本文整理汇总了Python中pyqtgraph.flowchart.Node.addTerminal方法的典型用法代码示例。如果您正苦于以下问题：Python Node.addTerminal方法的具体用法？Python Node.addTerminal怎么用？Python Node.addTerminal使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pyqtgraph.flowchart.Node的用法示例。
在下文中一共展示了Node.addTerminal方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Flowchart
# 需要导入模块: from pyqtgraph.flowchart import Node [as 别名]
# 或者: from pyqtgraph.flowchart.Node import addTerminal [as 别名]
class Flowchart(Node):
sigFileLoaded = QtCore.Signal(object)
sigFileSaved = QtCore.Signal(object)
#sigOutputChanged = QtCore.Signal() ## inherited from Node
sigChartLoaded = QtCore.Signal()
sigStateChanged = QtCore.Signal()
def __init__(self, terminals=None, name=None, filePath=None):
pg.setConfigOption('background', 'w')
pg.setConfigOption('foreground', 'k')
if name is None:
name = "Flowchart"
if terminals is None:
terminals = {}
self.filePath = filePath
Node.__init__(self, name, allowAddInput=True, allowAddOutput=True) ## create node without terminals; we'll add these later
self.inputWasSet = False ## flag allows detection of changes in the absence of input change.
self._nodes = {}
self.nextZVal = 10
#self.connects = []
#self._chartGraphicsItem = FlowchartGraphicsItem(self)
self._widget = None
self._scene = None
self.processing = False ## flag that prevents recursive node updates
self.widget()
self.inputNode = Node('Input', allowRemove=False, allowAddOutput=True)
self.outputNode = Node('Output', allowRemove=False, allowAddInput=True)
self.addNode(self.inputNode, 'Input', [-150, 0])
self.addNode(self.outputNode, 'Output', [300, 0])
self.outputNode.sigOutputChanged.connect(self.outputChanged)
self.outputNode.sigTerminalRenamed.connect(self.internalTerminalRenamed)
self.inputNode.sigTerminalRenamed.connect(self.internalTerminalRenamed)
self.outputNode.sigTerminalRemoved.connect(self.internalTerminalRemoved)
self.inputNode.sigTerminalRemoved.connect(self.internalTerminalRemoved)
self.outputNode.sigTerminalAdded.connect(self.internalTerminalAdded)
self.inputNode.sigTerminalAdded.connect(self.internalTerminalAdded)
self.viewBox.autoRange(padding = 0.04)
for name, opts in terminals.items():
self.addTerminal(name, **opts)
def setInput(self, **args):
"""Set the input values of the flowchart. This will automatically propagate
the new values throughout the flowchart, (possibly) causing the output to change.
"""
#print "setInput", args
#Node.setInput(self, **args)
#print " ....."
self.inputWasSet = True
self.inputNode.setOutput(**args)
def outputChanged(self):
## called when output of internal node has changed
vals = self.outputNode.inputValues()
self.widget().outputChanged(vals)
self.setOutput(**vals)
#self.sigOutputChanged.emit(self)
def output(self):
"""Return a dict of the values on the Flowchart's output terminals.
"""
return self.outputNode.inputValues()
def nodes(self):
return self._nodes
def addTerminal(self, name, **opts):
term = Node.addTerminal(self, name, **opts)
name = term.name()
if opts['io'] == 'in': ## inputs to the flowchart become outputs on the input node
opts['io'] = 'out'
opts['multi'] = False
self.inputNode.sigTerminalAdded.disconnect(self.internalTerminalAdded)
try:
term2 = self.inputNode.addTerminal(name, **opts)
finally:
self.inputNode.sigTerminalAdded.connect(self.internalTerminalAdded)
else:
opts['io'] = 'in'
#opts['multi'] = False
self.outputNode.sigTerminalAdded.disconnect(self.internalTerminalAdded)
try:
term2 = self.outputNode.addTerminal(name, **opts)
finally:
self.outputNode.sigTerminalAdded.connect(self.internalTerminalAdded)
return term
def removeTerminal(self, name):
#print "remove:", name
#.........这里部分代码省略.........