1

#!/usr/bin/env python

     2

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

     3

     4

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

     5

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

     6

#

     7

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

     8

# Copyright (C) 2017: Andrey Skvortsov <andrej.skvortzov@gmail.com>

     9

#

    10

# See COPYING file for copyrights details.

    11

#

    12

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

    13

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

    14

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

    15

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

    16

#

    17

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

    18

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

    19

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    20

# GNU General Public License for more details.

    21

#

    22

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

    23

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

    24

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

    25

    26

    27

    28

import wx

    29

    30

    31

class BrowseValuesLibraryDialog(wx.Dialog):

    32

    """

    33

    Modal dialog that helps in selecting predefined XML attributes sets out of hierarchically organized list

    34

    """

    35

    36

    def __init__(self, parent, name, library, default=None):

    37

        wx.Dialog.__init__(self,

    38

                           name='BrowseValueDialog', parent=parent,

    39

                           style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER,

    40

                           title=_('Browse %s values library') % name)

    41

    42

        self.staticText1 = wx.StaticText(

    43

            label=_('Choose a value for %s:') % name,

    44

            name='staticText1', parent=self,

    45

            pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)

    46

    47

        self.ValuesLibrary = wx.TreeCtrl(

    48

            name='ValuesLibrary', parent=self, pos=wx.Point(0, 0),

    49

            size=wx.Size(400, 200),

    50

            style=wx.TR_HAS_BUTTONS | wx.TR_SINGLE | wx.SUNKEN_BORDER | wx.TR_HIDE_ROOT | wx.TR_LINES_AT_ROOT)

    51

    52

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

    53

    54

        self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.GetAffirmativeId())

    55

    56

        self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)

    57

    58

        self.flexGridSizer1.Add(self.staticText1,   0, border=20, flag=wx.GROW | wx.TOP | wx.LEFT | wx.RIGHT)

    59

        self.flexGridSizer1.Add(self.ValuesLibrary, 0, border=20, flag=wx.GROW | wx.LEFT | wx.RIGHT)

    60

        self.flexGridSizer1.Add(self.ButtonSizer,    0, border=20, flag=wx.ALIGN_RIGHT | wx.BOTTOM | wx.LEFT | wx.RIGHT)

    61

    62

        self.flexGridSizer1.AddGrowableCol(0)

    63

        self.flexGridSizer1.AddGrowableRow(1)

    64

    65

        self.SetSizer(self.flexGridSizer1)

    66

        self.Fit()

    67

    68

        root = self.ValuesLibrary.AddRoot("")

    69

        self.GenerateValuesLibraryBranch(root, library, default)

    70

    71

    def GenerateValuesLibraryBranch(self, root, children, default):

    72

        for infos in children:

    73

            item = self.ValuesLibrary.AppendItem(root, infos["name"])

    74

            self.ValuesLibrary.SetPyData(item, infos["infos"])

    75

            if infos["infos"] is not None and infos["infos"] == default:

    76

                self.ValuesLibrary.SelectItem(item)

    77

                self.ValuesLibrary.EnsureVisible(item)

    78

            self.GenerateValuesLibraryBranch(item, infos["children"], default)

    79

    80

    def GetValueInfos(self):

    81

        selected = self.ValuesLibrary.GetSelection()

    82

        return self.ValuesLibrary.GetItemData(selected)

    83

    84

    def OnOK(self, event):

    85

        selected = self.ValuesLibrary.GetSelection()

    86

        if not selected.IsOk() or self.ValuesLibrary.GetItemData(selected) is None:

    87

            message = wx.MessageDialog(self, _("No valid value selected!"), _("Error"), wx.OK | wx.ICON_ERROR)

    88

            message.ShowModal()

    89

            message.Destroy()

    90

        else:

    91

            self.EndModal(wx.ID_OK)