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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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from __future__ import absolute_import

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from __future__ import division

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import re

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from builtins import str as text

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import wx

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import wx.grid

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import wx.lib.buttons

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from six import string_types

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from six.moves import xrange

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from plcopen.structures import LOCATIONDATATYPES, TestIdentifier, IEC_KEYWORDS, DefaultType

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from plcopen.VariableInfoCollector import _VariableInfos

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from graphics.GraphicCommons import REFRESH_HIGHLIGHT_PERIOD, ERROR_HIGHLIGHT

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from dialogs.ArrayTypeDialog import ArrayTypeDialog

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from controls.CustomGrid import CustomGrid

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from controls.CustomTable import CustomTable

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from controls.LocationCellEditor import LocationCellEditor

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from util.BitmapLibrary import GetBitmap

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from util.TranslationCatalogs import NoTranslate

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

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#                                 Helpers

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

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    52

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[

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    TITLE, EDITORTOOLBAR, FILEMENU, EDITMENU, DISPLAYMENU, PROJECTTREE,

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    POUINSTANCEVARIABLESPANEL, LIBRARYTREE, SCALING, PAGETITLES

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] = range(10)

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    58

    59

def GetVariableTableColnames(location):

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    _ = NoTranslate

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    cols = ["#",

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            _("Name"),

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            _("Class"),

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            _("Type"),

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            _("Location"),

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            _("Initial Value"),

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            _("Option"),

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            _("Documentation")]

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    if not location:

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        del cols[4]  # remove 'Location' column

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    return cols

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    73

    74

def GetOptions(constant=True, retain=True, non_retain=True):

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    _ = NoTranslate

    76

    options = [""]

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    if constant:

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        options.append(_("Constant"))

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    if retain:

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        options.append(_("Retain"))

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    if non_retain:

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        options.append(_("Non-Retain"))

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    return options

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    85

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def GetFilterChoiceTransfer():

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    _ = NoTranslate

    88

    return {_("All"): _("All"), _("Interface"): _("Interface"),

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            _("   Input"): _("Input"), _("   Output"): _("Output"), _("   InOut"): _("InOut"),

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            _("   External"): _("External"), _("Variables"): _("Variables"), _("   Local"): _("Local"),

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            _("   Temp"): _("Temp"), _("Global"): _("Global")}  # , _("Access") : _("Access")}

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    93

    94

CheckOptionForClass = {

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    "Local": lambda x: x,

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    "Temp": lambda x: "",

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    "Input": lambda x: {"Retain": "Retain", "Non-Retain": "Non-Retain"}.get(x, ""),

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    "InOut": lambda x: "",

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    "Output": lambda x: {"Retain": "Retain", "Non-Retain": "Non-Retain"}.get(x, ""),

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    "Global": lambda x: {"Constant": "Constant", "Retain": "Retain"}.get(x, ""),

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    "External": lambda x: {"Constant": "Constant"}.get(x, "")

   102

}

   103

   104

LOCATION_MODEL = re.compile(r"((?:%[IQM](?:\*|(?:[XBWLD]?[0-9]+(?:\.[0-9]+)*)))?)$")

   105

LOCATION_MODEL_SET = re.compile(r"((?:%[IQM](?:[XBWLD]?[0-9]+(?:\.[0-9]+)*))?)$")

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   107

   108

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

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#                            Variables Panel Table

   110

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

   111

   112

   113

class VariableTable(CustomTable):

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   115

    """

   116

    A custom wx.grid.Grid Table using user supplied data

   117

    """

   118

    def __init__(self, parent, data, colnames):

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        # The base class must be initialized *first*

   120

        CustomTable.__init__(self, parent, data, colnames)

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        self.old_value = None

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        self.OPTIONS_DICT = dict([(_(option), option)

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                                  for option in GetOptions()])

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        self.VARIABLE_CLASSES_DICT = dict([(_(_class), _class)

   125

                                           for _class in GetFilterChoiceTransfer().itervalues()])

   126

   127

    def GetValueByName(self, row, colname):

   128

        if row < self.GetNumberRows():

   129

            return getattr(self.data[row], colname)

   130

   131

    def SetValueByName(self, row, colname, value):

   132

        if row < self.GetNumberRows():

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            setattr(self.data[row], colname, value)

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   135

    def GetValue(self, row, col):

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        if row < self.GetNumberRows():

   137

            if col == 0:

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                return self.data[row].Number

   139

            colname = self.GetColLabelValue(col, False)

   140

            if colname == "Initial Value":

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                colname = "InitialValue"

   142

            value = getattr(self.data[row], colname, "")

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            if colname == "Type" and isinstance(value, tuple):

   144

                if value[0] == "array":

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                    return "ARRAY [%s] OF %s" % (",".join(map("..".join, value[2])), value[1])

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            if not isinstance(value, string_types):

   147

                value = str(value)

   148

            if colname in ["Class", "Option"]:

   149

                return _(value)

   150

            return value

   151

   152

    def SetValue(self, row, col, value):

   153

        if col < len(self.colnames):

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            colname = self.GetColLabelValue(col, False)

   155

            if colname == "Name":

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                self.old_value = getattr(self.data[row], colname)

   157

            elif colname == "Class":

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                value = self.VARIABLE_CLASSES_DICT[value]

   159

                self.SetValueByName(row, "Option", CheckOptionForClass[value](self.GetValueByName(row, "Option")))

   160

                if value == "External":

   161

                    self.SetValueByName(row, "InitialValue", "")

   162

            elif colname == "Option":

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                value = self.OPTIONS_DICT[value]

   164

            elif colname == "Initial Value":

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                colname = "InitialValue"

   166

            setattr(self.data[row], colname, value)

   167

   168

    def GetOldValue(self):

   169

        return self.old_value

   170

   171

    def _GetRowEdit(self, row):

   172

        row_edit = self.GetValueByName(row, "Edit")

   173

        var_type = self.Parent.GetTagName()

   174

        bodytype = self.Parent.Controler.GetEditedElementBodyType(var_type)

   175

        if bodytype in ["ST", "IL"]:

   176

            row_edit = True

   177

        return row_edit

   178

   179

    def _updateColAttrs(self, grid):

   180

        """

   181

        wx.grid.Grid -> update the column attributes to add the

   182

        appropriate renderer given the column name.

   183

   184

        Otherwise default to the default renderer.

   185

        """

   186

        for row in range(self.GetNumberRows()):

   187

            var_class = self.GetValueByName(row, "Class")

   188

            var_type = self.GetValueByName(row, "Type")

   189

            row_highlights = self.Highlights.get(row, {})

   190

            for col in range(self.GetNumberCols()):

   191

                editor = None

   192

                renderer = None

   193

                colname = self.GetColLabelValue(col, False)

   194

                if self.Parent.Debug:

   195

                    grid.SetReadOnly(row, col, True)

   196

                else:

   197

                    if colname == "Option":

   198

                        options = GetOptions(constant=var_class in ["Local", "External", "Global"],

   199

                                             retain=self.Parent.ElementType != "function" and var_class in ["Local", "Input", "Output", "Global"],

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                                             non_retain=self.Parent.ElementType != "function" and var_class in ["Local", "Input", "Output"])

   201

                        if len(options) > 1:

   202

                            editor = wx.grid.GridCellChoiceEditor()

   203

                            editor.SetParameters(",".join(map(_, options)))

   204

                        else:

   205

                            grid.SetReadOnly(row, col, True)

   206

                    elif col != 0 and self._GetRowEdit(row):

   207

                        grid.SetReadOnly(row, col, False)

   208

                        if colname == "Name":

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                            editor = wx.grid.GridCellTextEditor()

   210

                            renderer = wx.grid.GridCellStringRenderer()

   211

                        elif colname == "Initial Value":

   212

                            if var_class not in ["External", "InOut"]:

   213

                                if self.Parent.Controler.IsEnumeratedType(var_type):

   214

                                    editor = wx.grid.GridCellChoiceEditor()

   215

                                    editor.SetParameters(",".join([""] + self.Parent.Controler.GetEnumeratedDataValues(var_type)))

   216

                                else:

   217

                                    editor = wx.grid.GridCellTextEditor()

   218

                                renderer = wx.grid.GridCellStringRenderer()

   219

                            else:

   220

                                grid.SetReadOnly(row, col, True)

   221

                        elif colname == "Location":

   222

                            if var_class in ["Local", "Global"] and self.Parent.Controler.IsLocatableType(var_type):

   223

                                editor = LocationCellEditor(self, self.Parent.Controler)

   224

                                renderer = wx.grid.GridCellStringRenderer()

   225

                            else:

   226

                                grid.SetReadOnly(row, col, True)

   227

                        elif colname == "Class":

   228

                            if len(self.Parent.ClassList) == 1:

   229

                                grid.SetReadOnly(row, col, True)

   230

                            else:

   231

                                editor = wx.grid.GridCellChoiceEditor()

   232

                                excluded = []

   233

                                if self.Parent.IsFunctionBlockType(var_type):

   234

                                    excluded.extend(["Local", "Temp"])

   235

                                editor.SetParameters(",".join([_(choice) for choice in self.Parent.ClassList if choice not in excluded]))

   236

                    elif colname != "Documentation":

   237

                        grid.SetReadOnly(row, col, True)

   238

   239

                grid.SetCellEditor(row, col, editor)

   240

                grid.SetCellRenderer(row, col, renderer)

   241

   242

                if colname == "Location" and LOCATION_MODEL.match(self.GetValueByName(row, colname)) is None:

   243

                    highlight_colours = ERROR_HIGHLIGHT

   244

                else:

   245

                    highlight_colours = row_highlights.get(colname.lower(), [(wx.WHITE, wx.BLACK)])[-1]

   246

                grid.SetCellBackgroundColour(row, col, highlight_colours[0])

   247

                grid.SetCellTextColour(row, col, highlight_colours[1])

   248

            self.ResizeRow(grid, row)

   249

   250

   251

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

   252

#                         Variable Panel Drop Target

   253

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

   254

   255

   256

class VariableDropTarget(wx.TextDropTarget):

   257

    '''

   258

    This allows dragging a variable location from somewhere to the Location

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    column of a variable row.

   260

   261

    The drag source should be a TextDataObject containing a Python tuple like:

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        ('%ID0.0.0', 'location', 'REAL')

   263

   264

    c_ext/CFileEditor.py has an example of this (you can drag a C extension

   265

    variable to the Location column of the variable panel).

   266

    '''

   267

    def __init__(self, parent):

   268

        wx.TextDropTarget.__init__(self)

   269

        self.ParentWindow = parent

   270

   271

    def OnDropText(self, x, y, data):

   272

        self.ParentWindow.ParentWindow.Select()

   273

        x, y = self.ParentWindow.VariablesGrid.CalcUnscrolledPosition(x, y)

   274

        col = self.ParentWindow.VariablesGrid.XToCol(x)

   275

        row = self.ParentWindow.VariablesGrid.YToRow(y)

   276

        message = None

   277

        element_type = self.ParentWindow.ElementType

   278

        try:

   279

            values = eval(data)

   280

        except Exception:

   281

            message = _("Invalid value \"%s\" for variable grid element") % data

   282

            values = None

   283

        if not isinstance(values, tuple):

   284

            message = _("Invalid value \"%s\" for variable grid element") % data

   285

            values = None

   286

        if values is not None:

   287

            if col != wx.NOT_FOUND and row != wx.NOT_FOUND:

   288

                colname = self.ParentWindow.Table.GetColLabelValue(col, False)

   289

                if colname == "Location" and values[1] == "location":

   290

                    if not self.ParentWindow.Table.GetValueByName(row, "Edit"):

   291

                        message = _("Can't give a location to a function block instance")

   292

                    elif self.ParentWindow.Table.GetValueByName(row, "Class") not in ["Local", "Global"]:

   293

                        message = _("Can only give a location to local or global variables")

   294

                    else:

   295

                        location = values[0]

   296

                        variable_type = self.ParentWindow.Table.GetValueByName(row, "Type")

   297

                        base_type = self.ParentWindow.Controler.GetBaseType(variable_type)

   298

   299

                        if values[2] is not None:

   300

                            base_location_type = self.ParentWindow.Controler.GetBaseType(values[2])

   301

                            if values[2] != variable_type and base_type != base_location_type:

   302

                                message = _("Incompatible data types between \"{a1}\" and \"{a2}\"").\

   303

                                          format(a1=values[2], a2=variable_type)

   304

   305

                        if message is None:

   306

                            if not location.startswith("%"):

   307

                                if location[0].isdigit() and base_type != "BOOL":

   308

                                    message = _("Incompatible size of data between \"%s\" and \"BOOL\"") % location

   309

                                elif location[0] not in LOCATIONDATATYPES:

   310

                                    message = _("Unrecognized data size \"%s\"") % location[0]

   311

                                elif base_type not in LOCATIONDATATYPES[location[0]]:

   312

                                    message = _("Incompatible size of data between \"{a1}\" and \"{a2}\"").\

   313

                                              format(a1=location, a2=variable_type)

   314

                                else:

   315

                                    dialog = wx.SingleChoiceDialog(

   316

                                        self.ParentWindow.ParentWindow.ParentWindow,

   317

                                        _("Select a variable class:"),

   318

                                        _("Variable class"),

   319

                                        [_("Input"), _("Output"), _("Memory")],

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                                        wx.DEFAULT_DIALOG_STYLE | wx.OK | wx.CANCEL)

   321

                                    if dialog.ShowModal() == wx.ID_OK:

   322

                                        selected = dialog.GetSelection()

   323

                                    else:

   324

                                        selected = None

   325

                                    dialog.Destroy()

   326

                                    if selected is None:

   327

                                        return

   328

                                    if selected == 0:

   329

                                        location = "%I" + location

   330

                                    elif selected == 1:

   331

                                        location = "%Q" + location

   332

                                    else:

   333

                                        location = "%M" + location

   334

   335

                            if message is None:

   336

                                self.ParentWindow.Table.SetValue(row, col, location)

   337

                                self.ParentWindow.Table.ResetView(self.ParentWindow.VariablesGrid)

   338

                                self.ParentWindow.SaveValues()

   339

                elif colname == "Initial Value" and values[1] == "Constant":

   340

                    if not self.ParentWindow.Table.GetValueByName(row, "Edit"):

   341

                        message = _("Can't set an initial value to a function block instance")

   342

                    else:

   343

                        self.ParentWindow.Table.SetValue(row, col, values[0])

   344

                        self.ParentWindow.Table.ResetView(self.ParentWindow.VariablesGrid)

   345

                        self.ParentWindow.SaveValues()

   346

            elif (element_type not in ["config", "resource", "function"] and values[1] == "Global" and

   347

                  self.ParentWindow.Filter in ["All", "Interface", "External"] or

   348

                  element_type != "function" and values[1] in ["location", "NamedConstant"]):

   349

                if values[1] in ["location", "NamedConstant"]:

   350

                    var_name = values[3]

   351

                else:

   352

                    var_name = values[0]

   353

                tagname = self.ParentWindow.GetTagName()

   354

                dlg = wx.TextEntryDialog(

   355

                    self.ParentWindow.ParentWindow.ParentWindow,

   356

                    _("Confirm or change variable name"),

   357

                    _('Variable Drop'), var_name)

   358

                dlg.SetValue(var_name)

   359

                var_name = dlg.GetValue() if dlg.ShowModal() == wx.ID_OK else None

   360

                dlg.Destroy()

   361

                if var_name is None:

   362

                    return

   363

                elif var_name.upper() in [

   364

                        name.upper() for name in

   365

                        self.ParentWindow.Controler.GetProjectPouNames(self.ParentWindow.Debug)]:

   366

                    message = _("\"%s\" pou already exists!") % var_name

   367

                elif not var_name.upper() in [

   368

                        name.upper()

   369

                        for name in self.ParentWindow.Controler.

   370

                        GetEditedElementVariables(tagname, self.ParentWindow.Debug)]:

   371

                    var_infos = self.ParentWindow.DefaultValue.copy()

   372

                    var_infos.Name = var_name

   373

                    var_infos.Type = values[2]

   374

                    var_infos.Documentation = values[4]

   375

                    if values[1] == "location":

   376

                        location = values[0]

   377

                        if not location.startswith("%"):

   378

                            dialog = wx.SingleChoiceDialog(

   379

                                self.ParentWindow.ParentWindow.ParentWindow,

   380

                                _("Select a variable class:"),

   381

                                _("Variable class"),

   382

                                [_("Input"), _("Output"), _("Memory")],

   383

                                wx.DEFAULT_DIALOG_STYLE | wx.OK | wx.CANCEL)

   384

                            if dialog.ShowModal() == wx.ID_OK:

   385

                                selected = dialog.GetSelection()

   386

                            else:

   387

                                selected = None

   388

                            dialog.Destroy()

   389

                            if selected is None:

   390

                                return

   391

                            if selected == 0:

   392

                                location = "%I" + location

   393

                            elif selected == 1:

   394

                                location = "%Q" + location

   395

                            else:

   396

                                location = "%M" + location

   397

                        if element_type == "functionBlock":

   398

                            configs = self.ParentWindow.Controler.GetProjectConfigNames(

   399

                                self.ParentWindow.Debug)

   400

                            if len(configs) == 0:

   401

                                return

   402

                            if not var_name.upper() in [

   403

                                    name.upper() for name in

   404

                                    self.ParentWindow.Controler.GetConfigurationVariableNames(configs[0])]:

   405

                                self.ParentWindow.Controler.AddConfigurationGlobalVar(

   406

                                    configs[0], values[2], var_name, location, "")

   407

                            var_infos.Class = "External"

   408

                        else:

   409

                            if element_type == "program":

   410

                                var_infos.Class = "Local"

   411

                            else:

   412

                                var_infos.Class = "Global"

   413

                            var_infos.Location = location

   414

                    elif values[1] == "NamedConstant":

   415

                        if element_type in ["functionBlock", "program"]:

   416

                            var_infos.Class = "Local"

   417

                            var_infos.InitialValue = values[0]

   418

                        else:

   419

                            return

   420

                    else:

   421

                        var_infos.Class = "External"

   422

                    var_infos.Number = len(self.ParentWindow.Values)

   423

                    self.ParentWindow.Values.append(var_infos)

   424

                    self.ParentWindow.SaveValues()

   425

                    self.ParentWindow.RefreshValues()

   426

                else:

   427

                    message = _("\"%s\" element for this pou already exists!") % var_name

   428

   429

        if message is not None:

   430

            wx.CallAfter(self.ShowMessage, message)

   431

   432

    def ShowMessage(self, message):

   433

        message = wx.MessageDialog(self.ParentWindow, message, _("Error"), wx.OK | wx.ICON_ERROR)

   434

        message.ShowModal()

   435

        message.Destroy()

   436

   437

   438

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

   439

#                               Variable Panel

   440

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

   441

   442

   443

class VariablePanel(wx.Panel):

   444

   445

    def __init__(self, parent, window, controler, element_type, debug=False):

   446

        wx.Panel.__init__(self, parent, style=wx.TAB_TRAVERSAL)

   447

   448

        self.VARIABLE_CHOICES_DICT = dict([(_(_class), _class) for

   449

                                           _class in GetFilterChoiceTransfer().iterkeys()])

   450

   451

        self.MainSizer = wx.FlexGridSizer(cols=1, hgap=10, rows=2, vgap=0)

   452

        self.MainSizer.AddGrowableCol(0)

   453

        self.MainSizer.AddGrowableRow(1)

   454

   455

        controls_sizer = wx.FlexGridSizer(cols=10, hgap=5, rows=1, vgap=5)

   456

        controls_sizer.AddGrowableCol(5)

   457

        controls_sizer.AddGrowableRow(0)

   458

        self.MainSizer.AddSizer(controls_sizer, border=5, flag=wx.GROW | wx.ALL)

   459

   460

        self.ReturnTypeLabel = wx.StaticText(self, label=_('Return Type:'))

   461

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

   462

   463

        self.ReturnType = wx.ComboBox(self,

   464

                                      size=wx.Size(145, -1), style=wx.CB_READONLY)

   465

        self.Bind(wx.EVT_COMBOBOX, self.OnReturnTypeChanged, self.ReturnType)

   466

        controls_sizer.AddWindow(self.ReturnType)

   467

   468

        self.DescriptionLabel = wx.StaticText(self, label=_('Description:'))

   469

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

   470

   471

        self.Description = wx.TextCtrl(self,

   472

                                       size=wx.Size(250, -1), style=wx.TE_PROCESS_ENTER)

   473

        self.Bind(wx.EVT_TEXT_ENTER, self.OnDescriptionChanged, self.Description)

   474

        self.Description.Bind(wx.EVT_KILL_FOCUS, self.OnDescriptionChanged)

   475

        controls_sizer.AddWindow(self.Description)

   476

   477

        class_filter_label = wx.StaticText(self, label=_('Class Filter:'))

   478

        controls_sizer.AddWindow(class_filter_label, flag=wx.ALIGN_CENTER_VERTICAL)

   479

   480

        self.ClassFilter = wx.ComboBox(self,

   481

                                       size=wx.Size(145, -1), style=wx.CB_READONLY)

   482

        self.Bind(wx.EVT_COMBOBOX, self.OnClassFilter, self.ClassFilter)

   483

        controls_sizer.AddWindow(self.ClassFilter)

   484

   485

        for name, bitmap, help in [

   486

                ("AddButton", "add_element", _("Add variable")),

   487

                ("DeleteButton", "remove_element", _("Remove variable")),

   488

                ("UpButton", "up", _("Move variable up")),