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#!/usr/bin/env python

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

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#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor

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#based on the plcopen standard. 

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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 library is free software; you can redistribute it and/or

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#modify it under the terms of the GNU General Public

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#License as published by the Free Software Foundation; either

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#version 2.1 of the License, or (at your option) any later version.

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#

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#This library 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 GNU

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#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

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

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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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import re

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import wx

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RE_ESCAPED_CHARACTERS = ".*+()[]?:|{}^$<>=-,"

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def EscapeText(text):

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    text = text.replace('\\', '\\\\')

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    for c in RE_ESCAPED_CHARACTERS:

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        text = text.replace(c, '\\' + c)

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    return text

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

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#                          Search In Project Dialog

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

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def GetElementsChoices():

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    _ = lambda x: x

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    return [("datatype", _("Data Type")), 

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            ("function", _("Function")), 

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            ("functionBlock", _("Function Block")), 

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            ("program", _("Program")), 

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            ("configuration", _("Configuration"))]

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class SearchInProjectDialog(wx.Dialog):

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        self.WholeProject.SetValue(True)

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        self.OnlyElements.SetValue(False)

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        self.ElementsList.Enable(False)

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

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        ok_button.SetLabel(_('Search'))

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        for name, label in GetElementsChoices():

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            self.ElementsList.Append(_(label))

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        self.Pattern.SetFocus()

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    def GetCriteria(self):

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        raw_pattern = pattern = self.Pattern.GetValue()

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        if not self.CaseSensitive.GetValue():

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            pattern = pattern.upper()

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        if not self.RegularExpression.GetValue():

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            pattern = EscapeText(pattern)

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        criteria = {

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            "raw_pattern": raw_pattern, 

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            "pattern": re.compile(pattern),

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

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

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        }

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        if self.WholeProject.GetValue():

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            criteria["filter"] = "all"

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        elif self.OnlyElements.GetValue():

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            criteria["filter"] = []

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            for index, (name, label) in enumerate(GetElementsChoices()):

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                if self.ElementsList.IsChecked(index):

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                    criteria["filter"].append(name)

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        return criteria

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    def OnScopeChanged(self, event):

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        self.ElementsList.Enable(self.OnlyElements.GetValue())

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        event.Skip()

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    def OnOK(self, event):

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        if self.Pattern.GetValue() == "":

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        else:

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            wrong_pattern = False

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            if self.RegularExpression.GetValue():

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                try:

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                    re.compile(self.Pattern.GetValue())

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                except:

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                    wrong_pattern = True

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            if wrong_pattern: