1

#!/usr/bin/env python

     2

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

     3

     4

# This file is part of Beremiz, a Integrated Development Environment for

     5

# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.

     6

#

     7

# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

     8

# Copyright (C) 2017: Andrey Skvortsov <andrej.skvortzov@gmail.com>

     9

#

    10

# See COPYING file for copyrights details.

    11

#

    12

# This program is free software; you can redistribute it and/or

    13

# modify it under the terms of the GNU General Public License

    14

# as published by the Free Software Foundation; either version 2

    15

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

    16

#

    17

# This program is distributed in the hope that it will be useful,

    18

# but WITHOUT ANY WARRANTY; without even the implied warranty of

    19

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    20

# GNU General Public License for more details.

    21

#

    22

# You should have received a copy of the GNU General Public License

    23

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

    24

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    25

    26

import wx

    27

from plcopen.plcopen import *

    28

    29

    30

class FindInPouDialog(wx.Dialog):

    31

    32

    def _init_icon(self, parent):

    33

        if parent and parent.icon:

    34

                self.SetIcon(parent.icon)

    35

    36

    def __init__(self, parent):

    37

        wx.Dialog.__init__(

    38

            self, parent, title=_("Find"),

    39

            style=wx.CAPTION | wx.CLOSE_BOX | wx.CLIP_CHILDREN | wx.RESIZE_BORDER)

    40

    41

        self._init_icon(parent)

    42

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

    43

    44

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

    45

        main_sizer.AddGrowableCol(0)

    46

        main_sizer.AddGrowableRow(0)

    47

    48

        controls_sizer = wx.BoxSizer(wx.VERTICAL)

    49

        main_sizer.AddSizer(controls_sizer, border=20,

    50

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

    51

    52

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

    53

        patterns_sizer.AddGrowableCol(1)

    54

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

    55

    56

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

    57

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

    58

    59

        self.FindPattern = wx.TextCtrl(panel)

    60

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

    61

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

    62

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

    63

    64

        params_sizer = wx.BoxSizer(wx.HORIZONTAL)

    65

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

    66

    67

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

    68

        direction_staticboxsizer = wx.StaticBoxSizer(

    69

              direction_staticbox, wx.VERTICAL)

    70

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

    71

                              flag=wx.GROW | wx.RIGHT)

    72

    73

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

    74

                                      style=wx.RB_GROUP)

    75

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

    76

                                           flag=wx.ALL | wx.GROW)

    77

    78

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

    79

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

    80

                                           flag=wx.ALL | wx.GROW)

    81

    82

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

    83

        options_staticboxsizer = wx.StaticBoxSizer(

    84

              options_staticbox, wx.VERTICAL)

    85

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

    86

    87

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

    88

        self.CaseSensitive.SetValue(True)

    89

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

    90

                                         flag=wx.ALL | wx.GROW)

    91

    92

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

    93

        self.WrapSearch.SetValue(True)

    94

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

    95

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

    96

    97

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

    98

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

    99

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

   100

   101

        buttons_sizer = wx.BoxSizer(wx.HORIZONTAL)

   102

        main_sizer.AddSizer(buttons_sizer, border=20,

   103

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

   104

   105

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

   106

        self.FindButton.SetDefault()

   107

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

   108

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

   109

   110

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

   111

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

   112

        buttons_sizer.AddWindow(self.CloseButton)

   113

   114

        # set the longest message here, to use it length to calculate

   115

        # optimal size of dialog window

   116

        self.RegExpSyntaxErrMsg = _("Syntax error in regular expression of pattern to search!")

   117

        self.StatusLabel = wx.StaticText(panel, label=self.RegExpSyntaxErrMsg)

   118

        controls_sizer.AddWindow(self.StatusLabel, flag=wx.ALIGN_CENTER_VERTICAL)

   119

   120

        panel.SetSizer(main_sizer)

   121

        main_sizer.Fit(self)

   122

   123

        # clear message after dialog size calculation

   124

        self.SetStatusText("")

   125

   126

        self.ParentWindow = parent

   127

   128

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

   129

        self.infosPrev = {}

   130

        self.criteria = {}

   131

        self.FindPattern.SetFocus()

   132

        self.RefreshButtonsState()

   133

   134

    def RefreshButtonsState(self):

   135

        find_pattern = self.FindPattern.GetValue()

   136

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

   137

   138

    def OnCloseFrame(self, event):

   139

        self.Hide()

   140

        event.Veto()

   141

   142

    def OnCloseButton(self, event):

   143

        self.Hide()

   144

        event.Skip()

   145

   146

    def OnEscapeKey(self, event):

   147

        keycode = event.GetKeyCode()

   148

        if keycode == wx.WXK_ESCAPE:

   149

            self.OnCloseButton(event)

   150

        else:

   151

            event.Skip()

   152

   153

    def OnFindPatternChanged(self, event):

   154

        self.RefreshButtonsState()

   155

        event.Skip()

   156

   157

    def SetStatusText(self, msg):

   158

        self.StatusLabel.SetLabel(msg)

   159

        self.Layout()

   160

   161

    def OnFindButton(self, event):

   162

        infos = {

   163

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

   164

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

   165

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

   166

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

   167

            "filter": "all"}

   168

   169

        if self.infosPrev != infos:

   170

            self.infosPrev = infos

   171

            message = ""

   172

            try:

   173

                self.criteria = infos

   174

                CompilePattern(self.criteria)

   175

            except Exception:

   176

                self.criteria.clear()

   177

                message = self.RegExpSyntaxErrMsg

   178

            self.SetStatusText(message)

   179

        if len(self.criteria) > 0:

   180

            wx.CallAfter(self.ParentWindow.FindInPou,

   181

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

   182

                         self.criteria)

   183

        event.Skip()