--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/widgets/class-wp-nav-menu-widget.php Mon Oct 14 17:39:30 2019 +0200
@@ -0,0 +1,159 @@
+<?php
+/**
+ * Widget API: WP_Nav_Menu_Widget class
+ *
+ * @package WordPress
+ * @subpackage Widgets
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to implement the Navigation Menu widget.
+ *
+ * @since 3.0.0
+ *
+ * @see WP_Widget
+ */
+class WP_Nav_Menu_Widget extends WP_Widget {
+
+ /**
+ * Sets up a new Navigation Menu widget instance.
+ *
+ * @since 3.0.0
+ */
+ public function __construct() {
+ $widget_ops = array(
+ 'description' => __( 'Add a navigation menu to your sidebar.' ),
+ 'customize_selective_refresh' => true,
+ );
+ parent::__construct( 'nav_menu', __('Navigation Menu'), $widget_ops );
+ }
+
+ /**
+ * Outputs the content for the current Navigation Menu widget instance.
+ *
+ * @since 3.0.0
+ *
+ * @param array $args Display arguments including 'before_title', 'after_title',
+ * 'before_widget', and 'after_widget'.
+ * @param array $instance Settings for the current Navigation Menu widget instance.
+ */
+ public function widget( $args, $instance ) {
+ // Get menu
+ $nav_menu = ! empty( $instance['nav_menu'] ) ? wp_get_nav_menu_object( $instance['nav_menu'] ) : false;
+
+ if ( ! $nav_menu ) {
+ return;
+ }
+
+ $title = ! empty( $instance['title'] ) ? $instance['title'] : '';
+
+ /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
+ $title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
+
+ echo $args['before_widget'];
+
+ if ( $title ) {
+ echo $args['before_title'] . $title . $args['after_title'];
+ }
+
+ $nav_menu_args = array(
+ 'fallback_cb' => '',
+ 'menu' => $nav_menu
+ );
+
+ /**
+ * Filters the arguments for the Navigation Menu widget.
+ *
+ * @since 4.2.0
+ * @since 4.4.0 Added the `$instance` parameter.
+ *
+ * @param array $nav_menu_args {
+ * An array of arguments passed to wp_nav_menu() to retrieve a navigation menu.
+ *
+ * @type callable|bool $fallback_cb Callback to fire if the menu doesn't exist. Default empty.
+ * @type mixed $menu Menu ID, slug, or name.
+ * }
+ * @param WP_Term $nav_menu Nav menu object for the current menu.
+ * @param array $args Display arguments for the current widget.
+ * @param array $instance Array of settings for the current widget.
+ */
+ wp_nav_menu( apply_filters( 'widget_nav_menu_args', $nav_menu_args, $nav_menu, $args, $instance ) );
+
+ echo $args['after_widget'];
+ }
+
+ /**
+ * Handles updating settings for the current Navigation Menu widget instance.
+ *
+ * @since 3.0.0
+ *
+ * @param array $new_instance New settings for this instance as input by the user via
+ * WP_Widget::form().
+ * @param array $old_instance Old settings for this instance.
+ * @return array Updated settings to save.
+ */
+ public function update( $new_instance, $old_instance ) {
+ $instance = array();
+ if ( ! empty( $new_instance['title'] ) ) {
+ $instance['title'] = sanitize_text_field( $new_instance['title'] );
+ }
+ if ( ! empty( $new_instance['nav_menu'] ) ) {
+ $instance['nav_menu'] = (int) $new_instance['nav_menu'];
+ }
+ return $instance;
+ }
+
+ /**
+ * Outputs the settings form for the Navigation Menu widget.
+ *
+ * @since 3.0.0
+ *
+ * @param array $instance Current settings.
+ * @global WP_Customize_Manager $wp_customize
+ */
+ public function form( $instance ) {
+ global $wp_customize;
+ $title = isset( $instance['title'] ) ? $instance['title'] : '';
+ $nav_menu = isset( $instance['nav_menu'] ) ? $instance['nav_menu'] : '';
+
+ // Get menus
+ $menus = wp_get_nav_menus();
+
+ // If no menus exists, direct the user to go and create some.
+ ?>
+ <p class="nav-menu-widget-no-menus-message" <?php if ( ! empty( $menus ) ) { echo ' style="display:none" '; } ?>>
+ <?php
+ if ( $wp_customize instanceof WP_Customize_Manager ) {
+ $url = 'javascript: wp.customize.panel( "nav_menus" ).focus();';
+ } else {
+ $url = admin_url( 'nav-menus.php' );
+ }
+ ?>
+ <?php echo sprintf( __( 'No menus have been created yet. <a href="%s">Create some</a>.' ), esc_attr( $url ) ); ?>
+ </p>
+ <div class="nav-menu-widget-form-controls" <?php if ( empty( $menus ) ) { echo ' style="display:none" '; } ?>>
+ <p>
+ <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ) ?></label>
+ <input type="text" class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo esc_attr( $title ); ?>"/>
+ </p>
+ <p>
+ <label for="<?php echo $this->get_field_id( 'nav_menu' ); ?>"><?php _e( 'Select Menu:' ); ?></label>
+ <select id="<?php echo $this->get_field_id( 'nav_menu' ); ?>" name="<?php echo $this->get_field_name( 'nav_menu' ); ?>">
+ <option value="0"><?php _e( '— Select —' ); ?></option>
+ <?php foreach ( $menus as $menu ) : ?>
+ <option value="<?php echo esc_attr( $menu->term_id ); ?>" <?php selected( $nav_menu, $menu->term_id ); ?>>
+ <?php echo esc_html( $menu->name ); ?>
+ </option>
+ <?php endforeach; ?>
+ </select>
+ </p>
+ <?php if ( $wp_customize instanceof WP_Customize_Manager ) : ?>
+ <p class="edit-selected-nav-menu" style="<?php if ( ! $nav_menu ) { echo 'display: none;'; } ?>">
+ <button type="button" class="button"><?php _e( 'Edit Menu' ) ?></button>
+ </p>
+ <?php endif; ?>
+ </div>
+ <?php
+ }
+}