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# -*- coding: utf-8 -*-
#
# AWL simulator - GUI main window
#
# Copyright 2012-2014 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.core.compat import *
from awlsim.gui.util import *
from awlsim.gui.editwidget import *
from awlsim.gui.cpuconfig import *
from awlsim.gui.coreconfig import *
from awlsim.coreserver.client import *
class MainWidget(QWidget):
dirtyChanged = Signal(bool)
runStateChanged = Signal(int)
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.setLayout(QGridLayout(self))
self.simClient = GuiAwlSimClient()
self.cpuConfigDialog = CpuConfigDialog(self, self.simClient)
self.coreConfigDialog = CoreConfigDialog(self, self.simClient)
self.splitter = QSplitter(Qt.Horizontal)
self.layout().addWidget(self.splitter, 0, 0)
self.codeEdit = EditWidget(self)
self.splitter.addWidget(self.codeEdit)
self.cpuWidget = CpuWidget(self, self)
self.splitter.addWidget(self.cpuWidget)
self.filename = None
self.dirty = False
self.codeEdit.codeChanged.connect(self.__codeChanged)
self.codeEdit.codeChanged.connect(self.cpuWidget.stop)
self.cpuWidget.runStateChanged.connect(self.__runStateChanged)
self.runStateChanged.connect(self.codeEdit.runStateChanged)
def isDirty(self):
return self.dirty
def __runStateChanged(self, newState):
self.runStateChanged.emit(newState)
def getSimClient(self):
return self.simClient
def getCodeEditWidget(self):
return self.codeEdit
def getCpuWidget(self):
return self.cpuWidget
def __codeChanged(self):
self.dirty = True
self.dirtyChanged.emit(self.dirty)
def loadFile(self, filename):
try:
data = awlFileRead(filename)
except AwlParserError as e:
QMessageBox.critical(self,
"File read failed", str(e))
return False
self.codeEdit.loadCode(data)
self.filename = filename
return True
def load(self):
fn, fil = QFileDialog.getOpenFileName(self,
"Open AWL/STL source", "",
"AWL source (*.awl);;"
"All files (*)")
if not fn:
return
self.loadFile(fn)
def saveFile(self, filename):
code = self.codeEdit.getCode()
try:
awlFileWrite(filename, code)
except AwlParserError as e:
QMessageBox.critical(self,
"Failed to write file", str(e))
return False
self.dirty = False
self.dirtyChanged.emit(self.dirty)
self.filename = filename
return True
def save(self, newFile=False):
if newFile or not self.filename:
fn, fil = QFileDialog.getSaveFileName(self,
"AWL/STL source save as", "",
"AWL source (*.awl)",
"*.awl")
if not fn:
return
if not fn.endswith(".awl"):
fn += ".awl"
return self.saveFile(fn)
else:
return self.saveFile(self.filename)
def cpuConfig(self):
self.cpuConfigDialog.exec_()
def coreConfig(self):
self.coreConfigDialog.exec_()
class MainWindow(QMainWindow):
@classmethod
def start(cls,
qApplication = None,
initialAwlSource = None):
if not qApplication:
qApplication = QApplication(sys.argv)
mainwnd = cls(qApplication,
initialAwlSource)
mainwnd.show()
return mainwnd
def __init__(self, qApplication, awlSource=None):
QMainWindow.__init__(self)
self.qApplication = qApplication
self.setWindowTitle("Awlsim - AWL/STL PLC simulator v%d.%d" %\
(VERSION_MAJOR, VERSION_MINOR))
self.setCentralWidget(MainWidget(self))
self.setMenuBar(QMenuBar(self))
menu = QMenu("&File", self)
menu.addAction("&Open...", self.load)
self.saveAct = menu.addAction("&Save", self.save)
menu.addAction("&Save as...", self.saveAs)
menu.addSeparator()
menu.addAction("&Exit...", self.close)
self.menuBar().addMenu(menu)
menu = QMenu("&Simulator", self)
menu.addAction("&Awlsim core settings...", self.coreConfig)
menu.addAction("&CPU config...", self.cpuConfig)
self.menuBar().addMenu(menu)
menu = QMenu("Help", self)
menu.addAction("&About...", self.about)
self.menuBar().addMenu(menu)
self.tb = QToolBar(self)
self.tb.addAction("Open", self.load)
self.tbSaveAct = self.tb.addAction("Save", self.save)
self.addToolBar(self.tb)
self.__dirtyChanged(False)
self.centralWidget().dirtyChanged.connect(self.__dirtyChanged)
self.centralWidget().runStateChanged.connect(self.__runStateChanged)
if awlSource:
self.centralWidget().loadFile(awlSource)
def runEventLoop(self):
return self.qApplication.exec_()
def getSimClient(self):
return self.centralWidget().getSimClient()
def cpuRun(self):
self.centralWidget().getCpuWidget().run()
def cpuStop(self):
self.centralWidget().getCpuWidget().stop()
def __runStateChanged(self, newState):
self.menuBar().setEnabled(newState == CpuWidget.STATE_STOP)
self.tb.setEnabled(newState == CpuWidget.STATE_STOP)
def __dirtyChanged(self, isDirty):
self.saveAct.setEnabled(isDirty)
self.tbSaveAct.setEnabled(isDirty)
def closeEvent(self, ev):
cpuWidget = self.centralWidget().getCpuWidget()
if cpuWidget.getState() != CpuWidget.STATE_STOP:
res = QMessageBox.question(self,
"CPU is in RUN state",
"CPU is in RUN state.\n"
"STOP CPU and quit application?",
QMessageBox.Yes | QMessageBox.No,
QMessageBox.Yes)
if res != QMessageBox.Yes:
ev.ignore()
return
self.centralWidget().getCpuWidget().stop()
if self.centralWidget().isDirty():
res = QMessageBox.question(self,
"Unsaved AWL/STL code",
"The editor contains unsaved AWL/STL code.\n"
"AWL/STL code will be lost by exiting without saving.",
QMessageBox.Discard | QMessageBox.Save | QMessageBox.Cancel,
QMessageBox.Cancel)
if res == QMessageBox.Save:
if not self.centralWidget().save():
ev.ignore()
return
elif res == QMessageBox.Cancel:
ev.ignore()
return
ev.accept()
QMainWindow.closeEvent(self, ev)
def about(self):
QMessageBox.information(self, "About S7 AWL/STL simulator",
"awlsim version %d.%d\n\n"
"Copyright 2012-2014 Michael Büsch <m@bues.ch>\n"
"Licensed under the terms of the "
"GNU GPL version 2 or (at your option) "
"any later version." %\
(VERSION_MAJOR, VERSION_MINOR))
def load(self):
self.centralWidget().load()
def save(self):
self.centralWidget().save()
def saveAs(self):
self.centralWidget().save(True)
def cpuConfig(self):
self.centralWidget().cpuConfig()
def coreConfig(self):
self.centralWidget().coreConfig()
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