# -------------------------------------------------------------------------------
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class SFCStepNameDialog(wx.TextEntryDialog):
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    def __init__(self, parent, message, caption=_("Please enter text"), defaultValue="",
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                 style=wx.OK | wx.CANCEL | wx.CENTRE, pos=wx.DefaultPosition):
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        wx.TextEntryDialog.__init__(self, parent, message, caption, defaultValue, style, pos)
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        self.PouNames = []
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        self.Variables = []
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        self.StepNames = []
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        self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetAffirmativeId())
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    def OnOK(self, event):
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        message = None
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        step_name = self.GetSizer().GetItem(1).GetWindow().GetValue()
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        if step_name == "":
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            message = _("You must type a name!")
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        elif not TestIdentifier(step_name):
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            message = _("\"%s\" is not a valid identifier!") % step_name
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        elif step_name.upper() in IEC_KEYWORDS:
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            message = _("\"%s\" is a keyword. It can't be used!") % step_name
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        elif step_name.upper() in self.PouNames:
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            message = _("A POU named \"%s\" already exists!") % step_name
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        elif step_name.upper() in self.Variables:
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            message = _("A variable with \"%s\" as name already exists in this pou!") % step_name
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        elif step_name.upper() in self.StepNames:
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            message = _("\"%s\" step already exists!") % step_name
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        if message is not None:
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            dialog = wx.MessageDialog(self, message, _("Error"), wx.OK | wx.ICON_ERROR)
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            dialog.ShowModal()
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            dialog.Destroy()
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        else:
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            self.EndModal(wx.ID_OK)
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        event.Skip()
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    def SetPouNames(self, pou_names):
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        self.PouNames = [pou_name.upper() for pou_name in pou_names]
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    def SetVariables(self, variables):
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        self.Variables = [var.Name.upper() for var in variables]
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    def SetStepNames(self, step_names):
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        self.StepNames = [step_name.upper() for step_name in step_names]