blender-addons/object_edit_linked.py
2023-07-05 09:41:03 +02:00

439 lines
16 KiB
Python

# SPDX-License-Identifier: GPL-2.0-or-later
bl_info = {
"name": "Edit Linked Library",
"author": "Jason van Gumster (Fweeb), Bassam Kurdali, Pablo Vazquez, Rainer Trummer",
"version": (0, 9, 2),
"blender": (2, 80, 0),
"location": "File > External Data / View3D > Sidebar > Item Tab / Node Editor > Sidebar > Node Tab",
"description": "Allows editing of objects, collections, and node groups linked from a .blend library.",
"doc_url": "{BLENDER_MANUAL_URL}/addons/object/edit_linked_library.html",
"category": "Object",
}
import bpy
import logging
import os
from bpy.app.handlers import persistent
logger = logging.getLogger('object_edit_linked')
settings = {
"original_file": "",
"linked_file": "",
"linked_objects": [],
"linked_nodes": []
}
@persistent
def linked_file_check(context: bpy.context):
if settings["linked_file"] != "":
if os.path.samefile(settings["linked_file"], bpy.data.filepath):
logger.info("Editing a linked library.")
bpy.ops.object.select_all(action='DESELECT')
for ob_name in settings["linked_objects"]:
bpy.data.objects[ob_name].select_set(True) # XXX Assumes selected object is in the active scene
if len(settings["linked_objects"]) == 1:
context.view_layer.objects.active = bpy.data.objects[settings["linked_objects"][0]]
else:
# For some reason, the linked editing session ended
# (failed to find a file or opened a different file
# before returning to the originating .blend)
settings["original_file"] = ""
settings["linked_file"] = ""
class OBJECT_OT_EditLinked(bpy.types.Operator):
"""Edit Linked Library"""
bl_idname = "object.edit_linked"
bl_label = "Edit Linked Library"
use_autosave: bpy.props.BoolProperty(
name="Autosave",
description="Save the current file before opening the linked library",
default=True)
use_instance: bpy.props.BoolProperty(
name="New Blender Instance",
description="Open in a new Blender instance",
default=False)
@classmethod
def poll(cls, context: bpy.context):
return settings["original_file"] == "" and context.active_object is not None and (
(context.active_object.instance_collection and
context.active_object.instance_collection.library is not None) or
context.active_object.library is not None or
(context.active_object.override_library and
context.active_object.override_library.reference.library is not None))
def execute(self, context: bpy.context):
target = context.active_object
if target.instance_collection and target.instance_collection.library:
targetpath = target.instance_collection.library.filepath
settings["linked_objects"].extend({ob.name for ob in target.instance_collection.objects})
elif target.library:
targetpath = target.library.filepath
settings["linked_objects"].append(target.name)
elif target.override_library:
target = target.override_library.reference
targetpath = target.library.filepath
settings["linked_objects"].append(target.name)
if targetpath:
logger.debug(target.name + " is linked to " + targetpath)
if self.use_autosave:
if not bpy.data.filepath:
# File is not saved on disk, better to abort!
self.report({'ERROR'}, "Current file does not exist on disk, we cannot autosave it, aborting")
return {'CANCELLED'}
bpy.ops.wm.save_mainfile()
settings["original_file"] = bpy.data.filepath
# Using both bpy and os abspath functions because Windows doesn't like relative routes as part of an absolute path
settings["linked_file"] = os.path.abspath(bpy.path.abspath(targetpath))
if self.use_instance:
import subprocess
try:
subprocess.Popen([bpy.app.binary_path, settings["linked_file"]])
except:
logger.error("Error on the new Blender instance")
import traceback
logger.error(traceback.print_exc())
else:
bpy.ops.wm.open_mainfile(filepath=settings["linked_file"])
logger.info("Opened linked file!")
else:
self.report({'WARNING'}, target.name + " is not linked")
logger.warning(target.name + " is not linked")
return {'FINISHED'}
class NODE_OT_EditLinked(bpy.types.Operator):
"""Edit Linked Library"""
bl_idname = "node.edit_linked"
bl_label = "Edit Linked Library"
use_autosave: bpy.props.BoolProperty(
name="Autosave",
description="Save the current file before opening the linked library",
default=True)
use_instance: bpy.props.BoolProperty(
name="New Blender Instance",
description="Open in a new Blender instance",
default=False)
@classmethod
def poll(cls, context: bpy.context):
return settings["original_file"] == "" and context.active_node is not None and (
(context.active_node.type == 'GROUP' and
hasattr(context.active_node.node_tree, "library") and
context.active_node.node_tree.library is not None) or
(hasattr(context.active_node, "monad") and
context.active_node.monad.library is not None))
def execute(self, context: bpy.context):
target = context.active_node
if (target.type == "GROUP"):
target = target.node_tree
else:
target = target.monad
targetpath = target.library.filepath
settings["linked_nodes"].append(target.name)
if targetpath:
logger.debug(target.name + " is linked to " + targetpath)
if self.use_autosave:
if not bpy.data.filepath:
# File is not saved on disk, better to abort!
self.report({'ERROR'}, "Current file does not exist on disk, we cannot autosave it, aborting")
return {'CANCELLED'}
bpy.ops.wm.save_mainfile()
settings["original_file"] = bpy.data.filepath
# Using both bpy and os abspath functions because Windows doesn't like relative routes as part of an absolute path
settings["linked_file"] = os.path.abspath(bpy.path.abspath(targetpath))
if self.use_instance:
import subprocess
try:
subprocess.Popen([bpy.app.binary_path, settings["linked_file"]])
except:
logger.error("Error on the new Blender instance")
import traceback
logger.error(traceback.print_exc())
else:
bpy.ops.wm.open_mainfile(filepath=settings["linked_file"])
logger.info("Opened linked file!")
else:
self.report({'WARNING'}, target.name + " is not linked")
logger.warning(target.name + " is not linked")
return {'FINISHED'}
class WM_OT_ReturnToOriginal(bpy.types.Operator):
"""Load the original file"""
bl_idname = "wm.return_to_original"
bl_label = "Return to Original File"
use_autosave: bpy.props.BoolProperty(
name="Autosave",
description="Save the current file before opening original file",
default=True)
@classmethod
def poll(cls, context: bpy.context):
return (settings["original_file"] != "")
def execute(self, context: bpy.context):
if self.use_autosave:
bpy.ops.wm.save_mainfile()
bpy.ops.wm.open_mainfile(filepath=settings["original_file"])
settings["original_file"] = ""
settings["linked_objects"] = []
logger.info("Back to the original!")
return {'FINISHED'}
class VIEW3D_PT_PanelLinkedEdit(bpy.types.Panel):
bl_label = "Edit Linked Library"
bl_space_type = "VIEW_3D"
bl_region_type = 'UI'
bl_category = "Item"
bl_context = 'objectmode'
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context: bpy.context):
return (context.active_object is not None) or (settings["original_file"] != "")
def draw_common(self, scene, layout, props):
if props is not None:
props.use_autosave = scene.use_autosave
props.use_instance = scene.use_instance
layout.prop(scene, "use_autosave")
layout.prop(scene, "use_instance")
def draw(self, context: bpy.context):
scene = context.scene
layout = self.layout
layout.use_property_split = False
layout.use_property_decorate = False
icon = "OUTLINER_DATA_" + context.active_object.type.replace("LIGHT_PROBE", "LIGHTPROBE")
target = None
target = context.active_object.instance_collection
if settings["original_file"] == "" and (
(target and
target.library is not None) or
context.active_object.library is not None or
(context.active_object.override_library is not None and
context.active_object.override_library.reference is not None)):
if (target is not None):
props = layout.operator("object.edit_linked", icon="LINK_BLEND",
text="Edit Library: %s" % target.name)
elif (context.active_object.library):
props = layout.operator("object.edit_linked", icon="LINK_BLEND",
text="Edit Library: %s" % context.active_object.name)
else:
props = layout.operator("object.edit_linked", icon="LINK_BLEND",
text="Edit Override Library: %s" % context.active_object.override_library.reference.name)
self.draw_common(scene, layout, props)
if (target is not None):
layout.label(text="Path: %s" %
target.library.filepath)
elif (context.active_object.library):
layout.label(text="Path: %s" %
context.active_object.library.filepath)
else:
layout.label(text="Path: %s" %
context.active_object.override_library.reference.library.filepath)
elif settings["original_file"] != "":
if scene.use_instance:
layout.operator("wm.return_to_original",
text="Reload Current File",
icon="FILE_REFRESH").use_autosave = False
layout.separator()
# XXX - This is for nested linked assets... but it only works
# when launching a new Blender instance. Nested links don't
# currently work when using a single instance of Blender.
if context.active_object.instance_collection is not None:
props = layout.operator("object.edit_linked",
text="Edit Library: %s" % context.active_object.instance_collection.name,
icon="LINK_BLEND")
else:
props = None
self.draw_common(scene, layout, props)
if context.active_object.instance_collection is not None:
layout.label(text="Path: %s" %
context.active_object.instance_collection.library.filepath)
else:
props = layout.operator("wm.return_to_original", icon="LOOP_BACK")
props.use_autosave = scene.use_autosave
layout.prop(scene, "use_autosave")
else:
layout.label(text="%s is not linked" % context.active_object.name,
icon=icon)
class NODE_PT_PanelLinkedEdit(bpy.types.Panel):
bl_label = "Edit Linked Library"
bl_space_type = 'NODE_EDITOR'
bl_region_type = 'UI'
if bpy.app.version >= (2, 93, 0):
bl_category = "Node"
else:
bl_category = "Item"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
return context.active_node is not None
def draw_common(self, scene, layout, props):
if props is not None:
props.use_autosave = scene.use_autosave
props.use_instance = scene.use_instance
layout.prop(scene, "use_autosave")
layout.prop(scene, "use_instance")
def draw(self, context):
scene = context.scene
layout = self.layout
layout.use_property_split = False
layout.use_property_decorate = False
icon = 'NODETREE'
target = context.active_node
if settings["original_file"] == "" and (
(target.type == 'GROUP' and hasattr(target.node_tree, "library") and
target.node_tree.library is not None) or
(hasattr(target, "monad") and target.monad.library is not None)):
if (target.type == "GROUP"):
props = layout.operator("node.edit_linked", icon="LINK_BLEND",
text="Edit Library: %s" % target.name)
else:
props = layout.operator("node.edit_linked", icon="LINK_BLEND",
text="Edit Library: %s" % target.monad.name)
self.draw_common(scene, layout, props)
if (target.type == "GROUP"):
layout.label(text="Path: %s" % target.node_tree.library.filepath)
else:
layout.label(text="Path: %s" % target.monad.library.filepath)
elif settings["original_file"] != "":
if scene.use_instance:
layout.operator("wm.return_to_original",
text="Reload Current File",
icon="FILE_REFRESH").use_autosave = False
layout.separator()
props = None
self.draw_common(scene, layout, props)
#layout.label(text="Path: %s" %
# context.active_object.instance_collection.library.filepath)
else:
props = layout.operator("wm.return_to_original", icon="LOOP_BACK")
props.use_autosave = scene.use_autosave
layout.prop(scene, "use_autosave")
else:
layout.label(text="%s is not linked" % target.name, icon=icon)
class TOPBAR_MT_edit_linked_submenu(bpy.types.Menu):
bl_label = 'Edit Linked Library'
def draw(self, context):
self.layout.separator()
self.layout.operator(OBJECT_OT_EditLinked.bl_idname)
self.layout.operator(WM_OT_ReturnToOriginal.bl_idname)
addon_keymaps = []
classes = (
OBJECT_OT_EditLinked,
NODE_OT_EditLinked,
WM_OT_ReturnToOriginal,
VIEW3D_PT_PanelLinkedEdit,
NODE_PT_PanelLinkedEdit,
TOPBAR_MT_edit_linked_submenu
)
def register():
bpy.app.handlers.load_post.append(linked_file_check)
for c in classes:
bpy.utils.register_class(c)
bpy.types.Scene.use_autosave = bpy.props.BoolProperty(
name="Autosave",
description="Save the current file before opening a linked file",
default=True)
bpy.types.Scene.use_instance = bpy.props.BoolProperty(
name="New Blender Instance",
description="Open in a new Blender instance",
default=False)
# add the function to the file menu
bpy.types.TOPBAR_MT_file_external_data.append(TOPBAR_MT_edit_linked_submenu.draw)
def unregister():
bpy.app.handlers.load_post.remove(linked_file_check)
bpy.types.TOPBAR_MT_file_external_data.remove(TOPBAR_MT_edit_linked_submenu)
del bpy.types.Scene.use_autosave
del bpy.types.Scene.use_instance
for c in reversed(classes):
bpy.utils.unregister_class(c)
if __name__ == "__main__":
register()