203 lines
7.5 KiB
Python
203 lines
7.5 KiB
Python
# ***************************************************************************
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# * *
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# * Copyright (c) 2022 Yorik van Havre <yorik@uncreated.net> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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#* You should have received a copy of the GNU Library General Public *
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#* License along with this program; if not, write to the Free Software *
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#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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#* USA *
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# * *
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# ***************************************************************************
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"""Document observer to act on documents containing NativeIFC objects"""
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import os
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import FreeCAD
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params = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/NativeIFC")
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def add_observer():
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"""Adds an observer to the running FreeCAD instance"""
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FreeCAD.BIMobserver = ifc_observer()
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FreeCAD.addDocumentObserver(FreeCAD.BIMobserver)
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def remove_observer():
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"""Removes this observer if present"""
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if hasattr(FreeCAD, "BIMobserver"):
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FreeCAD.removeDocumentObserver(FreeCAD.BIMobserver)
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del FreeCAD.BIMobserver
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class ifc_observer:
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"""A general document observer that handles IFC objects"""
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def __init__(self):
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# if there is a document open when the observer starts,
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# check it
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if FreeCAD.ActiveDocument:
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self.slotActivateDocument(FreeCAD.ActiveDocument)
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def slotStartSaveDocument(self, doc, value):
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"""Save all IFC documents in this doc"""
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from PySide import QtCore # lazy loading
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self.docname = doc.Name
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# delay execution to not get caught under the wait sursor
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# that occurs when the saveAs file dialog is shown
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# TODO find a more solid way
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QtCore.QTimer.singleShot(100, self.save)
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def slotDeletedObject(self, obj):
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"""Deletes the corresponding object in the IFC document"""
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from nativeifc import ifc_tools # lazy loading
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proj = ifc_tools.get_project(obj)
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if not proj:
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return
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if not hasattr(obj, "Proxy"):
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return
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if getattr(obj.Proxy, "nodelete", False):
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return
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ifc_tools.remove_ifc_element(obj)
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def slotChangedDocument(self, doc, prop):
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"""Watch document IFC properties"""
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from nativeifc import ifc_tools # lazy import
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from nativeifc import ifc_status
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if prop == "Schema" and "IfcFilePath" in doc.PropertiesList:
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schema = doc.Schema
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ifcfile = ifc_tools.get_ifcfile(doc)
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if ifcfile:
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if schema != ifcfile.wrapped_data.schema_name():
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# TODO display warming
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ifcfile, migration_table = ifc_tools.migrate_schema(ifcfile, schema)
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doc.Proxy.ifcfile = ifcfile
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# migrate children
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for old_id, new_id in migration_table.items():
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child = [
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o
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for o in doc.Objects
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if getattr(o, "StepId", None) == old_id
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]
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if len(child) == 1:
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child[0].StepId = new_id
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def slotCreatedObject(self, obj):
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"""If this is an IFC document, turn the object into IFC"""
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doc = getattr(obj, "Document", None)
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if doc:
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if hasattr(doc, "IfcFilePath"):
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from PySide import QtCore # lazy loading
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self.objname = obj.Name
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self.docname = obj.Document.Name
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# delaying to make sure all other properties are set
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QtCore.QTimer.singleShot(100, self.convert)
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def slotActivateDocument(self, doc):
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"""Check if we need to lock"""
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from nativeifc import ifc_status
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ifc_status.on_activate()
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# implementation methods
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def fit_all(self):
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"""Fits the view"""
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if FreeCAD.GuiUp:
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import FreeCADGui
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FreeCADGui.SendMsgToActiveView("ViewFit")
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def save(self):
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"""Saves all IFC documents contained in self.docname Document"""
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if not hasattr(self, "docname"):
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return
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if self.docname not in FreeCAD.listDocuments():
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return
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doc = FreeCAD.getDocument(self.docname)
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del self.docname
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projects = []
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if hasattr(doc, "IfcFilePath") and hasattr(doc, "Modified"):
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if doc.Modified:
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projects.append(doc)
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else:
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for obj in doc.findObjects(Type="Part::FeaturePython"):
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if hasattr(obj, "IfcFilePath") and hasattr(obj, "Modified"):
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if obj.Modified:
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projects.append(obj)
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if projects:
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from nativeifc import ifc_tools # lazy loading
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from nativeifc import ifc_viewproviders
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ask = params.GetBool("AskBeforeSaving", True)
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if ask and FreeCAD.GuiUp:
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import Arch_rc
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import FreeCADGui
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dlg = FreeCADGui.PySideUic.loadUi(":/ui/dialogExport.ui")
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result = dlg.exec_()
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if not result:
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return
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ask = dlg.checkAskBeforeSaving.isChecked()
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params.SetBool("AskBeforeSaving", ask)
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for project in projects:
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if getattr(project.Proxy, "ifcfile", None):
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if project.IfcFilePath:
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ifc_tools.save(project)
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else:
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ifc_viewproviders.get_filepath(project)
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ifc_tools.save(project)
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def convert(self):
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"""Converts an object to IFC"""
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if not hasattr(self, "objname") or not hasattr(self, "docname"):
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return
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if self.docname not in FreeCAD.listDocuments():
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return
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doc = FreeCAD.getDocument(self.docname)
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if not doc:
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return
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obj = doc.getObject(self.objname)
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if not obj:
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return
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if "StepId" in obj.PropertiesList:
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return
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del self.docname
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del self.objname
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if obj.isDerivedFrom("Part::Feature") or "IfcType" in obj.PropertiesList:
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FreeCAD.Console.PrintLog("Converting" + obj.Label + "to IFC\n")
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from nativeifc import ifc_geometry # lazy loading
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from nativeifc import ifc_tools # lazy loading
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newobj = ifc_tools.aggregate(obj, doc)
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ifc_geometry.add_geom_properties(newobj)
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doc.recompute()
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