Featured image dialog box has "From URL" tab (which doesn't apply/work)

[Viper007Bond]

When you click "Set featured image", the "From URL" tab is there. While it'd be cool to be able to specify a URL for a featured image, that's not currently possible so the tab should be removed for the featured image dialog box.

Props Rok from Zemanta for the report.

Removing mistaken milestone.

Happens in 3.2 as well, possibly even further back.

We have implemented setting featured images from our widget by uploading the image through ajax on our WP plugin. Would be great to have this support in WP so we could use it from our browser extension too, and people could use the URL upload!
Let us know if we can contribute anything!

This is a good idea but to do it easily we need to start passing some form of this iframe is being displayed in context and then make it available in the filters.

This would make it easier for other plugins to disable tabs too - at the moment they have to use the media_upload_tabs filter and lame hacks based on referrers/extra query string arguments they hack into the url.

We should add a "context" arg to get_upload_iframe_src to support this which could then be passed to the media_upload_tabs filter.

Related: #18708 (has a patch for get_upload_iframe_src() context), #20632

Related forum post: ​http://wordpress.org/support/topic/set-featured-image-via-url?replies=3

19396.patch​ passes the context in the same way as custom-header.php, without introducing a new parameter for get_upload_iframe_src().

Or should we go with a new parameter and review our current uses of get_upload_iframe_src()?

Going to close this as a duplicate of #18708 (since the patches overlap more and more).