mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-20 04:04:00 +00:00
johltn
93 lines
3.7 KiB
Python
93 lines
3.7 KiB
Python
import bpy
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import ifcopenshell
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import ifcsverchok.helper
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from bpy.props import StringProperty
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from sverchok.node_tree import SverchCustomTreeNode
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from sverchok.data_structure import updateNode
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class SvIfcCreateEntity(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper.SvIfcCore):
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bl_idname = 'SvIfcCreateEntity'
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bl_label = 'IFC Create Entity'
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file: StringProperty(name='file', update=updateNode)
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ifc_class: StringProperty(name='ifc_class', update=updateNode)
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current_ifc_class: StringProperty(name='current_ifc_class')
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def sv_init(self, context):
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self.inputs.new('SvStringsSocket', 'file').prop_name = 'file'
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self.inputs.new('SvStringsSocket', 'ifc_class').prop_name = 'ifc_class'
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self.outputs.new('SvStringsSocket', 'file')
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self.outputs.new('SvStringsSocket', 'entity')
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def process(self):
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self.sv_input_names = ['file', 'ifc_class']
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ifc_class = self.inputs['ifc_class'].sv_get()[0][0]
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if ifc_class:
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file = self.inputs['file'].sv_get()[0][0]
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if file:
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schema_name = file.wrapped_data.schema
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else:
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schema_name = 'IFC4'
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self.schema = ifcopenshell.ifcopenshell_wrapper.schema_by_name(schema_name)
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self.entity_schema = self.schema.declaration_by_name(ifc_class)
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if ifc_class != self.current_ifc_class:
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self.generate_inputs(ifc_class)
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try:
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for i in range(0, len(self.inputs)):
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self.inputs[i].sv_get()
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except:
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# This occurs when a blender save file is reloaded
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self.generate_inputs(ifc_class)
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for i in range(0, self.entity_schema.attribute_count()):
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self.sv_input_names.append(self.entity_schema.attribute_by_index(i).name())
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super().process()
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def generate_inputs(self, ifc_class):
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while len(self.inputs) > 2:
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self.inputs.remove(self.inputs[-1])
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for i in range(0, self.entity_schema.attribute_count()):
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name = self.entity_schema.attribute_by_index(i).name()
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setattr(SvIfcCreateEntity, name, StringProperty(name=name))
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self.inputs.new('SvStringsSocket', name).prop_name = name
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self.current_ifc_class = ifc_class
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def process_ifc(self, file, ifc_class, *attributes):
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entity = file.create_entity(ifc_class)
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for i in range(0, len(entity)):
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try:
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value = attributes[i]
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if isinstance(value, str) and value == '':
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value = None
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except:
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value = None
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if value is None and entity.is_a('IfcRoot') and i==0:
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value = ifcopenshell.guid.new()
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if value is not None:
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value = self.cast_value(self.entity_schema.attribute_by_index(i), value)
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try:
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entity[i] = value
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except:
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raise Exception('The IFC class {} requires a valid value for {} - you provided {}'.format(
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ifc_class, entity.attribute_name(i), value))
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self.outputs['file'].sv_set([[file]])
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self.outputs['entity'].sv_set([[entity]])
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def cast_value(self, attribute, value):
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data_type = self.get_attribute_data_type(attribute.type_of_attribute())
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if data_type == 'integer':
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value = int(value)
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return value
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def get_attribute_data_type(self, data_type):
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if hasattr(data_type, 'declared_type'):
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return self.get_attribute_data_type(data_type.declared_type())
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return data_type
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def register():
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bpy.utils.register_class(SvIfcCreateEntity)
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def unregister():
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bpy.utils.unregister_class(SvIfcCreateEntity)
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