69 lines
2.2 KiB
PHP
69 lines
2.2 KiB
PHP
<?php
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if ( ! class_exists( 'Walker_Nav_Menu_Edit' ) ) {
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/** Walker_Nav_Menu_Edit class */
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require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
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}
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/**
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* Custom Walker for Nav Menu Editor
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*
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* Add wp_nav_menu_item_custom_fields hook to the nav menu editor.
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*
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* Credits:
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*
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* @helgatheviking - Initial concept which has made adding settings in the menu editor in a compatible way.
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* @kucrut - preg_replace() method so that we no longer have to translate core strings
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* @danieliser - refactor for less complexity between WP versions & updating versioned classes for proper backward compatibility with the new methods.
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*
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* @since WordPress 3.0.0
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* @uses Walker_Nav_Menu_Edit
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*/
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class Walker_Nav_Menu_Edit_Custom_Fields extends Walker_Nav_Menu_Edit {
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/**
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* Start the element output.
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*
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* @see Walker_Nav_Menu_Edit::start_el()
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*
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* @param string $output Passed by reference. Used to append additional content.
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* @param object $item Menu item data object.
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* @param int $depth Depth of menu item.
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* @param array $args
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*/
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public function start_el( &$output, $item, $depth = 0, $args = [] ) {
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$item_output = '';
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parent::start_el( $item_output, $item, $depth, $args );
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$output .= preg_replace( '/(<p[^>]+class="[^"]*field-description(?:.|\n)*?<\/p>)/', "$1 \r\n " . $this->get_custom_fields( $item, $depth, $args ), $item_output, 1 );
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}
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/**
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* Get custom fields
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*
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* @uses do_action() Calls 'menu_item_custom_fields' hook
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*
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* @param object $item Menu item data object.
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* @param int $depth Depth of menu item. Used for padding.
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* @param array $args Menu item args.
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*
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* @return string Additional fields or html for the nav menu editor.
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*/
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protected function get_custom_fields( $item, $depth, $args = [] ) {
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ob_start();
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$item_id = intval( $item->ID );
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/**
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* Get menu item custom fields from plugins/themes
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*
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* @param int $item_id post ID of menu
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* @param object $item Menu item data object.
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* @param int $depth Depth of menu item. Used for padding.
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* @param array $args Menu item args.
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*
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* @return string Custom fields
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*/
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do_action( 'wp_nav_menu_item_custom_fields', $item_id, $item, $depth, $args );
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return ob_get_clean();
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}
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}
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