mirror of
https://github.com/blender/blender-addons.git
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711efc3e2c
Adds a Remove Empty Collections operator in a new specials menu in the main Collection Manager popup. This operator has two modes: Mode one only removes collections if they don't have subcollections or objects. Mode two removes all collections that don't contain objects. Both of these modes are accessible via the new specials menu.
374 lines
12 KiB
Python
374 lines
12 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# Copyright 2011, Ryan Inch
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import bpy
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from .internals import (
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layer_collections,
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qcd_slots,
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expanded,
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expand_history,
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rto_history,
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copy_buffer,
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swap_buffer,
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update_property_group,
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)
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rto_path = {
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"exclude": "exclude",
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"select": "collection.hide_select",
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"hide": "hide_viewport",
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"disable": "collection.hide_viewport",
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"render": "collection.hide_render"
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}
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def get_rto(layer_collection, rto):
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if rto in ["exclude", "hide"]:
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return getattr(layer_collection, rto_path[rto])
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else:
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collection = getattr(layer_collection, "collection")
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return getattr(collection, rto_path[rto].split(".")[1])
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def set_rto(layer_collection, rto, value):
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if rto in ["exclude", "hide"]:
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setattr(layer_collection, rto_path[rto], value)
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else:
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collection = getattr(layer_collection, "collection")
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setattr(collection, rto_path[rto].split(".")[1], value)
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def apply_to_children(laycol, apply_function):
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laycol_iter_list = [laycol.children]
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while len(laycol_iter_list) > 0:
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new_laycol_iter_list = []
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for laycol_iter in laycol_iter_list:
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for layer_collection in laycol_iter:
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apply_function(layer_collection)
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if len(layer_collection.children) > 0:
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new_laycol_iter_list.append(layer_collection.children)
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laycol_iter_list = new_laycol_iter_list
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def isolate_rto(cls, self, view_layer, rto, *, children=False):
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laycol_ptr = layer_collections[self.name]["ptr"]
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target = rto_history[rto][view_layer]["target"]
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history = rto_history[rto][view_layer]["history"]
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# get active collections
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active_layer_collections = [x["ptr"] for x in layer_collections.values()
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if not get_rto(x["ptr"], rto)]
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# check if previous state should be restored
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if cls.isolated and self.name == target:
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# restore previous state
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for x, item in enumerate(layer_collections.values()):
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set_rto(item["ptr"], rto, history[x])
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# reset target and history
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del rto_history[rto][view_layer]
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cls.isolated = False
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# check if all RTOs should be activated
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elif (len(active_layer_collections) == 1 and
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active_layer_collections[0].name == self.name):
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# activate all collections
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for item in layer_collections.values():
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set_rto(item["ptr"], rto, False)
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# reset target and history
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del rto_history[rto][view_layer]
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cls.isolated = False
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else:
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# isolate collection
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rto_history[rto][view_layer]["target"] = self.name
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# reset history
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history.clear()
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# save state
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for item in layer_collections.values():
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history.append(get_rto(item["ptr"], rto))
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child_states = {}
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if children:
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# get child states
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def get_child_states(layer_collection):
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child_states[layer_collection.name] = get_rto(layer_collection, rto)
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apply_to_children(laycol_ptr, get_child_states)
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# isolate collection
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for item in layer_collections.values():
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if item["name"] != laycol_ptr.name:
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set_rto(item["ptr"], rto, True)
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set_rto(laycol_ptr, rto, False)
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if rto != "exclude":
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# activate all parents
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laycol = layer_collections[self.name]
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while laycol["id"] != 0:
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set_rto(laycol["ptr"], rto, False)
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laycol = laycol["parent"]
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if children:
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# restore child states
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def restore_child_states(layer_collection):
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set_rto(layer_collection, rto, child_states[layer_collection.name])
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apply_to_children(laycol_ptr, restore_child_states)
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else:
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if children:
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# restore child states
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def restore_child_states(layer_collection):
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set_rto(layer_collection, rto, child_states[layer_collection.name])
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apply_to_children(laycol_ptr, restore_child_states)
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else:
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# deactivate all children
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def deactivate_all_children(layer_collection):
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set_rto(layer_collection, rto, True)
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apply_to_children(laycol_ptr, deactivate_all_children)
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cls.isolated = True
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def toggle_children(self, view_layer, rto):
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laycol_ptr = layer_collections[self.name]["ptr"]
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# clear rto history
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del rto_history[rto][view_layer]
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rto_history[rto+"_all"].pop(view_layer, None)
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# toggle rto state
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state = not get_rto(laycol_ptr, rto)
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set_rto(laycol_ptr, rto, state)
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def set_state(layer_collection):
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set_rto(layer_collection, rto, state)
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apply_to_children(laycol_ptr, set_state)
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def activate_all_rtos(view_layer, rto):
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history = rto_history[rto+"_all"][view_layer]
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# if not activated, activate all
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if len(history) == 0:
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keep_history = False
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for item in reversed(list(layer_collections.values())):
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if get_rto(item["ptr"], rto) == True:
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keep_history = True
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history.append(get_rto(item["ptr"], rto))
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set_rto(item["ptr"], rto, False)
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if not keep_history:
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history.clear()
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history.reverse()
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else:
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for x, item in enumerate(layer_collections.values()):
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set_rto(item["ptr"], rto, history[x])
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# clear rto history
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del rto_history[rto+"_all"][view_layer]
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def invert_rtos(view_layer, rto):
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if rto == "exclude":
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orig_values = []
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for item in layer_collections.values():
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orig_values.append(get_rto(item["ptr"], rto))
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for x, item in enumerate(layer_collections.values()):
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set_rto(item["ptr"], rto, not orig_values[x])
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else:
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for item in layer_collections.values():
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set_rto(item["ptr"], rto, not get_rto(item["ptr"], rto))
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# clear rto history
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rto_history[rto].pop(view_layer, None)
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def copy_rtos(view_layer, rto):
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if not copy_buffer["RTO"]:
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# copy
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copy_buffer["RTO"] = rto
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for laycol in layer_collections.values():
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copy_buffer["values"].append(get_rto(laycol["ptr"], rto))
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else:
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# paste
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for x, laycol in enumerate(layer_collections.values()):
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set_rto(laycol["ptr"], rto, copy_buffer["values"][x])
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# clear rto history
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rto_history[rto].pop(view_layer, None)
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del rto_history[rto+"_all"][view_layer]
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# clear copy buffer
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copy_buffer["RTO"] = ""
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copy_buffer["values"].clear()
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def swap_rtos(view_layer, rto):
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if not swap_buffer["A"]["values"]:
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# get A
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swap_buffer["A"]["RTO"] = rto
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for laycol in layer_collections.values():
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swap_buffer["A"]["values"].append(get_rto(laycol["ptr"], rto))
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else:
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# get B
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swap_buffer["B"]["RTO"] = rto
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for laycol in layer_collections.values():
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swap_buffer["B"]["values"].append(get_rto(laycol["ptr"], rto))
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# swap A with B
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for x, laycol in enumerate(layer_collections.values()):
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set_rto(laycol["ptr"], swap_buffer["A"]["RTO"], swap_buffer["B"]["values"][x])
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set_rto(laycol["ptr"], swap_buffer["B"]["RTO"], swap_buffer["A"]["values"][x])
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# clear rto history
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swap_a = swap_buffer["A"]["RTO"]
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swap_b = swap_buffer["B"]["RTO"]
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rto_history[swap_a].pop(view_layer, None)
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rto_history[swap_a+"_all"].pop(view_layer, None)
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rto_history[swap_b].pop(view_layer, None)
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rto_history[swap_b+"_all"].pop(view_layer, None)
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# clear swap buffer
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swap_buffer["A"]["RTO"] = ""
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swap_buffer["A"]["values"].clear()
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swap_buffer["B"]["RTO"] = ""
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swap_buffer["B"]["values"].clear()
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def clear_copy(rto):
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if copy_buffer["RTO"] == rto:
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copy_buffer["RTO"] = ""
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copy_buffer["values"].clear()
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def clear_swap(rto):
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if swap_buffer["A"]["RTO"] == rto:
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swap_buffer["A"]["RTO"] = ""
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swap_buffer["A"]["values"].clear()
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swap_buffer["B"]["RTO"] = ""
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swap_buffer["B"]["values"].clear()
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def link_child_collections_to_parent(laycol, collection, parent_collection):
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# store view layer RTOs for all children of the to be deleted collection
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child_states = {}
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def get_child_states(layer_collection):
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child_states[layer_collection.name] = (layer_collection.exclude,
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layer_collection.hide_viewport,
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layer_collection.holdout,
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layer_collection.indirect_only)
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apply_to_children(laycol["ptr"], get_child_states)
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# link any subcollections of the to be deleted collection to it's parent
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for subcollection in collection.children:
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if not subcollection.name in parent_collection.children:
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parent_collection.children.link(subcollection)
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# apply the stored view layer RTOs to the newly linked collections and their
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# children
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def restore_child_states(layer_collection):
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state = child_states.get(layer_collection.name)
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if state:
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layer_collection.exclude = state[0]
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layer_collection.hide_viewport = state[1]
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layer_collection.holdout = state[2]
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layer_collection.indirect_only = state[3]
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apply_to_children(laycol["parent"]["ptr"], restore_child_states)
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def remove_collection(laycol, collection, context):
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# get selected row
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cm = context.scene.collection_manager
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selected_row_name = cm.cm_list_collection[cm.cm_list_index].name
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# delete collection
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bpy.data.collections.remove(collection)
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# update references
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expanded.discard(laycol["name"])
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if expand_history["target"] == laycol["name"]:
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expand_history["target"] = ""
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if laycol["name"] in expand_history["history"]:
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expand_history["history"].remove(laycol["name"])
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if qcd_slots.contains(name=laycol["name"]):
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qcd_slots.del_slot(name=laycol["name"])
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if laycol["name"] in qcd_slots.overrides:
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qcd_slots.overrides.remove(laycol["name"])
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# reset history
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for rto in rto_history.values():
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rto.clear()
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# update tree view
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update_property_group(context)
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# update selected row
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laycol = layer_collections.get(selected_row_name, None)
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if laycol:
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cm.cm_list_index = laycol["row_index"]
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elif len(cm.cm_list_collection) <= cm.cm_list_index:
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cm.cm_list_index = len(cm.cm_list_collection) - 1
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if cm.cm_list_index > -1:
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name = cm.cm_list_collection[cm.cm_list_index].name
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laycol = layer_collections[name]
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while not laycol["visible"]:
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laycol = laycol["parent"]
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cm.cm_list_index = laycol["row_index"]
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