[wp-trac] [WordPress Trac] #25408: Ability to specify that a list table column is "primary"

[WordPress Trac]

#25408: Ability to specify that a list table column is "primary"
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 Reporter:  helen           |      Owner:
     Type:  enhancement     |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Administration  |    Version:
 Severity:  normal          |   Keywords:
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 List tables have a "primary" column of sorts; that is, the one with the
 row actions. We should be able to specify which column is the primary one
 via API, apply an appropriate class, and display the row actions in cells
 in that column. Currently, developers customizing the list table columns
 often need to re-create row actions if they do not use the post name
 column, or just live with the row actions appearing in a less sensible
 spot.

 This thought stems from three things in particular:

 1. The above customization example.
 2. Old experiments (nearly exactly 2 years ago) in making list tables
 responsive: http://cl.ly/3F1L0N3z1M0F0Z3t0X3W in #18198.
 3. The assortment of selectors in [25595] that are not particularly robust
 and not easily reused by developers. We should be able to target something
 like `.has-row-actions` instead.

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Ticket URL: <http://core.trac.wordpress.org/ticket/25408>
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