File: /medikors/www/wp-content/plugins/raven/includes/modules/nav-menu/classes/walker-nav-menu.php
<?php
/**
* Walker class.
*
* @package Raven
*
* @since 1.0.0
*/
namespace Raven\Modules\Nav_Menu\Classes;
use Elementor\Plugin as Elementor;
defined( 'ABSPATH' ) || die();
/**
* Custom nav menu walker.
*
* @since 1.0.0
*
* Supress this class since this is almost similar to WP Walker_Nav_Menu class with minimal code modification.
*
* @SuppressWarnings(PHPMD)
*/
class Walker_Nav_Menu extends \Walker_Nav_Menu {
/**
* Total top level count.
*
* @since 1.0.0
*
* @var integer
*/
protected $top_level_count = 0;
/**
* Current loop top level index.
*
* @since 1.0.0
*
* @var integer
*/
protected $top_level_index = 0;
public $menu_settings = [];
/**
* Check for mega menus.
*
* @since 1.5.0
*
* @var integer
*/
public $mega_menu_id;
public $mega_menu_enabled;
public function __construct( $menu_settings ) {
$this->mega_menu_id = false;
$this->mega_menu_enabled = false;
$this->menu_settings = $menu_settings;
}
/**
* Display array of elements hierarchically.
*
* Does not assume any existing order of elements.
*
* $max_depth = -1 means flatly display every element.
* $max_depth = 0 means display all levels.
* $max_depth > 0 specifies the number of display levels.
*
* @since 1.0.0
*
* @param array $elements An array of elements.
* @param int $max_depth The maximum hierarchical depth.
*
* @return string The hierarchical item output.
*/
public function walk( $elements, $max_depth, ...$args ) {
$args = array_slice( func_get_args(), 2 );
$output = '';
if ( $max_depth < -1 || empty( $elements ) ) {
return $output;
}
$parent_field = $this->db_fields['parent'];
if ( -1 === $max_depth ) {
$empty_array = [];
foreach ( $elements as $e ) {
$this->display_element( $e, $empty_array, 1, 0, $args, $output );
}
return $output;
}
$top_level_elements = [];
$children_elements = [];
foreach ( $elements as $e ) {
if ( empty( $e->$parent_field ) ) {
$top_level_elements[] = $e;
} else {
$children_elements[ $e->$parent_field ][] = $e;
}
}
if ( empty( $top_level_elements ) ) {
$first = array_slice( $elements, 0, 1 );
$root = $first[0];
$top_level_elements = [];
$children_elements = [];
foreach ( $elements as $e ) {
if ( $root->$parent_field === $e->$parent_field ) {
$top_level_elements[] = $e;
} else {
$children_elements[ $e->$parent_field ][] = $e;
}
}
}
// Hack to get count and index of loop via class scope variable.
$this->top_level_count = count( $top_level_elements );
foreach ( $top_level_elements as $index => $e ) {
$this->top_level_index = $index;
if ( $this->mega_menu_check( $e->ID ) ) {
$this->unset_children( $e, $children_elements );
}
$this->display_element( $e, $children_elements, $max_depth, 0, $args, $output );
}
// Immediately reset.
$this->top_level_count = 0;
$this->top_level_index = 0;
if ( ( 0 === $max_depth ) && count( $children_elements ) > 0 ) {
$empty_array = [];
foreach ( $children_elements as $orphans ) {
foreach ( $orphans as $op ) {
$this->display_element( $op, $empty_array, 1, 0, $args, $output );
}
}
}
return $output;
}
/**
* Ends the element output, if needed.
*
* @since 1.0.0
*
* @see Walker::end_el()
*
* @param string $output Used to append additional content (passed by reference).
* @param WP_Post $item Page data object. Not used.
* @param int $depth Depth of page. Not Used.
* @param stdClass $args An object of wp_nav_menu() arguments.
*/
public function end_el( &$output, $item, $depth = 0, $args = [] ) {
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$output .= "</li>{$n}";
if ( 0 === $depth && $this->top_level_count ) {
$output .= apply_filters( 'raven_walker_nav_menu_logo', '', $this->top_level_count, $this->top_level_index );
}
}
public function start_lvl( &$output, $depth = 0, $args = array() ) {
if ( $this->mega_menu_id > 0 ) {
return;
}
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = str_repeat( $t, $depth );
$classes = array( 'sub-menu' );
/**
* Filters the CSS class(es) applied to a menu list element.
*
* @since 4.8.0
*
* @param string[] $classes Array of the CSS classes that are applied to the menu `<ul>` element.
* @param stdClass $args An object of `wp_nav_menu()` arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$class_names = join( ' ', apply_filters( 'nav_menu_submenu_css_class', $classes, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $depth . ' ' . $class_names ) . '"' : '';
$output .= "{$n}{$indent}<ul$class_names>{$n}";
}
public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
$this->mega_menu_id = $this->mega_menu_check( $item->ID );
$this->mega_menu_enabled = $this->mega_menu_id ? true : false;
if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
$t = '';
$n = '';
} else {
$t = "\t";
$n = "\n";
}
$indent = ( $depth ) ? str_repeat( $t, $depth ) : '';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$classes[] = 'menu-item-' . $item->ID;
if ( $this->mega_menu_enabled ) {
$classes[] = 'mega-menu-enabled';
$classes[] = 'has-mega-menu';
$classes[] = 'mega-menu-' . $item->ID;
}
/**
* Filters the arguments for a single nav menu item.
*
* @since 4.4.0
*
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param WP_Post $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
*/
$args = apply_filters( 'nav_menu_item_args', $args, $item, $depth );
/**
* Filters the CSS classes applied to a menu item's list item element.
*
* @since 3.0.0
* @since 4.1.0 The `$depth` parameter was added.
*
* @param string[] $classes Array of the CSS classes that are applied to the menu item's `<li>` element.
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
/**
* Filters the ID applied to a menu item's list item element.
*
* @since 3.0.1
* @since 4.1.0 The `$depth` parameter was added.
*
* @param string $menu_id The ID that is applied to the menu item's `<li>` element.
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth );
$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';
$output .= $indent . '<li' . $id . $class_names . '>';
$atts = array();
$atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : '';
$atts['target'] = ! empty( $item->target ) ? $item->target : '';
if ( '_blank' === $item->target && empty( $item->xfn ) ) {
$atts['rel'] = 'noopener noreferrer';
} else {
$atts['rel'] = $item->xfn;
}
$atts['href'] = ! empty( $item->url ) ? $item->url : '';
$atts['aria-current'] = $item->current ? 'page' : '';
/**
* Filters the HTML attributes applied to a menu item's anchor element.
*
* @since 3.6.0
* @since 4.1.0 The `$depth` parameter was added.
*
* @param array $atts {
* The HTML attributes applied to the menu item's `<a>` element, empty strings are ignored.
*
* @type string $title Title attribute.
* @type string $target Target attribute.
* @type string $rel The rel attribute.
* @type string $href The href attribute.
* @type string $aria_current The aria-current attribute.
* }
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );
$attributes = '';
foreach ( $atts as $attr => $value ) {
if ( ! empty( $value ) ) {
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
$attributes .= ' ' . $attr . '="' . $value . '"';
}
}
/** This filter is documented in wp-includes/post-template.php */
$title = apply_filters( 'the_title', $item->title, $item->ID );
/**
* Filters a menu item's title.
*
* @since 4.4.0
*
* @param string $title The menu item's title.
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth );
$title = apply_filters( 'raven_nav_menu_item_title', $title, $item, $this->menu_settings );
$item_output = $args->before;
$item_output .= '<a' . $attributes . '>';
$item_output .= $args->link_before . $title . $args->link_after;
$item_output .= '</a>';
$item_output .= $args->after;
if ( $this->mega_menu_id ) {
$mega_menu_content = $this->getItemContent( $this->mega_menu_id );
$item_output .= sprintf( "<ul class='submenu'><div class='raven-megamenu-wrapper'>%s</div></ul>", $mega_menu_content );
}
/**
* Filters a menu item's starting output.
*
* The menu item's starting output only includes `$args->before`, the opening `<a>`,
* the menu item's title, the closing `</a>`, and `$args->after`. Currently, there is
* no filter for modifying the opening and closing `<li>` for a menu item.
*
* @since 3.0.0
*
* @param string $item_output The menu item's starting HTML output.
* @param WP_Post $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
*/
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
/**
* Get Elementor template by Id.
*
* @since 1.5.0
* @param int $item_id Elementor template ID.
*
* @return string Elementor Template String.
*/
private function getItemContent( $item_id ) {
static $elementor = null;
if ( $item_id ) {
if ( null === $elementor ) {
$elementor = Elementor::instance();
}
return $elementor->frontend->get_builder_content_for_display( $item_id );
}
}
/**
* Check if the nav menu item is a mega menu or not and return the mega menu template id.
*
* @since 1.5.0
* @param int Nav menu Item.
*
* @return mixed $mega_menu_template.
*/
public function mega_menu_check( $item_id ) {
if ( '' !== $item_id && class_exists( 'acf' ) ) {
$mega_menu_template = get_field( 'jupiterx_mega_template', $item_id );
if ( 'global' !== $mega_menu_template && (int) $mega_menu_template > 0 ) {
return $mega_menu_template;
}
}
return false;
}
}