btv.py 文件源码

def node_data_call_back(self,nodeDataArray):
        graph = pygr.AGraph()
        show_name = self.show_node_name
        for node in nodeDataArray.nodes:
            my_color,my_shape = self.read_attributes(node)
            my_label = node.myName + "\n" + "("+node.myType+")"

            if node.myStatus != 3 \
                    or self.draw_all_nodes == True \
                    or node.myName == show_name \
                    or node.parentName == show_name:

                # avoid an overwrinting of inactive node on an active node
                if graph.has_node(node.myName) == False \
                        or node.myStatus != 3:
                    graph.add_node(node.myName,
                        style="filled",
                        fillcolor=my_color,
                        shape=my_shape,
                        label=my_label)

                graph.add_edge(node.myName,node.parentName)

        dot_string = graph.to_string()

        # use same sentences to correct centering
        if self.centering == True:
            self._widget.xdot_widget.set_dotcode(dot_string, center=True)
            self.centering = False
        else:
            self._widget.xdot_widget.set_dotcode(dot_string, center=False)