Ticket #33404: 33404.diff

src/wp-admin/js/customize-nav-menus.js

@@ -267 +267 @@
                                 items.each( function( menuItem ) {
                                         $content.append( itemTemplate( menuItem.attributes ) );
                                 } );
-                                if ( 20 > items.length ) {
-                                        self.pages.search = -1; // Up to 20 posts and 20 terms in results, if <20, no more results for either.
+                                if ( 10 > items.length ) {
+                                        self.pages.search = -1; // Up to 10 posts and 10 terms in results, if <10, no more results for either.
                                 } else {
                                         self.pages.search = self.pages.search + 1;
                                 }
@@ -277 +277 @@
                                 } else if ( items && page === 1 ) {
                                         wp.a11y.speak( api.Menus.data.l10n.itemsFound.replace( '%d', items.length ) );
                                 }
+
+                                var totalHeight = $content.prop( 'scrollHeight' ),
+                                        lastItem = $content.find( 'li' ).last();
+
+                                // The window is larger than the results and we need to initiate page 2 search.
+                                if ( 1 === page && totalHeight > lastItem.position().top + lastItem.outerHeight( true ) ) {
+                                        self.doSearch( 2 );
+                                }
                         });
 
                         self.currentRequest.fail(function( data ) {

src/wp-includes/class-wp-customize-nav-menus.php

@@ -244 +244 @@
                         'update_post_term_cache' => false,
                         'update_post_meta_cache' => false,
                         'post_status'            => 'publish',
-                        'posts_per_page'         => 20,
+                        'posts_per_page'         => 10,
                 );
 
                 $args['pagenum'] = isset( $args['pagenum'] ) ? absint( $args['pagenum'] ) : 1;
@@ -281 +281 @@
                 $taxonomies = get_taxonomies( array( 'show_in_nav_menus' => true ), 'names' );
                 $terms = get_terms( $taxonomies, array(
                         'name__like' => $args['s'],
-                        'number'     => 20,
-                        'offset'     => 20 * ($args['pagenum'] - 1),
+                        'number'     => 10,
+                        'offset'     => 10 * ($args['pagenum'] - 1),
                 ) );
 
                 // Check if any taxonomies were found.