1

# -*- coding: utf-8 -*-

     2

     3

# This file is part of Beremiz, a Integrated Development Environment for

     4

# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.

     5

#

     6

# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

     7

#

     8

# See COPYING file for copyrights details.

     9

#

    10

# This program is free software; you can redistribute it and/or

    11

# modify it under the terms of the GNU General Public License

    12

# as published by the Free Software Foundation; either version 2

    13

# of the License, or (at your option) any later version.

    14

#

    15

# This program is distributed in the hope that it will be useful,

    16

# but WITHOUT ANY WARRANTY; without even the implied warranty of

    17

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    18

# GNU General Public License for more details.

    19

#

    20

# You should have received a copy of the GNU General Public License

    21

# along with this program; if not, write to the Free Software

    22

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    23

    24

import re

    25

from types import TupleType

    26

    27

import wx

    28

    29

from controls import CustomEditableListBox

    30

    31

# -------------------------------------------------------------------------------

    32

#                                  Helpers

    33

# -------------------------------------------------------------------------------

    34

    35

DIMENSION_MODEL = re.compile("([0-9]+)\.\.([0-9]+)$")

    36

    37

# -------------------------------------------------------------------------------

    38

#                             Array Type Dialog

    39

# -------------------------------------------------------------------------------

    40

    41

    42

class ArrayTypeDialog(wx.Dialog):

    43

    44

    def __init__(self, parent, datatypes, infos):

    45

        wx.Dialog.__init__(self, parent, title=_('Edit array type properties'))

    46

    47

        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)

    48

        main_sizer.AddGrowableCol(0)

    49

        main_sizer.AddGrowableRow(1)

    50

    51

        top_sizer = wx.BoxSizer(wx.HORIZONTAL)

    52

        main_sizer.AddSizer(top_sizer, border=20,

    53

                            flag=wx.GROW | wx.TOP | wx.LEFT | wx.RIGHT)

    54

    55

        basetype_label = wx.StaticText(self, label=_('Base Type:'))

    56

        top_sizer.AddWindow(basetype_label, 1, flag=wx.ALIGN_BOTTOM)

    57

    58

        self.BaseType = wx.ComboBox(self, style=wx.CB_READONLY)

    59

        top_sizer.AddWindow(self.BaseType, 1, flag=wx.GROW)

    60

    61

        self.Dimensions = CustomEditableListBox(self, label=_("Dimensions:"),

    62

                                                style=(wx.gizmos.EL_ALLOW_NEW |

    63

                                                       wx.gizmos.EL_ALLOW_EDIT |

    64

                                                       wx.gizmos.EL_ALLOW_DELETE))

    65

        for func in ["_OnLabelEndEdit",

    66

                     "_OnAddButton",

    67

                     "_OnDelButton",

    68

                     "_OnUpButton",

    69

                     "_OnDownButton"]:

    70

            setattr(self.Dimensions, func, self.OnDimensionsChanged)

    71

        main_sizer.AddSizer(self.Dimensions, border=20,

    72

                            flag=wx.GROW | wx.LEFT | wx.RIGHT)

    73

    74

        button_sizer = self.CreateButtonSizer(wx.OK | wx.CANCEL | wx.CENTRE)

    75

        self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())

    76

        main_sizer.AddSizer(button_sizer, border=20,

    77

                            flag=wx.ALIGN_RIGHT | wx.BOTTOM | wx.LEFT | wx.RIGHT)

    78

    79

        self.SetSizer(main_sizer)

    80

    81

        for datatype in datatypes:

    82

            self.BaseType.Append(datatype)

    83

    84

        if isinstance(infos, TupleType) and infos[0] == "array":

    85

            self.BaseType.SetStringSelection(infos[1])

    87

        elif infos in datatypes:

    88

            self.BaseType.SetStringSelection(infos)

    89

    90

        self.BaseType.SetFocus()

    91

        self.Fit()

    92

    93

    def GetDimensions(self):

    94

        message = None

    95

        dimensions_list = []

    96

        dimension_strings = self.Dimensions.GetStrings()

    97

        if len(dimension_strings) == 0:

    98

            message = _("Empty dimension isn't allowed.")

    99

   100

        for dimensions in dimension_strings:

   101

            result = DIMENSION_MODEL.match(dimensions)

   102

            if result is None:

   103

                message = _("\"%s\" value isn't a valid array dimension!") % dimensions

   104

                break

   105

            bounds = result.groups()

   106

            if int(bounds[0]) >= int(bounds[1]):

   107

                message = _("\"%s\" value isn't a valid array dimension!\nRight value must be greater than left value.") % dimensions

   108

                break

   109

            dimensions_list.append(bounds)

   110

   111

        if message is not None:

   112

            dlg = wx.MessageDialog(self, message, _("Error"), wx.OK | wx.ICON_ERROR)

   113

            dlg.ShowModal()

   114

            dlg.Destroy()

   115

            return None

   116

        return dimensions_list

   117

   118

    def OnDimensionsChanged(self, event):

   119

        wx.CallAfter(self.GetDimensions)

   120

        event.Skip()

   121

   122

    def OnOK(self, event):

   123

        if self.GetDimensions() is not None:

   124

            self.EndModal(wx.ID_OK)

   125

   126

    def GetValue(self):

   127

        return "array", self.BaseType.GetStringSelection(), self.GetDimensions()