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c1bb5b5ce3
Props dimadin. See #33413. Built from https://develop.svn.wordpress.org/trunk@33954 git-svn-id: http://core.svn.wordpress.org/trunk@33923 1a063a9b-81f0-0310-95a4-ce76da25c4cd
117 lines
3.9 KiB
PHP
117 lines
3.9 KiB
PHP
<?php
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/**
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* Navigation Menu widget class
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*
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* @since 3.0.0
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* @package WordPress
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* @subpackage Widgets
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*/
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class WP_Nav_Menu_Widget extends WP_Widget {
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public function __construct() {
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$widget_ops = array( 'description' => __('Add a custom menu to your sidebar.') );
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parent::__construct( 'nav_menu', __('Custom Menu'), $widget_ops );
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}
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/**
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* @param array $args
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* @param array $instance
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*/
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public function widget( $args, $instance ) {
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// Get menu
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$nav_menu = ! empty( $instance['nav_menu'] ) ? wp_get_nav_menu_object( $instance['nav_menu'] ) : false;
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if ( !$nav_menu )
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return;
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/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
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$instance['title'] = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );
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echo $args['before_widget'];
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if ( !empty($instance['title']) )
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echo $args['before_title'] . $instance['title'] . $args['after_title'];
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$nav_menu_args = array(
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'fallback_cb' => '',
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'menu' => $nav_menu
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);
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/**
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* Filter the arguments for the Custom Menu widget.
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*
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* @since 4.2.0
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*
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* @param array $nav_menu_args {
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* An array of arguments passed to wp_nav_menu() to retrieve a custom menu.
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*
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* @type callback|bool $fallback_cb Callback to fire if the menu doesn't exist. Default empty.
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* @type mixed $menu Menu ID, slug, or name.
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* }
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* @param stdClass $nav_menu Nav menu object for the current menu.
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* @param array $args Display arguments for the current widget.
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*/
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wp_nav_menu( apply_filters( 'widget_nav_menu_args', $nav_menu_args, $nav_menu, $args ) );
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echo $args['after_widget'];
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}
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/**
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* @param array $new_instance
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* @param array $old_instance
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* @return array
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*/
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public function update( $new_instance, $old_instance ) {
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$instance = array();
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if ( ! empty( $new_instance['title'] ) ) {
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$instance['title'] = sanitize_text_field( stripslashes( $new_instance['title'] ) );
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}
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if ( ! empty( $new_instance['nav_menu'] ) ) {
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$instance['nav_menu'] = (int) $new_instance['nav_menu'];
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}
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return $instance;
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}
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/**
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* @param array $instance
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*/
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public function form( $instance ) {
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$title = isset( $instance['title'] ) ? $instance['title'] : '';
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$nav_menu = isset( $instance['nav_menu'] ) ? $instance['nav_menu'] : '';
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// Get menus
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$menus = wp_get_nav_menus();
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// If no menus exists, direct the user to go and create some.
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?>
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<p class="nav-menu-widget-no-menus-message" <?php if ( ! empty( $menus ) ) { echo ' style="display:none" '; } ?>>
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<?php
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if ( isset( $GLOBALS['wp_customize'] ) && $GLOBALS['wp_customize'] instanceof WP_Customize_Manager ) {
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$url = 'javascript: wp.customize.panel( "nav_menus" ).focus();';
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} else {
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$url = admin_url( 'nav-menus.php' );
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}
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?>
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<?php echo sprintf( __( 'No menus have been created yet. <a href="%s">Create some</a>.' ), esc_attr( $url ) ); ?>
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</p>
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<div class="nav-menu-widget-form-controls" <?php if ( empty( $menus ) ) { echo ' style="display:none" '; } ?>>
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<p>
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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ) ?></label>
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<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 ); ?>"/>
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</p>
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<p>
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<label for="<?php echo $this->get_field_id( 'nav_menu' ); ?>"><?php _e( 'Select Menu:' ); ?></label>
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<select id="<?php echo $this->get_field_id( 'nav_menu' ); ?>" name="<?php echo $this->get_field_name( 'nav_menu' ); ?>">
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<option value="0"><?php _e( '— Select —' ); ?></option>
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<?php foreach ( $menus as $menu ) : ?>
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<option value="<?php echo esc_attr( $menu->term_id ); ?>" <?php selected( $nav_menu, $menu->term_id ); ?>>
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<?php echo esc_html( $menu->name ); ?>
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</option>
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<?php endforeach; ?>
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</select>
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</p>
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</div>
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<?php
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}
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}
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