# *************************************************************************** # * * # * Copyright (c) 2023 Yorik van Havre * # * * # * This program is free software; you can redistribute it and/or modify * # * it under the terms of the GNU General Public License (GPL) * # * as published by the Free Software Foundation; either version 3 of * # * the License, or (at your option) any later version. * # * for detail see the LICENCE text file. * # * * # * 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 Library General Public * # * License along with this program; if not, write to the Free Software * # * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * # * USA * # * * # *************************************************************************** """Diffing tool for NativeIFC project objects""" import difflib import FreeCAD import FreeCADGui import ifcopenshell import Arch_rc translate = FreeCAD.Qt.translate def get_diff(proj): """Obtains a diff between the current version and the saved version of a project""" if not getattr(proj, "IfcFilePath", None): old = [] else: # cannot use open() here as it gives different encoding # than ifcopenshell and diff does not work f = ifcopenshell.open(proj.IfcFilePath) old = f.wrapped_data.to_string().split("\n") new = proj.Proxy.ifcfile.wrapped_data.to_string().split("\n") # diff = difflib.HtmlDiff().make_file(old,new) # UGLY res = [l for l in difflib.unified_diff(old, new, lineterm="")] res = [l for l in res if l.startswith("+") or l.startswith("-")] res = [l for l in res if not l.startswith("+++") and not l.startswith("---")] return "\n".join(res) def htmlize(diff): """Returns an HTML version of a diff list""" html = "\n" if diff: diff = diff.split("\n") for l in diff: if l.startswith("+"): html += "" + l[:100] + "
\n" elif l.startswith("-"): html += "" + l[:100] + "
\n" else: html += l + "
\n" else: html += translate("BIM", "No changes to display.") + "
\n" html += "" return html def show_diff(diff): """Shows a dialog showing the diff contents""" dlg = FreeCADGui.PySideUic.loadUi(":/ui/dialogDiff.ui") dlg.textEdit.setStyleSheet("background-color: white; color: black;") dlg.textEdit.setHtml(htmlize(diff)) result = dlg.exec_()