gp_toolbox/OP_palettes_linker.py

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import bpy
import re
import json
import os
from bpy_extras.io_utils import ImportHelper, ExportHelper
from pathlib import Path
from . import utils
# from . import blendfile
from bpy.types import (
Panel,
Operator,
PropertyGroup,
UIList,
)
from bpy.props import (
IntProperty,
BoolProperty,
StringProperty,
FloatProperty,
EnumProperty,
PointerProperty,
)
class GPTB_UL_blend_list(UIList):
# order_by_distance : BoolProperty(default=True)
def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
layout.label(text=item.blend_name)
def draw_filter(self, context, layout):
row = layout.row()
subrow = row.row(align=True)
subrow.prop(self, "filter_name", text="") # Only show items matching this name (use * as wildcard)
# reverse order
icon = 'SORT_DESC' if self.use_filter_sort_reverse else 'SORT_ASC'
subrow.prop(self, "use_filter_sort_reverse", text="", icon=icon) # built-in reverse
def filter_items(self, context, data, propname):
# example : https://docs.blender.org/api/blender_python_api_current/bpy.types.UIList.html
# This function gets the collection property (as the usual tuple (data, propname)), and must return two lists:
# * The first one is for filtering, it must contain 32bit integers were self.bitflag_filter_item marks the
# matching item as filtered (i.e. to be shown), and 31 other bits are free for custom needs. Here we use the
# * The second one is for reordering, it must return a list containing the new indices of the items (which
# gives us a mapping org_idx -> new_idx).
# Please note that the default UI_UL_list defines helper functions for common tasks (see its doc for more info).
# If you do not make filtering and/or ordering, return empty list(s) (this will be more efficient than
# returning full lists doing nothing!).
collec = getattr(data, propname)
helper_funcs = bpy.types.UI_UL_list
# Default return values.
flt_flags = []
flt_neworder = []
# Filtering by name #not working damn !
if self.filter_name:
flt_flags = helper_funcs.filter_items_by_name(self.filter_name, self.bitflag_filter_item, collec, "name",
reverse=self.use_filter_sort_reverse)#self.use_filter_name_reverse)
return flt_flags, flt_neworder
class GPTB_UL_object_list(UIList):
# order_by_distance : BoolProperty(default=True)
def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
layout.label(text=item.name)
def draw_filter(self, context, layout):
row = layout.row()
subrow = row.row(align=True)
subrow.prop(self, "filter_name", text="") # Only show items matching this name (use * as wildcard)
# reverse order
icon = 'SORT_DESC' if self.use_filter_sort_reverse else 'SORT_ASC'
subrow.prop(self, "use_filter_sort_reverse", text="", icon=icon) # built-in reverse
def filter_items(self, context, data, propname):
collec = getattr(data, propname)
helper_funcs = bpy.types.UI_UL_list
# Default return values.
flt_flags = []
flt_neworder = []
if self.filter_name:
flt_flags = helper_funcs.filter_items_by_name(self.filter_name, self.bitflag_filter_item, collec, "name",
reverse=self.use_filter_sort_reverse)
return flt_flags, flt_neworder
def reload_blends(self, context):
scn = context.scene
pl_prop = scn.bl_palettes_props
uilist = scn.bl_palettes_props.blends
uilist.clear()
pl_prop['bl_idx'] = 0
prefs = utils.get_addon_prefs()
if pl_prop.use_project_path:
palette_fp = prefs.palette_path
else:
palette_fp = pl_prop.custom_dir
if not palette_fp: # singular
item = uilist.add()
item.blend_name = 'No Palette Path Specified'
reload_objects(self, context)
return
palettes_dir = Path(palette_fp)
if not palettes_dir.exists():
item = uilist.add()
item.blend_name = 'Palette Path not found'
reload_objects(self, context)
return
blends = [(o.path, Path(o).stem, "") for o in os.scandir(palettes_dir)
if o.is_file()
and o.name.endswith('.blend')
and re.search(r'v\d{3}', o.name, re.I)]
blends.sort(key=lambda x: x[1], reverse=False)
# print('blends found', len(blends))
for bl in blends: # populate list
item = uilist.add()
scn.bl_palettes_props['bl_idx'] = len(uilist) - 1 # don't trigger updates
item.blend_path = bl[0]
item.blend_name = bl[1]
scn.bl_palettes_props.bl_idx = len(uilist) - 1 # trigger update ()
# reload_objects(self, context) # triggered by above assignation
# return len(blends) # return value must be None
class GPTB_OT_palettes_reload_blends(Operator):
bl_idname = "gp.palettes_reload_blends"
bl_label = "Reload Palette Blends"
bl_description = "Reload the blends in UI list of palettes linker"
bl_options = {"REGISTER"} # , "INTERNAL"
def execute(self, context):
reload_blends(self, context)
# ret = reload_blends(self, context)
# if ret is None:
# self.report({'ERROR'}, 'No blend scanned, check palette path')
# else:
# self.report({'INFO'}, f'{ret} blends found')
return {"FINISHED"}
def reload_objects(self, context):
scn = context.scene
prefs = utils.get_addon_prefs()
pal_prop = scn.bl_palettes_props
blend_uil = pal_prop.blends
obj_uil = pal_prop.objects
obj_uil.clear()
pal_prop['ob_idx'] = 0
if not len(blend_uil) or (len(blend_uil) == 1 and not bool(blend_uil[0].blend_path)):
item = obj_uil.add()
item.name = 'No blend to list object'
return
if not blend_uil[pal_prop.bl_idx].blend_path:
item = obj_uil.add()
item.name = 'Selected blend has no path'
return
path_to_blend = Path(blend_uil[pal_prop.bl_idx].blend_path)
ob_list = utils.check_objects_in_blend(str(path_to_blend)) # get list of string of all object except camera
ob_list.sort(reverse=False) # filter object by name ?
# remove camera
# print('blends found', len(blends))
for ob_name in ob_list: # populate list
item = obj_uil.add()
item.name = ob_name
item.path = str(path_to_blend / 'Object' / ob_name)
pal_prop.ob_idx = len(obj_uil) - 1
# return len(ob_list) # must return None if used in update
## PROPS
class GPTB_PG_blend_prop(PropertyGroup):
blend_name : StringProperty() # stem of the path
blend_path : StringProperty() # ful path
# select: BoolProperty(update=update_select) # use and update to set the plane selection
class GPTB_PG_object_prop(PropertyGroup):
name : StringProperty() # stem of the path
path : StringProperty() # Object / Material ?
class GPTB_PG_palette_settings(PropertyGroup):
bl_idx : IntProperty(update=reload_objects) # update_on_index_change to reload object
blends : bpy.props.CollectionProperty(type=GPTB_PG_blend_prop)
ob_idx : IntProperty()
objects : bpy.props.CollectionProperty(type=GPTB_PG_object_prop)
use_project_path : BoolProperty(name='Use Project Palettes',
default=True, description='Use palettes directory specified in gp toolbox addon preferences',
update=reload_blends)
show_path : BoolProperty(name='Show path',
default=True, description='Show Palette directoty filepath')
custom_dir : StringProperty(name='Custom Palettes Directory', subtype='DIR_PATH',
description='Use choosen directory to load blend palettes',
update=reload_blends)
import_type : EnumProperty(
name="Import Type", description="Choose inmport type: link, append, append reuse (keep existing materials)",
default='LINK', options={'ANIMATABLE'}, update=None, get=None, set=None,
items=(
('LINK', 'Link', 'Link materials to selected object', 0),
('APPEND', 'Append', 'Append materials to selected objects', 1),
('APPEND_REUSE', 'Append (Reuse)', 'Append materials to selected objects\nkeep those already there', 2),
)
)
# fav_blend: StringProperty() ## mark a blend as prefered ? (need to be stored in prefereneces to restore in other blend...)
class GPTB_OT_import_obj_palette(Operator):
bl_idname = "gp.import_obj_palette"
bl_label = "Import Object Palette"
bl_description = "Import object palette from blend"
bl_options = {"REGISTER", "INTERNAL"}
def execute(self, context):
pl_prop = context.scene.bl_palettes_props
path = pl_prop.objects[pl_prop.ob_idx].path
self.report({'INFO'}, f'Path to object: {path}')
return {"FINISHED"}
## PANEL
class GPTB_PT_palettes_linker_ui(Panel):
bl_idname = 'GPTB_PT_palettes_linker_ui'
bl_space_type = "VIEW_3D"
bl_region_type = "UI"
bl_category = "Gpencil"#Dev
bl_label = "Palettes Mat Linker"
def draw(self, context):
layout = self.layout
scn = bpy.context.scene
pl_prop = scn.bl_palettes_props
col= layout.column()
prefs = utils.get_addon_prefs()
## Here put the path thing (only to use a non-library)
# maybe in submenu...
row = col.row()
expand_icon = 'TRIA_DOWN' if pl_prop.show_path else 'TRIA_RIGHT'
row.prop(pl_prop, 'show_path', text='', icon=expand_icon, emboss=False)
row.prop(pl_prop, 'use_project_path', text='Use Project Palettes')
row.operator("gp.palettes_reload_blends", icon="FILE_REFRESH", text="")
if pl_prop.use_project_path:
## gp toolbox addon prefs path
if not prefs.palette_path:
col.label(text='Gp Toolbox Palette Directory Needed')
col.label(text='(saved with preferences)')
if pl_prop.show_path or not prefs.palette_path:
col.prop(prefs, 'palette_path', text='Project Dir')
else:
## local path
if not pl_prop.custom_dir:
col.label(text='Need to specify directory')
if pl_prop.show_path or not pl_prop.custom_dir:
col.prop(pl_prop, 'custom_dir', text='Custom Dir')
row = col.row()
row.template_list("GPTB_UL_blend_list", "", pl_prop, "blends", pl_prop, "bl_idx",
rows=2)
# side panel
# subcol = row.column(align=True)
# subcol.operator("gp.palettes_reload_blends", icon="FILE_REFRESH", text="")
## Show object UI list only once blend Uilist is filled ?
if not len(pl_prop.blends) or (len(pl_prop.blends) == 1 and not bool(pl_prop.blends[0].blend_path)):
col.label(text='Select a blend to list available object')
row = col.row()
row.template_list("GPTB_UL_object_list", "", pl_prop, "objects", pl_prop, "ob_idx",
rows=4)
## Show link button in the border of the UI list ?
# col.prop(pl_prop, 'import_type')
split = col.split(align=True, factor=0.4 )
split.prop(pl_prop, 'import_type', text='')
split.enabled = len(pl_prop.objects) and bool(pl_prop.objects[pl_prop.ob_idx].path)
split.operator('gp.import_obj_palette', text='Palette')
# button to launch link with combined props (active only if the two items are valids)
# str(Path(self.blends) / 'Object' / self.objects
classes = (
# blend list
GPTB_PG_blend_prop,
GPTB_UL_blend_list,
GPTB_OT_palettes_reload_blends,
# object in blend list
GPTB_PG_object_prop,
GPTB_UL_object_list,
# prop containing two above
GPTB_PG_palette_settings,
GPTB_OT_import_obj_palette,
GPTB_PT_palettes_linker_ui,
)
def register():
for cls in classes:
bpy.utils.register_class(cls)
bpy.types.Scene.bl_palettes_props = bpy.props.PointerProperty(type=GPTB_PG_palette_settings)
def unregister():
for cls in reversed(classes):
bpy.utils.unregister_class(cls)
del bpy.types.Scene.bl_palettes_props