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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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#

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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 wx

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from plcopen.plcopen import *

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    def _init_icon(self, parent):

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        if parent and parent.icon:

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                self.SetIcon(parent.icon)

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    def __init__(self, parent):

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                                            wx.CLOSE_BOX|

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                                            wx.CLIP_CHILDREN|

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        self._init_icon(parent)

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        panel = wx.Panel(self, style=wx.TAB_TRAVERSAL)

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        main_sizer = wx.FlexGridSizer(cols=1, hgap=5, rows=2, vgap=5)

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        main_sizer.AddGrowableCol(0)

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        main_sizer.AddGrowableRow(0)

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        controls_sizer = wx.BoxSizer(wx.VERTICAL)

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        main_sizer.AddSizer(controls_sizer, border=20, 

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

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        patterns_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=1, vgap=5)

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        patterns_sizer.AddGrowableCol(1)

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        controls_sizer.AddSizer(patterns_sizer, border=5, flag=wx.GROW|wx.BOTTOM)

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        find_label = wx.StaticText(panel, label=_("Find:"))

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        patterns_sizer.AddWindow(find_label, flag=wx.ALIGN_CENTER_VERTICAL)

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        self.FindPattern = wx.TextCtrl(panel)

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        self.Bind(wx.EVT_TEXT, self.OnFindPatternChanged, self.FindPattern)

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        self.Bind(wx.EVT_CHAR_HOOK, self.OnEscapeKey)

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        patterns_sizer.AddWindow(self.FindPattern, flag=wx.GROW)

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        params_sizer = wx.BoxSizer(wx.HORIZONTAL)

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        controls_sizer.AddSizer(params_sizer, border=5, flag=wx.GROW|wx.BOTTOM)

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        direction_staticbox = wx.StaticBox(panel, label=_("Direction"))

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        direction_staticboxsizer = wx.StaticBoxSizer(

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              direction_staticbox, wx.VERTICAL)

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        params_sizer.AddSizer(direction_staticboxsizer, 1, border=5, 

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              flag=wx.GROW|wx.RIGHT)

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        self.Forward = wx.RadioButton(panel, label=_("Forward"), 

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              style=wx.RB_GROUP)

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        direction_staticboxsizer.AddWindow(self.Forward, border=5, 

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              flag=wx.ALL|wx.GROW)

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        self.Backward = wx.RadioButton(panel, label=_("Backward"))

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        direction_staticboxsizer.AddWindow(self.Backward, border=5, 

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              flag=wx.ALL|wx.GROW)

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        options_staticbox = wx.StaticBox(panel, label=_("Options"))

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        options_staticboxsizer = wx.StaticBoxSizer(

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              options_staticbox, wx.VERTICAL)

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        params_sizer.AddSizer(options_staticboxsizer, 1, flag=wx.GROW)

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        self.CaseSensitive = wx.CheckBox(panel, label=_("Case sensitive"))

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        self.CaseSensitive.SetValue(True)

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        options_staticboxsizer.AddWindow(self.CaseSensitive, border=5, 

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              flag=wx.ALL|wx.GROW)

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        self.WrapSearch = wx.CheckBox(panel, label=_("Wrap search"))

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        self.WrapSearch.SetValue(True)

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        options_staticboxsizer.AddWindow(self.WrapSearch, border=5, 

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

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        self.RegularExpressions = wx.CheckBox(panel, label=_("Regular expressions"))

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        options_staticboxsizer.AddWindow(self.RegularExpressions, border=5, 

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

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        buttons_sizer = wx.BoxSizer(wx.HORIZONTAL)

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        main_sizer.AddSizer(buttons_sizer, border=20, 

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

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        self.FindButton = wx.Button(panel, label=_("Find"))

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        self.FindButton.SetDefault()

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        self.Bind(wx.EVT_BUTTON, self.OnFindButton, self.FindButton)

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        buttons_sizer.AddWindow(self.FindButton, border=5, flag=wx.RIGHT)

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        self.CloseButton = wx.Button(panel, label=_("Close"))

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        self.Bind(wx.EVT_BUTTON, self.OnCloseButton, self.CloseButton)

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        buttons_sizer.AddWindow(self.CloseButton)

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        panel.SetSizer(main_sizer)

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        self.ParentWindow = parent

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        self.Bind(wx.EVT_CLOSE, self.OnCloseFrame)

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        self.infosPrev = {}

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        self.criteria = {}

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        self.FindPattern.SetFocus()

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        self.RefreshButtonsState()

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    def RefreshButtonsState(self):

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        find_pattern = self.FindPattern.GetValue()

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        self.FindButton.Enable(find_pattern != "")

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    def OnCloseFrame(self, event):

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        self.Hide()

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        event.Veto()

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    def OnCloseButton(self, event):

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        self.Hide()

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        event.Skip()

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    def OnEscapeKey(self, event):

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        keycode = event.GetKeyCode()

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        if keycode == wx.WXK_ESCAPE:

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            self.OnCloseButton(event)

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        else:

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            event.Skip()

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    def OnFindPatternChanged(self, event):

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        self.RefreshButtonsState()

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        event.Skip()

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    def OnFindButton(self, event):

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        infos = {

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            "find_pattern": self.FindPattern.GetValue(),

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            "wrap": self.WrapSearch.GetValue(),

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            "case_sensitive": self.CaseSensitive.GetValue(),

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            "regular_expression": self.RegularExpressions.GetValue(),

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            "filter": "all"}

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        if self.infosPrev != infos:

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            self.infosPrev = infos

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            message = ""

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            try:

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                self.criteria = infos

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                CompilePattern(self.criteria)

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            except:

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                self.criteria.clear()

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                message = _("Syntax error in regular expression of pattern to search!")

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            self.SetStatusText(message)

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        if len(self.criteria) > 0:

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            wx.CallAfter(self.ParentWindow.FindInPou,

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                {True: 1, False:-1}[self.Forward.GetValue()],

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                self.criteria)

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        event.Skip()