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<?php |
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|
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namespace Extendify\QuickEdit\Schemas; |
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|
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defined('ABSPATH') || die('No direct access.'); |
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|
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class Cover implements Schema |
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{ |
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public function fields(): array |
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{ |
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return [ |
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[ |
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'key' => 'background', |
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'control' => 'image', |
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'label' => __('Background image', 'extendify-local'), |
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], |
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]; |
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} |
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|
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public function apply(array $block, string $fieldKey, $value): array |
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{ |
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if ($fieldKey !== 'background' || !is_array($value)) { |
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return $block; |
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} |
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|
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$id = isset($value['id']) ? (int) $value['id'] : null; |
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|
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// Mirror of Image::apply — a positive id must be a real image |
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// attachment, and the server-derived URL wins over the client's. |
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if ($id !== null && $id > 0) { |
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if (!wp_attachment_is_image($id)) { |
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return $block; |
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} |
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$url = wp_get_attachment_image_url($id, 'full') ?: null; |
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} else { |
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$url = isset($value['url']) ? esc_url_raw((string) $value['url']) : null; |
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} |
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if (!$url) { |
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return $block; |
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} |
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|
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$attrs = $block['attrs'] ?? []; |
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$attrs['url'] = $url; |
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if ($id !== null && $id > 0) { |
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$attrs['id'] = $id; |
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} else { |
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unset($attrs['id']); |
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} |
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unset($attrs['hasParallax']); |
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$block['attrs'] = $attrs; |
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|
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// Patch the string chunks in innerContent — NOT innerHTML. innerContent |
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// for a cover with inner blocks is `[wrapper_open, null, wrapper_close]`; |
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// those nulls map to innerBlocks at serialize time. Stuffing innerHTML |
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// into [0] closes the wrapper early and the inner blocks land outside |
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// the cover, vanishing from __inner-container. |
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// Color-only / video covers don't have an image-background <img>; |
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// skip rather than synthesizing one. |
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$innerContent = $block['innerContent'] ?? []; |
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foreach ($innerContent as $i => $chunk) { |
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if (!is_string($chunk)) { |
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continue; |
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} |
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$tp = new \WP_HTML_Tag_Processor($chunk); |
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$patched = false; |
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while ($tp->next_tag('img')) { |
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$cls = (string) ($tp->get_attribute('class') ?? ''); |
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if (str_contains($cls, 'wp-block-cover__image-background')) { |
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$tp->set_attribute('src', $url); |
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if ($id === null || $id <= 0) { |
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$tp->remove_attribute('srcset'); |
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$tp->remove_attribute('sizes'); |
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} |
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|
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// Gutenberg's core/cover save() derives the wp-image-{id} |
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// class from attrs.id; mismatch trips the block validator. |
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$newCls = trim((string) preg_replace( |
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'/\bwp-image-\d+\b/', |
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'', |
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$cls |
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)); |
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if ($id !== null && $id > 0) { |
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$newCls = trim($newCls . ' wp-image-' . $id); |
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} |
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$newCls = (string) preg_replace('/\s{2,}/', ' ', $newCls); |
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$tp->set_attribute('class', $newCls); |
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|
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$patched = true; |
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break; |
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} |
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} |
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if ($patched) { |
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$patchedChunk = $tp->get_updated_html(); |
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$patchedChunk = $this->stripImportMarker($patchedChunk, 'div'); |
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$innerContent[$i] = $patchedChunk; |
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$block['innerContent'] = $innerContent; |
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// Inspection-only; the serializer rebuilds innerHTML from innerContent. |
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$block['innerHTML'] = implode('', array_map( |
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static fn($c) => is_string($c) ? $c : '', |
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$innerContent |
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)); |
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break; |
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} |
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} |
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|
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return $block; |
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} |
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|
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// Mirror of Image::stripImportMarker. |
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private function stripImportMarker(string $html, string $tagName): string |
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{ |
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$tp = new \WP_HTML_Tag_Processor($html); |
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if (!$tp->next_tag($tagName)) { |
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return $html; |
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} |
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if (!$tp->has_class('extendify-image-import')) { |
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return $html; |
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} |
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$tp->remove_class('extendify-image-import'); |
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return $tp->get_updated_html(); |
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} |
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} |
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|
