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Merge pull request #4986 from nortikin/fix_4352_SvOB3BDataCollection_…
…should_be_registered_only_once Fix 4352. SvOB3BDataCollection should be registered only once
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| # ##### 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 ##### | ||
|
|
||
| import ast | ||
| import traceback | ||
|
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| import bpy | ||
| from bpy.props import StringProperty, BoolProperty, IntProperty, FloatProperty, FloatVectorProperty | ||
| from bpy.types import bpy_prop_array | ||
| import mathutils | ||
| from mathutils import Matrix, Vector, Euler, Quaternion, Color | ||
|
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| from sverchok.node_tree import SverchCustomTreeNode | ||
| from sverchok.data_structure import Matrix_generate, updateNode, node_id | ||
| from sverchok.old_nodes.getprop import assign_data, get_object, apply_alias, parse_to_path, secondary_type_assesment, types | ||
|
|
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| class SvSetPropNode(SverchCustomTreeNode, bpy.types.Node): | ||
| ''' Set Property ''' | ||
| bl_idname = 'SvSetPropNode' | ||
| bl_label = 'Set Property' | ||
| bl_icon = 'FORCE_VORTEX' | ||
| sv_icon = 'SV_PROP_SET' | ||
|
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| ok_prop: BoolProperty(default=False) | ||
| bad_prop: BoolProperty(default=False) | ||
|
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|
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| @property | ||
| def obj(self): | ||
| eval_str = apply_alias(self.prop_name) | ||
| ast_path = ast.parse(eval_str) | ||
| path = parse_to_path(ast_path.body[0].value) | ||
| return get_object(path) | ||
|
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| def verify_prop(self, context): | ||
|
|
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| # test first | ||
| try: | ||
| obj = self.obj | ||
| except: | ||
| traceback.print_exc() | ||
| self.bad_prop = True | ||
| return | ||
|
|
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| # execute second | ||
| self.bad_prop = False | ||
|
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| s_type = types.get(type(self.obj)) | ||
| if not s_type: | ||
| s_type = secondary_type_assesment(self.obj) | ||
|
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| p_name = { | ||
| float: "float_prop", | ||
| int: "int_prop", | ||
| bpy_prop_array: "color_prop" | ||
| }.get(type(self.obj),"") | ||
|
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| inputs = self.inputs | ||
|
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| if inputs and s_type: | ||
| socket = inputs[0].replace_socket(s_type) | ||
| socket.prop_name = p_name | ||
| elif s_type: | ||
| inputs.new(s_type, "Data").prop_name = p_name | ||
| if s_type == "SvVerticesSocket": | ||
| inputs[0].use_prop = True | ||
|
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| updateNode(self, context) | ||
|
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| def local_updateNode(self, context): | ||
| # no further interaction with the nodetree is required. | ||
| self.process() | ||
|
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| prop_name: StringProperty(name='', update=verify_prop) | ||
| float_prop: FloatProperty(update=updateNode, name="x") | ||
| int_prop: IntProperty(update=updateNode, name="x") | ||
| color_prop: FloatVectorProperty( | ||
| name="Color", description="Color", size=4, | ||
| min=0.0, max=1.0, subtype='COLOR', update=local_updateNode) | ||
|
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| def draw_buttons(self, context, layout): | ||
| layout.alert = self.bad_prop | ||
| layout.prop(self, "prop_name", text="") | ||
|
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| def process(self): | ||
| # print("<< Set process is called") | ||
| data = self.inputs[0].sv_get() | ||
| eval_str = apply_alias(self.prop_name) | ||
| ast_path = ast.parse(eval_str) | ||
| path = parse_to_path(ast_path.body[0].value) | ||
| obj = get_object(path) | ||
|
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| if isinstance(obj, (int, float, bpy_prop_array)): | ||
| obj = get_object(path[:-1]) | ||
| p_type, value = path[-1] | ||
| if p_type == "attr": | ||
| setattr(obj, value, data[0][0]) | ||
| else: | ||
| obj[value] = data[0][0] | ||
| else: | ||
| assign_data(obj, data) | ||
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| def register(): | ||
| bpy.utils.register_class(SvSetPropNode) | ||
|
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| def unregister(): | ||
| bpy.utils.unregister_class(SvSetPropNode) |