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Viewing changes to wp-includes/blocks/categories.php

  • Committer: Barry Price
  • Date: 2018-12-12 05:08:33 UTC
  • mfrom: (1.2.8 upstream)
  • Revision ID: barry.price@canonical.com-20181212050833-y090hmrbmlxy37aa
Merge WP5.0 from upstream

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