[wp-trac] [WordPress Trac] #20855: Don't show Upload button until file has been selected.

[WordPress Trac]

#20855: Don't show Upload button until file has been selected.
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 Reporter:  jane              |       Owner:  kovshenin
     Type:  task (blessed)    |      Status:  reopened
 Priority:  normal            |   Milestone:  3.5
Component:  UI                |     Version:  3.4
 Severity:  minor             |  Resolution:
 Keywords:  has-patch commit  |
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Comment (by SergeyBiryukov):

 [attachment: 20855.11.diff] is an attempt to use
 `button.prev('input[type="file"]')` to get the closest input element.
 Doesn't work for `wp_import_upload_form()` though.

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Ticket URL: <http://core.trac.wordpress.org/ticket/20855#comment:35>
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