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# -*- coding: utf-8 -*-
#
# AWL simulator - FUP - Boolean element classes
#
# 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.common.xmlfactory import *
from awlsim.gui.fup.fup_base import *
from awlsim.gui.fup.fup_elem import *
class FupElem_BOOLEAN_factory(FupElem_factory):
def composer_getTags(self):
connTags = []
for inp in self.elem.inputs:
connTags.extend(inp.factory(conn=inp).composer_getTags())
for out in self.elem.outputs:
connTags.extend(out.factory(conn=out).composer_getTags())
return [
self.Tag(name="element",
attrs={
"type" : "boolean",
"subtype" : self.elem.OP_SYM_NAME,
"x" : str(self.elem.x),
"y" : str(self.elem.y),
},
tags=[
self.Tag(name="connections",
tags=connTags),
])
]
class FupElem_BOOLEAN(FupElem):
"""Boolean FUP/FBD element base class"""
factory = FupElem_BOOLEAN_factory
def __init__(self, x, y, nrInputs=2):
FupElem.__init__(self, x, y)
self.inputs = [ FupConnIn(self, i)\
for i in range(nrInputs) ]
self.outputs = [ FupConnOut(self) ]
def getAreaViaPixCoord(self, pixelX, pixelY):
if self.grid:
cellWidth = self.grid.cellPixWidth
cellHeight = self.grid.cellPixHeight
totalWidth = cellWidth
totalHeight = cellHeight * self.height
xpad, ypad = self._xpadding, self._ypadding
if pixelY > ypad and pixelY < totalHeight - ypad:
if pixelX < xpad:
# inputs
idx = pixelY // cellHeight
return self.AREA_INPUT, idx
elif pixelX > totalWidth - xpad:
# outputs
if pixelY >= totalHeight - cellHeight:
return self.AREA_OUTPUT, 0
else:
# body
return self.AREA_BODY, 0
return self.AREA_NONE, 0
def getConnRelPixCoords(self, conn):
if self.grid:
cellHeight = self.grid.cellPixHeight
cellWidth = self.grid.cellPixWidth
if isinstance(conn, FupConnIn):
idx = self.inputs.index(conn)
x = FupConn.CONN_OFFS
elif isinstance(conn, FupConnOut):
idx = self.outputs.index(conn)
if idx >= 0:
idx = self.height - 1
x = cellWidth - FupConn.CONN_OFFS
if idx >= 0:
y = (idx * cellHeight) + (cellHeight // 2)
return x, y
return FupElem.getConnRelPixCoords(self, conn)
@property
def height(self):
return len(self.inputs)
def draw(self, painter):
if not self.grid:
return
cellWidth = self.grid.cellPixWidth
cellHeight = self.grid.cellPixHeight
xpad, ypad = self._xpadding, self._ypadding
elemHeight = cellHeight * self.height
elemWidth = cellWidth
# Draw inputs
for i, conn in enumerate(self.inputs):
y = (i * cellHeight) + (cellHeight // 2)
painter.setPen(self._connPen if conn.wire
else self._connOpenPen)
painter.drawLine(0, y, xpad, y)
# Draw output
y = elemHeight - (cellHeight // 2)
painter.setPen(self._connPen
if len(self.outputs) and self.outputs[0].wire
else self._connOpenPen)
painter.drawLine(cellWidth - xpad, y,
cellWidth, y)
# Draw body
painter.setPen(self._outlineSelPen if self.selected
else self._outlinePen)
painter.setBrush(self._bgBrush)
polygon = QPolygon([QPoint(xpad, ypad),
QPoint(elemWidth - xpad, ypad),
QPoint(elemWidth - xpad, elemHeight - ypad),
QPoint(xpad, elemHeight - ypad)])
painter.drawPolygon(polygon, Qt.OddEvenFill)
# Draw symbol text
painter.setFont(getDefaultFixedFont(11))
painter.drawText(0, 5,
elemWidth, elemHeight - 5,
Qt.AlignCenter | Qt.AlignTop,
self.OP_SYM)
def prepareContextMenu(self, menu):
menu.enableAddInput(True)
class FupElem_AND(FupElem_BOOLEAN):
"""AND FUP/FBD element"""
OP_SYM = "&"
OP_SYM_NAME = "and" # XML ABI name
class FupElem_OR(FupElem_BOOLEAN):
"""OR FUP/FBD element"""
OP_SYM = ">=1"
OP_SYM_NAME = "or" # XML ABI name
class FupElem_XOR(FupElem_BOOLEAN):
"""XOR FUP/FBD element"""
OP_SYM = "X"
OP_SYM_NAME = "xor" # XML ABI name
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