https://bugs.kde.org/show_bug.cgi?id=447713
Bug ID: 447713
Summary: Tag Tree allows breaking of tag hierarchy even when
"Toggle-Auto - Parents" is on
Product: digikam
Version: 7.4.0
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Tags-Keywords
Assignee: digikam-bugs-n...@kde.org
Reporter: s...@inbox.lv
Target Milestone: ---
SUMMARY
***
Current Tag Tree allows breaking of tag hierarchy even when "Toggle-Auto -
Parents" is on.
if digiKam breaks tag hierarchy, then a sub-tag can be assigned to an image
without its parents. Then any software that reads metadata from file will
create a duplicate of the same tag outside its normal hierarchical tree. If the
sub-tag is not unique, breaking of hierarchy can lead to data loss as without
the context of the parent tags the sub-tag alone may be hard to distinguish.
***
STEPS TO REPRODUCE
1. You need any 2 tags (A & B) with a common parent (C) in the Tag Tree (right
side panel "Metadata" => "Tags")
2. "Toggle-Auto - Parents" must be on (this option is already a must to avoid
corruption of tag hierarchy as used in Microsoft programs such as OneDrive or
WLPG)
3. Assign Tag "A". ==> digiKam will also correctly activate Tag "C".
4. Assign Tag "B". ==> now the tags "A", "B" and "C" are all correctly
selected.
5. De-select Tag "A". ==>
OBSERVED RESULT
5. digiKam automatically de-selects the common Tag "C" and therefore breaks
tag-hierarchy for the Tag "B"
EXPECTED RESULT
5. the common Tag "C" must remain selected because there still is Tag "B"
which needs "A" as a parent.
SOFTWARE/OS VERSIONS
Windows: 10
ADDITIONAL INFORMATION
https://userbase.kde.org/Digikam/Tutorials/Setup_of_digiKam_for_Windows_compatibility#Step_1_-_Enforce_Tag_Hierarchy
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