dialogs/BrowseLocationsDialog.py
author Surkov Sergey <surkovsv93@gmail.com>
Tue, 27 Jun 2017 19:21:09 +0300
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parent 1696 8043f32de7b8
child 1730 64d8f52bc8c8
permissions -rw-r--r--
fix bug with TextViewer instance in debug mode, appears after transferring new program on PLC
TextViewer isn't able to display debug values, so calling for this class SubscribeAllDataConsumers method causes error
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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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# Copyright (C) 2017: Andrey Skvortsov <andrej.skvortzov@gmail.com>
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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 os
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import wx
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from plcopen.structures import LOCATIONDATATYPES
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from PLCControler import LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP, LOCATION_VAR_INPUT, LOCATION_VAR_OUTPUT, LOCATION_VAR_MEMORY
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from util.BitmapLibrary import GetBitmap
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#-------------------------------------------------------------------------------
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#                                   Helpers
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#-------------------------------------------------------------------------------
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def GetDirFilterChoiceOptions():
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    _ = lambda x : x
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    return [(_("All"), [LOCATION_VAR_INPUT, LOCATION_VAR_OUTPUT, LOCATION_VAR_MEMORY]), 
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            (_("Input"), [LOCATION_VAR_INPUT]), 
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            (_("Output"), [LOCATION_VAR_OUTPUT]), 
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            (_("Memory"), [LOCATION_VAR_MEMORY])]
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DIRFILTERCHOICE_OPTIONS = dict([(_(option), filter) for option, filter in GetDirFilterChoiceOptions()])
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def GetTypeFilterChoiceOptions():
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    _ = lambda x : x
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    return [_("All"), 
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            _("Type and derivated"), 
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            _("Type strict")]
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# turn LOCATIONDATATYPES inside-out
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LOCATION_SIZES = {}
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for size, types in LOCATIONDATATYPES.iteritems():
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    for type in types:
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        LOCATION_SIZES[type] = size
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#-------------------------------------------------------------------------------
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#                            Browse Locations Dialog
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#-------------------------------------------------------------------------------
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class BrowseLocationsDialog(wx.Dialog):
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    def __init__(self, parent, var_type, controller):
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        wx.Dialog.__init__(self, parent, title=_('Browse Locations'),
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              style=wx.DEFAULT_DIALOG_STYLE|wx.RESIZE_BORDER)
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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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        locations_label = wx.StaticText(self, label=_('Locations available:'))
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        main_sizer.AddWindow(locations_label, border=20, 
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              flag=wx.TOP|wx.LEFT|wx.RIGHT|wx.GROW)
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        self.LocationsTree = wx.TreeCtrl(self, 
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              style=wx.TR_HAS_BUTTONS|wx.TR_SINGLE|wx.SUNKEN_BORDER|wx.TR_HIDE_ROOT|wx.TR_LINES_AT_ROOT)
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        self.LocationsTree.SetInitialSize(wx.Size(-1, 300))
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        self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnLocationsTreeItemActivated, 
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                  self.LocationsTree)
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        main_sizer.AddWindow(self.LocationsTree, border=20, 
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              flag=wx.LEFT|wx.RIGHT|wx.GROW)
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        button_gridsizer = wx.FlexGridSizer(cols=5, hgap=5, rows=1, vgap=0)
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        button_gridsizer.AddGrowableCol(1)
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        button_gridsizer.AddGrowableCol(3)
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        button_gridsizer.AddGrowableRow(0)
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        main_sizer.AddSizer(button_gridsizer, border=20, 
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              flag=wx.BOTTOM|wx.LEFT|wx.RIGHT|wx.GROW)
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        direction_label = wx.StaticText(self, label=_('Direction:'))
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        button_gridsizer.AddWindow(direction_label,
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              flag=wx.ALIGN_CENTER_VERTICAL)
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        self.DirFilterChoice = wx.ComboBox(self, style=wx.CB_READONLY)
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        self.Bind(wx.EVT_COMBOBOX, self.OnFilterChoice, self.DirFilterChoice)
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        button_gridsizer.AddWindow(self.DirFilterChoice,
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              flag=wx.GROW|wx.ALIGN_CENTER_VERTICAL)
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        filter_label = wx.StaticText(self, label=_('Type:'))
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        button_gridsizer.AddWindow(filter_label,
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              flag=wx.ALIGN_CENTER_VERTICAL)
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        self.TypeFilterChoice = wx.ComboBox(self, style=wx.CB_READONLY)
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        self.Bind(wx.EVT_COMBOBOX, self.OnFilterChoice, self.TypeFilterChoice)
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        button_gridsizer.AddWindow(self.TypeFilterChoice,
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              flag=wx.GROW|wx.ALIGN_CENTER_VERTICAL)
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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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        button_gridsizer.AddSizer(button_sizer, flag=wx.ALIGN_RIGHT)
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        self.SetSizer(main_sizer)
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        self.Controller = controller
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        self.VarType = var_type
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        self.BaseVarType = self.Controller.GetBaseType(self.VarType)
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        self.VarTypeSize = LOCATION_SIZES[self.BaseVarType]
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        self.Locations = self.Controller.GetVariableLocationTree()
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        # Define Tree item icon list
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        self.TreeImageList = wx.ImageList(16, 16)
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        self.TreeImageDict = {}
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        # Icons for items
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        for imgname, itemtype in [
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            ("CONFIGURATION", LOCATION_CONFNODE), 
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            ("RESOURCE",      LOCATION_MODULE), 
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            ("PROGRAM",       LOCATION_GROUP), 
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            ("VAR_INPUT",     LOCATION_VAR_INPUT), 
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            ("VAR_OUTPUT",    LOCATION_VAR_OUTPUT), 
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            ("VAR_LOCAL",     LOCATION_VAR_MEMORY)]:
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            self.TreeImageDict[itemtype]=self.TreeImageList.Add(GetBitmap(imgname))
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        # Assign icon list to TreeCtrls
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        self.LocationsTree.SetImageList(self.TreeImageList)
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        # Set a options for the choice
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        for option, filter in GetDirFilterChoiceOptions():
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            self.DirFilterChoice.Append(_(option))
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        self.DirFilterChoice.SetStringSelection(_("All"))
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        for option in GetTypeFilterChoiceOptions():
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            self.TypeFilterChoice.Append(_(option))
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        self.TypeFilterChoice.SetStringSelection(_("All"))
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        self.RefreshFilters()
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        self.RefreshLocationsTree()
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        self.Fit()
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    def RefreshFilters(self):
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        self.DirFilter = DIRFILTERCHOICE_OPTIONS[self.DirFilterChoice.GetStringSelection()]
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        self.TypeFilter = self.TypeFilterChoice.GetSelection()
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    def RefreshLocationsTree(self):
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        root = self.LocationsTree.GetRootItem()
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        if not root.IsOk():
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            root = self.LocationsTree.AddRoot("")
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        self.GenerateLocationsTreeBranch(root, self.Locations)
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    def FilterType(self, location_type, location_size):
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        if self.TypeFilter == 0:
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            return True
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        if location_size != self.VarTypeSize:
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            return False
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        if self.TypeFilter == 1:
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            return self.Controller.IsOfType(location_type, self.BaseVarType)
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        elif self.TypeFilter == 2:
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            return location_type == self.VarType
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        return True
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    def GenerateLocationsTreeBranch(self, root, locations):
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        to_delete = []
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        item, root_cookie = self.LocationsTree.GetFirstChild(root)
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        for loc_infos in locations:
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            infos = loc_infos.copy()
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            if infos["type"] in [LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP] or\
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               infos["type"] in self.DirFilter and self.FilterType(infos["IEC_type"], infos["size"]):
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                children = [child for child in infos.pop("children")]
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                if not item.IsOk():
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                    item = self.LocationsTree.AppendItem(root, infos["name"])
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                    if wx.Platform != '__WXMSW__':
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                        item, root_cookie = self.LocationsTree.GetNextChild(root, root_cookie)
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                else:
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                    self.LocationsTree.SetItemText(item, infos["name"])
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                self.LocationsTree.SetPyData(item, infos)
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                self.LocationsTree.SetItemImage(item, self.TreeImageDict[infos["type"]])
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                self.GenerateLocationsTreeBranch(item, children)
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                item, root_cookie = self.LocationsTree.GetNextChild(root, root_cookie)
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        while item.IsOk():
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            to_delete.append(item)
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            item, root_cookie = self.LocationsTree.GetNextChild(root, root_cookie)
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        for item in to_delete:
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            self.LocationsTree.Delete(item)
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    def OnLocationsTreeItemActivated(self, event):
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        infos = self.LocationsTree.GetPyData(event.GetItem())
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        if infos["type"] not in [LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP]:
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            wx.CallAfter(self.EndModal, wx.ID_OK)
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        event.Skip()
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    def OnFilterChoice(self, event):
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        self.RefreshFilters()
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        self.RefreshLocationsTree()
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    def GetValues(self):
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        selected = self.LocationsTree.GetSelection()
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        return self.LocationsTree.GetPyData(selected)
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    def OnOK(self, event):
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        selected = self.LocationsTree.GetSelection()
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        var_infos = None
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        if selected.IsOk():
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            var_infos = self.LocationsTree.GetPyData(selected)
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        if var_infos is None or var_infos["type"] in [LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP]:
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            dialog = wx.MessageDialog(self, _("A location must be selected!"), _("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)