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| function mytheme_register_image_block_render_callback($args, $name)
{
if ($name === 'core/image') {
$args['render_callback'] = 'mytheme_render_image_photoswipe';
}
return $args;
}
/**
* Add extra attributes to the large image link so that Photoswipe
* can scale the images correctly
*/
function mytheme_render_image_photoswipe($attributes, $content, $block)
{
if ($attributes['linkDestination'] != 'media'
|| !isset($attributes['id'])
|| $attributes['id'] === ''
) {
return $content;
}
$img_meta = wp_get_attachment_metadata($attributes['id']);
if ($img_meta === false) {
return $content;
}
$newAttrs = 'data-pswp-width="' . $img_meta['width'] . '"'
. ' data-pswp-height="' . $img_meta['height'] . '"';
$content = str_replace('<a ', '<a ' . $newAttrs . ' ', $content);
return $content;
}
add_filter(
'register_block_type_args',
'mytheme_register_image_block_render_callback', 10, 2
);
|
