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# -*- coding: utf-8 -*-
#
# AWL simulator - Interface edit widget
#
# Copyright 2016 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.util import *
from awlsim.gui.interfedit.interftabwidget import *
from awlsim.gui.interfedit.blocktypewidget import *
class AwlInterfWidget(QWidget):
"""AWL block interface edit widget.
"""
# Signal: Emitted, if some content changed
contentChanged = Signal()
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.setLayout(QGridLayout())
self.layout().setContentsMargins(QMargins())
self.__changeSignalBlocked = Blocker()
self.blockTypeEdit = BlockTypeWidget(self)
self.layout().addWidget(self.blockTypeEdit, 0, 0)
self.interfView = AwlInterfaceView(self)
self.layout().addWidget(self.interfView, 1, 0)
self.__reconfigInterfView()
self.blockTypeEdit.typeChanged.connect(self.__handleBlockTypeChange)
self.blockTypeEdit.nameChanged.connect(self.__handleBlockNameChange)
self.blockTypeEdit.dbChanged.connect(self.__handleBlockDBChange)
self.interfView.model().contentChanged.connect(self.contentChanged)
@property
def interfDef(self):
"""Get the active AwlInterfDef().
"""
return self.interfView.model().interf
def __handleBlockTypeChange(self):
if self.__changeSignalBlocked:
return
blockTypeStr, blockName, instanceDBs = self.blockTypeEdit.get()
if not self.interfView.isEmpty():
ret = QMessageBox.warning(self,
"Change block type?",
"The block interface table is not empty.\n"
"Changing the block type might delete interface fields.\n\n"
"Change block type anyway?",
QMessageBox.Yes | QMessageBox.No,
QMessageBox.No)
if ret != QMessageBox.Yes:
# Revert the change
with self.__changeSignalBlocked:
self.blockTypeEdit.revertTypeChange()
return
with self.__changeSignalBlocked:
self.__reconfigInterfView()
self.contentChanged.emit()
def __handleBlockNameChange(self):
if self.__changeSignalBlocked:
return
self.contentChanged.emit()
def __handleBlockDBChange(self):
if self.__changeSignalBlocked:
return
self.contentChanged.emit()
def __reconfigInterfView(self):
blockTypeStr, blockName, instanceDBs = self.blockTypeEdit.get()
if blockTypeStr.upper().strip() == "FC":
self.interfView.model().configure(
haveIn=True,
haveOut=True,
haveInOut=True,
haveStat=False,
haveTemp=True,
haveRetVal=True,
haveInitValue=False
)
elif blockTypeStr.upper().strip() == "FB":
self.interfView.model().configure(
haveIn=True,
haveOut=True,
haveInOut=True,
haveStat=True,
haveTemp=True,
haveRetVal=False,
haveInitValue=True
)
elif blockTypeStr.upper().strip() == "OB":
self.interfView.model().configure(
haveIn=False,
haveOut=False,
haveInOut=False,
haveStat=False,
haveTemp=True,
haveRetVal=False,
haveInitValue=False
)
else:
assert(0)
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