(function ($) {
"use strict";
$(function () {
var button = $('.upload-image'),
button.click(function (e) {
e.preventDefault();
// If the media frame already exists, reopen it.
if (file_frame) {
file_frame.open();
return;
}
var btn = $(this),
media = wp.media;
// Create the media frame.
var file_frame = media.frames.file_frame = media({
title: jQuery(this).data('uploader_title'),
button: {
text: jQuery(this).data('uploader_button_text')
},
library: {
type: 'image'
},
multiple: false
});
// Finally, open the modal
file_frame.open();
var selection = media.frame.state().get('selection');
// The sidebar boxes get deleted and recreated on each select - hack into this to do the same.
selection.on( 'selection:single', function ( event ) {
console.log('selection:single');
} );
selection.on( 'selection:unsingle', function ( event ) {
console.log('selection:unsingle');
} );
});
});
}(jQuery));
NOTICE: "selection:unsingle" event will fire up twice