Houdini, create 2 network box and note

shelf_script.py

# region for autocomplete
import hou
from hou import SopNode, Node

hou.attribType.Point = 1
hou.attribType.Prim = 2
hou.attribType.Vertex = 3
hou.attribType.Global = 4

from typing import List, Type, Any, Union, Callable, Tuple
from typing import Tuple


# endregion

import math
def execute():
    # find parent node of current node.
    selected_nodes = hou.selectedNodes()  # type: tuple[hou.Node]
    current_nodes = [x for x in selected_nodes if x.isCurrent]  # type: List[hou.Node]
    if len(current_nodes) == 0:
        print("there are no selected node. please select some nodes")
        return
    parent = current_nodes[0].parent()  # type: hou.Node

    # create network boxes
    parent_network_box = parent.createNetworkBox()  # type: hou.NetworkBox
    child_network_box = parent.createNetworkBox()  # type: hou.NetworkBox

    # find good position of boxes, which is center of selected nodes.
    list_x_of_selected_nodes = [node.position().x() for node in selected_nodes]
    center_x = sum(list_x_of_selected_nodes) / len(selected_nodes)
    list_y_of_selected_nodes = [node.position().y() for node in selected_nodes]
    center_y = sum(list_y_of_selected_nodes) / len(selected_nodes)
    parent_network_box.setPosition(hou.Vector2(center_x, center_y))
    child_network_box.setPosition(hou.Vector2(center_x, center_y))

    # add selected nodes to box. and resize box.
    parent_network_box.addItem(child_network_box)
    for selected_node in selected_nodes:  # type: hou.Node
        child_network_box.addItem(selected_node)
        child_network_box.fitAroundContents()
    parent_network_box.fitAroundContents()

    # set color of network boxes
    color_of_network_view = hou.Color(48.0 / 255.0, 48.0 / 255.0, 48.0 / 255.0)
    parent_network_box.setColor(color_of_network_view)
    color_of_factory_default_sticky_note = hou.Color(90.0 / 255.0, 90.0 / 255.0, 90.0 / 255.0)
    child_network_box.setColor(color_of_factory_default_sticky_note)

    # create sticky_note
    sticky_note = parent.createStickyNote()  # type: hou.StickyNote
    parent_network_box.addItem(sticky_note)
    sticky_note.setPosition(hou.Vector2(center_x, center_y))
    sticky_note.setText("title")
    sticky_note.setTextSize(0.35)
    sticky_note_width = child_network_box.size().x()
    stick_note_height = 0.65
    sticky_note.setSize(hou.Vector2(sticky_note_width, stick_note_height))
    sticky_note_text_color = hou.Color(214.0 / 255.0, 214.0 / 255.0, 214.0 / 255.0)
    sticky_note_background_color = hou.Color(82.0 / 255.0, 82.0 / 255.0, 82.0 / 255.0)
    sticky_note.setTextColor(sticky_note_text_color)
    sticky_note.setColor(sticky_note_background_color)

    # move sticky_note on the node whose position is top of nodes
    left_most_x = min(list_x_of_selected_nodes)
    up_most_y = max(list_y_of_selected_nodes)
    # sticky_note_position_x = left_most_x # left_most_xを使うと、child_network_boxの厚み分、ズレが生じてしまうので不可能。
    sticky_note_position_x = child_network_box.position().x()
    sticky_note_position_y = up_most_y + stick_note_height * 1.5
    # sticky_note_position_y = child_network_box.position().y() + stick_note_height * 1.7 # ｘとは逆に child_nexwork_boxを使うとうまくいかない。
    sticky_note_position = hou.Vector2(sticky_note_position_x, sticky_note_position_y)
    sticky_note.setPosition(sticky_note_position)
    parent_network_box.fitAroundContents()

execute()