wordpress-theme-aksrt/src/Frontend/NavWalker.php

<?php
/**
 * Nav walker — legacy senior submenu + meta decorations.
 *
 * @package AKSRT
 */

namespace AKSRT\Frontend;

defined('ABSPATH') || exit;

class NavWalker extends \Walker_Nav_Menu {

	/** @var int[] */
	public static $submenu_ids = [];

	/**
	 * Skip WP children when parent uses senior submenu.
	 */
	public function display_element($element, &$children_elements, $max_depth, $depth, $args, &$output) {
		if (!empty($element->menu_item_parent) && in_array((int) $element->menu_item_parent, self::$submenu_ids, true)) {
			return;
		}
		parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output);
	}

	public function start_el(&$output, $item, $depth = 0, $args = null, $id = 0): void {
		$title = '<span class="menu-item-title">' . $item->title . '</span>';

		$icon  = function_exists('aksrt_menu_pz') ? (string) aksrt_menu_pz((int) $item->ID, 'icon', '') : '';
		$badge = function_exists('aksrt_menu_pz') ? (string) aksrt_menu_pz((int) $item->ID, 'badge', '') : '';
		$badge_class = function_exists('aksrt_menu_pz') ? (string) aksrt_menu_pz((int) $item->ID, 'badge_class', '') : '';

		if ($icon && function_exists('aksrt_render_menu_icon')) {
			$title = aksrt_render_menu_icon($icon) . $title;
		}
		if ($badge && function_exists('aksrt_render_menu_badge')) {
			$title .= aksrt_render_menu_badge($badge, $badge_class);
		}

		$item->title = $title;

		$submenu = '';
		if (function_exists('aksrt_menu_pz') && aksrt_menu_pz((int) $item->ID, 'submenu_s') && (int) $depth === 0) {
			$submenu = $this->submenu((int) $item->ID);
		}
		if ($submenu) {
			$item->classes   = is_array($item->classes) ? $item->classes : [];
			$item->classes[] = 'menu-item-has-children';
			self::$submenu_ids[] = (int) $item->ID;
		}

		parent::start_el($output, $item, $depth, $args, $id);
		$output .= $submenu;
	}

	/**
	 * @param int $item_id
	 */
	public function submenu(int $item_id): string {
		$type = function_exists('aksrt_menu_pz') ? sanitize_key((string) aksrt_menu_pz($item_id, 'submenu_type', '')) : '';
		$method = 'submenu_' . $type;
		if ($type !== '' && method_exists($this, $method)) {
			return (string) $this->$method($item_id);
		}
		return '';
	}

	/**
	 * Graphic card mega menu.
	 */
	public function submenu_graphic_card(int $item_id): string {
		$opts = function_exists('aksrt_menu_pz') ? aksrt_menu_pz($item_id, 'graphic_card_opts', []) : [];
		$opts = is_array($opts) ? $opts : [];
		$items = is_array($opts['items'] ?? null) ? $opts['items'] : [];
		if (!$items) {
			return '';
		}
		$arrangement = (string) ($opts['arrangement'] ?? '');
		$lists = '';
		$i = 0;
		foreach ($items as $item) {
			$item_html = $this->submenu_graphic_card_item(is_array($item) ? $item : []);
			if ($item_html === '') {
				continue;
			}
			$ani = 'style="--ani-delay:' . ($i * 0.05) . 's;"';
			$cls = $arrangement === 'swiper' ? 'swiper-slide' : '';
			$lists .= '<div class="' . esc_attr($cls) . '" ' . $ani . '>' . $item_html . '</div>';
			$i++;
		}
		if ($lists === '') {
			return '';
		}
		$align = (string) ($opts['align'] ?? '');
		$lists_box = '<div class="graphic-card-items-box flex hh' . ($align ? ' ' . esc_attr($align) : '') . '">' . $lists . '</div>';
		if ($arrangement === 'swiper') {
			$lists_box = '<div class="swiper-container swiper-scroll"><div class="swiper-wrapper">'
				. $lists . '</div><div class="swiper-button-prev"></div><div class="swiper-button-next"></div></div>';
		}
		$size = !empty($opts['size']) ? ' size-' . sanitize_key((string) $opts['size']) : '';
		$img_scale = isset($opts['img_scale']) ? (int) $opts['img_scale'] : 0;
		$scale_attr = '';
		if ($img_scale && $img_scale !== 100) {
			$scale_attr = ' style="--img-scale:' . esc_attr((string) round($img_scale / 100, 2)) . ';"';
		}
		return '<div class="sub-menu senior-submenu submenu-graphic-card' . esc_attr($size) . '"' . $scale_attr . '><div class="container">'
			. $lists_box . '</div></div>';
	}

	/**
	 * @param array<string,mixed> $args
	 */
	public function submenu_graphic_card_item(array $args): string {
		if (empty($args['img'])) {
			return '';
		}
		$link_url    = !empty($args['link']['url']) ? esc_url((string) $args['link']['url']) : 'javascript:;';
		$link_title  = (string) ($args['link']['text'] ?? '');
		$link_target = !empty($args['link']['target']) ? ' target="' . esc_attr((string) $args['link']['target']) . '"' : '';
		$title       = (string) ($args['title'] ?? '');
		if ($title === '' && $link_title !== '') {
			$title = $link_title;
		}
		$badge = !empty($args['badge'])
			? '<div class="img-badg-box"><span class="badg badg-sm ' . esc_attr((string) ($args['badge_class'] ?? '')) . '">'
				. esc_html((string) $args['badge']) . '</span></div>'
			: '';
		$img_html = '<div class="img-box hover-zoom-img"><img' . aksrt_get_lazy_attr('lazy_other', (string) $args['img']) . ' alt="">' . $badge . '</div>';
		$title_html = $title !== '' ? '<div class="title mt10 text-ellipsis">' . esc_html($title) . '</div>' : '';
		return '<div class="menu-graphic-card-item"><a href="' . $link_url . '"' . $link_target . '>'
			. $img_html . $title_html . '</a></div>';
	}

	/**
	 * Multi-column links mega menu.
	 */
	public function submenu_multi_column_links(int $item_id): string {
		$opts = function_exists('aksrt_menu_pz') ? aksrt_menu_pz($item_id, 'multi_column_links_opts', []) : [];
		$opts = is_array($opts) ? $opts : [];
		$columns = is_array($opts['columns'] ?? null) ? $opts['columns'] : [];
		if (!$columns) {
			return '';
		}
		$lists = '';
		$i = 1;
		foreach ($columns as $column) {
			if (!is_array($column)) {
				continue;
			}
			$ani = 'style="--ani-delay:' . ($i * 0.08) . 's;"';
			$lists .= '<div class="links-column flex-auto" ' . $ani . '>';
			$lists .= $this->submenu_multi_column_links_item($column, 'column-title');
			$lists .= '<div class="links-items">';
			if (!empty($column['items']) && is_array($column['items'])) {
				foreach ($column['items'] as $item) {
					if (is_array($item)) {
						$lists .= $this->submenu_multi_column_links_item($item, '');
					}
				}
			}
			$lists .= '</div></div>';
			$i++;
		}
		return '<div class="sub-menu senior-submenu submenu-multi-column-links"><div class="container"><div class="links-columns-box flex jsa hh">'
			. $lists . '</div></div></div>';
	}

	/**
	 * @param array<string,mixed> $args
	 */
	public function submenu_multi_column_links_item(array $args, string $class = ''): string {
		$title = (string) ($args['title'] ?? '');
		$link_url = (string) ($args['link']['url'] ?? '');
		$link_title = (string) ($args['link']['text'] ?? '');
		if ($title === '' && $link_title !== '') {
			$title = $link_title;
		}
		if ($title === '') {
			return '';
		}
		$icon = '';
		if (!empty($args['icon']) && function_exists('aksrt_render_menu_icon')) {
			$icon = aksrt_render_menu_icon((string) $args['icon'], true);
		}
		if (!empty($args['img_icon'])) {
			$icon = '<img' . aksrt_get_lazy_attr('lazy_other', (string) $args['img_icon'], 'menu-item-icon mr3 fa-fw') . ' alt="">';
		}
		$title_html = $icon . $title;
		$class = trim(($class ? $class . ' ' : '') . 'link-item');
		if ($link_url !== '') {
			$target = !empty($args['link']['target']) ? ' target="' . esc_attr((string) $args['link']['target']) . '"' : '';
			return '<div class="' . esc_attr($class) . '"><a href="' . esc_url($link_url) . '"' . $target . '>'
				. $title_html . '<i class="fa fas fa-angle-double-right icon-hover-show" aria-hidden="true"></i></a></div>';
		}
		return '<div class="' . esc_attr($class) . '"><a href="javascript:;">' . $title_html . '</a></div>';
	}
}