dialogs/BrowseValuesLibraryDialog.py
author Edouard Tisserant
Wed, 10 Mar 2021 09:59:18 +0100
changeset 2732 a3f0e4148714
parent 1881 091005ec69c4
child 3303 0ffb41625592
permissions -rw-r--r--
Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
This is called before python thread processing py_eval blocks starts. Example purpose: attach additional ressource to web services
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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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from __future__ import absolute_import
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import wx
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class BrowseValuesLibraryDialog(wx.Dialog):
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    """
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    Modal dialog that helps in selecting predefined XML attributes sets out of hierarchically organized list
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    """
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    def __init__(self, parent, name, library, default=None):
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        wx.Dialog.__init__(self,
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                           name='BrowseValueDialog', parent=parent,
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                           style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER,
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                           title=_('Browse %s values library') % name)
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        self.staticText1 = wx.StaticText(
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            label=_('Choose a value for %s:') % name,
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            name='staticText1', parent=self,
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            pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
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        self.ValuesLibrary = wx.TreeCtrl(
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            name='ValuesLibrary', parent=self, pos=wx.Point(0, 0),
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            size=wx.Size(400, 200),
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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.ButtonSizer = self.CreateButtonSizer(wx.OK | wx.CANCEL | wx.CENTRE)
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        self.Bind(wx.EVT_BUTTON, self.OnOK, id=self.ButtonSizer.GetAffirmativeButton().GetId())
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        self.flexGridSizer1 = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)
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        self.flexGridSizer1.AddWindow(self.staticText1,   0, border=20, flag=wx.GROW | wx.TOP | wx.LEFT | wx.RIGHT)
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        self.flexGridSizer1.AddWindow(self.ValuesLibrary, 0, border=20, flag=wx.GROW | wx.LEFT | wx.RIGHT)
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        self.flexGridSizer1.AddSizer(self.ButtonSizer,    0, border=20, flag=wx.ALIGN_RIGHT | wx.BOTTOM | wx.LEFT | wx.RIGHT)
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        self.flexGridSizer1.AddGrowableCol(0)
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        self.flexGridSizer1.AddGrowableRow(1)
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        self.SetSizer(self.flexGridSizer1)
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        self.Fit()
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        root = self.ValuesLibrary.AddRoot("")
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        self.GenerateValuesLibraryBranch(root, library, default)
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    def GenerateValuesLibraryBranch(self, root, children, default):
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        for infos in children:
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            item = self.ValuesLibrary.AppendItem(root, infos["name"])
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            self.ValuesLibrary.SetPyData(item, infos["infos"])
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            if infos["infos"] is not None and infos["infos"] == default:
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                self.ValuesLibrary.SelectItem(item)
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                self.ValuesLibrary.EnsureVisible(item)
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            self.GenerateValuesLibraryBranch(item, infos["children"], default)
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    def GetValueInfos(self):
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        selected = self.ValuesLibrary.GetSelection()
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        return self.ValuesLibrary.GetPyData(selected)
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    def OnOK(self, event):
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        selected = self.ValuesLibrary.GetSelection()
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        if not selected.IsOk() or self.ValuesLibrary.GetPyData(selected) is None:
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            message = wx.MessageDialog(self, _("No valid value selected!"), _("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)