编辑文件 - wp-walker.php

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路径: /home/h359620/public_html/wp-content/themes/datis/inc/includes/wp-walker.php
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<?php

if (!defined('ABSPATH')) {
    exit;
}

if (!class_exists('Datis_Walker')) {

class Datis_Walker extends \Walker_Nav_Menu
    {
        private static $instance;

private function __construct()
        {
            $this->init_hooks();
        }

private function init_hooks()
        {
            add_action('wp_nav_menu_item_custom_fields', array($this, 'add_menu_item_icon_fields'), 10, 4);
            add_action('wp_update_nav_menu_item', array($this, 'save_menu_item_icon_fields'), 10, 3);
            add_action('admin_enqueue_scripts', array($this, 'enqueue_datis_menu_script'));
        }

public function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0)
        {
            $classes = empty($item->classes) ? array() : (array) $item->classes;
            $classes[] = 'menu-item-' . $item->ID;

$template_id = get_post_meta($item->ID, '_menu_item_elementor_template', true);
            $is_mega_menu = !empty($template_id);
            if ($is_mega_menu) {
                $classes[] = 'datis-mega-menu';
            }

$post_id = $item->object_id;
            $data_menu_id = 'data-menu-id="' . esc_attr($post_id) . '"';

$class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item, $args));
            $class_names = $class_names ? ' class="' . esc_attr($class_names) . '"' : '';

$id = apply_filters('nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args);
            $id = $id ? ' id="' . esc_attr($id) . '"' : '';

$output .= '<li' . $id . $class_names . ' ' . $data_menu_id . '>';

// -------------------------
            // ✅ Attributes (NOW href always exists if URL exists)
            // -------------------------
            $atts = array();
            $atts['title']  = !empty($item->attr_title) ? $item->attr_title : '';
            $atts['target'] = !empty($item->target)     ? $item->target     : '';
            $atts['rel']    = !empty($item->xfn)        ? $item->xfn        : '';

// ✅ allow href also for mega menus
            $atts['href']   = !empty($item->url) ? $item->url : '';

$atts = apply_filters('nav_menu_link_attributes', $atts, $item, $args);

$attributes = '';
            foreach ($atts as $attr => $value) {
                if (!empty($value)) {
                    $value = ('href' === $attr) ? esc_url($value) : esc_attr($value);
                    $attributes .= ' ' . $attr . '="' . $value . '"';
                }
            }

$title = apply_filters('the_title', $item->title, $item->ID);

$svg_icon = get_post_meta($item->ID, '_menu_item_svg_icon', true);
            $fa_icon  = get_post_meta($item->ID, '_menu_item_fa_icon', true);

$item_output = $args->before;

// ✅ Always render <a> even for mega menu
            $item_output .= '<a' . $attributes . ' class="menu-link">';

// Icons
            if ($svg_icon) {
                $svg_path = ABSPATH . str_replace(site_url(), '', $svg_icon);
                if (file_exists($svg_path)) {
                    $svg_content = file_get_contents($svg_path);
                    $item_output .= '<span class="menu-icon svg-icon">' . $svg_content . '</span>';
                } else {
                    $item_output .= '<img src="' . esc_url($svg_icon) . '" alt="' . esc_attr($title) . '" class="menu-icon fallback-svg-icon" />';
                }
            } elseif ($fa_icon) {
                $item_output .= '<i class="' . esc_attr($fa_icon) . ' menu-icon fa-icon"></i>';
            }

// Title + child indicator
            if (in_array('menu-item-has-children', $classes)) {
                $item_output .= '<div class="menu-text-wrapper">';
                $item_output .= $args->link_before . $title . $args->link_after;

$item_output .= '<span class="submenu-icon" aria-hidden="true">';
                $item_output .= '<svg width="22" height="22" viewBox="0 0 18 18" fill="none" xmlns="http://www.w3.org/2000/svg">';
                $item_output .= '<path d="M14.25 6.75L9 11.25L7.6875 10.125M3.75 6.75L5.5 8.25" stroke="currentColor" stroke-opacity="1" stroke-width="1.125" stroke-linecap="round" stroke-linejoin="round"/>';
                $item_output .= '</svg>';
                $item_output .= '</span>';

$item_output .= '</div>';
            } else {
                $item_output .= $args->link_before . $title . $args->link_after;
            }

$item_output .= '</a>';

// ✅ Mega menu toggle icon (button) – does NOT steal the link click
            if ($is_mega_menu) {
                $item_output .= '<button type="button" class="mega-menu-icon" aria-expanded="false" aria-label="' . esc_attr__('Open menu', 'datis') . '">';
                $item_output .= '<svg width="22" height="22" viewBox="0 0 18 18" fill="none" xmlns="http://www.w3.org/2000/svg">';
                $item_output .= '<path d="M14.25 6.75L9 11.25L7.6875 10.125M3.75 6.75L5.5 8.25" stroke="currentColor" stroke-opacity="1" stroke-width="1.125" stroke-linecap="round" stroke-linejoin="round"></path>';
                $item_output .= '</svg>';
                $item_output .= '</button>';
            }

$item_output .= $args->after;

$output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);

// Mega menu content
            if ($is_mega_menu) {
                $output .= '<div class="datis-megamenu-wrapper">';
                $output .= \Elementor\Plugin::$instance->frontend->get_builder_content_for_display($template_id);
                $output .= '</div>';
            }
        }

function add_menu_item_icon_fields($item_id, $item, $depth, $args)
        {
            $svg_icon = get_post_meta($item_id, '_menu_item_svg_icon', true);
            $fa_icon = get_post_meta($item_id, '_menu_item_fa_icon', true);
            $template_id = get_post_meta($item_id, '_menu_item_elementor_template', true);
            $templates = get_posts([
                'post_type' => 'elementor_library',
                'numberposts' => -1,
                'post_status' => 'publish'
            ]);
?>
            <p class="description description-wide">
                <label for="edit-menu-item-svg-icon-<?php echo esc_attr($item_id); ?>">
                    <?php esc_html_e('SVG Icon URL', 'datis'); ?><br>
                    <input type="text" id="edit-menu-item-svg-icon-<?php echo esc_attr($item_id); ?>" class="widefat code edit-menu-item-svg-icon" name="menu-item-svg-icon[<?php echo esc_attr($item_id); ?>]" value="<?php echo esc_attr($svg_icon); ?>" />
                    <button type="button" class="button button-secondary select-svg-icon"><?php esc_html_e('Select SVG', 'datis'); ?></button>
                </label>
            </p>
            <p class="description description-wide">
                <label for="edit-menu-item-fa-icon-<?php echo esc_attr($item_id); ?>">
                    <?php esc_html_e('Font Awesome Icon Class', 'datis'); ?><br>
                    <input type="text" id="edit-menu-item-fa-icon-<?php echo esc_attr($item_id); ?>" class="widefat code edit-menu-item-fa-icon" name="menu-item-fa-icon[<?php echo esc_attr($item_id); ?>]" value="<?php echo esc_attr($fa_icon); ?>" />
                    <button type="button" class="button button-secondary select-fa-icon"><?php esc_html_e('Select Icon', 'datis'); ?></button>
                </label>
            </p>
            <p class="description description-wide">
                <label for="edit-menu-item-elementor-template-<?php echo esc_attr($item_id); ?>">
                    <?php esc_html_e('Elementor Template for Megamenu', 'datis'); ?><br>
                    <select name="menu-item-elementor-template[<?php echo esc_attr($item_id); ?>]" class="widefat">
                        <option value=""><?php esc_html_e('— Select Template —', 'datis'); ?></option>
                        <?php foreach ($templates as $template) : ?>
                            <option value="<?php echo esc_attr($template->ID); ?>" <?php selected($template_id, $template->ID); ?>>
                                <?php echo esc_html($template->post_title); ?>
                            </option>
                        <?php endforeach; ?>
                    </select>
                </label>
            </p>
<?php
        }

function save_menu_item_icon_fields($menu_id, $menu_item_db_id, $args)
        {
            if (isset($_POST['menu-item-svg-icon'][$menu_item_db_id])) {
                $sanitized_svg = sanitize_text_field($_POST['menu-item-svg-icon'][$menu_item_db_id]);
                update_post_meta($menu_item_db_id, '_menu_item_svg_icon', $sanitized_svg);
            } else {
                delete_post_meta($menu_item_db_id, '_menu_item_svg_icon');
            }

if (isset($_POST['menu-item-fa-icon'][$menu_item_db_id])) {
                $sanitized_fa_icon = sanitize_text_field($_POST['menu-item-fa-icon'][$menu_item_db_id]);
                update_post_meta($menu_item_db_id, '_menu_item_fa_icon', $sanitized_fa_icon);
            } else {
                delete_post_meta($menu_item_db_id, '_menu_item_fa_icon');
            }

if (isset($_POST['menu-item-elementor-template'][$menu_item_db_id])) {
                $template_id = absint($_POST['menu-item-elementor-template'][$menu_item_db_id]);
                update_post_meta($menu_item_db_id, '_menu_item_elementor_template', $template_id);
            } else {
                delete_post_meta($menu_item_db_id, '_menu_item_elementor_template');
            }
        }

function enqueue_datis_menu_script($hook)
        {
            if ($hook != 'nav-menus.php') {
                return;
            }
            wp_enqueue_media();
            wp_enqueue_script('datis-menu-script', DATIS_URI . '/assets/js/menu-script.js', array(), null, true);
        }

public static function get_instance()
        {
            if (is_null(self::$instance)) {
                self::$instance = new self();
            }
            return self::$instance;
        }
    }

Datis_Walker::get_instance();
}

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