dialogs/ForceVariableDialog.py
author laurent
Sat, 12 Dec 2009 20:37:35 +0100
changeset 484 acef952101a5
parent 479 2fab0eefa66e
child 516 40290ddff19c
permissions -rw-r--r--
Adding support for excluding option when not available according to IEC 61131 standard
Disabling use of complex types (array and structure) for POU interface until matiec can generate code
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# -*- coding: utf-8 -*-
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#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
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#based on the plcopen standard. 
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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 library is free software; you can redistribute it and/or
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#modify it under the terms of the GNU General Public
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#License as published by the Free Software Foundation; either
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#version 2.1 of the License, or (at your option) any later version.
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#
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#This library 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 GNU
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#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
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#License along with this library; if not, write to the Free Software
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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import wx
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#-------------------------------------------------------------------------------
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#                            Force Variable Dialog
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#-------------------------------------------------------------------------------
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LOCATIONDATATYPES = {"X" : ["BOOL"],
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                     "B" : ["SINT", "USINT", "BYTE", "STRING"],
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                     "W" : ["INT", "UINT", "WORD", "WSTRING"],
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                     "D" : ["DINT", "UDINT", "REAL", "DWORD"],
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                     "L" : ["LINT", "ULINT", "LREAL", "LWORD"]} 
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def gen_get_function(f):
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    def get_function(v):
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        try:
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            return f(v)
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        except:
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            return None
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    return get_function
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getinteger = gen_get_function(int)
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getfloat = gen_get_function(float)
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getstring = gen_get_function(str)
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GetTypeValue = {"BOOL": lambda x: {"TRUE": True, "FALSE": False}.get(x.upper(), None),
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                "SINT": getinteger,
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                "INT": getinteger,
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                "DINT": getinteger,
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                "LINT": getinteger,
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                "USINT": getinteger,
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                "UINT": getinteger,
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                "UDINT": getinteger,
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                "ULINT": getinteger,
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                "BYTE": getinteger,
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                "WORD": getinteger,
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                "DWORD": getinteger,
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                "LWORD": getinteger,
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                "REAL": getfloat,
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                "LREAL": getfloat,
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                "STRING": getstring,
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                "WSTRING": getstring}
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class ForceVariableDialog(wx.TextEntryDialog):
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    if wx.VERSION < (2, 6, 0):
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        def Bind(self, event, function, id = None):
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            if id is not None:
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                event(self, id, function)
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            else:
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                event(self, function)
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    def __init__(self, parent, iec_type, defaultValue=""):
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        wx.TextEntryDialog.__init__(self, parent, message = _("Forcing Variable Value"), 
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                caption = _("Please enter value for a \"%s\" variable:"%iec_type), defaultValue = defaultValue, 
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                style = wx.OK|wx.CANCEL|wx.CENTRE, pos = wx.DefaultPosition)
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        self.IEC_Type = iec_type 
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        if wx.VERSION >= (2, 8, 0):
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            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(2).GetSizer().GetItem(1).GetSizer().GetAffirmativeButton().GetId())
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        elif wx.VERSION >= (2, 6, 0):
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            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetAffirmativeButton().GetId())
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        else:
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            self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetSizer().GetItem(3).GetSizer().GetChildren()[0].GetSizer().GetChildren()[0].GetWindow().GetId())
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    def OnOK(self, event):
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        value = self.GetSizer().GetItem(1).GetWindow().GetValue()
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        if value == "":
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            message = wx.MessageDialog(self, _("You must type a value!"), _("Error"), wx.OK|wx.ICON_ERROR)
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            message.ShowModal()
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            message.Destroy()
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        elif GetTypeValue[self.IEC_Type](value) is None:
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            message = wx.MessageDialog(self, _("Invalid value \"%s\" for \"%s\" variable!")%(value, self.IEC_Type), _("Error"), wx.OK|wx.ICON_ERROR)
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            message.ShowModal()
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            message.Destroy()
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        else:
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            self.EndModal(wx.ID_OK)
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    def GetValue(self):
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        return GetTypeValue[self.IEC_Type](self.GetSizer().GetItem(1).GetWindow().GetValue())