actuel-inactuel/site/plugins/toc/index.php
isUnknown b724ed1244 toc : add h4 support with nested structure and fix anchors in non-block mode
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-27 19:18:32 +01:00

62 lines
1.8 KiB
PHP

<?php
const HEADING_PATTERN = '/<(h[34])(.*?)>(.*?)<\/\1>/';
function getContent($page) {
if ($page->intendedTemplate() == 'grid') return $page->body()->toBlocks();
if ($page->intendedTemplate() == 'linear') {
if ($page->isBlockMode()->isTrue()) return $page->bodyBlocks()->toBlocks();
if ($page->isBlockMode()->isFalse()) return $page->body();
}
return null;
}
function getTocContent($page) {
if (!$page->parent()?->parent()?->is('textes')) return null;
$content = (string) getContent($page);
return $content ?: null;
}
Kirby::plugin('actuel-inactuel/toc', [
'pageMethods' => [
'hasToc' => function(): bool {
return count($this->tocItems()) > 0;
},
'tocItems' => function(): array {
$content = getTocContent($this);
if (!$content) return [];
preg_match_all(HEADING_PATTERN, $content, $matches, PREG_SET_ORDER);
$items = [];
foreach ($matches as $m) {
$entry = ['title' => $m[3], 'slug' => Str::slug($m[3])];
if ($m[1] === 'h3') {
$entry['children'] = [];
$items[] = $entry;
} elseif ($m[1] === 'h4' && count($items) > 0) {
$items[count($items) - 1]['children'][] = $entry;
}
}
return $items;
},
'bodyWithAnchors' => function(): string {
$content = getTocContent($this);
if (!$content) return '';
return preg_replace_callback(
HEADING_PATTERN,
fn($m) => '<' . $m[1] . ' id="' . Str::slug($m[3]) . '"' . $m[2] . '>' . $m[3] . '</' . $m[1] . '>',
$content
);
}
]
]);