attributes ) {
$block_type->attributes = array();
}
if ( ! array_key_exists( 'layout', $block_type->attributes ) ) {
$block_type->attributes['layout'] = array(
'type' => 'object',
);
}
}
}
/**
* Renders the layout config to the block wrapper.
*
* @since 5.8.0
* @access private
*
* @param string $block_content Rendered block content.
* @param array $block Block object.
* @return string Filtered block content.
*/
function wp_render_layout_support_flag( $block_content, $block ) {
$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
$support_layout = block_has_support( $block_type, array( '__experimentalLayout' ), false );
if ( ! $support_layout || ! isset( $block['attrs']['layout'] ) ) {
return $block_content;
}
$used_layout = $block['attrs']['layout'];
if ( isset( $used_layout['inherit'] ) && $used_layout['inherit'] ) {
$tree = WP_Theme_JSON_Resolver::get_merged_data();
$default_layout = _wp_array_get( $tree->get_settings(), array( 'layout' ) );
if ( ! $default_layout ) {
return $block_content;
}
$used_layout = $default_layout;
}
$id = uniqid();
$content_size = isset( $used_layout['contentSize'] ) ? $used_layout['contentSize'] : null;
$wide_size = isset( $used_layout['wideSize'] ) ? $used_layout['wideSize'] : null;
$all_max_width_value = $content_size ? $content_size : $wide_size;
$wide_max_width_value = $wide_size ? $wide_size : $content_size;
// Make sure there is a single CSS rule, and all tags are stripped for security.
$all_max_width_value = safecss_filter_attr( explode( ';', $all_max_width_value )[0] );
$wide_max_width_value = safecss_filter_attr( explode( ';', $wide_max_width_value )[0] );
$style = '';
if ( $content_size || $wide_size ) {
$style = ".wp-container-$id > * {";
$style .= 'max-width: ' . esc_html( $all_max_width_value ) . ';';
$style .= 'margin-left: auto !important;';
$style .= 'margin-right: auto !important;';
$style .= '}';
$style .= ".wp-container-$id > .alignwide { max-width: " . esc_html( $wide_max_width_value ) . ';}';
$style .= ".wp-container-$id .alignfull { max-width: none; }";
}
$style .= ".wp-container-$id .alignleft { float: left; margin-right: 2em; }";
$style .= ".wp-container-$id .alignright { float: right; margin-left: 2em; }";
// This assumes the hook only applies to blocks with a single wrapper.
// I think this is a reasonable limitation for that particular hook.
$content = preg_replace(
'/' . preg_quote( 'class="', '/' ) . '/',
'class="wp-container-' . $id . ' ',
$block_content,
1
);
return $content . '';
}
// Register the block support.
WP_Block_Supports::get_instance()->register(
'layout',
array(
'register_attribute' => 'wp_register_layout_support',
)
);
add_filter( 'render_block', 'wp_render_layout_support_flag', 10, 2 );
/**
* For themes without theme.json file, make sure
* to restore the inner div for the group block
* to avoid breaking styles relying on that div.
*
* @since 5.8.0
* @access private
*
* @param string $block_content Rendered block content.
* @param array $block Block object.
*
* @return string Filtered block content.
*/
function wp_restore_group_inner_container( $block_content, $block ) {
$group_with_inner_container_regex = '/(^\s*]*wp-block-group(\s|")[^>]*>)(\s*]*wp-block-group__inner-container(\s|")[^>]*>)((.|\S|\s)*)/';
if (
'core/group' !== $block['blockName'] ||
WP_Theme_JSON_Resolver::theme_has_support() ||
1 === preg_match( $group_with_inner_container_regex, $block_content )
) {
return $block_content;
}
$replace_regex = '/(^\s*]*wp-block-group[^>]*>)(.*)(<\/div>\s*$)/ms';
$updated_content = preg_replace_callback(
$replace_regex,
function( $matches ) {
return $matches[1] . '' . $matches[2] . '
' . $matches[3];
},
$block_content
);
return $updated_content;
}
add_filter( 'render_block', 'wp_restore_group_inner_container', 10, 2 );