WordPress/wp-includes/blocks/categories.php
youknowriad 2f27f24191 Block Editor: Include the latest fixes targetted for 5.8 RC1.
It includes:

 - Add a label for screen reader in categories block gutenberg#33060
 - Remove "is-dark-theme" rules from mixins. gutenberg#33058
 - Adjust widget form margins in the new widget editor gutenberg#33040
 - [Block Library - Query Loop]: Select first Query Loop found from pattern selection gutenberg#32737

See #53397.

Built from https://develop.svn.wordpress.org/trunk@51261


git-svn-id: http://core.svn.wordpress.org/trunk@50870 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2021-06-29 15:53:43 +00:00

98 lines
2.6 KiB
PHP

<?php
/**
* Server-side rendering of the `core/categories` block.
*
* @package WordPress
*/
/**
* Renders the `core/categories` block on server.
*
* @param array $attributes The block attributes.
*
* @return string Returns the categories list/dropdown markup.
*/
function render_block_core_categories( $attributes ) {
static $block_id = 0;
$block_id++;
$args = array(
'echo' => false,
'hierarchical' => ! empty( $attributes['showHierarchy'] ),
'orderby' => 'name',
'show_count' => ! empty( $attributes['showPostCounts'] ),
'title_li' => '',
);
if ( ! empty( $attributes['displayAsDropdown'] ) ) {
$id = 'wp-block-categories-' . $block_id;
$args['id'] = $id;
$args['show_option_none'] = __( 'Select Category' );
$wrapper_markup = '<div %1$s><label class="screen-reader-text" for="' . $id . '">' . __( 'Categories' ) . '</label>%2$s</div>';
$items_markup = wp_dropdown_categories( $args );
$type = 'dropdown';
if ( ! is_admin() ) {
// Inject the dropdown script immediately after the select dropdown.
$items_markup = preg_replace(
'#(?<=</select>)#',
build_dropdown_script_block_core_categories( $id ),
$items_markup,
1
);
}
} else {
$wrapper_markup = '<ul %1$s>%2$s</ul>';
$items_markup = wp_list_categories( $args );
$type = 'list';
}
$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => "wp-block-categories-{$type}" ) );
return sprintf(
$wrapper_markup,
$wrapper_attributes,
$items_markup
);
}
/**
* Generates the inline script for a categories dropdown field.
*
* @param string $dropdown_id ID of the dropdown field.
*
* @return string Returns the dropdown onChange redirection script.
*/
function build_dropdown_script_block_core_categories( $dropdown_id ) {
ob_start();
?>
<script type='text/javascript'>
/* <![CDATA[ */
( function() {
var dropdown = document.getElementById( '<?php echo esc_js( $dropdown_id ); ?>' );
function onCatChange() {
if ( dropdown.options[ dropdown.selectedIndex ].value > 0 ) {
location.href = "<?php echo home_url(); ?>/?cat=" + dropdown.options[ dropdown.selectedIndex ].value;
}
}
dropdown.onchange = onCatChange;
})();
/* ]]> */
</script>
<?php
return ob_get_clean();
}
/**
* Registers the `core/categories` block on server.
*/
function register_block_core_categories() {
register_block_type_from_metadata(
__DIR__ . '/categories',
array(
'render_callback' => 'render_block_core_categories',
)
);
}
add_action( 'init', 'register_block_core_categories' );