Ticket #24355: 24355.diff

wp-includes/js/media-views.js

@@ -2428 +2428 @@
                                 var requires = button.options.requires,
                                         disabled = false;
 
-                                // Prevent insertion of attachments if any of them are still uploading
                                 disabled = _.some( selection.models, function( attachment ) {
-                                        return attachment.get('uploading') === true;
+
+                                        // Prevent insertion of attachments if any of them are still uploading.
+                                        if ( attachment.get('uploading') === true )
+                                                return true;
+
+                                        // Prevent insertion of file types that do not match the library's current filter.
+                                        if ( library.props.get('type') && attachment.get('type') !== library.props.get('type') )
+                                                return true;
+
+                                        return false;
                                 });
 
                                 if ( requires.selection && selection && ! selection.length )