dialogs/ArrayTypeDialog.py
author Laurent Bessard
Thu, 05 Sep 2013 10:36:33 +0200
changeset 1305 714f1381a09a
parent 814 5743cbdff669
child 1487 789acd7cc347
permissions -rw-r--r--
Fixed xmlclass and plcopen using precompile xpath where possible
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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 re
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from types import TupleType
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import wx
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from controls import CustomEditableListBox
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#-------------------------------------------------------------------------------
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#                                  Helpers
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#-------------------------------------------------------------------------------
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DIMENSION_MODEL = re.compile("([0-9]+)\.\.([0-9]+)$")
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#-------------------------------------------------------------------------------
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#                             Array Type Dialog
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#-------------------------------------------------------------------------------
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class ArrayTypeDialog(wx.Dialog):
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    def __init__(self, parent, datatypes, infos):
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        wx.Dialog.__init__(self, parent,
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              size=wx.Size(500, 300), title=_('Edit array type properties'))
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        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)
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        main_sizer.AddGrowableCol(0)
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        main_sizer.AddGrowableRow(1)
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        top_sizer = wx.BoxSizer(wx.HORIZONTAL)
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        main_sizer.AddSizer(top_sizer, border=20, 
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              flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)
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        basetype_label = wx.StaticText(self, label=_('Base Type:'))
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        top_sizer.AddWindow(basetype_label, 1, flag=wx.ALIGN_BOTTOM)
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        self.BaseType = wx.ComboBox(self, style=wx.CB_READONLY)
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        top_sizer.AddWindow(self.BaseType, 1, flag=wx.GROW)
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        self.Dimensions = CustomEditableListBox(self, label=_("Dimensions:"), 
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              style=wx.gizmos.EL_ALLOW_NEW|
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                    wx.gizmos.EL_ALLOW_EDIT|
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                    wx.gizmos.EL_ALLOW_DELETE)
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        for func in ["_OnLabelEndEdit", 
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                     "_OnAddButton", 
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                     "_OnDelButton", 
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                     "_OnUpButton", 
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                     "_OnDownButton"]:
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            setattr(self.Dimensions, func, self.OnDimensionsChanged)
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        main_sizer.AddSizer(self.Dimensions, border=20, 
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              flag=wx.GROW|wx.LEFT|wx.RIGHT)
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        button_sizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
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        self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())
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        main_sizer.AddSizer(button_sizer, border=20, 
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              flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
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        self.SetSizer(main_sizer)
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        for datatype in datatypes:
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            self.BaseType.Append(datatype)
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        if isinstance(infos, TupleType) and infos[0] == "array":
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            self.BaseType.SetStringSelection(infos[1])
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            self.Dimensions.SetStrings(map(lambda x : "..".join(x), infos[2]))
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        elif infos in datatypes:
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            self.BaseType.SetStringSelection(infos)
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        self.BaseType.SetFocus()
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    def GetDimensions(self):
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        dimensions_list = []
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        for dimensions in self.Dimensions.GetStrings():
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            result = DIMENSION_MODEL.match(dimensions)
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            if result is None:
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                message = wx.MessageDialog(self, _("\"%s\" value isn't a valid array dimension!")%dimensions, _("Error"), wx.OK|wx.ICON_ERROR)
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                message.ShowModal()
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                message.Destroy()
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                return None
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            bounds = result.groups()
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            if int(bounds[0]) >= int(bounds[1]):
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                message = wx.MessageDialog(self, _("\"%s\" value isn't a valid array dimension!\nRight value must be greater than left value.")%dimensions, _("Error"), wx.OK|wx.ICON_ERROR)
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                message.ShowModal()
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                message.Destroy()
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                return None
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            dimensions_list.append(bounds)
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        return dimensions_list
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    def OnDimensionsChanged(self, event):
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        wx.CallAfter(self.GetDimensions)
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        event.Skip()
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    def OnOK(self, event):
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        if self.GetDimensions() is not None:
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            self.EndModal(wx.ID_OK)
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    def GetValue(self):
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        return "array", self.BaseType.GetStringSelection(), self.GetDimensions()