[wp-trac] [WordPress Trac] #20770: Introduce AJAX response message

[WordPress Trac]

#20770: Introduce AJAX response message
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 Reporter:  alexvorn2     |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Widgets       |    Version:
 Severity:  minor         |   Keywords:  needs-patch 2nd-opinion
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 when clicking on Save button of a widget, a error should appear if the
 user is logged out.

 So after clicking the button the wpspin animated images disappears and
 nothing happens. This can be a problem if the current user think he is
 logged in and he is not, the settings just will not be saved.

 Sometimes the server is not working.

 Need to adjust the javascript code and php:
 in php we can use die function : die('1') or die('success');

 in javascript something like this:
 $.post(ajaxurl, data, function(response){
    if (response === 'success') {} else { alert('Fail to save'); }
 });

 http://wpimpact.com/wp-content/uploads/2012/05/Untitled-4.png

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Ticket URL: <http://core.trac.wordpress.org/ticket/20770>
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