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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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# Copyright (C) 2017: Andrey Skvortsov

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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 re

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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 plcopen.structures import IEC_KEYWORDS, TestIdentifier, DefaultType

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from graphics.GraphicCommons import REFRESH_HIGHLIGHT_PERIOD

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from controls import CustomEditableListBox, CustomGrid, CustomTable, CustomIntCtrl

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from dialogs import ArrayTypeDialog

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from editors.EditorPanel import EditorPanel

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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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DIMENSION_MODEL = re.compile(r"([0-9]+)\.\.([0-9]+)$")

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def AppendMenu(parent, help, kind, text):

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    return parent.Append(wx.MenuItem(helpString=help, id=wx.ID_ANY, kind=kind, text=text))

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def GetElementsTableColnames():

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    _ = NoTranslate

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    return ["#", _("Name"), _("Type"), _("Initial Value")]

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def GetDatatypeTypes():

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    _ = NoTranslate

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    return [_("Directly"), _("Subrange"), _("Enumerated"), _("Array"), _("Structure")]

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

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#                            Structure Elements Table

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

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class ElementsTable(CustomTable):

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    """

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

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    """

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

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        # The base class must be initialized *first*

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

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        self.old_value = None

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    def GetValue(self, row, col):

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        if row < self.GetNumberRows():

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            if col == 0:

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                return row + 1

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            colname = self.GetColLabelValue(col, False)

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

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

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                if value[0] == "array":

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

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            return value

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

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        if col < len(self.colnames):

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            colname = self.GetColLabelValue(col, False)

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            if colname == "Name":

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                self.old_value = self.data[row][colname]

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            self.data[row][colname] = value

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    def GetOldValue(self):

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        return self.old_value

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    def _updateColAttrs(self, grid):

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        """

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

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        appropriate renderer given the column name.

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        Otherwise default to the default renderer.

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        """

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

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

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

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                editor = None

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                renderer = None

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                colname = self.GetColLabelValue(col, False)

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                if col != 0:

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                    grid.SetReadOnly(row, col, False)

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                    if colname == "Name":

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                        editor = wx.grid.GridCellTextEditor()

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                        renderer = wx.grid.GridCellStringRenderer()

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                    elif colname == "Initial Value":

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                        editor = wx.grid.GridCellTextEditor()

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                        renderer = wx.grid.GridCellStringRenderer()

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                    elif colname == "Type":

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                        editor = wx.grid.GridCellTextEditor()

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                else:

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                    grid.SetReadOnly(row, col, True)

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                grid.SetCellEditor(row, col, editor)

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                grid.SetCellRenderer(row, col, renderer)

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

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

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

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            self.ResizeRow(grid, row)

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    def AddHighlight(self, infos, highlight_type):

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        row_highlights = self.Highlights.setdefault(infos[0], {})

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        if infos[1] == "initial":

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            col_highlights = row_highlights.setdefault("initial value", [])

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        else:

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            col_highlights = row_highlights.setdefault(infos[1], [])

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        col_highlights.append(highlight_type)

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

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#                          Datatype Editor class

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

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class DataTypeEditor(EditorPanel):

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    def _init_Editor(self, parent):

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        self.Editor = wx.Panel(parent, style=wx.SUNKEN_BORDER)

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

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        self.MainSizer.AddGrowableCol(0)

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        self.MainSizer.AddGrowableRow(1)

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        top_sizer = wx.BoxSizer(wx.HORIZONTAL)

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        self.MainSizer.Add(top_sizer, border=5,

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

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        derivation_type_label = wx.StaticText(self.Editor, label=_('Derivation Type:'))

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        top_sizer.Add(derivation_type_label, border=5,

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                            flag=wx.ALIGN_CENTER_VERTICAL | wx.LEFT | wx.RIGHT)

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        self.DerivationType = wx.ComboBox(self.Editor,

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                                          size=wx.Size(200, -1), style=wx.CB_READONLY)

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        self.Bind(wx.EVT_COMBOBOX, self.OnDerivationTypeChanged, self.DerivationType)

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        top_sizer.Add(self.DerivationType, border=5, flag=wx.GROW | wx.RIGHT)

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        typeinfos_staticbox = wx.StaticBox(self.Editor, label=_('Type infos:'))

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        typeinfos_sizer = wx.StaticBoxSizer(typeinfos_staticbox, wx.HORIZONTAL)

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        self.MainSizer.Add(typeinfos_sizer, border=5,

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

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        # Panel for Directly derived data types

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        self.DirectlyPanel = wx.Panel(self.Editor, style=wx.TAB_TRAVERSAL)

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        typeinfos_sizer.Add(self.DirectlyPanel, 1)

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        directly_panel_sizer = wx.BoxSizer(wx.HORIZONTAL)

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        directly_basetype_label = wx.StaticText(self.DirectlyPanel,

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                                                label=_('Base Type:'))

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        directly_panel_sizer.Add(directly_basetype_label, 1, border=5,

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                                       flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)

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        self.DirectlyBaseType = wx.ComboBox(self.DirectlyPanel, style=wx.CB_READONLY)

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        self.Bind(wx.EVT_COMBOBOX, self.OnInfosChanged, self.DirectlyBaseType)

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        directly_panel_sizer.Add(self.DirectlyBaseType, 1, border=5,

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                                       flag=wx.GROW | wx.ALL)

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        directly_initialvalue_label = wx.StaticText(self.DirectlyPanel,

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                                                    label=_('Initial Value:'))

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        directly_panel_sizer.Add(directly_initialvalue_label, 1, border=5,

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                                       flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)

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        self.DirectlyInitialValue = wx.TextCtrl(self.DirectlyPanel,

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                                                style=wx.TE_PROCESS_ENTER | wx.TE_RICH)

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        self.Bind(wx.EVT_TEXT_ENTER, self.OnReturnKeyPressed, self.DirectlyInitialValue)

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        directly_panel_sizer.Add(self.DirectlyInitialValue, 1, border=5,

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                                       flag=wx.ALL)

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   201

        self.DirectlyPanel.SetSizer(directly_panel_sizer)

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        # Panel for Subrange data types

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        self.SubrangePanel = wx.Panel(self.Editor, style=wx.TAB_TRAVERSAL)

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        typeinfos_sizer.Add(self.SubrangePanel, 1)

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        subrange_panel_sizer = wx.GridSizer(cols=4, hgap=5, rows=3, vgap=0)

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        subrange_basetype_label = wx.StaticText(self.SubrangePanel,

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                                                label=_('Base Type:'))

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        subrange_panel_sizer.Add(subrange_basetype_label, 1, border=5,

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                                       flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)

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        self.SubrangeBaseType = wx.ComboBox(self.SubrangePanel, style=wx.CB_READONLY)

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        self.Bind(wx.EVT_COMBOBOX, self.OnSubrangeBaseTypeChanged,

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                  self.SubrangeBaseType)

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        subrange_panel_sizer.Add(self.SubrangeBaseType, 1, border=5,

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                                       flag=wx.GROW | wx.ALL)

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        subrange_initialvalue_label = wx.StaticText(self.SubrangePanel,

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                                                    label=_('Initial Value:'))

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        subrange_panel_sizer.Add(subrange_initialvalue_label, 1, border=5,

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                                       flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)

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        self.SubrangeInitialValue = CustomIntCtrl(self.SubrangePanel, style=wx.TAB_TRAVERSAL)

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        self.SubrangeInitialValue.Bind(CustomIntCtrl.EVT_CUSTOM_INT, self.OnInfosChanged)

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        subrange_panel_sizer.Add(self.SubrangeInitialValue, 1, border=5,

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                                       flag=wx.GROW | wx.ALL)

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        subrange_minimum_label = wx.StaticText(self.SubrangePanel, label=_('Minimum:'))

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        subrange_panel_sizer.Add(subrange_minimum_label, 1, border=5,

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                                       flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)

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        self.SubrangeMinimum = CustomIntCtrl(self.SubrangePanel, style=wx.TAB_TRAVERSAL)

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        self.SubrangeMinimum.Bind(CustomIntCtrl.EVT_CUSTOM_INT, self.OnSubrangeMinimumChanged)

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        subrange_panel_sizer.Add(self.SubrangeMinimum, 1, border=5,

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                                       flag=wx.GROW | wx.ALL)

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        for dummy in range(2):

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            subrange_panel_sizer.Add(wx.Size(0, 0), 1)

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        subrange_maximum_label = wx.StaticText(self.SubrangePanel,

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                                               label=_('Maximum:'))

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        subrange_panel_sizer.Add(subrange_maximum_label, 1, border=5,

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                                       flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)

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        self.SubrangeMaximum = CustomIntCtrl(self.SubrangePanel, style=wx.TAB_TRAVERSAL)

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        self.SubrangeMaximum.Bind(CustomIntCtrl.EVT_CUSTOM_INT, self.OnSubrangeMaximumChanged)

   250

   251

        subrange_panel_sizer.Add(self.SubrangeMaximum, 1, border=5,

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                                       flag=wx.GROW | wx.ALL)

   253

   254

        self.SubrangePanel.SetSizer(subrange_panel_sizer)

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        # Panel for Enumerated data types

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        self.EnumeratedPanel = wx.Panel(self.Editor, style=wx.TAB_TRAVERSAL)

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        typeinfos_sizer.Add(self.EnumeratedPanel, 1)

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   261

        enumerated_panel_sizer = wx.BoxSizer(wx.HORIZONTAL)

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        self.EnumeratedValues = CustomEditableListBox(

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            self.EnumeratedPanel,

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            label=_("Values:"),

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            style=(wx.adv.EL_ALLOW_NEW |

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                   wx.adv.EL_ALLOW_EDIT |

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                   wx.adv.EL_ALLOW_DELETE))

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        setattr(self.EnumeratedValues, "_OnLabelEndEdit", self.OnEnumeratedValueEndEdit)

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        for func in ["_OnAddButton", "_OnDelButton", "_OnUpButton", "_OnDownButton"]:

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            setattr(self.EnumeratedValues, func, self.OnEnumeratedValuesChanged)

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        enumerated_panel_sizer.Add(self.EnumeratedValues, 1, border=5,

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                                         flag=wx.GROW | wx.ALL)

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        enumerated_panel_rightsizer = wx.BoxSizer(wx.HORIZONTAL)

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        enumerated_panel_sizer.Add(enumerated_panel_rightsizer, 1)

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   278

        enumerated_initialvalue_label = wx.StaticText(self.EnumeratedPanel,

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                                                      label=_('Initial Value:'))

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        enumerated_panel_rightsizer.Add(enumerated_initialvalue_label, 1,

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                                              border=5,

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                                              flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)

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   284

        self.EnumeratedInitialValue = wx.ComboBox(self.EnumeratedPanel,

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                                                  style=wx.CB_READONLY)

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        self.Bind(wx.EVT_COMBOBOX, self.OnInfosChanged, self.EnumeratedInitialValue)

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        enumerated_panel_rightsizer.Add(self.EnumeratedInitialValue, 1,

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                                              border=5, flag=wx.ALL)

   289

   290

        self.EnumeratedPanel.SetSizer(enumerated_panel_sizer)

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        # Panel for Array data types

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        self.ArrayPanel = wx.Panel(self.Editor, style=wx.TAB_TRAVERSAL)

   295

        typeinfos_sizer.Add(self.ArrayPanel, 1)

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   297

        array_panel_sizer = wx.FlexGridSizer(cols=2, hgap=5, rows=2, vgap=0)

   298

        array_panel_sizer.AddGrowableCol(0)

   299

        array_panel_sizer.AddGrowableCol(1)

   300

        array_panel_sizer.AddGrowableRow(1)

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   302

        array_panel_leftSizer = wx.BoxSizer(wx.HORIZONTAL)

   303

        array_panel_sizer.Add(array_panel_leftSizer, flag=wx.GROW)

   304

   305

        array_basetype_label = wx.StaticText(self.ArrayPanel, label=_('Base Type:'))

   306

        array_panel_leftSizer.Add(array_basetype_label, 1, border=5,

   307

                                        flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)

   308

   309

        self.ArrayBaseType = wx.ComboBox(self.ArrayPanel, style=wx.CB_READONLY)

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        self.Bind(wx.EVT_COMBOBOX, self.OnInfosChanged, self.ArrayBaseType)

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        array_panel_leftSizer.Add(self.ArrayBaseType, 1, border=5,

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                                        flag=wx.GROW | wx.ALL)

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   314

        array_panel_rightsizer = wx.BoxSizer(wx.HORIZONTAL)

   315

        array_panel_sizer.Add(array_panel_rightsizer, flag=wx.GROW)

   316

   317

        array_initialvalue_label = wx.StaticText(self.ArrayPanel,

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                                                 label=_('Initial Value:'))

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        array_panel_rightsizer.Add(array_initialvalue_label, 1, border=5,

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                                         flag=wx.ALIGN_CENTER_VERTICAL | wx.ALL)

   321

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        self.ArrayInitialValue = wx.TextCtrl(self.ArrayPanel,

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                                             style=wx.TE_PROCESS_ENTER | wx.TE_RICH)

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        self.Bind(wx.EVT_TEXT_ENTER, self.OnReturnKeyPressed, self.ArrayInitialValue)

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        array_panel_rightsizer.Add(self.ArrayInitialValue, 1, border=5,

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                                         flag=wx.ALL)

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   328

        self.ArrayDimensions = CustomEditableListBox(

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            self.ArrayPanel,

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            label=_("Dimensions:"),

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            style=(wx.adv.EL_ALLOW_NEW |

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                   wx.adv.EL_ALLOW_EDIT |

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                   wx.adv.EL_ALLOW_DELETE))

   334

        for func in ["_OnLabelEndEdit", "_OnAddButton", "_OnDelButton",

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                     "_OnUpButton", "_OnDownButton"]:

   336

            setattr(self.ArrayDimensions, func, self.OnDimensionsChanged)

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        array_panel_sizer.Add(self.ArrayDimensions, 0, border=5,

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                                    flag=wx.GROW | wx.ALL)

   339

   340

        self.ArrayPanel.SetSizer(array_panel_sizer)

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   342

        # Panel for Structure data types

   343

   344

        self.StructurePanel = wx.Panel(self.Editor, style=wx.TAB_TRAVERSAL)

   345

        typeinfos_sizer.Add(self.StructurePanel, 1)

   346

   347

        structure_panel_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=0)

   348

        structure_panel_sizer.AddGrowableCol(0)

   349

        structure_panel_sizer.AddGrowableRow(1)

   350

   351

        structure_button_sizer = wx.FlexGridSizer(cols=5, hgap=5, rows=1, vgap=0)

   352

        structure_button_sizer.AddGrowableCol(0)

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        structure_button_sizer.AddGrowableRow(0)

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        structure_panel_sizer.Add(structure_button_sizer, 0, border=5,

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                                       flag=wx.ALL | wx.GROW)

   356

   357

        structure_elements_label = wx.StaticText(self.StructurePanel,

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                                                 label=_('Elements :'))

   359

        structure_button_sizer.Add(structure_elements_label, flag=wx.ALIGN_BOTTOM)

   360

   361

        for name, bitmap, help in [

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                ("StructureAddButton", "add_element", _("Add element")),

   363

                ("StructureDeleteButton", "remove_element", _("Remove element")),

   364

                ("StructureUpButton", "up", _("Move element up")),

   365

                ("StructureDownButton", "down", _("Move element down"))]:

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            button = wx.lib.buttons.GenBitmapButton(self.StructurePanel,

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                                                    bitmap=GetBitmap(bitmap),

   368

                                                    size=wx.Size(28, 28),

   369

                                                    style=wx.NO_BORDER)

   370

            button.SetToolTip(help)

   371

            setattr(self, name, button)

   372

            structure_button_sizer.Add(button)

   373

   374

        self.StructureElementsGrid = CustomGrid(self.StructurePanel,

   375

                                                size=wx.Size(0, 150), style=wx.VSCROLL)

   376

        self.StructureElementsGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGED,

   377

                                        self.OnStructureElementsGridCellChange)

   378

        self.StructureElementsGrid.Bind(wx.grid.EVT_GRID_EDITOR_SHOWN,

   379

                                        self.OnStructureElementsGridEditorShown)

   380

        structure_panel_sizer.Add(self.StructureElementsGrid, flag=wx.GROW)

   381

   382

        self.StructurePanel.SetSizer(structure_panel_sizer)

   383

   384

        self.Editor.SetSizer(self.MainSizer)

   385

   386

    def __init__(self, parent, tagname, window, controler):

   387

        EditorPanel.__init__(self, parent, tagname, window, controler)

   388

   389

        self.StructureElementDefaultValue = {"Name": "", "Type": DefaultType, "Initial Value": ""}

   390

        self.StructureElementsTable = ElementsTable(self, [], GetElementsTableColnames())

   391

        self.StructureColSizes = [40, 150, 100, 250]

   392

        self.StructureColAlignements = [wx.ALIGN_CENTER, wx.ALIGN_LEFT, wx.ALIGN_LEFT, wx.ALIGN_LEFT]

   393

   394

        self.StructureElementsGrid.SetTable(self.StructureElementsTable)

   395

        self.StructureElementsGrid.SetButtons({"Add": self.StructureAddButton,

   396

                                               "Delete": self.StructureDeleteButton,

   397

                                               "Up": self.StructureUpButton,

   398

                                               "Down": self.StructureDownButton})

   399

   400

        self.DATATYPE_TYPES_DICT = dict([(_(datatype), datatype) for datatype in GetDatatypeTypes()])

   401

   402

        def _AddStructureElement(new_row):

   403

            self.StructureElementsTable.InsertRow(new_row, self.StructureElementDefaultValue.copy())

   404

            self.RefreshTypeInfos()

   405

            self.StructureElementsTable.ResetView(self.StructureElementsGrid)

   406

            return new_row

   407

        setattr(self.StructureElementsGrid, "_AddRow", _AddStructureElement)

   408

   409

        def _DeleteStructureElement(row):

   410

            self.StructureElementsTable.RemoveRow(row)

   411

            self.RefreshTypeInfos()

   412

            self.StructureElementsTable.ResetView(self.StructureElementsGrid)

   413

        setattr(self.StructureElementsGrid, "_DeleteRow", _DeleteStructureElement)

   414

   415

        def _MoveStructureElement(row, move):

   416

            new_row = self.StructureElementsTable.MoveRow(row, move)

   417

            if new_row != row:

   418

                self.RefreshTypeInfos()

   419

                self.StructureElementsTable.ResetView(self.StructureElementsGrid)

   420

            return new_row

   421

        setattr(self.StructureElementsGrid, "_MoveRow", _MoveStructureElement)

   422

   423

        self.StructureElementsGrid.SetRowLabelSize(0)

   424

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

   425

            attr = wx.grid.GridCellAttr()

   426

            attr.SetAlignment(self.StructureColAlignements[col], wx.ALIGN_CENTRE)

   427

            self.StructureElementsGrid.SetColAttr(col, attr)

   428

            self.StructureElementsGrid.SetColMinimalWidth(col, self.StructureColSizes[col])

   429

            self.StructureElementsGrid.AutoSizeColumn(col, False)

   430

        self.StructureElementsGrid.RefreshButtons()

   431

   432

        for datatype in GetDatatypeTypes():

   433

            self.DerivationType.Append(_(datatype))

   434

        self.SubrangePanel.Hide()

   435

        self.EnumeratedPanel.Hide()

   436

        self.ArrayPanel.Hide()

   437

        self.StructurePanel.Hide()

   438

        self.CurrentPanel = "Directly"

   439

        self.Highlights = []

   440

        self.Initializing = False

   441

   442

        self.HighlightControls = {

   443

            ("Directly", "base"): self.DirectlyBaseType,

   444

            ("Directly", "initial"): self.DirectlyInitialValue,

   445

            ("Subrange", "base"): self.SubrangeBaseType,

   446

            ("Subrange", "lower"): self.SubrangeMinimum,

   447

            ("Subrange", "upper"): self.SubrangeMaximum,

   448

            ("Subrange", "initial"): self.SubrangeInitialValue,

   449

            ("Enumerated", "value"): self.EnumeratedValues,

   450

            ("Enumerated", "initial"): self.EnumeratedInitialValue,

   451

            ("Array", "initial"): self.ArrayInitialValue,

   452

            ("Array", "base"): self.ArrayBaseType,

   453

            ("Array", "range"): self.ArrayDimensions,

   454

        }

   455

   456

        self.RefreshHighlightsTimer = wx.Timer(self, -1)

   457

        self.Bind(wx.EVT_TIMER, self.OnRefreshHighlightsTimer, self.RefreshHighlightsTimer)

   458

   459

    def __del__(self):

   460

        self.RefreshHighlightsTimer.Stop()

   461

   462

    def GetBufferState(self):

   463

        return self.Controler.GetBufferState()

   464

   465

    def Undo(self):

   466

        self.Controler.LoadPrevious()

   467

        self.ParentWindow.CloseTabsWithoutModel()

   468

   469

    def Redo(self):

   470

        self.Controler.LoadNext()

   471

        self.ParentWindow.CloseTabsWithoutModel()

   472

   473

    def HasNoModel(self):

   474

        return self.Controler.GetEditedElement(self.TagName) is None

   475

   476

    def RefreshView(self):

   477

        self.Initializing = True

   478

        self.DirectlyBaseType.Clear()

   479

        self.ArrayBaseType.Clear()

   480

        for datatype in self.Controler.GetDataTypes(self.TagName):

   481

            self.DirectlyBaseType.Append(datatype)

   482

            self.ArrayBaseType.Append(datatype)

   483

        self.DirectlyBaseType.SetSelection(0)

   484

        self.SubrangeBaseType.Clear()

   485

        words = self.TagName.split("::")

   486

        for base_type in self.Controler.GetSubrangeBaseTypes(words[1]):

   487

            self.SubrangeBaseType.Append(base_type)

   488

        self.SubrangeBaseType.SetSelection(0)

   489

        self.RefreshBoundsRange()

   490

        type_infos = self.Controler.GetDataTypeInfos(self.TagName)

   491

        if type_infos is not None:

   492

            datatype = type_infos["type"]

   493

            self.DerivationType.SetStringSelection(_(datatype))