https://bugzilla.wikimedia.org/show_bug.cgi?id=73300
Bug ID: 73300
Summary: Implement deferred switch to edit mode
Product: MediaWiki extensions
Version: master
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: WikidataRepo
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Web browser: ---
Mobile Platform: ---
Due to the amount of widgets involved, toggling edit mode has quite a big
performance footprint. While bug #73221 will resolve quite some loops through
the infrastructure, still, it would not be a good idea to switch to section
edit mode for statemtents without having a mechanism that ensures toggling edit
mode only for necessary components.
A practical solution might be to apply some smartness to $.wikibase.*listview
widgets regarding the management of their sub-widgets' edit mode: When starting
a *listview widget's edit mode, all sub-widgets touching the viewport are
switched to edit mode while those out of the viewport remain in non-edit mode
until they become visible in the viewport.
In combination with the sticky toolbars, the mechanism should resolve the
performance pitfall of initializing components that are not (and probably will
not even become) visible.
This pitfall does currently exist for the site links section. Unless there are
no other options for solving the performance issue when toggling edit mode, the
mechanism should be implemented an tested on the site links section before
implementing section edit mode on statements.
Side note:
In the new UI, not all statements and site links will/should be visible when
loading a page ("more" links). These invisible components would not need to be
initialized before toggling their visibility anyway. However, that does not
solve the general issue. In fact, both mechanisms should combine easily.
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