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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
import bpy
def rna_idprop_ui_get(item, create=True):
try:
return item['_RNA_UI']
except:
if create:
item['_RNA_UI'] = {}
return item['_RNA_UI']
else:
return None
def rna_idprop_ui_prop_get(item, prop, create=True):
rna_ui = rna_idprop_ui_get(item, create)
if rna_ui is None:
return None
try:
return rna_ui[prop]
except:
rna_ui[prop] = {}
return rna_ui[prop]
def rna_idprop_ui_prop_clear(item, prop):
rna_ui = rna_idprop_ui_get(item, False)
if rna_ui is None:
return
try:
del rna_ui[prop]
except:
pass
def rna_idprop_context_value(context, context_member, property_type):
space = context.space_data
if space is None or isinstance(space, bpy.types.SpaceProperties):
pin_id = space.pin_id
else:
pin_id = None
if pin_id and isinstance(pin_id, property_type):
rna_item = pin_id
context_member = "space_data.pin_id"
else:
rna_item = eval("context." + context_member)
return rna_item, context_member
def rna_idprop_has_properties(rna_item):
keys = rna_item.keys()
nbr_props = len(keys)
return (nbr_props > 1) or (nbr_props and '_RNA_UI' not in keys)
def draw(layout, context, context_member, property_type, use_edit=True):
def assign_props(prop, val, key):
prop.data_path = context_member
prop.property = key
try:
prop.value = str(val)
except:
pass
rna_item, context_member = rna_idprop_context_value(context, context_member, property_type)
# poll should really get this...
if not rna_item:
return
from bpy.utils import escape_identifier
if rna_item.id_data.library is not None:
use_edit = False
assert(isinstance(rna_item, property_type))
items = rna_item.items()
items.sort()
if use_edit:
row = layout.row()
props = row.operator("wm.properties_add", text="Add")
props.data_path = context_member
del row
rna_properties = {prop.identifier for prop in rna_item.bl_rna.properties if prop.is_runtime} if items else None
for key, val in items:
if key == '_RNA_UI':
continue
row = layout.row()
to_dict = getattr(val, "to_dict", None)
to_list = getattr(val, "to_list", None)
# val_orig = val # UNUSED
if to_dict:
val = to_dict()
val_draw = str(val)
elif to_list:
val = to_list()
val_draw = str(val)
else:
val_draw = val
box = row.box()
if use_edit:
split = box.split(percentage=0.75)
row = split.row()
else:
row = box.row()
row.label(text=key, translate=False)
# explicit exception for arrays
is_rna = (key in rna_properties)
if to_dict or to_list:
row.label(text=val_draw, translate=False)
else:
if is_rna:
row.prop(rna_item, key, text="")
else:
row.prop(rna_item, '["%s"]' % escape_identifier(key), text="")
if use_edit:
row = split.row(align=True)
if not is_rna:
props = row.operator("wm.properties_edit", text="Edit")
assign_props(props, val_draw, key)
else:
row.label(text="API Defined")
props = row.operator("wm.properties_remove", text="", icon='ZOOMOUT')
assign_props(props, val_draw, key)
class PropertyPanel():
"""
The subclass should have its own poll function
and the variable '_context_path' MUST be set.
"""
bl_label = "Custom Properties"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
rna_item, context_member = rna_idprop_context_value(context, cls._context_path, cls._property_type)
return bool(rna_item)
"""
def draw_header(self, context):
rna_item, context_member = rna_idprop_context_value(context, self._context_path, self._property_type)
tot = len(rna_item.keys())
if tot:
self.layout().label("%d:" % tot)
"""
def draw(self, context):
draw(self.layout, context, self._context_path, self._property_type)
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