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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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from types import *

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import wx

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import wx.stc

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from graphics.GraphicCommons import ERROR_HIGHLIGHT, SEARCH_RESULT_HIGHLIGHT, REFRESH_HIGHLIGHT_PERIOD

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from plcopen.structures import ST_BLOCK_START_KEYWORDS, ST_BLOCK_END_KEYWORDS, IEC_BLOCK_START_KEYWORDS, IEC_BLOCK_END_KEYWORDS, LOCATIONDATATYPES

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from EditorPanel import EditorPanel

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from controls.CustomStyledTextCtrl import CustomStyledTextCtrl, faces, GetCursorPos, NAVIGATION_KEYS

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

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#                         Textual programs Viewer class

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

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NEWLINE = "\n"

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NUMBERS = [str(i) for i in xrange(10)]

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LETTERS = ['_']

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for i in xrange(26):

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    LETTERS.append(chr(ord('a') + i))

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    LETTERS.append(chr(ord('A') + i))

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[STC_PLC_WORD, STC_PLC_COMMENT, STC_PLC_NUMBER, STC_PLC_STRING,

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 STC_PLC_VARIABLE, STC_PLC_PARAMETER, STC_PLC_FUNCTION, STC_PLC_JUMP,

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 STC_PLC_ERROR, STC_PLC_SEARCH_RESULT] = range(10)

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[SPACE, WORD, NUMBER, STRING, WSTRING, COMMENT, PRAGMA, DPRAGMA] = range(8)

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[ID_TEXTVIEWER, ID_TEXTVIEWERTEXTCTRL,

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] = [wx.NewId() for _init_ctrls in range(2)]

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re_texts = {}

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re_texts["letter"] = "[A-Za-z]"

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re_texts["digit"] = "[0-9]"

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re_texts["identifier"] = "((?:%(letter)s|(?:_(?:%(letter)s|%(digit)s)))(?:_?(?:%(letter)s|%(digit)s))*)"%re_texts

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IDENTIFIER_MODEL = re.compile(re_texts["identifier"])

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LABEL_MODEL = re.compile("[ \t\n]%(identifier)s:[ \t\n]"%re_texts)

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EXTENSIBLE_PARAMETER = re.compile("IN[1-9][0-9]*$")

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HIGHLIGHT_TYPES = {

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    ERROR_HIGHLIGHT: STC_PLC_ERROR,

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    SEARCH_RESULT_HIGHLIGHT: STC_PLC_SEARCH_RESULT,

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}

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def LineStartswith(line, symbols):

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    return reduce(lambda x, y: x or y, map(lambda x: line.startswith(x), symbols), False)

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class TextViewer(EditorPanel):

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    ID = ID_TEXTVIEWER

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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_Editor(self, prnt):

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        self.Editor = CustomStyledTextCtrl(id=ID_TEXTVIEWERTEXTCTRL,

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                parent=prnt, name="TextViewer", size=wx.Size(0, 0), style=0)

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        self.Editor.ParentWindow = self

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        self.Editor.CmdKeyAssign(ord('+'), wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_ZOOMIN)

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        self.Editor.CmdKeyAssign(ord('-'), wx.stc.STC_SCMOD_CTRL, wx.stc.STC_CMD_ZOOMOUT)

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        self.Editor.SetViewWhiteSpace(False)

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        self.Editor.SetLexer(wx.stc.STC_LEX_CONTAINER)

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        # Global default styles for all languages

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        self.Editor.StyleSetSpec(wx.stc.STC_STYLE_DEFAULT, "face:%(mono)s,size:%(size)d" % faces)

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        self.Editor.StyleClearAll()  # Reset all to be like the default

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        self.Editor.StyleSetSpec(wx.stc.STC_STYLE_LINENUMBER,  "back:#C0C0C0,size:%(size)d" % faces)

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        self.Editor.SetSelBackground(1, "#E0E0E0")

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        # Highlighting styles

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        self.Editor.StyleSetSpec(STC_PLC_WORD, "fore:#00007F,bold,size:%(size)d" % faces)

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        self.Editor.StyleSetSpec(STC_PLC_VARIABLE, "fore:#7F0000,size:%(size)d" % faces)

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        self.Editor.StyleSetSpec(STC_PLC_PARAMETER, "fore:#7F007F,size:%(size)d" % faces)

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        self.Editor.StyleSetSpec(STC_PLC_FUNCTION, "fore:#7F7F00,size:%(size)d" % faces)

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        self.Editor.StyleSetSpec(STC_PLC_COMMENT, "fore:#7F7F7F,size:%(size)d" % faces)

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        self.Editor.StyleSetSpec(STC_PLC_NUMBER, "fore:#007F7F,size:%(size)d" % faces)

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        self.Editor.StyleSetSpec(STC_PLC_STRING, "fore:#007F00,size:%(size)d" % faces)

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        self.Editor.StyleSetSpec(STC_PLC_JUMP, "fore:#FF7FFF,size:%(size)d" % faces)

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        self.Editor.StyleSetSpec(STC_PLC_ERROR, "fore:#FF0000,back:#FFFF00,size:%(size)d" % faces)

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        self.Editor.StyleSetSpec(STC_PLC_SEARCH_RESULT, "fore:#FFFFFF,back:#FFA500,size:%(size)d" % faces)

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        # Indicators styles

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        self.Editor.IndicatorSetStyle(0, wx.stc.STC_INDIC_SQUIGGLE)

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        if self.ParentWindow is not None and self.Controler is not None:

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            self.Editor.IndicatorSetForeground(0, wx.RED)

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        else:

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            self.Editor.IndicatorSetForeground(0, wx.WHITE)

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   121

        # Line numbers in the margin

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        self.Editor.SetMarginType(1, wx.stc.STC_MARGIN_NUMBER)

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        self.Editor.SetMarginWidth(1, 50)

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   125

        # Folding

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        self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDEROPEN,    wx.stc.STC_MARK_BOXMINUS,          "white", "#808080")

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        self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDER,        wx.stc.STC_MARK_BOXPLUS,           "white", "#808080")

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        self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDERSUB,     wx.stc.STC_MARK_VLINE,             "white", "#808080")

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        self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDERTAIL,    wx.stc.STC_MARK_LCORNER,           "white", "#808080")

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        self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDEREND,     wx.stc.STC_MARK_BOXPLUSCONNECTED,  "white", "#808080")

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        self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDEROPENMID, wx.stc.STC_MARK_BOXMINUSCONNECTED, "white", "#808080")

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        self.Editor.MarkerDefine(wx.stc.STC_MARKNUM_FOLDERMIDTAIL, wx.stc.STC_MARK_TCORNER,           "white", "#808080")

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        # Indentation size

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        self.Editor.SetTabWidth(2)

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        self.Editor.SetUseTabs(0)

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   138

        self.Editor.SetModEventMask(wx.stc.STC_MOD_BEFOREINSERT|

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                                    wx.stc.STC_MOD_BEFOREDELETE|

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                                    wx.stc.STC_PERFORMED_USER)

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        self.Bind(wx.stc.EVT_STC_STYLENEEDED, self.OnStyleNeeded, id=ID_TEXTVIEWERTEXTCTRL)

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        self.Editor.Bind(wx.stc.EVT_STC_MARGINCLICK, self.OnMarginClick)

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        self.Editor.Bind(wx.stc.EVT_STC_UPDATEUI, self.OnUpdateUI)

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        self.Editor.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown)

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        if self.Controler is not None:

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            self.Editor.Bind(wx.EVT_KILL_FOCUS, self.OnKillFocus)

   148

            self.Bind(wx.stc.EVT_STC_DO_DROP, self.OnDoDrop, id=ID_TEXTVIEWERTEXTCTRL)

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            self.Bind(wx.stc.EVT_STC_MODIFIED, self.OnModification, id=ID_TEXTVIEWERTEXTCTRL)

   150

   151

    def __init__(self, parent, tagname, window, controler, debug = False, instancepath = ""):

   152

        if tagname != "" and controler is not None:

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            self.VARIABLE_PANEL_TYPE = controler.GetPouType(tagname.split("::")[1])

   154

   155

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

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   157

        self.Keywords = []

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        self.Variables = {}

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        self.Functions = {}

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        self.TypeNames = []

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        self.Jumps = []

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        self.EnumeratedValues = []

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        self.DisableEvents = True

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        self.TextSyntax = None

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        self.CurrentAction = None

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   167

        self.InstancePath = instancepath

   168

        self.ContextStack = []

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        self.CallStack = []

   170

   171

        self.ResetSearchResults()

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   173

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

   174

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

   175

   176

    def __del__(self):

   177

        self.RefreshHighlightsTimer.Stop()

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   179

    def GetTitle(self):

   180

        if self.Debug or self.TagName == "":

   181

            if len(self.InstancePath) > 15:

   182

                return "..." + self.InstancePath[-12:]

   183

            return self.InstancePath

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        return EditorPanel.GetTitle(self)

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   186

    def GetInstancePath(self):

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        return self.InstancePath

   188

   189

    def IsViewing(self, tagname):

   190

        if self.Debug or self.TagName == "":

   191

            return self.InstancePath == tagname

   192

        else:

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            return self.TagName == tagname

   194

   195

    def GetText(self):

   196

        return self.Editor.GetText()

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   198

    def SetText(self, text):

   199

        self.Editor.SetText(text)

   200

   201

    def SelectAll(self):

   202

        self.Editor.SelectAll()

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   204

    def Colourise(self, start, end):

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        self.Editor.Colourise(start, end)

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   207

    def StartStyling(self, pos, mask):

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        self.Editor.StartStyling(pos, mask)

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   210

    def SetStyling(self, length, style):

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        self.Editor.SetStyling(length, style)

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   213

    def GetCurrentPos(self):

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        return self.Editor.GetCurrentPos()

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   216

    def ResetSearchResults(self):

   217

        self.Highlights = []

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        self.SearchParams = None

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        self.SearchResults = None

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        self.CurrentFindHighlight = None

   221

   222

    def OnModification(self, event):

   223

        if not self.DisableEvents:

   224

            mod_type = event.GetModificationType()

   225

            if mod_type&wx.stc.STC_MOD_BEFOREINSERT:

   226

                if self.CurrentAction == None:

   227

                    self.StartBuffering()

   228

                elif self.CurrentAction[0] != "Add" or self.CurrentAction[1] != event.GetPosition() - 1:

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                    self.Controler.EndBuffering()

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                    self.StartBuffering()

   231

                self.CurrentAction = ("Add", event.GetPosition())

   232

                wx.CallAfter(self.RefreshModel)

   233

            elif mod_type&wx.stc.STC_MOD_BEFOREDELETE:

   234

                if self.CurrentAction == None:

   235

                    self.StartBuffering()

   236

                elif self.CurrentAction[0] != "Delete" or self.CurrentAction[1] != event.GetPosition() + 1:

   237

                    self.Controler.EndBuffering()

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                    self.StartBuffering()

   239

                self.CurrentAction = ("Delete", event.GetPosition())

   240

                wx.CallAfter(self.RefreshModel)

   241

        event.Skip()

   242

   243

    def OnDoDrop(self, event):

   244

        try:

   245

            values = eval(event.GetDragText())

   246

        except:

   247

            values = event.GetDragText()

   248

        if isinstance(values, tuple):

   249

            message = None

   250

            if values[1] in ["program", "debug"]:

   251

                event.SetDragText("")

   252

            elif values[1] in ["functionBlock", "function"]:

   253

                blocktype = values[0]

   254

                blockname = values[2]

   255

                if len(values) > 3:

   256

                    blockinputs = values[3]

   257

                else:

   258

                    blockinputs = None

   259

                if values[1] != "function":

   260

                    if blockname == "":

   262

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

   263

                            blockname = dialog.GetValue()

   264

                        else:

   265

                            return

   266

                        dialog.Destroy()

   267

                    if blockname.upper() in [name.upper() for name in self.Controler.GetProjectPouNames(self.Debug)]:

   268

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

   269

                    elif blockname.upper() in [name.upper() for name in self.Controler.GetEditedElementVariables(self.TagName, self.Debug)]:

   270

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

   271

                    else:

   272

                        self.Controler.AddEditedElementPouVar(self.TagName, values[0], blockname)

   273

                        self.RefreshVariablePanel()

   274

                        self.RefreshVariableTree()

   275

                blockinfo = self.Controler.GetBlockType(blocktype, blockinputs, self.Debug)

   276

                hint = ',\n    '.join(

   277

                            [ " " + fctdecl[0]+" := (*"+fctdecl[1]+"*)" for fctdecl in blockinfo["inputs"]] +

   278

                            [ " " + fctdecl[0]+" => (*"+fctdecl[1]+"*)" for fctdecl in blockinfo["outputs"]])

   279

                if values[1] == "function":

   280

                    event.SetDragText(blocktype+"(\n    "+hint+")")

   281

                else:

   282

                    event.SetDragText(blockname+"(\n    "+hint+")")

   283

            elif values[1] == "location":

   284

                pou_name, pou_type = self.Controler.GetEditedElementType(self.TagName, self.Debug)

   285

                if len(values) > 2 and pou_type == "program":

   286

                    var_name = values[3]

   287

                    dlg = wx.TextEntryDialog(

   288

                        self.ParentWindow,

   289

                        _("Confirm or change variable name"),

   290

                        'Variable Drop', var_name)

   291

                    dlg.SetValue(var_name)

   292

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

   293

                    dlg.Destroy()

   294

                    if var_name is None:

   295

                        return

   296

                    elif var_name.upper() in [name.upper() for name in self.Controler.GetProjectPouNames(self.Debug)]:

   297

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

   298

                    elif var_name.upper() in [name.upper() for name in self.Controler.GetEditedElementVariables(self.TagName, self.Debug)]:

   299

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

   300

                    else:

   301

                        location = values[0]

   302

                        if not location.startswith("%"):

   303

                            dialog = wx.SingleChoiceDialog(self.ParentWindow,

   304

                                  _("Select a variable class:"), _("Variable class"),

   305

                                  ["Input", "Output", "Memory"],

   306

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

   307

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

   308

                                selected = dialog.GetSelection()

   309

                            else:

   310

                                selected = None

   311

                            dialog.Destroy()

   312

                            if selected is None:

   313

                                event.SetDragText("")

   314

                                return

   315

                            if selected == 0:

   316

                                location = "%I" + location

   317

                            elif selected == 1:

   318

                                location = "%Q" + location

   319

                            else:

   320

                                location = "%M" + location

   321

                        if values[2] is not None:

   322

                            var_type = values[2]

   323

                        else:

   324

                            var_type = LOCATIONDATATYPES.get(location[2], ["BOOL"])[0]

   325

                        self.Controler.AddEditedElementPouVar(self.TagName,

   326

                            var_type, var_name,

   327

                            location=location, description=values[4])

   328

                        self.RefreshVariablePanel()

   329

                        self.RefreshVariableTree()

   330

                        event.SetDragText(var_name)

   331

                else:

   332

                    event.SetDragText("")

   333

            elif values[1] == "NamedConstant":

   334

                pou_name, pou_type = self.Controler.GetEditedElementType(self.TagName, self.Debug)

   335

                if pou_type == "program":

   336

                    initval = values[0]

   337

                    var_name = values[3]

   338

                    dlg = wx.TextEntryDialog(

   339

                        self.ParentWindow,

   340

                        _("Confirm or change variable name"),

   341

                        'Variable Drop', var_name)

   342

                    dlg.SetValue(var_name)

   343

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

   344

                    dlg.Destroy()

   345

                    if var_name is None:

   346

                        return

   347

                    elif var_name.upper() in [name.upper() for name in self.Controler.GetProjectPouNames(self.Debug)]:

   348

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

   349

                    else:

   350

                        var_type = values[2]

   351

                        if not var_name.upper() in [name.upper() for name in self.Controler.GetEditedElementVariables(self.TagName, self.Debug)]:

   352

                            self.Controler.AddEditedElementPouVar(self.TagName,

   353

                                                                  var_type,

   354

                                                                  var_name,

   355

                                                                  description=values[4], initval=initval)

   356

                            self.RefreshVariablePanel()

   357

                            self.RefreshVariableTree()

   358

                        event.SetDragText(var_name)

   359

            elif values[1] == "Global":

   360

                var_name = values[0]

   361

                dlg = wx.TextEntryDialog(

   362

                    self.ParentWindow,

   363

                    _("Confirm or change variable name"),

   364

                    'Variable Drop', var_name)

   365

                dlg.SetValue(var_name)

   366

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

   367

                dlg.Destroy()

   368

                if var_name is None:

   369

                    return

   370

                elif var_name.upper() in [name.upper() for name in self.Controler.GetProjectPouNames(self.Debug)]:

   371

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

   372

                else:

   373

                    if not var_name.upper() in [name.upper() for name in self.Controler.GetEditedElementVariables(self.TagName, self.Debug)]:

   374

                        self.Controler.AddEditedElementPouExternalVar(self.TagName, values[2], var_name)

   375

                        self.RefreshVariablePanel()

   376

                        self.RefreshVariableTree()

   377

                    event.SetDragText(var_name)

   378

            elif values[1] == "Constant":

   379

                event.SetDragText(values[0])

   380

            elif values[3] == self.TagName:

   381

                self.ResetBuffer()

   382

                event.SetDragText(values[0])

   383

                wx.CallAfter(self.RefreshModel)

   384

            else:

   385

                message = _("Variable don't belong to this POU!")

   386

            if message is not None:

   387

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

   388

                dialog.ShowModal()

   389

                dialog.Destroy()

   390

                event.SetDragText("")

   391

        event.Skip()

   392

   393

    def SetTextSyntax(self, syntax):

   394

        self.TextSyntax = syntax

   395

        if syntax in ["ST", "ALL"]:

   396

            self.Editor.SetMarginType(2, wx.stc.STC_MARGIN_SYMBOL)

   397

            self.Editor.SetMarginMask(2, wx.stc.STC_MASK_FOLDERS)

   398

            self.Editor.SetMarginSensitive(2, 1)

   399

            self.Editor.SetMarginWidth(2, 12)

   400

            if syntax == "ST":

   401

                self.BlockStartKeywords = ST_BLOCK_START_KEYWORDS

   402

                self.BlockEndKeywords = ST_BLOCK_START_KEYWORDS

   403

            else:

   404

                self.BlockStartKeywords = IEC_BLOCK_START_KEYWORDS

   405

                self.BlockEndKeywords = IEC_BLOCK_START_KEYWORDS

   406

        else:

   407

            self.BlockStartKeywords = []

   408

            self.BlockEndKeywords = []

   409

   410

    def SetKeywords(self, keywords):

   411

        self.Keywords = [keyword.upper() for keyword in keywords]

   412

        self.Colourise(0, -1)

   413

   414

    def RefreshJumpList(self):

   415

        if self.TextSyntax != "IL":

   416

            self.Jumps = [jump.upper() for jump in LABEL_MODEL.findall(self.GetText())]

   417

            self.Colourise(0, -1)

   418

   419

    # Buffer the last model state

   420

    def RefreshBuffer(self):

   421

        self.Controler.BufferProject()

   422

        if self.ParentWindow:

   423

            self.ParentWindow.RefreshTitle()

   424

            self.ParentWindow.RefreshFileMenu()

   425

            self.ParentWindow.RefreshEditMenu()

   426

   427

    def StartBuffering(self):

   428

        self.Controler.StartBuffering()

   429

        if self.ParentWindow:

   430

            self.ParentWindow.RefreshTitle()

   431

            self.ParentWindow.RefreshFileMenu()

   432

            self.ParentWindow.RefreshEditMenu()

   433

   434

    def ResetBuffer(self):

   435

        if self.CurrentAction != None:

   436

            self.Controler.EndBuffering()

   437

            self.CurrentAction = None

   438

   439

    def GetBufferState(self):

   440

        if not self.Debug and self.TextSyntax != "ALL":

   441

            return self.Controler.GetBufferState()

   442

        return False, False

   443

   444

    def Undo(self):

   445

        if not self.Debug and self.TextSyntax != "ALL":

   446

            self.Controler.LoadPrevious()

   447

            self.ParentWindow.CloseTabsWithoutModel()

   448

   449

    def Redo(self):

   450

        if not self.Debug and self.TextSyntax != "ALL":

   451

            self.Controler.LoadNext()

   452

            self.ParentWindow.CloseTabsWithoutModel()

   453

   454

    def HasNoModel(self):

   455

        if not self.Debug and self.TextSyntax != "ALL":

   456

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

   457

        return False

   458

   459

    def RefreshView(self, variablepanel=True):

   460

        EditorPanel.RefreshView(self, variablepanel)

   461

   462

        if self.Controler is not None:

   463

            self.ResetBuffer()

   464

            self.DisableEvents = True

   465

            old_cursor_pos = self.GetCurrentPos()

   466

            line = self.Editor.GetFirstVisibleLine()

   467

            column = self.Editor.GetXOffset()

   468

            old_text = self.GetText()

   469

            new_text = self.Controler.GetEditedElementText(self.TagName, self.Debug)

   470

            if old_text != new_text:

   471

                self.SetText(new_text)

   472

                new_cursor_pos = GetCursorPos(old_text, new_text)

   473

                self.Editor.LineScroll(column, line)

   474

                if new_cursor_pos != None:

   475

                    self.Editor.GotoPos(new_cursor_pos)

   476

                else:

   477

                    self.Editor.GotoPos(old_cursor_pos)

   478

                self.RefreshJumpList()

   479

                self.Editor.EmptyUndoBuffer()

   480

            self.DisableEvents = False

   481

   482

            self.RefreshVariableTree()

   483

   484

            self.TypeNames = [typename.upper() for typename in self.Controler.GetDataTypes(self.TagName, True, self.Debug)]

   485

            self.EnumeratedValues = [value.upper() for value in self.Controler.GetEnumeratedDataValues()]

   486

   487

            self.Functions = {}

   488

            for category in self.Controler.GetBlockTypes(self.TagName, self.Debug):

   489

                for blocktype in category["list"]:

   490

                    blockname = blocktype["name"].upper()

   491

                    if blocktype["type"] == "function" and blockname not in self.Keywords and blockname not in self.Variables.keys():

   492

                        interface = dict([(name, {}) for name, type, modifier in blocktype["inputs"] + blocktype["outputs"] if name != ''])

   493

                        for param in ["EN", "ENO"]:

   494

                            if not interface.has_key(param):

   495

                                interface[param] = {}

   496

                        if self.Functions.has_key(blockname):

   497

                            self.Functions[blockname]["interface"].update(interface)

   498

                            self.Functions[blockname]["extensible"] |= blocktype["extensible"]

   499

                        else:

   500

                            self.Functions[blockname] = {"interface": interface,

   501

                                                         "extensible": blocktype["extensible"]}

   502

   503

        self.Colourise(0, -1)

   504

   505

    def RefreshVariableTree(self):

   506

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

   507

        self.Variables = self.GenerateVariableTree(

   508

            [(variable.Name, variable.Type, variable.Tree)

   509

             for variable in self.Controler.GetEditedElementInterfaceVars(

   510

                self.TagName, True, self.Debug)])

   511

        if self.Controler.GetEditedElementType(self.TagName, self.Debug)[1] == "function" or words[0] == "T" and self.TextSyntax == "IL":