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✏️ Editing: pa-nav-menu-walker.php

<?php
/**
 * PA Nav Menu Walker.
 */

namespace PremiumAddons\Includes;

// PA classes.
use PremiumAddons\Includes\Helper_Functions;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Class Pa_Nav_Menu_Walker.
 */
class Pa_Nav_Menu_Walker extends \Walker_Nav_Menu {

/**
	 * Menu Settings.
	 *
	 * @var settings
	 */
	private $settings = null;

/**
	 * Is mobile menu flag.
	 *
	 * @var is_mobile_menu
	 */
	private $is_mobile_menu = null;

/**
	 * Class Constructor.
	 *
	 * @param array $widget_settings    widget settings.
	 * @param bool  $is_mobile_menu     is toggle menu flag.
	 */
	public function __construct( $widget_settings, $is_mobile_menu = false ) {

$this->settings = $widget_settings;

$this->is_mobile_menu = $is_mobile_menu;
	}

/**
	 * Get Item Postmeta data.
	 *
	 * @since 4.9.4
	 * @access public
	 *
	 * @param int|string $item_id  menu item id.
	 *
	 * @return object
	 */
	public function get_item_postmeta( $item_id ) {

$defauls = array(
			'item_id'                 => '',
			'item_icon'               => '',
			'item_badge'              => '',
			'item_depth'              => '',
			'item_badge_bg'           => '',
			'item_icon_type'          => '',
			'item_lottie_url'         => '',
			'item_icon_color'         => '',
			'item_badge_color'        => '',
			'mega_content_pos'        => '',
			'mega_content_width'      => '',
			'mega_content_enabled'    => '',
			'full_width_mega_content' => '',
		);

$item_meta = array_merge( $defauls, (array) json_decode( get_post_meta( $item_id, 'pa_megamenu_item_meta', true ) ) );

return (object) $item_meta;
	}

/**
	 * Get Mega Content ID.
	 * Retrieves mega content id from postmeta table.
	 *
	 * @access public
	 * @since 4.9.4
	 *
	 * @param string $item_id   menu item id.
	 *
	 * @return string
	 */
	public function get_mega_content_id( $item_id ) {
		return get_post_meta( $item_id, 'pa_mega_content_temp', true );
	}

/**
	 * Get default submenu icon.
	 *
	 * @access public
	 * @since 4.9.18
	 *
	 * @param string $layout   main menu layout.
	 *
	 * @return string
	 */
	public function get_default_submenu_icon() {

// toggle menu icon.
		if ( $this->is_mobile_menu ) {
			return 'fas fa-angle-down';
		}

$icon   = 'fas fa-angle-right';
		$layout = $this->settings['pa_nav_menu_layout'];

switch ( $layout ) {
			case 'hor':
				if ( is_rtl() ) {
					$icon = 'fas fa-angle-left';
				}
				break;

case 'slide':
			case 'dropdown':
				$icon = 'fas fa-angle-down';
				break;

case 'ver':
				$icon = 'fas fa-angle-' . $this->settings['pa_nav_ver_submenu'];
				break;
		}

return $icon;
	}

/**
	 * Starts the list before the elements are added.
	 *
	 * @since 3.0.0
	 *
	 * @see Walker::start_lvl()
	 *
	 * @param string   $output Used to append additional content (passed by reference).
	 * @param int      $depth  Depth of menu item. Used for padding.
	 * @param stdClass $args   An object of wp_nav_menu() arguments.
	 */
	public function start_lvl( &$output, $depth = 0, $args = null ) {

$settings = $this->settings;

if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
			$t = '';
			$n = '';
		} else {
			$t = "\t";
			$n = "\n";
		}

$indent = str_repeat( $t, $depth );

$classes = array( 'premium-sub-menu', 'premium-lq__' . $settings['submenu_lq_effect'] );

/**
		 * 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 = implode( ' ', apply_filters( 'nav_menu_submenu_css_class', $classes, $args, $depth ) );
		$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';

$output .= "{$n}{$indent}<ul$class_names>{$n}";
	}

/**
	 * Ends the list of after the elements are added.
	 *
	 * @since 3.0.0
	 *
	 * @see Walker::end_lvl()
	 *
	 * @param string   $output Used to append additional content (passed by reference).
	 * @param int      $depth  Depth of menu item. Used for padding.
	 * @param stdClass $args   An object of wp_nav_menu() arguments.
	 */
	public function end_lvl( &$output, $depth = 0, $args = null ) {
		if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
			$t = '';
			$n = '';
		} else {
			$t = "\t";
			$n = "\n";
		}
		$indent  = str_repeat( $t, $depth );
		$output .= "$indent</ul>{$n}";
	}

/**
	 * Starts the element output.
	 *
	 * @since 3.0.0
	 * @since 4.4.0 The {@see 'nav_menu_item_args'} filter was added.
	 * @since 5.9.0 Renamed `$item` to `$data_object` and `$id` to `$current_object_id`
	 *              to match parent class for PHP 8 named parameter support.
	 *
	 * @see Walker::start_el()
	 *
	 * @param string   $output            Used to append additional content (passed by reference).
	 * @param WP_Post  $data_object       Menu item data object.
	 * @param int      $depth             Depth of menu item. Used for padding.
	 * @param stdClass $args              An object of wp_nav_menu() arguments.
	 * @param int      $current_object_id Optional. ID of the current menu item. Default 0.
	 */
	public function start_el( &$output, $data_object, $depth = 0, $args = array(), $current_object_id = 0 ) {

$settings = $this->settings;

// Restores the more descriptive, specific name for use within this method.
		$menu_item = $data_object;

if ( is_null( $menu_item ) ) {
			return;
		}

$item_meta = $this->get_item_postmeta( $menu_item->ID );

if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
			$t = '';
			$n = '';
		} else {
			$t = "\t";
			$n = "\n";
		}

$indent = ( $depth ) ? str_repeat( $t, $depth ) : '';

$classes = empty( $menu_item->classes ) ? array() : (array) $menu_item->classes; // has default classes.

$classes[] = 'premium-nav-menu-item'; // add our own class too.

if ( 0 < $depth ) {
			$classes[] = 'premium-sub-menu-item';
		}

if ( 'true' == $item_meta->mega_content_enabled ) {
			$classes[] = 'premium-mega-nav-item menu-item-has-children';

if ( 'default' === $item_meta->mega_content_pos ) {
				$classes[] = 'premium-mega-item-static';
			}
		}

/** handling active anchor links which redirects to an id in a page.
		 *  make sure we exclude URL with the #/ as it's not a valid ID selector.
		 */
		$is_anchor = false !== strpos( $menu_item->url, '#' ) && false === strpos( $menu_item->url, '#/' );

// we can later add other classes here based on the user settings.
		if ( ! $is_anchor && in_array( 'current-menu-item', $classes, true ) ) {
			$classes[] = 'premium-active-item';
		}

if ( $is_anchor ) { // the active class will be added via js.
			$classes[] = 'premium-item-anchor';
		}

// Add badge marker.
		if ( ! empty( $item_meta->item_badge ) ) {
			$classes[] = 'has-pa-badge';

// check for sub item badge effects.
			$badge_effect = $settings['sub_badge_hv_effects'];

if ( 0 < $depth && '' !== $badge_effect ) {
				$classes[] = 'premium-badge-' . $badge_effect;
			}
		}

/**
		 * 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  $menu_item Menu item data object.
		 * @param int      $depth     Depth of menu item. Used for padding.
		 */
		$args = apply_filters( 'nav_menu_item_args', $args, $menu_item, $depth ); // default fitler.

/**
		 * 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  $menu_item The current menu item object.
		 * @param stdClass $args      An object of wp_nav_menu() arguments.
		 * @param int      $depth     Depth of menu item. Used for padding.
		 */
		$class_names = implode( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $menu_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  $menu_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', 'premium-nav-menu-item-' . $menu_item->ID, $menu_item, $args, $depth ); // change the default id.
		$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';

$full_width = 'true' == $item_meta->full_width_mega_content ? ' data-full-width="true"' : '';

$output .= $indent . '<li' . $id . $class_names . $full_width . '>';
		// link attributes.
		$atts           = array();
		$atts['title']  = ! empty( $menu_item->attr_title ) ? $menu_item->attr_title : '';
		$atts['target'] = ! empty( $menu_item->target ) ? $menu_item->target : '';

if ( '_blank' === $menu_item->target && empty( $menu_item->xfn ) ) {

$atts['rel'] = 'noopener';
		} else {

$atts['rel'] = $menu_item->xfn;
		}

$atts['href']         = ! empty( $menu_item->url ) ? $menu_item->url : '';
		$atts['aria-current'] = $menu_item->current ? 'page' : '';

/**
		 * Page-Transition Experiment Fix.
		 * add elementor's custom attribute to Toggle menu links
		 * && if the element has sub|mega menu.
		 */
		$is_parent = in_array( 'menu-item-has-children', $classes, true ) || 'true' == $item_meta->mega_content_enabled;
		$is_toggle = in_array( $settings['pa_nav_menu_layout'], array( 'dropdown', 'slide' ), true ) || wp_is_mobile();

if ( $is_toggle && $is_parent ) {
			$atts['data-e-disable-page-transition'] = 'true';
		}

/**
		 * 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  $menu_item The current menu item object.
		 * @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, $menu_item, $args, $depth );

// add our own class.
		if ( empty( $atts['class'] ) ) {
			$atts['class'] = 'premium-menu-link';
		} else {
			$atts['class'] .= ' premium-menu-link';
		}

if ( 0 == $depth ) {

$atts['class'] .= ' premium-menu-link-parent';
			$atts['class'] .= ' premium-lq__' . $settings['item_lq_effect'];
		}

$dropdown_icon = '';

$dropdown_icon_class = '';
		$item_icon           = '';
		$item_badge          = '';
		$icon_class          = 0 < $depth ? ' premium-sub-item-icon' : ' premium-item-icon';
		$badge_class         = 0 < $depth ? 'premium-sub-item-badge' : 'premium-item-badge';

if ( in_array( 'menu-item-has-children', $classes, true ) || 'true' == $item_meta->mega_content_enabled ) {

// $dropdown_icon_class = 0 === $depth ? $settings['submenu_icon']['value'] : $this->get_default_submenu_icon();

// submenu_item_icon.
			if ( 0 === $depth ) {
				$dropdown_icon_class = $settings['submenu_icon']['value'];
			} else {
				$dropdown_icon_class = ! empty( $settings['submenu_item_icon']['value'] ) ? $settings['submenu_item_icon']['value'] : $this->get_default_submenu_icon();
			}

if ( ! empty( $dropdown_icon_class ) ) {

$dropdown_icon_class .= ' premium-dropdown-icon';
				$dropdown_icon        = sprintf( '<i class="%1$s"></i>', esc_attr( $dropdown_icon_class ) );

}
		}

// add item icon.
		if ( 'icon' === $item_meta->item_icon_type && ! empty( $item_meta->item_icon ) ) {
			$item_icon = sprintf( '<i class="%1$s" style="color:%2$s"></i>', esc_attr( $item_meta->item_icon . $icon_class ), esc_attr( $item_meta->item_icon_color ) );
		} elseif ( 'lottie' === $item_meta->item_icon_type && ! empty( $item_meta->item_lottie_url ) ) {
			$item_icon = sprintf( '<div class="%1$s" data-lottie-url="%2$s" data-lottie-loop="true"></div>', esc_attr( $icon_class ) . ' premium-lottie-animation', esc_url( $item_meta->item_lottie_url ) );
		}

// add item badge.
		if ( ! empty( $item_meta->item_badge ) ) {
			$item_badge = sprintf( '<span class="%1$s" style="color:%2$s; background-color:%3$s;">%4$s</span>', esc_attr( $badge_class ), esc_attr( $item_meta->item_badge_color ), esc_attr( $item_meta->item_badge_bg ), esc_attr( $item_meta->item_badge ) );
		}

if ( 0 < $depth ) {
			$atts['class'] .= ' premium-sub-menu-link';
		}

$attributes = '';
		foreach ( $atts as $attr => $value ) {
			if ( is_scalar( $value ) && '' !== $value && false !== $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', $menu_item->title, $menu_item->ID );

/**
		 * Filters a menu item's title.
		 *
		 * @since 4.4.0
		 *
		 * @param string   $title     The menu item's title.
		 * @param WP_Post  $menu_item The current menu item object.
		 * @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, $menu_item, $args, $depth );

$item_output  = $args->before;
		$item_output .= '<a' . $attributes . '>';
		$item_output .= $args->link_before . $item_icon . $title . $dropdown_icon . $item_badge . $args->link_after;
		$item_output .= '</a>';
		$item_output .= $args->after;

/**
		 * 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  $menu_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, $menu_item, $depth, $args );
	}

/**
	 * Ends the element output, if needed.
	 *
	 * @since 3.0.0
	 * @since 5.9.0 Renamed `$item` to `$data_object` to match parent class for PHP 8 named parameter support.
	 *
	 * @see Walker::end_el()
	 *
	 * @param string   $output      Used to append additional content (passed by reference).
	 * @param WP_Post  $data_object Menu item 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, $data_object, $depth = 0, $args = null ) {

/**
		 * Add mega content to main nav menu items only.
		 */
		if ( 0 === $depth ) {

$item_meta = $this->get_item_postmeta( $data_object->ID );

if ( 'true' == $item_meta->mega_content_enabled && class_exists( 'Elementor\Plugin' ) ) {

$temp_id = $this->get_mega_content_id( $data_object->ID );
				$content = Helper_Functions::render_elementor_template( $temp_id, true );
				$style   = 'width:' . $item_meta->mega_content_width;
				$output .= sprintf( '<div id="premium-mega-content-%1$s" class="premium-mega-content-container" style="%2$s">%3$s</div>', $data_object->ID, $style, $content );
			}
		}

if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) {
			$t = '';
			$n = '';
		} else {
			$t = "\t";
			$n = "\n";
		}

$output .= "</li>{$n}";
	}
}

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