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# -*- coding: utf-8 -*-
#
# AWL simulator - FUP widget
#
# Copyright 2016-2017 Michael Buesch <m@bues.ch>
#
# 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 division, absolute_import, print_function, unicode_literals
from awlsim.common.compat import *
from awlsim.gui.fup.fupdrawwidget import *
from awlsim.gui.interfedit.interfwidget import *
from awlsim.gui.editwidget import *
from awlsim.gui.util import *
from awlsim.fupcompiler import *
FUP_DEBUG = 0
class FupFactory(XmlFactory):
FUP_VERSION = 0
def parser_open(self, tag=None):
self.inFup = False
self.inGrids = False
XmlFactory.parser_open(self, tag)
def parser_beginTag(self, tag):
blockTypeEdit = self.fupWidget.interf.blockTypeEdit
interfModel = self.fupWidget.interf.interfView.model()
grid = self.fupWidget.edit.draw.grid
if self.inFup:
if self.inGrids:
if tag.name == "grid":
self.parser_switchTo(grid.factory(grid=grid))
return
else:
if tag.name == "blockdecl":
self.parser_switchTo(blockTypeEdit.factory(
blockTypeWidget=blockTypeEdit))
return
if tag.name == "interface":
self.parser_switchTo(interfModel.factory(
model=interfModel))
return
if tag.name == "grids":
self.inGrids = True
return
else:
if tag.name == "FUP":
version = tag.getAttrInt("version")
if version != self.FUP_VERSION:
raise self.Error("Unsupported FUP version. "
"Got %d, but expected %d." % (
version, self.FUP_VERSION))
self.inFup = True
return
XmlFactory.parser_beginTag(self, tag)
def parser_endTag(self, tag):
if self.inFup:
if self.inGrids:
if tag.name == "grids":
self.inGrids = False
return
else:
if tag.name == "FUP":
self.inFup = False
self.parser_finish()
return
XmlFactory.parser_endTag(self, tag)
def composer_getTags(self):
childTags = []
blockTypeEdit = self.fupWidget.interf.blockTypeEdit
childTags.extend(blockTypeEdit.factory(
blockTypeWidget=blockTypeEdit).composer_getTags())
interfModel = self.fupWidget.interf.interfView.model()
childTags.extend(interfModel.factory(
model=interfModel).composer_getTags())
grid = self.fupWidget.edit.draw.grid
childTags.append(self.Tag(name="grids",
tags=grid.factory(grid=grid).composer_getTags()))
tags = [
self.Tag(name="FUP",
attrs={"version" : str(self.FUP_VERSION)},
tags=childTags),
]
return tags
class FupElemContainerWidget(QListWidget):
pass#TODO
class FupEditWidgetMenu(QMenu):
showAwl = Signal()
showStl = Signal()
def __init__(self, parent=None):
QMenu.__init__(self, parent)
self.addAction("Show AWL code (DE)...",
lambda: self.showAwl.emit())
self.addAction("Show STL code (EN)...",
lambda: self.showStl.emit())
class FupEditWidget(QWidget):
def __init__(self, parent, interfWidget):
QWidget.__init__(self, parent)
self.setLayout(QGridLayout())
self.layout().setContentsMargins(QMargins())
self.__splitter = QSplitter(self)
self.__leftWidget = QWidget(self)
self.__leftWidget.setLayout(QVBoxLayout())
self.__leftWidget.layout().setContentsMargins(QMargins())
self.container = FupElemContainerWidget(self)
self.__leftWidget.layout().addWidget(self.container)
self.menu = FupEditWidgetMenu(self)
self.menuButton = QPushButton("FUP/FBD", self)
self.menuButton.setMenu(self.menu)
self.__leftWidget.layout().addWidget(self.menuButton)
self.__splitter.addWidget(self.__leftWidget)
self.draw = FupDrawWidget(self, interfWidget)
self.__drawScroll = QScrollArea(self)
self.__drawScroll.setWidget(self.draw)
self.__splitter.addWidget(self.__drawScroll)
self.layout().addWidget(self.__splitter, 0, 0)
class FupWidget(QWidget):
"""Main FUP/FBD widget."""
diagramChanged = Signal()
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.setLayout(QGridLayout())
self.__source = FupSource(name = "Diagram 1")
self.__needSourceUpdate = True
self.splitter = QSplitter(Qt.Vertical)
self.interf = AwlInterfWidget(self)
self.splitter.addWidget(self.interf)
self.edit = FupEditWidget(self, self.interf)
self.splitter.addWidget(self.edit)
self.layout().addWidget(self.splitter, 0, 0)
self.interf.contentChanged.connect(self.diagramChanged)
self.edit.draw.diagramChanged.connect(self.diagramChanged)
self.edit.menu.showAwl.connect(self.__compileAndShowAwl)
self.edit.menu.showStl.connect(self.__compileAndShowStl)
self.diagramChanged.connect(self.__handleDiagramChange)
def __handleDiagramChange(self):
self.__needSourceUpdate = True
def __updateSource(self):
# Generate XML
try:
xmlBytes = FupFactory(fupWidget=self).compose()
except FupFactory.Error as e:
raise AwlSimError("Failed to create FUP source: "
"%s" % str(e))
if FUP_DEBUG:
print("Composed FUP XML:")
print(xmlBytes.decode(FupFactory.XML_ENCODING))
self.__source.sourceBytes = xmlBytes
self.__needSourceUpdate = False
def getSource(self):
if self.__needSourceUpdate:
self.__updateSource()
return self.__source
def setSource(self, source):
self.__source = source.dup()
self.__source.sourceBytes = b""
# Parse XML
if FUP_DEBUG:
print("Parsing FUP XML:")
print(source.sourceBytes.decode(FupFactory.XML_ENCODING))
try:
factory = FupFactory(fupWidget=self).parse(source.sourceBytes)
except FupFactory.Error as e:
raise AwlSimError("Failed to parse FUP source: "
"%s" % str(e))
self.__needSourceUpdate = True
def __compileAndShow(self, mnemonics):
fupSource = self.getSource()
try:
compiler = FupCompiler()
awlSource = compiler.compile(fupSource=fupSource,
mnemonics=mnemonics)
except AwlSimError as e:
MessageBox.handleAwlSimError(self, "FUP compiler error", e)
return
dlg = EditDialog(self, readOnly=True, withHeader=False, withCpuStats=False)
dlg.setWindowTitle("Compiled FUP/FBD diagram - %s" % self.__source.name)
dlg.edit.setSource(awlSource)
dlg.show()
def __compileAndShowAwl(self):
self.__compileAndShow(S7CPUSpecs.MNEMONICS_DE)
def __compileAndShowStl(self):
self.__compileAndShow(S7CPUSpecs.MNEMONICS_EN)
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