Forces only images uploaded to the post to be available for Featured Images

authors-enforce-uploaded.js

(function($){
	if ( ! window.wp || ! wp.media ) {
		return;
	}
	
	wp.media.view.AttachmentsBrowser = wp.media.view.AttachmentsBrowser.extend({
		createUploader: function(){
			this.$el.remove( '.uploader-inline' ).append( '<div class="uploader-inline"><h3>No Items Found.</h3></div>' );
		}
	});

	$(function(){

		wp.media.featuredImage.frame().on( 'open', function(){
			$el = wp.media.featuredImage.frame().$el;

			limit_to_uploaded_only( $el );
		});

		var workflow = wp.media.editor.get( 'content' );

		if ( ! workflow )
			workflow = wp.media.editor.add( 'content' );

		workflow.on( 'open', function(){
			limit_to_uploaded_only( workflow.$el );
		});

		workflow.state().on( 'activate', function(){
			limit_to_uploaded_only( workflow.$el );
		});
		
		function limit_to_uploaded_only( $el ) {
			var upload_tab = $el.find( '.media-router .media-menu-item:eq(0)' );

			// If upload tab hasn't been removed already, remove it
			if ( ! upload_tab.hasClass( 'removed') ) {
				upload_tab
					.css( { display: 'none' } )
					.addClass( 'removed' );
			}

			$el.find( 'select.attachment-filters option[value!="uploaded"]' ).remove();
			$el.find( 'select.attachment-filters').val( 'uploaded' ).trigger( 'change' );

			// Remove the inline uploader, if present
			if ( $el.find( '.attachments .attachment' ).size() ) {
				$el.find( '.attachments-browser' ).remove( '.uploader-inline' ).append( '<div class="uploader-inline"><h3>No Items Found.</h3></div>' );
			}
		}
	});
})(jQuery);