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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) 2016: Andrey Skvortsov <andrej.skvortzov@gmail.com>

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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 print_function

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import os

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import sys

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import shutil

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import time

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from time import time as gettime

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from threading import Lock, Timer, currentThread

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from six.moves import cPickle, xrange

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import wx.lib.buttons

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import wx.lib.statbmp

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import wx.stc

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import version

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from editors.EditorPanel import EditorPanel

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from editors.Viewer import Viewer

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from editors.TextViewer import TextViewer

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from editors.ResourceEditor import ConfigurationEditor, ResourceEditor

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from editors.DataTypeEditor import DataTypeEditor

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from util.paths import Bpath

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from util.MiniTextControler import MiniTextControler

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from util.BitmapLibrary import GetBitmap

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from controls.LogViewer import LogViewer

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from controls.CustomStyledTextCtrl import CustomStyledTextCtrl

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from controls import EnhancedStatusBar as esb

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from dialogs.AboutDialog import ShowAboutDialog

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from plcopen.types_enums import \

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    ComputeConfigurationName, \

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    LOCATION_CONFNODE, \

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    LOCATION_MODULE, \

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    LOCATION_GROUP, \

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    LOCATION_VAR_INPUT, \

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    LOCATION_VAR_OUTPUT, \

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    LOCATION_VAR_MEMORY, \

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    ITEM_PROJECT, \

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    ITEM_RESOURCE, \

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    ITEM_CONFNODE

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from ProjectController import ProjectController, GetAddMenuItems, MATIEC_ERROR_MODEL

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from IDEFrame import \

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    TITLE,\

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    EDITORTOOLBAR,\

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    FILEMENU,\

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    EDITMENU,\

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    DISPLAYMENU,\

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    PROJECTTREE,\

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    POUINSTANCEVARIABLESPANEL,\

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    LIBRARYTREE,\

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    PAGETITLES,\

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    IDEFrame, \

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    EncodeFileSystemPath, \

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    DecodeFileSystemPath

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from LocalRuntimeMixin import LocalRuntimeMixin

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

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

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MAX_RECENT_PROJECTS = 9

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if wx.Platform == '__WXMSW__':

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    faces = {

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        'mono': 'Courier New',

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        'size': 8,

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    }

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else:

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    faces = {

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        'mono': 'FreeMono',

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        'size': 10,

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    }

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MainThread = currentThread().ident

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REFRESH_PERIOD = 0.1

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class LogPseudoFile(object):

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    """ Base class for file like objects to facilitate StdOut for the Shell."""

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    def __init__(self, output, risecall, logf):

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        self.red_white = 1

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        self.red_yellow = 2

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        self.black_white = wx.stc.STC_STYLE_DEFAULT

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        self.output = output

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        self.risecall = risecall

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        # to prevent rapid fire on rising log panel

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        self.rising_timer = 0

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        self.StackLock = Lock()

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        self.YieldLock = Lock()

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        self.RefreshLock = Lock()

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        self.TimerAccessLock = Lock()

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        self.stack = []

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        self.LastRefreshTime = gettime()

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        self.LastRefreshTimer = None

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        self.refreshPending = False

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        self.logf = logf

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    def write(self, s, style=None):

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        if self.logf is not None:

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            self.logf.write(s)

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            self.logf.flush()

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        self.StackLock.acquire()

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        self.stack.append((s, style))

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        self.StackLock.release()

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        current_time = gettime()

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        with self.TimerAccessLock:

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            if self.LastRefreshTimer is not None:

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                self.LastRefreshTimer.cancel()

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                self.LastRefreshTimer = None

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        elapsed = current_time - self.LastRefreshTime

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        if elapsed > REFRESH_PERIOD:

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            self._should_write()

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        else:

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            with self.TimerAccessLock:

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                if self.LastRefreshTimer is None:

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                    self.LastRefreshTimer = Timer(REFRESH_PERIOD - elapsed, self._timer_expired)

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                    self.LastRefreshTimer.start()

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    def _timer_expired(self):

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        self._should_write()

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        with self.TimerAccessLock:

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            self.LastRefreshTimer = None

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    def _should_write(self):

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        if MainThread == currentThread().ident:

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            app = wx.GetApp()

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            if app is not None:

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                self._write()

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                if self.YieldLock.acquire(0):

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                    app.Yield()

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                    self.YieldLock.release()

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        else:

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            with self.RefreshLock:

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                if not self.refreshPending:

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                    self.refreshPending = True

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                    wx.CallAfter(self._write)

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    def _write(self):

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        if self.output:

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            with self.RefreshLock:

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                self.output.Freeze()

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                self.output.AnnotationClearAll()

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                self.StackLock.acquire()

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                for s, style in self.stack:

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                    if style is None:

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                        style = self.black_white

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                    if style != self.black_white:

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                        self.output.StartStyling(self.output.GetLength())

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                    # Temporary deactivate read only mode on StyledTextCtrl for

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                    # adding text. It seems that text modifications, even

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                    # programmatically, are disabled in StyledTextCtrl when read

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                    # only is active

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                    start_pos = self.output.GetLength()

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                    self.output.SetReadOnly(False)

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                    self.output.AppendText(s)

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                    self.output.SetReadOnly(True)

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                    text_len = self.output.GetLength() - start_pos

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                    if style != self.black_white:

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                        self.output.SetStyling(text_len, style)

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                self.stack = []

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                self.StackLock.release()

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                self.output.ScrollToEnd()

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                self.output.Thaw()

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                self.LastRefreshTime = gettime()

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                newtime = time.time()

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                if newtime - self.rising_timer > 1:

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                    self.risecall(self.output)

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                self.rising_timer = newtime

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                self.refreshPending = False

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    def write_warning(self, s):

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        self.write(s, self.red_white)

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    def write_error(self, s):

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        self.write(s, self.red_yellow)

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    def flush(self):

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        # Temporary deactivate read only mode on StyledTextCtrl for clearing

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        # text. It seems that text modifications, even programmatically, are

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        # disabled in StyledTextCtrl when read only is active

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        self.output.SetReadOnly(False)

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        self.output.SetText("")

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        self.output.SetReadOnly(True)

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   219

    def isatty(self):

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        return False

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    def progress(self, text):

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        l = max(self.output.GetLineCount()-2, 0)

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        self.output.AnnotationSetText(l, text)

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        self.output.AnnotationSetVisible(wx.stc.STC_ANNOTATION_BOXED)

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        self.output.AnnotationSetStyle(l, self.black_white)

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        if self.YieldLock.acquire(0):

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            app = wx.GetApp()

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            app.Yield()

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            self.YieldLock.release()

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ID_FILEMENURECENTPROJECTS = wx.NewId()

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class Beremiz(IDEFrame, LocalRuntimeMixin):

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    def _init_utils(self):

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        self.ConfNodeMenu = wx.Menu(title='')

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        self.RecentProjectsMenu = wx.Menu(title='')

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        self.TutorialsProjectsMenu = wx.Menu(title='')

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   243

        IDEFrame._init_utils(self)

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   245

    def _init_coll_FileMenu_Items(self, parent):

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        AppendMenu(parent, help='', id=wx.ID_NEW,

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                   kind=wx.ITEM_NORMAL, text=_(u'New') + '\tCTRL+N')

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        AppendMenu(parent, help='', id=wx.ID_OPEN,

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                   kind=wx.ITEM_NORMAL, text=_(u'Open') + '\tCTRL+O')

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        parent.Append(ID_FILEMENURECENTPROJECTS, _("&Recent Projects"), self.RecentProjectsMenu)

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        parent.AppendSeparator()

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        parent.Append(wx.ID_ANY, _("&Tutorials and Examples"), self.TutorialsProjectsMenu)

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        exemples_dir = Bpath("exemples")

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        project_list = sorted(os.listdir(exemples_dir))

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        for idx, dirname  in enumerate(project_list):

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            text = u'&%d: %s' % (idx + 1, dirname)

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            item = self.TutorialsProjectsMenu.Append(wx.ID_ANY, text, '')

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            projectpath = os.path.join(exemples_dir, dirname)

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            def OpenExemple(event, projectpath=projectpath):

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                if self.CTR is not None and not self.CheckSaveBeforeClosing():

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                    return

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                self.OpenProject(projectpath)

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                if not self.CTR.CheckProjectPathPerm():

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                    self.ResetView()

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            self.Bind(wx.EVT_MENU, OpenExemple, item)

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        parent.AppendSeparator()

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        AppendMenu(parent, help='', id=wx.ID_SAVE,

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                   kind=wx.ITEM_NORMAL, text=_(u'Save') + '\tCTRL+S')

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        AppendMenu(parent, help='', id=wx.ID_SAVEAS,

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                   kind=wx.ITEM_NORMAL, text=_(u'Save as') + '\tCTRL+SHIFT+S')

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        AppendMenu(parent, help='', id=wx.ID_CLOSE,

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                   kind=wx.ITEM_NORMAL, text=_(u'Close Tab') + '\tCTRL+W')

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        AppendMenu(parent, help='', id=wx.ID_CLOSE_ALL,

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                   kind=wx.ITEM_NORMAL, text=_(u'Close Project') + '\tCTRL+SHIFT+W')

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        parent.AppendSeparator()

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        AppendMenu(parent, help='', id=wx.ID_PAGE_SETUP,

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                   kind=wx.ITEM_NORMAL, text=_(u'Page Setup') + '\tCTRL+ALT+P')

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        AppendMenu(parent, help='', id=wx.ID_PREVIEW,

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                   kind=wx.ITEM_NORMAL, text=_(u'Preview') + '\tCTRL+SHIFT+P')

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        AppendMenu(parent, help='', id=wx.ID_PRINT,

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                   kind=wx.ITEM_NORMAL, text=_(u'Print') + '\tCTRL+P')

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        parent.AppendSeparator()

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        AppendMenu(parent, help='', id=wx.ID_EXIT,

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                   kind=wx.ITEM_NORMAL, text=_(u'Quit') + '\tCTRL+Q')

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        self.Bind(wx.EVT_MENU, self.OnNewProjectMenu, id=wx.ID_NEW)

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        self.Bind(wx.EVT_MENU, self.OnOpenProjectMenu, id=wx.ID_OPEN)

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        self.Bind(wx.EVT_MENU, self.OnSaveProjectMenu, id=wx.ID_SAVE)

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        self.Bind(wx.EVT_MENU, self.OnSaveProjectAsMenu, id=wx.ID_SAVEAS)

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        self.Bind(wx.EVT_MENU, self.OnCloseTabMenu, id=wx.ID_CLOSE)

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        self.Bind(wx.EVT_MENU, self.OnCloseProjectMenu, id=wx.ID_CLOSE_ALL)

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        self.Bind(wx.EVT_MENU, self.OnPageSetupMenu, id=wx.ID_PAGE_SETUP)

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        self.Bind(wx.EVT_MENU, self.OnPreviewMenu, id=wx.ID_PREVIEW)

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        self.Bind(wx.EVT_MENU, self.OnPrintMenu, id=wx.ID_PRINT)

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        self.Bind(wx.EVT_MENU, self.OnQuitMenu, id=wx.ID_EXIT)

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        self.AddToMenuToolBar([(wx.ID_NEW, "new", _(u'New'), None),

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                               (wx.ID_OPEN, "open", _(u'Open'), None),

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                               (wx.ID_SAVE, "save", _(u'Save'), None),

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                               (wx.ID_SAVEAS, "saveas", _(u'Save As...'), None),

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                               (wx.ID_PRINT, "print", _(u'Print'), None)])

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    def _RecursiveAddMenuItems(self, menu, items):

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        for name, text, helpstr, children in items:

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            if len(children) > 0:

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                new_menu = wx.Menu(title='')

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                menu.AppendSubMenu(new_menu, text)

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                self._RecursiveAddMenuItems(new_menu, children)

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            else:

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                item = menu.Append(wx.MenuItem(text=text, helpString=helpstr, kind=wx.ITEM_NORMAL, id=wx.ID_ANY))

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                self.Bind(wx.EVT_MENU, self.GetAddConfNodeFunction(name), item)

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   320

    def _init_coll_AddMenu_Items(self, parent):

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        IDEFrame._init_coll_AddMenu_Items(self, parent, False)

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        self._RecursiveAddMenuItems(parent, GetAddMenuItems())

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    def _init_coll_HelpMenu_Items(self, parent):

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        def handler(event):

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            return wx.MessageBox(

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                version.GetCommunityHelpMsg(),

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                _(u'Community support'),

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                wx.OK | wx.ICON_INFORMATION)

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        item = parent.Append(wx.ID_ANY, _(u'Community support'), '')

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        self.Bind(wx.EVT_MENU, handler, item)

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        parent.Append(wx.MenuItem(helpString='', id=wx.ID_ABOUT,

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                      kind=wx.ITEM_NORMAL, text=_(u'About')))

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        self.Bind(wx.EVT_MENU, self.OnAboutMenu, id=wx.ID_ABOUT)

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   338

    def _init_coll_ConnectionStatusBar_Fields(self, parent):

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        parent.SetFieldsCount(3)

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        parent.SetStatusText(i=0, text='')

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        parent.SetStatusText(i=1, text='')

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        parent.SetStatusText(i=2, text='')

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        parent.SetStatusWidths([-1, 300, 200])

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   347

    def _init_ctrls(self, prnt):

   348

        IDEFrame._init_ctrls(self, prnt)

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   350

        self.EditMenuSize = self.EditMenu.GetMenuItemCount()

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   352

        inspectorID = wx.NewId()

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        self.Bind(wx.EVT_MENU, self.OnOpenWidgetInspector, id=inspectorID)

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        accels = [wx.AcceleratorEntry(wx.ACCEL_CTRL | wx.ACCEL_ALT, ord('I'), inspectorID)]

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        self.methodLock = Lock()

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        for method, shortcut in [("Stop",     wx.WXK_F4),

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                                 ("Run",      wx.WXK_F5),

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                                 ("Transfer", wx.WXK_F6),

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                                 ("Connect",  wx.WXK_F7),

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                                 ("Clean",    wx.WXK_F9),

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                                 ("Build",    wx.WXK_F11)]:

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            def OnMethodGen(obj, meth):

   365

                def OnMethod(evt):

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                    if obj.CTR is not None:

   367

                        if obj.methodLock.acquire(False):

   368

                            obj.CTR.CallMethod('_'+meth)

   369

                            obj.methodLock.release()

   370

                            wx.CallAfter(obj.RefreshStatusToolBar)

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                        else:

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                            # Postpone call if one of method already running

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                            # can happen because of long method using log, 

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                            # itself calling wx.Yield

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                            wx.CallLater(50, OnMethod, evt)

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                return OnMethod

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            newid = wx.NewId()

   378

            self.Bind(wx.EVT_MENU, OnMethodGen(self, method), id=newid)

   379

            accels += [wx.AcceleratorEntry(wx.ACCEL_NORMAL, shortcut, newid)]

   380

   381

        self.SetAcceleratorTable(wx.AcceleratorTable(accels))

   382

   383

        self.LogConsole = CustomStyledTextCtrl(

   384

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

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            size=wx.Size(0, 0))

   386

        self.LogConsole.Bind(wx.EVT_SET_FOCUS, self.OnLogConsoleFocusChanged)

   387

        self.LogConsole.Bind(wx.EVT_KILL_FOCUS, self.OnLogConsoleFocusChanged)

   388

        self.LogConsole.Bind(wx.stc.EVT_STC_UPDATEUI, self.OnLogConsoleUpdateUI)

   389

        self.LogConsole.SetReadOnly(True)

   390

        self.LogConsole.SetWrapMode(wx.stc.STC_WRAP_CHAR)

   391

   392

        # Define Log Console styles

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

   394

        self.LogConsole.StyleClearAll()

   395

        self.LogConsole.StyleSetSpec(1, "face:%(mono)s,fore:#FF0000,size:%(size)d" % faces)

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        self.LogConsole.StyleSetSpec(2, "face:%(mono)s,fore:#FF0000,back:#FFFF00,size:%(size)d" % faces)

   397

   398

        # Define Log Console markers

   399

        self.LogConsole.SetMarginSensitive(1, True)

   400

        self.LogConsole.SetMarginType(1, wx.stc.STC_MARGIN_SYMBOL)

   401

        self.LogConsole.MarkerDefine(0, wx.stc.STC_MARK_CIRCLE, "BLACK", "RED")

   402

   403

        self.LogConsole.SetModEventMask(wx.stc.STC_MOD_INSERTTEXT)

   404

        self.LogConsole.SetCaretPeriod(0)

   405

   406

        self.LogConsole.Bind(wx.stc.EVT_STC_MARGINCLICK, self.OnLogConsoleMarginClick)

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        self.LogConsole.Bind(wx.stc.EVT_STC_MODIFIED, self.OnLogConsoleModified)

   408

   409

        self.MainTabs["LogConsole"] = (self.LogConsole, _("Console"))

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        self.BottomNoteBook.AddPage(*self.MainTabs["LogConsole"])

   411

        # self.BottomNoteBook.Split(self.BottomNoteBook.GetPageIndex(self.LogConsole), wx.RIGHT)

   412

   413

        self.LogViewer = LogViewer(self.BottomNoteBook, self)

   414

        self.MainTabs["LogViewer"] = (self.LogViewer, _("PLC Log"))

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        self.BottomNoteBook.AddPage(*self.MainTabs["LogViewer"])

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        # self.BottomNoteBook.Split(self.BottomNoteBook.GetPageIndex(self.LogViewer), wx.RIGHT)

   417

   418

        StatusToolBar = wx.ToolBar(self, -1, wx.DefaultPosition, wx.DefaultSize,

   419

                                   wx.TB_FLAT | wx.TB_NODIVIDER | wx.NO_BORDER)

   420

        StatusToolBar.SetToolBitmapSize(wx.Size(25, 25))

   421

        StatusToolBar.Realize()

   422

        self.Panes["StatusToolBar"] = StatusToolBar

   423

        self.AUIManager.AddPane(StatusToolBar, wx.aui.AuiPaneInfo().

   424

                                Name("StatusToolBar").Caption(_("Status ToolBar")).

   425

                                ToolbarPane().Top().Position(1).

   426

                                LeftDockable(False).RightDockable(False))

   427

   428

        self.AUIManager.Update()

   429

   430

        self.ConnectionStatusBar = esb.EnhancedStatusBar(self, style=wx.STB_SIZEGRIP)

   431

        self._init_coll_ConnectionStatusBar_Fields(self.ConnectionStatusBar)

   432

        self.ProgressStatusBar = wx.Gauge(self.ConnectionStatusBar, -1, range=100)

   433

        self.ConnectionStatusBar.AddWidget(self.ProgressStatusBar, esb.ESB_EXACT_FIT, esb.ESB_EXACT_FIT, 2)

   434

        self.ProgressStatusBar.Hide()

   435

        self.SetStatusBar(self.ConnectionStatusBar)

   436

   437

    def __init_execute_path(self):

   438

        if os.name == 'nt':

   439

            # on windows, desktop shortcut launches Beremiz.py

   440

            # with working dir set to mingw/bin.

   441

            # then we prefix CWD to PATH in order to ensure that

   442

            # commands invoked by build process by default are

   443

            # found here.

   444

            os.environ["PATH"] = os.getcwd()+';'+os.environ["PATH"]

   445

   446

    def __init__(self, parent, projectOpen=None, buildpath=None, ctr=None, debug=True, logf=None):

   447

   448

        # Add beremiz's icon in top left corner of the frame

   449

        self.icon = wx.Icon(Bpath("images", "brz.ico"), wx.BITMAP_TYPE_ICO)

   450

        self.__init_execute_path()

   451

   452

        IDEFrame.__init__(self, parent, debug)

   453

        self.Log = LogPseudoFile(self.LogConsole, self.SelectTab, logf)

   454

   455

        LocalRuntimeMixin.__init__(self, self.Log)

   456

   457

        self.LastPanelSelected = None

   458

   459

        # Define Tree item icon list

   460

        self.LocationImageList = wx.ImageList(16, 16)

   461

        self.LocationImageDict = {}

   462

   463

        # Icons for location items

   464

        for imgname, itemtype in [

   465

                ("CONFIGURATION", LOCATION_CONFNODE),

   466

                ("RESOURCE",      LOCATION_MODULE),

   467

                ("PROGRAM",       LOCATION_GROUP),

   468

                ("VAR_INPUT",     LOCATION_VAR_INPUT),

   469

                ("VAR_OUTPUT",    LOCATION_VAR_OUTPUT),

   470

                ("VAR_LOCAL",     LOCATION_VAR_MEMORY)]:

   471

            self.LocationImageDict[itemtype] = self.LocationImageList.Add(GetBitmap(imgname))

   472

   473

        # Icons for other items

   474

        for imgname, itemtype in [

   475

                ("Extension", ITEM_CONFNODE)]:

   476

            self.TreeImageDict[itemtype] = self.TreeImageList.Add(GetBitmap(imgname))

   477

   478

        if projectOpen is not None:

   479

            projectOpen = DecodeFileSystemPath(projectOpen, False)

   480

   481

        if projectOpen is not None and os.path.isdir(projectOpen):

   482

            self.CTR = ProjectController(self, self.Log)

   483

            self.Controler = self.CTR

   484

            result, _err = self.CTR.LoadProject(projectOpen, buildpath)

   485

            if not result:

   486

                self.LibraryPanel.SetController(self.Controler)

   487

                self.ProjectTree.Enable(True)

   488

                self.PouInstanceVariablesPanel.SetController(self.Controler)

   489

                self.RefreshConfigRecentProjects(os.path.abspath(projectOpen))

   490

                self.RefreshAfterLoad()

   491

            else:

   492

                self.ResetView()

   493

                self.ShowErrorMessage(result)

   494

        else:

   495

            self.CTR = ctr

   496

            self.Controler = ctr

   497

            if ctr is not None:

   498

                ctr.SetAppFrame(self, self.Log)

   499

                self.LibraryPanel.SetController(self.Controler)

   500

                self.ProjectTree.Enable(True)

   501

                self.PouInstanceVariablesPanel.SetController(self.Controler)

   502