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Edit File: set-post-thumbnail.js

/** * @output wp-admin/js/set-post-thumbnail.js */ /* global ajaxurl, post_id, alert */ /* exported WPSetAsThumbnail */ window.WPSetAsThumbnail = function( id, nonce ) { var $link = jQuery('a#wp-post-thumbnail-' + id); $link.text( wp.i18n.__( 'Saving…' ) ); jQuery.post(ajaxurl, { action: 'set-post-thumbnail', post_id: post_id, thumbnail_id: id, _ajax_nonce: nonce, cookie: encodeURIComponent( document.cookie ) }, function(str){ var win = window.dialogArguments || opener || parent || top; $link.text( wp.i18n.__( 'Use as featured image' ) ); if ( str == '0' ) { alert( wp.i18n.__( 'Could not set that as the thumbnail image. Try a different attachment.' ) ); } else { jQuery('a.wp-post-thumbnail').show(); $link.text( wp.i18n.__( 'Done' ) ); $link.fadeOut( 2000 ); win.WPSetThumbnailID(id); win.WPSetThumbnailHTML(str); } } ); };