The admin lists of entity tabs currently have JS draggability turned off, because the core JS script for this doesn't account for locked rows, which we have because we can't change the weight of tabs that aren't provided by entity tab entities.
Rows that can't change their weight need to be taken into consideration in several ways:
- the script reassigns the weights of all rows when they are rearranged, and produces different values for the lowest weight (I imagine there's a rule for determining this, but I've not looked at the code enough). If some rows have locked weights, then these apply a constraint to where to anchor the range of weights. Eg, if you start with one normal row, then one locked row at weight 1, then your first row MUST be at weight 0 or less.
- because weights are integers, two or more locked rows restrict how many fluid rows can go between them. Eg if you have locked rows with weights 1, 2, 5, then nothing can go between the 1 and the 2, and at most two rows between the 2 and the 5.
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1.0
User interface
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
There's a core patch for this at ✨ Support disabled/locked items in tabledrag Needs work !
Ran into this today, the workaround was to disable the drag UI and just edit the weights manually.