def setValue(self, value):
"""
Set the value of this edit's input object to the given string and
handle the messages appropriately.
"""
# The only way to get the shorthand location string is to set the existing
# input to the new full ID and request the string. This means that when
# we send the valueChanged signal, it was getting an "old value" identical
# to the new value. Setting the input's value to what it used to be before
# emitting the message has provided a temporary bandaid.
oldValue = self.input.value
self.input.value = value
self.inputHasBeenChangedTo = value
if self.input.value != "":
dataPacketForInput = self.dag.nodeInputDataPacket(self.dagNode, self.input)
self.input.value = oldValue
self.lineEdit.setText(depends_data_packet.shorthandScenegraphLocationString(dataPacketForInput))
else:
self.lineEdit.setText("")
def setValue(self, value):
"""
Set the value of this edit's input object to the given string and
handle the messages appropriately.
"""
# The only way to get the shorthand location string is to set the existing
# input to the new full ID and request the string. This means that when
# we send the valueChanged signal, it was getting an "old value" identical
# to the new value. Setting the input's value to what it used to be before
# emitting the message has provided a temporary bandaid.
oldValue = self.input.value
self.input.value = value
self.inputHasBeenChangedTo = value
if self.input.value != "":
dataPacketForInput = self.dag.nodeInputDataPacket(
self.dagNode, self.input)
self.input.value = oldValue
self.lineEdit.setText(
depends_data_packet.shorthandScenegraphLocationString(
dataPacketForInput))
else:
self.lineEdit.setText("")
def rebuild(self, sceneGraph, selectedDagNode):
"""
Rebuild the current widget, given a scene graph object and the selected
dag node. A value of None in the sceneGraph field clears the widget, and
a value of none in the selectedDagNode field displays all nodes including
the selected one.
"""
if not sceneGraph:
self.tableWidget.setRowCount(0)
return
# Count the number of rows
rowCount = len([dp for dp in sceneGraph if dp.sourceNode != selectedDagNode])
self.tableWidget.setRowCount(rowCount)
index = 0
for dataPacket in sceneGraph:
if dataPacket.sourceNode == selectedDagNode:
continue
self.tableWidget.setRowHeight(index, 20)
# If the selected dag node can't read the datatype, make it obvious
disabled = False
if selectedDagNode.dataPacketTypesAccepted() and type(dataPacket) not in selectedDagNode.dataPacketTypesAccepted():
disabled = True
# Add the text field with enhanced middle-button drag'n'drop functionality
class DraggableTextWidget(QtGui.QLabel):
# Signals
mouseover = QtCore.Signal(depends_node.DagNode)
def __init__(self, dataPacket, *args):
super(DraggableTextWidget, self).__init__(*args)
self.pointerToDataPacket = dataPacket
self.setStyleSheet("background:transparent;")
def mousePressEvent(self, event):
#if event.buttons() != QtCore.Qt.MiddleButton:
# return QtGui.QLabel().mousePressEvent(event)
mimeData = QtCore.QMimeData()
dragText = depends_data_packet.scenegraphLocationString(self.pointerToDataPacket)
mimeData.setText(dragText)
drag = QtGui.QDrag(self)
drag.setMimeData(mimeData)
drag.exec_(QtCore.Qt.CopyAction)
#QtGui.QLabel.mousePressEvent(self, event)
def enterEvent(self, event):
self.mouseover.emit([self.pointerToDataPacket.sourceNode])
QtGui.QLabel.enterEvent(self, event)
def leaveEvent(self, event):
self.mouseover.emit(None)
QtGui.QLabel.leaveEvent(self, event)
textWidget = DraggableTextWidget(dataPacket)
textWidget.setTextFormat(QtCore.Qt.RichText)
colorString = "00aa00" if dataPacket.dataPresent() else "aa0000"
if disabled:
colorString = "868686"
textWidget.setText("<html><font color=\"#%s\"> %s</font> - %s</html>" % (colorString, dataPacket.typeStr(), depends_data_packet.shorthandScenegraphLocationString(dataPacket)))
self.tableWidget.setCellWidget(index, 0, textWidget)
# Chain the text edit mouseover signal out with property name and value
textWidget.mouseover.connect(self.handleMouseover)
index += 1
# Unsure if this is really necessary, but it makes a difference
self.repaint()
def rebuild(self, sceneGraph, selectedDagNode):
"""
Rebuild the current widget, given a scene graph object and the selected
dag node. A value of None in the sceneGraph field clears the widget, and
a value of none in the selectedDagNode field displays all nodes including
the selected one.
"""
if not sceneGraph:
self.tableWidget.setRowCount(0)
return
# Count the number of rows
rowCount = len(
[dp for dp in sceneGraph if dp.sourceNode != selectedDagNode])
self.tableWidget.setRowCount(rowCount)
index = 0
for dataPacket in sceneGraph:
if dataPacket.sourceNode == selectedDagNode:
continue
self.tableWidget.setRowHeight(index, 20)
# If the selected dag node can't read the datatype, make it obvious
disabled = False
if selectedDagNode.dataPacketTypesAccepted() and type(
dataPacket) not in selectedDagNode.dataPacketTypesAccepted(
):
disabled = True
# Add the text field with enhanced middle-button drag'n'drop functionality
class DraggableTextWidget(QtGui.QLabel):
# Signals
mouseover = QtCore.Signal(depends_node.DagNode)
def __init__(self, dataPacket, *args):
super(DraggableTextWidget, self).__init__(*args)
self.pointerToDataPacket = dataPacket
self.setStyleSheet("background:transparent;")
def mousePressEvent(self, event):
#if event.buttons() != QtCore.Qt.MiddleButton:
# return QtGui.QLabel().mousePressEvent(event)
mimeData = QtCore.QMimeData()
dragText = depends_data_packet.scenegraphLocationString(
self.pointerToDataPacket)
mimeData.setText(dragText)
drag = QtGui.QDrag(self)
drag.setMimeData(mimeData)
drag.exec_(QtCore.Qt.CopyAction)
#QtGui.QLabel.mousePressEvent(self, event)
def enterEvent(self, event):
self.mouseover.emit([self.pointerToDataPacket.sourceNode])
QtGui.QLabel.enterEvent(self, event)
def leaveEvent(self, event):
self.mouseover.emit(None)
QtGui.QLabel.leaveEvent(self, event)
textWidget = DraggableTextWidget(dataPacket)
textWidget.setTextFormat(QtCore.Qt.RichText)
colorString = "00aa00" if dataPacket.dataPresent() else "aa0000"
if disabled:
colorString = "868686"
textWidget.setText(
"<html><font color=\"#%s\"> %s</font> - %s</html>" %
(colorString, dataPacket.typeStr(),
depends_data_packet.shorthandScenegraphLocationString(
dataPacket)))
self.tableWidget.setCellWidget(index, 0, textWidget)
# Chain the text edit mouseover signal out with property name and value
textWidget.mouseover.connect(self.handleMouseover)
index += 1
# Unsure if this is really necessary, but it makes a difference
self.repaint()
