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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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[ID_SEARCHINPROJECTDIALOG, ID_SEARCHINPROJECTDIALOGPATTERNLABEL, 

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 ID_SEARCHINPROJECTDIALOGPATTERN, ID_SEARCHINPROJECTDIALOGCASESENSITIVE,

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 ID_SEARCHINPROJECTDIALOGREGULAREXPRESSION, ID_SEARCHINPROJECTDIALOGSCOPESTATICBOX, 

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 ID_SEARCHINPROJECTDIALOGWHOLEPROJECT, ID_SEARCHINPROJECTDIALOGONLYELEMENTS,

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 ID_SEARCHINPROJECTDIALOGELEMENTSLIST,

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] = [wx.NewId() for _init_ctrls in range(9)]

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class SearchInProjectDialog(wx.Dialog):

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    if wx.VERSION < (2, 6, 0):

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        def Bind(self, event, function, id = None):

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            if id is not None:

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                event(self, id, function)

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            else:

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                event(self, function)

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    def _init_coll_MainSizer_Items(self, parent):

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        parent.AddSizer(self.PatternSizer, 0, border=20, flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)

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        parent.AddSizer(self.ScopeSizer, 0, border=20, flag=wx.GROW|wx.LEFT|wx.RIGHT)

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

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    def _init_coll_MainSizer_Growables(self, parent):

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        parent.AddGrowableCol(0)

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        parent.AddGrowableRow(1)

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    def _init_coll_PatternSizer_Items(self, parent):

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        parent.AddWindow(self.PatternLabel, 0, border=0, flag=wx.ALIGN_BOTTOM)

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        parent.AddWindow(self.CaseSensitive, 0, border=0, flag=wx.GROW)

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        parent.AddWindow(self.Pattern, 0, border=0, flag=wx.GROW)

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        parent.AddWindow(self.RegularExpression, 0, border=0, flag=wx.GROW)

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    def _init_coll_PatternSizer_Growables(self, parent):

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        parent.AddGrowableCol(0)

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    def _init_coll_ScopeSizer_Items(self, parent):

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        parent.AddSizer(self.ScopeSelectionSizer, 1, border=5, flag=wx.GROW|wx.TOP|wx.LEFT|wx.BOTTOM)

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        parent.AddWindow(self.ElementsList, 1, border=5, flag=wx.GROW|wx.TOP|wx.RIGHT|wx.BOTTOM)

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    def _init_coll_ScopeSelectionSizer_Items(self, parent):

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        parent.AddWindow(self.WholeProject, 0, border=5, flag=wx.GROW|wx.BOTTOM)

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        parent.AddWindow(self.OnlyElements, 0, border=0, flag=wx.GROW)

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    def _init_sizers(self):

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

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        self.PatternSizer = wx.FlexGridSizer(cols=2, hgap=5, rows=2, vgap=5)

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        self.ScopeSizer = wx.StaticBoxSizer(self.ScopeStaticBox, wx.HORIZONTAL)

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        self.ScopeSelectionSizer = wx.BoxSizer(wx.VERTICAL)

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        self._init_coll_MainSizer_Items(self.MainSizer)

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        self._init_coll_MainSizer_Growables(self.MainSizer)

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        self._init_coll_PatternSizer_Items(self.PatternSizer)

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        self._init_coll_PatternSizer_Growables(self.PatternSizer)

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        self._init_coll_ScopeSizer_Items(self.ScopeSizer)

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        self._init_coll_ScopeSelectionSizer_Items(self.ScopeSelectionSizer)

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        self.SetSizer(self.MainSizer)

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    def _init_ctrls(self, prnt):

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        wx.Dialog.__init__(self, id=ID_SEARCHINPROJECTDIALOG,

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              name='SearchInProjectDialog', parent=prnt,

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              size=wx.Size(600, 300), style=wx.DEFAULT_DIALOG_STYLE|wx.RESIZE_BORDER,

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              title=_('Search in Project'))

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        self.PatternLabel = wx.StaticText(id=ID_SEARCHINPROJECTDIALOGPATTERNLABEL,

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              label=_('Pattern to search:'), name='PatternLabel', parent=self,

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

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        self.Pattern = wx.TextCtrl(id=ID_SEARCHINPROJECTDIALOGPATTERN,

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

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              size=wx.Size(0, 24), style=0)

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        self.CaseSensitive = wx.CheckBox(id=ID_SEARCHINPROJECTDIALOGCASESENSITIVE,

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              label=_('Case sensitive'), name='CaseSensitive', parent=self, 

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

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        self.RegularExpression = wx.CheckBox(id=ID_SEARCHINPROJECTDIALOGREGULAREXPRESSION,

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              label=_('Regular expression'), name='RegularExpression', parent=self, 

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

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        self.ScopeStaticBox = wx.StaticBox(id=ID_SEARCHINPROJECTDIALOGSCOPESTATICBOX,

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              label=_('Scope'), name='ScopeStaticBox', parent=self,

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

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        self.WholeProject = wx.RadioButton(id=ID_SEARCHINPROJECTDIALOGWHOLEPROJECT,

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              label=_('Whole Project'), name='WholeProject', parent=self,

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              pos=wx.Point(0, 0), size=wx.Size(0, 24), style=wx.RB_GROUP)

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        self.Bind(wx.EVT_RADIOBUTTON, self.OnScopeChanged, id=ID_SEARCHINPROJECTDIALOGWHOLEPROJECT)

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        self.WholeProject.SetValue(True)

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        self.OnlyElements = wx.RadioButton(id=ID_SEARCHINPROJECTDIALOGONLYELEMENTS,

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              label=_('Only Elements'), name='OnlyElements', parent=self,

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              pos=wx.Point(0, 0), size=wx.Size(0, 24), style=0)

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        self.Bind(wx.EVT_RADIOBUTTON, self.OnScopeChanged, id=ID_SEARCHINPROJECTDIALOGONLYELEMENTS)

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        self.OnlyElements.SetValue(False)

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        self.ElementsList = wx.CheckListBox(id=ID_SEARCHINPROJECTDIALOGELEMENTSLIST,

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

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              size=wx.Size(0, 0), style=0)

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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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        if wx.VERSION >= (2, 5, 0):

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            ok_button = self.ButtonSizer.GetAffirmativeButton()

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        else:

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            ok_button = self.ButtonSizer.GetChildren()[0].GetSizer().GetChildren()[0].GetWindow()

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        ok_button.SetLabel(_('Search'))

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        self.Bind(wx.EVT_BUTTON, self.OnOK, id=ok_button.GetId())

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        self._init_sizers()

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    def __init__(self, parent):

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        self._init_ctrls(parent)

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        for name, label in GetElementsChoices():

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            self.ElementsList.Append(_(label))

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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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            message = wx.MessageDialog(self, _("Form isn't complete. Pattern to search must be filled!"), _("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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            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:

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                message = wx.MessageDialog(self, _("Syntax error in regular expression of pattern to search!"), _("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)