def reshape(self):
''' Update the shape of the edge (redefined function) '''
path = QPainterPath()
# If there is a starting point, draw a line to the first curve point
if self.start_point:
path.moveTo(self.source_connection.center)
path.lineTo(self.bezier[0])
else:
path.moveTo(self.source_connection.center)
# Loop over the curve points:
for group in self.bezier[1:]:
path.cubicTo(*[point.center for point in group])
# If there is an ending point, draw a line to it
if self.end_point:
path.lineTo(self.end_connection.center)
end_point = path.currentPosition()
arrowhead = self.angle_arrow(path)
path.lineTo(arrowhead[0])
path.moveTo(end_point)
path.lineTo(arrowhead[1])
path.moveTo(end_point)
try:
# Add the transition label, if any (none for the START edge)
font = QFont('arial', pointSize=8)
metrics = QFontMetrics(font)
label = self.edge.get('label', '') or ''
lines = label.split('\n')
width = metrics.width(max(lines)) # longest line
height = metrics.height() * len(lines)
# lp is the position of the center of the text
pos = self.mapFromScene(*self.edge['lp'])
if not self.text_label:
self.text_label = QGraphicsTextItem(self.edge.get('label', ''),
parent=self)
self.text_label.setX(pos.x() - width / 2)
self.text_label.setY(pos.y() - height / 2)
self.text_label.setFont(font)
# Make horizontal center alignment, as dot does
self.text_label.setTextWidth(
self.text_label.boundingRect().width())
fmt = QTextBlockFormat()
fmt.setAlignment(Qt.AlignHCenter)
cursor = self.text_label.textCursor()
cursor.select(QTextCursor.Document)
cursor.mergeBlockFormat(fmt)
cursor.clearSelection()
self.text_label.setTextCursor(cursor)
self.text_label.show()
except KeyError:
# no label
pass
self.setPath(path)
def __init__(self, process):
''' Set generic parameters from Connection class '''
super(Channel, self).__init__(process, process)
self.label_in = QGraphicsTextItem('[]', parent=self)
self.label_out = QGraphicsTextItem('[]', parent=self)
if not Channel.in_sig:
# keep at class level as long as only one process is supported
# when copy-pasting a process the challel in/out signal lists
# are not parsed. Workaround is to keep the list "global"
# to allow a copy of both process and channel
# Needed for the image exporter, that copies the scene to a
# temporary one
Channel.in_sig = '[{}]'.format(',\n'.join(
sig['name'] for sig in process.input_signals))
Channel.out_sig = '[{}]'.format(',\n'.join(
sig['name'] for sig in process.output_signals))
font = QFont('Ubuntu', pointSize=8)
for each in (self.label_in, self.label_out):
each.setFont(font)
each.show()
self.process = process
self.reshape()
def __init__(self, image, employee, text=u""):
super(EmployeePictureItem, self).__init__(image)
self.employee = employee
# FIXME Clear ownership issues if any
name = QGraphicsTextItem(self.employee.fullname + u" " + text, self)
if image:
name.setPos((image.width() - name.boundingRect().width()) / 2,
image.height())
self.boundingBox = QRectF(0, 0, image.width(), 180)
else:
self.boundingBox = QRectF(0, 0,
name.boundingRect().width(),
name.boundingRect().height())
def reshape(self):
''' Update the shape of the edge (redefined function) '''
path = QPainterPath()
# If there is a starting point, draw a line to the first curve point
if self.start_point:
path.moveTo(self.source_connection.center)
path.lineTo(self.bezier[0])
else:
path.moveTo(self.source_connection.center)
# Loop over the curve points:
for group in self.bezier[1:]:
path.cubicTo(*[point.center for point in group])
# If there is an ending point, draw a line to it
if self.end_point:
path.lineTo(self.end_connection.center)
end_point = path.currentPosition()
arrowhead = self.angle_arrow(path)
path.lineTo(arrowhead[0])
path.moveTo(end_point)
path.lineTo(arrowhead[1])
path.moveTo(end_point)
try:
# Add the transition label, if any (none for the START edge)
font = QFont('arial', pointSize=8)
width = QFontMetrics(font).width(self.edge.get('label', 0))
pos = self.mapFromScene(*self.edge['lp'])
#path.addText(pos.x() - width/2, pos.y(),
# font, self.edge['label'])
if not self.text_label:
self.text_label = QGraphicsTextItem(self.edge.get('label', ''),
parent=self)
self.text_label.setX(pos.x() - width / 2)
self.text_label.setY(pos.y())
self.text_label.setFont(font)
self.text_label.show()
except KeyError:
# no label
pass
self.setPath(path)
def __init__(self, parent):
super(QNEPort, self).__init__(parent)
self.label = QGraphicsTextItem(self)
self.radius_ = 4
self.margin = 3
path = QPainterPath()
path.addEllipse(-self.radius_, -self.radius_, 2*self.radius_, 2*self.radius_);
self.setPath(path)
self.setPen(QPen(Qt.darkRed))
self.setBrush(Qt.red)
self.setFlag(QGraphicsItem.ItemSendsScenePositionChanges)
self.m_portFlags = 0
self.isOutput_ = False
self.m_block = None
self.m_connections = []
def __init__(self, parent):
super(QNEPort, self).__init__(parent)
self.label = QGraphicsTextItem(self)
self.radius_ = 4
self.margin = 3
self.widgetWidth = 50
self.setPen(QPen(QApplication.palette().text().color(), 1))
self.setBrush(QApplication.palette().highlight())
self.setFlag(QGraphicsItem.ItemSendsScenePositionChanges)
self.valueText = QNEValue(self)
self.valueText.setPort(self)
self.outputPort = QNEOutputPort(self)
self.m_portFlags = 0
self.hasInput_ = False
self.hasOutput_ = False
self.m_block = None
self.m_connections = []
def graphicsTextItem(label):
item = QGraphicsTextItem(label)
item.setFont(Branding.figureFont())
return item
