47 lines
1.5 KiB
PHP
47 lines
1.5 KiB
PHP
<?php
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/**
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* Docs Mode: Document Tree
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*
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* 文档模式树形导航：递归展示文档层级结构。
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*
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* @package AKSRT
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*/
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defined('ABSPATH') || exit;
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if (!function_exists('aksrt_render_doc_tree')) {
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function aksrt_render_doc_tree($parent_id, $current_id, $depth = 0) {
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$children = get_pages([
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'parent' => $parent_id,
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'sort_column' => 'menu_order, post_title',
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'sort_order' => 'ASC',
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]);
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if (empty($children)) return;
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$indent = str_repeat(' ', $depth);
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echo $indent . '<ul class="aksrt-doc-tree__level aksrt-doc-tree__level--' . esc_attr((string) ($depth + 1)) . '">';
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foreach ($children as $child) {
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$is_current = ($child->ID === $current_id);
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$has_children = (int) get_pages(['child_of' => $child->ID, 'parent' => $child->ID, 'hide_empty' => true, 'fields' => 'ids']) > 0;
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echo $indent . ' <li class="aksrt-doc-tree__item' . ($is_current ? ' is-current' : '') . '">';
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echo '<a href="' . esc_url(get_permalink($child->ID)) . '">' . esc_html($child->post_title) . '</a>';
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if ($has_children && $depth < 3) {
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aksrt_render_doc_tree($child->ID, $current_id, $depth + 1);
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}
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echo '</li>';
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}
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echo $indent . '</ul>';
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}
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}
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$current_id = get_the_ID();
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$root_id = wp_get_post_parent_id($current_id) ?: $current_id;
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?>
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<nav class="aksrt-doc-tree" aria-label="<?php esc_attr_e('文档树', 'aksrt'); ?>">
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<div class="aksrt-doc-tree__root">
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<a href="<?php echo esc_url(get_permalink($root_id)); ?>"><?php echo esc_html(get_the_title($root_id)); ?></a>
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</div>
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<?php aksrt_render_doc_tree($root_id, $current_id); ?>
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</nav>
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