[wp-trac] [WordPress Trac] #29288: Settings updated within the Customizer Preview are not synced up to main app Panel

[WordPress Trac]

#29288: Settings updated within the Customizer Preview are not synced up to main
app Panel
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 Reporter:  westonruter  |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  low          |  Milestone:  Awaiting Review
Component:  Customize    |    Version:  3.4
 Severity:  normal       |   Keywords:  needs-patch
  Focuses:  javascript   |
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 The Customizer has two copies of models for the registered settings: one
 set in in the Customizer panel parent frame, and changes to these result
 in the settings getting copied over to the preview either via postMessage
 or via a refreshing the preview entirely. Updating a setting model from
 within preview directly, however, does not propagate up to the model.
 There is currently a one-way-sync from the panel to the preview.

 As a workaround, the preview can send messages to the panel for which
 handlers can apply the updates to the settings, but it would be good if
 this was automatic.

 By implementing a bi-directional syncing of settings between the panel and
 preview, there would be lots of opportunities for inline front-end editor
 controls to more easily be added into the preview directly.

 See also https://twitter.com/bradyvercher/status/502163462990995456

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Ticket URL: <https://core.trac.wordpress.org/ticket/29288>
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