104 lines
2.6 KiB
PHP
104 lines
2.6 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* Server-side rendering of the `core/categories` block.
|
||
|
|
*
|
||
|
|
* @package gutenberg
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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++;
|
||
|
|
|
||
|
|
$align = 'center';
|
||
|
|
if ( isset( $attributes['align'] ) && in_array( $attributes['align'], array( 'left', 'right', 'full' ), true ) ) {
|
||
|
|
$align = $attributes['align'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$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', 'gutenberg' );
|
||
|
|
$wrapper_markup = '<div class="%1$s">%2$s</div>';
|
||
|
|
$items_markup = wp_dropdown_categories( $args );
|
||
|
|
$type = 'dropdown';
|
||
|
|
|
||
|
|
if ( ! is_admin() ) {
|
||
|
|
$wrapper_markup .= build_dropdown_script_block_core_categories( $id );
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$wrapper_markup = '<ul class="%1$s">%2$s</ul>';
|
||
|
|
$items_markup = wp_list_categories( $args );
|
||
|
|
$type = 'list';
|
||
|
|
}
|
||
|
|
|
||
|
|
$class = "wp-block-categories wp-block-categories-{$type} align{$align}";
|
||
|
|
|
||
|
|
if ( isset( $attributes['className'] ) ) {
|
||
|
|
$class .= ' ' . $attributes['className'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$block_content = sprintf(
|
||
|
|
$wrapper_markup,
|
||
|
|
esc_attr( $class ),
|
||
|
|
$items_markup
|
||
|
|
);
|
||
|
|
|
||
|
|
return $block_content;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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(
|
||
|
|
'core/categories',
|
||
|
|
array(
|
||
|
|
'render_callback' => 'render_block_core_categories',
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
add_action( 'init', 'register_block_core_categories' );
|