https://bugs.documentfoundation.org/show_bug.cgi?id=169617
Bug ID: 169617
Summary: FILESAVE PPTX SmartArt with link becomes invalid on
save
Product: LibreOffice
Version: 6.3.0.4 release
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: bibisected, bisected, implementationError
Severity: normal
Priority: medium
Component: filters and storage
Assignee: [email protected]
Reporter: [email protected]
Blocks: 106547, 139896
Created attachment 204207
--> https://bugs.documentfoundation.org/attachment.cgi?id=204207&action=edit
Sample PPTX
The attached PPTX file contains a simple SmartArt, with a link to another
slide, and an external one. Open and save it back to PPTX, then try opening it
in PowerPoint: it will fail.
The problem is 'ppt/diagrams/_rels/*.rels', or precisely, the lack of them, as
can be seen after unzipping the result PPTX. Inside eg.
'ppt/diagrams/data1.xml' the links are stored as follows:
- external
<a:hlinkClick
xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships";
r:id="rId1"/>
- internal
<a:hlinkClick
xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships";
r:id="rId2" action="ppaction://hlinksldjump"/>
These would need corresponding Relationship elements in
'ppt/diagrams/_rels/data1.xml.rels':
<Relationship Id="rId2"
Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide";
Target="../slides/slide2.xml"/>
<Relationship Id="rId1"
Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink";
Target="https://libreoffice.org/"; TargetMode="External"/>
There's something similar in 'ppt/diagrams/diagram1.xml' and
'ppt/diagrams/_rels/drawing1.xml.rels', but only the external relationship is
recorded there.
This originates from the following commit in 6.3, but it is an implementation
error, as SmartArt export used to be more basic:
https://git.libreoffice.org/core/commit/aafaf1f55fa413ad49d4556cf7c0a713dd206ae4
author Grzegorz Araminowicz <[email protected]>
Wed Mar 13 10:49:30 2019 +0100
committer Miklos Vajna <[email protected]> Mon Apr 08 10:07:35
2019 +0200
"PPTX export: save SmartArt as diagram instead of group of shapes"
A couple of other interesting commits:
https://git.libreoffice.org/core/commit/dba1f992d0757b9c353dd41d55dd89ecafd70603
author Grzegorz Araminowicz <[email protected]>
Fri Mar 08 12:45:24 2019 +0100
committer Miklos Vajna <[email protected]> Mon Mar 11 17:38:07
2019 +0100
"PPTX import: save SmartArt markup into InteropGrabBag"
https://git.libreoffice.org/core/commit/58278ea997b92d02177b6641794f49a4c7005130
author Grzegorz Araminowicz <[email protected]>
Fri Mar 15 23:50:13 2019 +0100
committer Miklos Vajna <[email protected]> Mon Mar 18 09:22:45
2019 +0100
"PPTX import: save also OOXDrawing in InteropGrabBag"
Perhaps what could be done here is saving hyperlink relationships into the grab
bags, and writing them back on export.
Referenced Bugs:
https://bugs.documentfoundation.org/show_bug.cgi?id=106547
[Bug 106547] [META] OOXML SmartArt bug tracker
https://bugs.documentfoundation.org/show_bug.cgi?id=139896
[Bug 139896] [META] PPTX Hyperlink issues
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