IDE: Optimization of modification events processing in text editors.
Too many modifications types where registered, and then too many events were fired.
Also, in case of uninterrupted sequence of events, updates to the model is deferred to the end of that sequence (wx.Callafter).
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
# Copyright (C) 2017: Andrey Skvortsov
#
# See COPYING file for copyrights details.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
from __future__ import absolute_import
from __future__ import print_function
import os
import sys
import getopt
import wx
import version
import util.paths as paths
import util.ExceptionHandler
from util.misc import InstallLocalRessources
from docutil.docpdf import open_pdf
from IDEFrame import IDEFrame, AppendMenu
from IDEFrame import \
TITLE, \
EDITORTOOLBAR, \
FILEMENU, \
EDITMENU, \
DISPLAYMENU, \
PROJECTTREE, \
POUINSTANCEVARIABLESPANEL, \
LIBRARYTREE, \
PAGETITLES, \
DecodeFileSystemPath
from editors.Viewer import Viewer
from PLCControler import PLCControler
from dialogs import ProjectDialog
from dialogs.AboutDialog import ShowAboutDialog
# -------------------------------------------------------------------------------
# PLCOpenEditor Main Class
# -------------------------------------------------------------------------------
# Define PLCOpenEditor FileMenu extra items id
[
ID_PLCOPENEDITORFILEMENUGENERATE,
ID_PLCOPENEDITORFILEMENUGENERATEAS,
] = [wx.NewId() for _init_coll_FileMenu_Items in range(2)]
beremiz_dir = paths.AbsDir(__file__)
class PLCOpenEditor(IDEFrame):
def _init_coll_FileMenu_Items(self, parent):
AppendMenu(parent, help='', id=wx.ID_NEW,
kind=wx.ITEM_NORMAL, text=_(u'New') + '\tCTRL+N')
AppendMenu(parent, help='', id=wx.ID_OPEN,
kind=wx.ITEM_NORMAL, text=_(u'Open') + '\tCTRL+O')
AppendMenu(parent, help='', id=wx.ID_CLOSE,
kind=wx.ITEM_NORMAL, text=_(u'Close Tab') + '\tCTRL+W')
AppendMenu(parent, help='', id=wx.ID_CLOSE_ALL,
kind=wx.ITEM_NORMAL, text=_(u'Close Project') + '\tCTRL+SHIFT+W')
parent.AppendSeparator()
AppendMenu(parent, help='', id=wx.ID_SAVE,
kind=wx.ITEM_NORMAL, text=_(u'Save') + '\tCTRL+S')
AppendMenu(parent, help='', id=wx.ID_SAVEAS,
kind=wx.ITEM_NORMAL, text=_(u'Save As...') + '\tCTRL+SHIFT+S')
AppendMenu(parent, help='', id=ID_PLCOPENEDITORFILEMENUGENERATE,
kind=wx.ITEM_NORMAL, text=_(u'Generate Program') + '\tCTRL+G')
AppendMenu(parent, help='', id=ID_PLCOPENEDITORFILEMENUGENERATEAS,
kind=wx.ITEM_NORMAL, text=_(u'Generate Program As...') + '\tCTRL+SHIFT+G')
parent.AppendSeparator()
AppendMenu(parent, help='', id=wx.ID_PAGE_SETUP,
kind=wx.ITEM_NORMAL, text=_(u'Page Setup') + '\tCTRL+ALT+P')
AppendMenu(parent, help='', id=wx.ID_PREVIEW,
kind=wx.ITEM_NORMAL, text=_(u'Preview') + '\tCTRL+SHIFT+P')
AppendMenu(parent, help='', id=wx.ID_PRINT,
kind=wx.ITEM_NORMAL, text=_(u'Print') + '\tCTRL+P')
parent.AppendSeparator()
AppendMenu(parent, help='', id=wx.ID_PROPERTIES,
kind=wx.ITEM_NORMAL, text=_(u'&Properties'))
parent.AppendSeparator()
AppendMenu(parent, help='', id=wx.ID_EXIT,
kind=wx.ITEM_NORMAL, text=_(u'Quit') + '\tCTRL+Q')
self.Bind(wx.EVT_MENU, self.OnNewProjectMenu, id=wx.ID_NEW)
self.Bind(wx.EVT_MENU, self.OnOpenProjectMenu, id=wx.ID_OPEN)
self.Bind(wx.EVT_MENU, self.OnCloseTabMenu, id=wx.ID_CLOSE)
self.Bind(wx.EVT_MENU, self.OnCloseProjectMenu, id=wx.ID_CLOSE_ALL)
self.Bind(wx.EVT_MENU, self.OnSaveProjectMenu, id=wx.ID_SAVE)
self.Bind(wx.EVT_MENU, self.OnSaveProjectAsMenu, id=wx.ID_SAVEAS)
self.Bind(wx.EVT_MENU, self.OnGenerateProgramMenu,
id=ID_PLCOPENEDITORFILEMENUGENERATE)
self.Bind(wx.EVT_MENU, self.OnGenerateProgramAsMenu,
id=ID_PLCOPENEDITORFILEMENUGENERATEAS)
self.Bind(wx.EVT_MENU, self.OnPageSetupMenu, id=wx.ID_PAGE_SETUP)
self.Bind(wx.EVT_MENU, self.OnPreviewMenu, id=wx.ID_PREVIEW)
self.Bind(wx.EVT_MENU, self.OnPrintMenu, id=wx.ID_PRINT)
self.Bind(wx.EVT_MENU, self.OnPropertiesMenu, id=wx.ID_PROPERTIES)
self.Bind(wx.EVT_MENU, self.OnQuitMenu, id=wx.ID_EXIT)
self.AddToMenuToolBar([(wx.ID_NEW, "new", _(u'New'), None),
(wx.ID_OPEN, "open", _(u'Open'), None),
(wx.ID_SAVE, "save", _(u'Save'), None),
(wx.ID_SAVEAS, "saveas", _(u'Save As...'), None),
(wx.ID_PRINT, "print", _(u'Print'), None),
(ID_PLCOPENEDITORFILEMENUGENERATE, "Build", _(u'Generate Program'), None)])
def _init_coll_HelpMenu_Items(self, parent):
AppendMenu(parent, help='', id=wx.ID_HELP,
kind=wx.ITEM_NORMAL, text=_(u'PLCOpenEditor') + '\tF1')
# AppendMenu(parent, help='', id=wx.ID_HELP_CONTENTS,
# kind=wx.ITEM_NORMAL, text=u'PLCOpen\tF2')
# AppendMenu(parent, help='', id=wx.ID_HELP_CONTEXT,
# kind=wx.ITEM_NORMAL, text=u'IEC 61131-3\tF3')
def handler(event):
return wx.MessageBox(
version.GetCommunityHelpMsg(),
_(u'Community support'),
wx.OK | wx.ICON_INFORMATION)
menu_entry = parent.Append(help='', id=wx.ID_ANY, kind=wx.ITEM_NORMAL, text=_(u'Community support'))
self.Bind(wx.EVT_MENU, handler, menu_entry)
AppendMenu(parent, help='', id=wx.ID_ABOUT,
kind=wx.ITEM_NORMAL, text=_(u'About'))
self.Bind(wx.EVT_MENU, self.OnPLCOpenEditorMenu, id=wx.ID_HELP)
# self.Bind(wx.EVT_MENU, self.OnPLCOpenMenu, id=wx.ID_HELP_CONTENTS)
self.Bind(wx.EVT_MENU, self.OnAboutMenu, id=wx.ID_ABOUT)
def __init__(self, parent, fileOpen=None):
""" Constructor of the PLCOpenEditor class.
:param parent: The parent window.
:param fileOpen: The filepath to open if no controler defined (default: None).
"""
self.icon = wx.Icon(os.path.join(beremiz_dir, "images", "poe.ico"), wx.BITMAP_TYPE_ICO)
IDEFrame.__init__(self, parent)
result = None
# Open the filepath if defined
if fileOpen is not None:
fileOpen = DecodeFileSystemPath(fileOpen, False)
if os.path.isfile(fileOpen):
# Create a new controller
controler = PLCControler()
result = controler.OpenXMLFile(fileOpen)
self.Controler = controler
self.LibraryPanel.SetController(controler)
self.ProjectTree.Enable(True)
self.PouInstanceVariablesPanel.SetController(controler)
self._Refresh(PROJECTTREE, POUINSTANCEVARIABLESPANEL, LIBRARYTREE)
# Define PLCOpenEditor icon
self.SetIcon(self.icon)
self.Bind(wx.EVT_CLOSE, self.OnCloseFrame)
self._Refresh(TITLE, EDITORTOOLBAR, FILEMENU, EDITMENU, DISPLAYMENU)
if result is not None:
(num, line) = result
self.ShowErrorMessage(_("PLC syntax error at line {a1}:\n{a2}").format(a1=num, a2=line))
def OnCloseFrame(self, event):
if self.Controler is None or self.CheckSaveBeforeClosing(_("Close Application")):
self.AUIManager.UnInit()
self.SaveLastState()
event.Skip()
else:
event.Veto()
def RefreshTitle(self):
name = _("PLCOpenEditor")
if self.Controler is not None:
self.SetTitle("%s - %s" % (name, self.Controler.GetFilename()))
else:
self.SetTitle(name)
# -------------------------------------------------------------------------------
# File Menu Functions
# -------------------------------------------------------------------------------
def RefreshFileMenu(self):
MenuToolBar = self.Panes["MenuToolBar"]
if self.Controler is not None:
selected = self.TabsOpened.GetSelection()
if selected >= 0:
graphic_viewer = isinstance(self.TabsOpened.GetPage(selected), Viewer)
else:
graphic_viewer = False
if self.TabsOpened.GetPageCount() > 0:
self.FileMenu.Enable(wx.ID_CLOSE, True)
if graphic_viewer:
self.FileMenu.Enable(wx.ID_PREVIEW, True)
self.FileMenu.Enable(wx.ID_PRINT, True)
MenuToolBar.EnableTool(wx.ID_PRINT, True)
else:
self.FileMenu.Enable(wx.ID_PREVIEW, False)
self.FileMenu.Enable(wx.ID_PRINT, False)
MenuToolBar.EnableTool(wx.ID_PRINT, False)
else:
self.FileMenu.Enable(wx.ID_CLOSE, False)
self.FileMenu.Enable(wx.ID_PREVIEW, False)
self.FileMenu.Enable(wx.ID_PRINT, False)
MenuToolBar.EnableTool(wx.ID_PRINT, False)
self.FileMenu.Enable(wx.ID_PAGE_SETUP, True)
project_modified = not self.Controler.ProjectIsSaved()
self.FileMenu.Enable(wx.ID_SAVE, project_modified)
MenuToolBar.EnableTool(wx.ID_SAVE, project_modified)
self.FileMenu.Enable(wx.ID_PROPERTIES, True)
self.FileMenu.Enable(wx.ID_CLOSE_ALL, True)
self.FileMenu.Enable(wx.ID_SAVEAS, True)
MenuToolBar.EnableTool(wx.ID_SAVEAS, True)
self.FileMenu.Enable(ID_PLCOPENEDITORFILEMENUGENERATE, True)
MenuToolBar.EnableTool(ID_PLCOPENEDITORFILEMENUGENERATE, True)
self.FileMenu.Enable(ID_PLCOPENEDITORFILEMENUGENERATEAS, True)
else:
self.FileMenu.Enable(wx.ID_CLOSE, False)
self.FileMenu.Enable(wx.ID_PAGE_SETUP, False)
self.FileMenu.Enable(wx.ID_PREVIEW, False)
self.FileMenu.Enable(wx.ID_PRINT, False)
MenuToolBar.EnableTool(wx.ID_PRINT, False)
self.FileMenu.Enable(wx.ID_SAVE, False)
MenuToolBar.EnableTool(wx.ID_SAVE, False)
self.FileMenu.Enable(wx.ID_PROPERTIES, False)
self.FileMenu.Enable(wx.ID_CLOSE_ALL, False)
self.FileMenu.Enable(wx.ID_SAVEAS, False)
MenuToolBar.EnableTool(wx.ID_SAVEAS, False)
self.FileMenu.Enable(ID_PLCOPENEDITORFILEMENUGENERATE, False)
MenuToolBar.EnableTool(ID_PLCOPENEDITORFILEMENUGENERATE, False)
self.FileMenu.Enable(ID_PLCOPENEDITORFILEMENUGENERATEAS, False)
def OnNewProjectMenu(self, event):
if self.Controler is not None and not self.CheckSaveBeforeClosing():
return
dialog = ProjectDialog(self)
if dialog.ShowModal() == wx.ID_OK:
properties = dialog.GetValues()
self.ResetView()
self.Controler = PLCControler()
self.Controler.CreateNewProject(properties)
self.LibraryPanel.SetController(self.Controler)
self.ProjectTree.Enable(True)
self._Refresh(TITLE, FILEMENU, EDITMENU, PROJECTTREE, POUINSTANCEVARIABLESPANEL,
LIBRARYTREE)
def OnOpenProjectMenu(self, event):
if self.Controler is not None and not self.CheckSaveBeforeClosing():
return
filepath = ""
if self.Controler is not None:
filepath = self.Controler.GetFilePath()
if filepath != "":
directory = os.path.dirname(filepath)
else:
directory = os.getcwd()
result = None
dialog = wx.FileDialog(self, _("Choose a file"), directory, "", _("PLCOpen files (*.xml)|*.xml|All files|*.*"), wx.OPEN)
if dialog.ShowModal() == wx.ID_OK:
filepath = dialog.GetPath()
if os.path.isfile(filepath):
self.ResetView()
controler = PLCControler()
result = controler.OpenXMLFile(filepath)
self.Controler = controler
self.LibraryPanel.SetController(controler)
self.ProjectTree.Enable(True)
self.PouInstanceVariablesPanel.SetController(controler)
self._Refresh(PROJECTTREE, LIBRARYTREE)
self._Refresh(TITLE, EDITORTOOLBAR, FILEMENU, EDITMENU)
dialog.Destroy()
if result is not None:
(num, line) = result
self.ShowErrorMessage(_("PLC syntax error at line {a1}:\n{a2}").format(a1=num, a2=line))
def OnCloseProjectMenu(self, event):
if not self.CheckSaveBeforeClosing():
return
self.ResetView()
self._Refresh(TITLE, EDITORTOOLBAR, FILEMENU, EDITMENU)
def OnSaveProjectMenu(self, event):
self.SaveProject()
def OnSaveProjectAsMenu(self, event):
self.SaveProjectAs()
def OnGenerateProgramMenu(self, event):
result = self.Controler.GetProgramFilePath()
if not result:
self.GenerateProgramAs()
else:
self.GenerateProgram(result)
def OnGenerateProgramAsMenu(self, event):
self.GenerateProgramAs()
def GenerateProgramAs(self):
dialog = wx.FileDialog(self, _("Choose a file"), os.getcwd(), os.path.basename(self.Controler.GetProgramFilePath()), _("ST files (*.st)|*.st|All files|*.*"), wx.SAVE | wx.CHANGE_DIR)
if dialog.ShowModal() == wx.ID_OK:
self.GenerateProgram(dialog.GetPath())
dialog.Destroy()
def GenerateProgram(self, filepath=None):
message_text = ""
header, icon = _("Done"), wx.ICON_INFORMATION
if os.path.isdir(os.path.dirname(filepath)):
_program, errors, warnings = self.Controler.GenerateProgram(filepath)
message_text += "".join([_("warning: %s\n") % warning for warning in warnings])
if len(errors) > 0:
message_text += "".join([_("error: %s\n") % error for error in errors])
message_text += _("Can't generate program to file %s!") % filepath
header, icon = _("Error"), wx.ICON_ERROR
else:
message_text += _("Program was successfully generated!")
else:
message_text += _("\"%s\" is not a valid folder!") % os.path.dirname(filepath)
header, icon = _("Error"), wx.ICON_ERROR
message = wx.MessageDialog(self, message_text, header, wx.OK | icon)
message.ShowModal()
message.Destroy()
def OnPLCOpenEditorMenu(self, event):
wx.MessageBox(_("No documentation available.\nComing soon."))
def OnPLCOpenMenu(self, event):
open_pdf(os.path.join(beremiz_dir, "plcopen", "TC6_XML_V101.pdf"))
def OnAboutMenu(self, event):
info = version.GetAboutDialogInfo()
info.Name = "PLCOpenEditor"
info.Description = _("PLCOpenEditor is part of Beremiz project.\n\n"
"Beremiz is an ") + info.Description
info.Icon = wx.Icon(os.path.join(beremiz_dir, "images", "aboutlogo.png"), wx.BITMAP_TYPE_PNG)
ShowAboutDialog(self, info)
def SaveProject(self):
result = self.Controler.SaveXMLFile()
if not result:
self.SaveProjectAs()
else:
self._Refresh(TITLE, FILEMENU, PAGETITLES)
def SaveProjectAs(self):
filepath = self.Controler.GetFilePath()
if filepath != "":
directory, filename = os.path.split(filepath)
else:
directory, filename = os.getcwd(), "%(projectName)s.xml" % self.Controler.GetProjectProperties()
dialog = wx.FileDialog(self, _("Choose a file"), directory, filename, _("PLCOpen files (*.xml)|*.xml|All files|*.*"), wx.SAVE | wx.OVERWRITE_PROMPT)
if dialog.ShowModal() == wx.ID_OK:
filepath = dialog.GetPath()
if os.path.isdir(os.path.dirname(filepath)):
result = self.Controler.SaveXMLFile(filepath)
if not result:
self.ShowErrorMessage(_("Can't save project to file %s!") % filepath)
else:
self.ShowErrorMessage(_("\"%s\" is not a valid folder!") % os.path.dirname(filepath))
self._Refresh(TITLE, FILEMENU, PAGETITLES)
dialog.Destroy()
class PLCOpenEditorApp(wx.App):
# def SetOpenFile(
def PrintUsage(self):
print("\nUsage of PLCOpenEditor.py :")
print("\n %s [Filepath]\n" % sys.argv[0])
def ParseCommandLine(self):
# Parse options given to PLCOpenEditor in command line
try:
opts, args = getopt.getopt(sys.argv[1:], "h", ["help"])
except getopt.GetoptError:
# print help information and exit:
self.PrintUsage()
sys.exit(2)
# Extract if help has been requested
for o, _a in opts:
if o in ("-h", "--help"):
self.PrintUsage()
sys.exit()
# Extract the optional filename to open
self.fileOpen = None
if len(args) > 1:
self.PrintUsage()
sys.exit()
elif len(args) == 1:
self.fileOpen = args[0]
def OnInit(self):
self.SetAppName('plcopeneditor')
self.ParseCommandLine()
InstallLocalRessources(beremiz_dir)
if wx.VERSION < (3, 0, 0):
wx.InitAllImageHandlers()
util.ExceptionHandler.AddExceptHook(version.app_version)
self.frame = PLCOpenEditor(None, fileOpen=self.fileOpen)
return True
def Show(self):
self.frame.Show()
if __name__ == '__main__':
app = PLCOpenEditorApp()
app.Show()
app.MainLoop()