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# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
import bpy
from bpy.types import Menu, Panel, UIList
from rna_prop_ui import PropertyPanel
class DataButtonsPanel:
bl_space_type = 'PROPERTIES'
bl_region_type = 'WINDOW'
bl_context = "data"
@classmethod
def poll(cls, context):
engine = context.scene.render.engine
return hasattr(context, 'curves') and context.curves and (engine in cls.COMPAT_ENGINES)
class DATA_PT_context_curves(DataButtonsPanel, Panel):
bl_label = ""
bl_options = {'HIDE_HEADER'}
COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE', 'BLENDER_WORKBENCH'}
def draw(self, context):
layout = self.layout
ob = context.object
curves = context.curves
space = context.space_data
if ob:
layout.template_ID(ob, "data")
elif curves:
layout.template_ID(space, "pin_id")
class CURVES_MT_add_attribute(Menu):
bl_label = "Add Attribute"
@staticmethod
def add_standard_attribute(layout, curves, name, data_type, domain):
exists = curves.attributes.get(name) is not None
col = layout.column()
col.enabled = not exists
col.operator_context = 'EXEC_DEFAULT'
props = col.operator("geometry.attribute_add", text=name)
props.name = name
props.data_type = data_type
props.domain = domain
def draw(self, context):
layout = self.layout
curves = context.curves
self.add_standard_attribute(layout, curves, 'radius', 'FLOAT', 'POINT')
self.add_standard_attribute(layout, curves, 'color', 'FLOAT_COLOR', 'POINT')
layout.separator()
layout.operator_context = 'INVOKE_DEFAULT'
layout.operator("geometry.attribute_add", text="Custom...")
class CURVES_UL_attributes(UIList):
def draw_item(self, _context, layout, _data, attribute, _icon, _active_data, _active_propname, _index):
data_type = attribute.bl_rna.properties['data_type'].enum_items[attribute.data_type]
domain = attribute.bl_rna.properties['domain'].enum_items[attribute.domain]
split = layout.split(factor=0.5)
split.emboss = 'NONE'
row = split.row()
row.prop(attribute, "name", text="")
sub = split.split()
sub.alignment = 'RIGHT'
sub.active = False
sub.label(text=domain.name)
sub.label(text=data_type.name)
class DATA_PT_CURVES_attributes(DataButtonsPanel, Panel):
bl_label = "Attributes"
COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE', 'BLENDER_WORKBENCH'}
def draw(self, context):
curves = context.curves
layout = self.layout
row = layout.row()
col = row.column()
col.template_list(
"CURVES_UL_attributes",
"attributes",
curves,
"attributes",
curves.attributes,
"active_index",
rows=3,
)
col = row.column(align=True)
col.menu("CURVES_MT_add_attribute", icon='ADD', text="")
col.operator("geometry.attribute_remove", icon='REMOVE', text="")
class DATA_PT_custom_props_curves(DataButtonsPanel, PropertyPanel, Panel):
COMPAT_ENGINES = {'BLENDER_RENDER', 'BLENDER_EEVEE', 'BLENDER_WORKBENCH'}
_context_path = "object.data"
_property_type = bpy.types.Curves if hasattr(bpy.types, "Curves") else None
classes = (
DATA_PT_context_curves,
DATA_PT_CURVES_attributes,
DATA_PT_custom_props_curves,
CURVES_MT_add_attribute,
CURVES_UL_attributes,
)
if __name__ == "__main__": # only for live edit.
from bpy.utils import register_class
for cls in classes:
register_class(cls)
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