Ajaxify pagination requests in menu boxes. Props filosofo. fixes #13204

git-svn-id: http://svn.automattic.com/wordpress/trunk@14943 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/admin-ajax.php

@@ -1091,6 +1091,45 @@ case 'hidden-columns' :
 
 	die('1');
 	break;
+case 'menu-get-metabox' :
+	if ( ! current_user_can( 'edit_theme_options' ) )
+		die('-1');
+
+	require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
+
+	if ( isset( $_POST['item-type'] ) && 'post_type' == $_POST['item-type'] ) {
+		$type = 'posttype';
+		$callback = 'wp_nav_menu_item_post_type_meta_box';
+		$items = (array) get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
+	} elseif ( isset( $_POST['item-type'] ) && 'taxonomy' == $_POST['item-type'] ) {
+		$type = 'taxonomy';
+		$callback = 'wp_nav_menu_item_taxonomy_meta_box';
+		$items = (array) get_taxonomies( array( 'show_ui' => true ), 'object' );
+	}
+
+	if ( ! empty( $_POST['item-object'] ) && isset( $items[$_POST['item-object']] ) ) {
+		$item = apply_filters( 'nav_menu_meta_box_object', $items[ $_POST['item-object'] ] );
+		ob_start();
+		call_user_func_array($callback, array(
+			null,
+			array(
+				'id' => 'add-' . $item->name,
+				'title' => $item->labels->name,
+				'callback' => $callback,
+				'args' => $item,
+			)
+		));
+		
+		$markup = ob_get_clean();
+		
+		echo json_encode(array(
+			'replace-id' => $type . '-' . $item->name,
+			'markup' => $markup,
+		));
+	}
+
+	exit;
+	break;
 case 'menu-quick-search':
 	if ( ! current_user_can( 'edit_theme_options' ) )
 		die('-1');

wp-admin/includes/nav-menu.php

@@ -455,7 +455,7 @@ function wp_nav_menu_item_link_meta_box() {
 	);
 
 	?>
-	<div class="customlinkdiv">
+	<div class="customlinkdiv" id="customlinkdiv">
 
 			<input type="hidden" value="custom" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-type]" />
 			<p id="menu-item-url-wrap">
@@ -478,7 +478,7 @@ function wp_nav_menu_item_link_meta_box() {
 			</span>
 			<span class="add-to-menu">
 				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
-				<input type="submit" class="button-secondary" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-custom-menu-item" />
+				<input type="submit" class="button-secondary submit-add-to-menu" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-custom-menu-item" id="submit-customlinkdiv" />
 			</span>
 		</p>
 
@@ -533,6 +533,8 @@ function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 			array(
 				$post_type_name . '-tab' => 'all',
 				'paged' => '%#%',
+				'item-type' => 'post_type',
+				'item-object' => $post_type_name,
 			)
 		),
 		'format' => '',
@@ -662,7 +664,7 @@ function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 
 			<span class="add-to-menu">
 				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
-				<input type="submit" class="button-secondary" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-post-type-menu-item" />
+				<input type="submit" class="button-secondary submit-add-to-menu" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-post-type-menu-item" id="submit-posttype-<?php echo $post_type_name; ?>" />
 			</span>
 		</p>
 
@@ -707,13 +709,15 @@ function wp_nav_menu_item_taxonomy_meta_box( $object, $taxonomy ) {
 		return;
 	}
 
-	$num_pages = ceil( count($terms) / $per_page );
+	$num_pages = ceil( wp_count_terms( $taxonomy_name , array_merge( $args, array('number' => '', 'offset' => '') ) ) / $per_page );
 
 	$page_links = paginate_links( array(
 		'base' => add_query_arg(
 			array(
 				$taxonomy_name . '-tab' => 'all',
 				'paged' => '%#%',
+				'item-type' => 'taxonomy',
+				'item-object' => $taxonomy_name,
 			)
 		),
 		'format' => '',
@@ -831,7 +835,7 @@ function wp_nav_menu_item_taxonomy_meta_box( $object, $taxonomy ) {
 
 			<span class="add-to-menu">
 				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
-				<input type="submit" class="button-secondary" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-taxonomy-menu-item" />
+				<input type="submit" class="button-secondary submit-add-to-menu" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-taxonomy-menu-item" id="submit-taxonomy-<?php echo $taxonomy_name; ?>" />
 			</span>
 		</p>
 

wp-admin/js/nav-menu.dev.js

@@ -33,7 +33,6 @@ var wpNavMenu;
 			this.attachMenuEditListeners();
 
 			this.setupInputWithDefaultTitle();
-			this.attachAddMenuItemListeners();
 			this.attachQuickSearchListeners();
 			this.attachThemeLocationsListeners();
 
@@ -412,22 +411,6 @@ var wpNavMenu;
 			});
 		},
 
-		attachAddMenuItemListeners : function() {
-			var form = $('#nav-menu-meta');
-
-			form.find('.add-to-menu input').click(function(){
-				api.registerChange();
-				$(this).trigger('wp-add-menu-item', [api.addMenuItemToBottom]);
-				return false;
-			});
-			form.find('.customlinkdiv').bind('wp-add-menu-item', function(e, processMethod) {
-				api.addCustomLink( processMethod );
-			});
-			form.find('.posttypediv, .taxonomydiv').bind('wp-add-menu-item', function(e, processMethod) {
-				$(this).addSelectedToMenu( processMethod );
-			});
-		},
-
 		attachThemeLocationsListeners : function() {
 			var loc = $('#nav-menu-theme-locations'), params = {};
 			params['action'] = 'menu-locations-save';
@@ -618,6 +601,41 @@ var wpNavMenu;
 							items.attr('checked', 'checked');
 						return false;
 					}
+				} else if ( target.hasClass('submit-add-to-menu') ) {
+					api.registerChange();
+
+					if ( e.target.id && 'submit-customlinkdiv' == e.target.id )
+						api.addCustomLink( api.addMenuItemToBottom );
+					else if ( e.target.id && -1 != e.target.id.indexOf('submit-') )
+						$('#' + e.target.id.replace(/submit-/, '')).addSelectedToMenu( api.addMenuItemToBottom );
+					return false;
+				} else if ( target.hasClass('page-numbers') ) {
+					$.post( ajaxurl, e.target.href.replace(/.*\?/, '').replace(/action=([^&]*)/, '') + '&action=menu-get-metabox', 
+						function( resp ) {
+							if ( -1 == resp.indexOf('replace-id') )
+								return;
+
+							var metaBoxData = $.parseJSON(resp),
+							toReplace = document.getElementById(metaBoxData['replace-id']),
+							placeholder = document.createElement('div'),
+							wrap = document.createElement('div');
+
+							if ( ! metaBoxData['markup'] || ! toReplace )
+								return;
+
+							wrap.innerHTML = metaBoxData['markup'] ? metaBoxData['markup'] : '';
+
+							toReplace.parentNode.insertBefore( placeholder, toReplace );
+							placeholder.parentNode.removeChild( toReplace );
+
+							placeholder.parentNode.insertBefore( wrap, placeholder );
+
+							placeholder.parentNode.removeChild( placeholder );
+
+						}
+					);
+					
+					return false;
 				}
 			});
 		},