File size: 3,926 Bytes
985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | # SPDX-License-Identifier: LGPL-2.1-or-later
# ***************************************************************************
# * *
# * Copyright (c) 2023 Yorik van Havre <yorik@uncreated.net> *
# * *
# * This file is part of FreeCAD. *
# * *
# * FreeCAD is free software: you can redistribute it and/or modify it *
# * under the terms of the GNU Lesser General Public License as *
# * published by the Free Software Foundation, either version 2.1 of the *
# * License, or (at your option) any later version. *
# * *
# * FreeCAD 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 *
# * Lesser General Public License for more details. *
# * *
# * You should have received a copy of the GNU Lesser General Public *
# * License along with FreeCAD. If not, see *
# * <https://www.gnu.org/licenses/>. *
# * *
# ***************************************************************************
"""Diffing tool for NativeIFC project objects"""
import difflib
import ifcopenshell
import FreeCAD
import FreeCADGui
import Arch_rc
from . import ifc_tools
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 = []
return 1
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")
if not old:
return ""
ifcfile = ifc_tools.get_ifcfile(proj)
if not ifcfile:
return ""
new = 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 = "<html><body>\n"
if diff == 1:
html += (
translate(
"BIM",
"The IFC file is not saved. Save once"
" to have an existing IFC file to compare with."
" Then, run this command again.",
)
+ "<br/>\n"
)
elif diff:
diff = diff.split("\n")
for l in diff:
if l.startswith("+"):
html += "<span style='color:green;'>" + l[:100] + "</span><br/>\n"
elif l.startswith("-"):
html += "<span style='color:red;'>" + l[:100] + "</span><br/>\n"
else:
html += l + "<br/>\n"
else:
html += translate("BIM", "No changes to display.") + "<br/>\n"
html += "</body></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_()
|