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Python Node.saveState方法代码示例

本文整理汇总了Python中pyqtgraph.flowchart.Node.saveState方法的典型用法代码示例。如果您正苦于以下问题:Python Node.saveState方法的具体用法?Python Node.saveState怎么用?Python Node.saveState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pyqtgraph.flowchart.Node的用法示例。


在下文中一共展示了Node.saveState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 saveState [as 别名]

#.........这里部分代码省略.........
                self.sigStateChanged.emit()
        
        

    def chartGraphicsItem(self):
        """Return the graphicsItem which displays the internals of this flowchart.
        (graphicsItem() still returns the external-view item)"""
        #return self._chartGraphicsItem
        return self.viewBox
        
    def widget(self):
        if self._widget is None:
            self._widget = FlowchartCtrlWidget(self)
            self.scene = self._widget.scene()
            self.viewBox = self._widget.viewBox()
            #self._scene = QtGui.QGraphicsScene()
            #self._widget.setScene(self._scene)
            #self.scene.addItem(self.chartGraphicsItem())
            
            #ci = self.chartGraphicsItem()
            #self.viewBox.addItem(ci)
            #self.viewBox.autoRange()
        return self._widget

    def listConnections(self):
        conn = set()
        for n in self._nodes.values():
            terms = n.outputs()
            for n, t in terms.items():
                for c in t.connections():
                    conn.add((t, c))
        return conn

    def saveState(self):
        state = Node.saveState(self)
        state['nodes'] = []
        state['connects'] = []
        #state['terminals'] = self.saveTerminals()
        
        for name, node in self._nodes.items():
            cls = type(node)
            if hasattr(cls, 'nodeName'):
                clsName = cls.nodeName
                pos = node.graphicsItem().pos()
                ns = {'class': clsName, 'name': name, 'pos': (pos.x(), pos.y()), 'state': node.saveState()}
                state['nodes'].append(ns)
            
        conn = self.listConnections()
        for a, b in conn:
            state['connects'].append((a.node().name(), a.name(), b.node().name(), b.name()))
        
        state['inputNode'] = self.inputNode.saveState()
        state['outputNode'] = self.outputNode.saveState()
        
        return state
        
    def restoreState(self, state, clear=False):
        self.blockSignals(True)
        try:
            if clear:
                self.clear()
            Node.restoreState(self, state)
            nodes = state['nodes']
            nodes.sort(lambda a, b: cmp(a['pos'][0], b['pos'][0]))
            for n in nodes:
                if n['name'] in self._nodes:
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注:本文中的pyqtgraph.flowchart.Node.saveState方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。