'widget_categories', 'description' => __( 'A list or dropdown of categories.' ), 'customize_selective_refresh' => true, ); parent::__construct( 'categories', __( 'Categories' ), $widget_ops ); } /** * Outputs the content for the current Categories widget instance. * * @since 2.8.0 * * @staticvar bool $first_dropdown * * @param array $args Display arguments including 'before_title', 'after_title', * 'before_widget', and 'after_widget'. * @param array $instance Settings for the current Categories widget instance. */ public function widget( $args, $instance ) { static $first_dropdown = true; $title = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Categories' ); /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); $count = ! empty( $instance['count'] ) ? '1' : '0'; $hierarchical = ! empty( $instance['hierarchical'] ) ? '1' : '0'; $dropdown = ! empty( $instance['dropdown'] ) ? '1' : '0'; echo $args['before_widget']; if ( $title ) { echo $args['before_title'] . $title . $args['after_title']; } $cat_args = array( 'orderby' => 'name', 'show_count' => $count, 'hierarchical' => $hierarchical, ); if ( $dropdown ) { echo sprintf( '
', esc_url( home_url() ) ); $dropdown_id = ( $first_dropdown ) ? 'cat' : "{$this->id_base}-dropdown-{$this->number}"; $first_dropdown = false; echo ''; $cat_args['show_option_none'] = __( 'Select Category' ); $cat_args['id'] = $dropdown_id; /** * Filters the arguments for the Categories widget drop-down. * * @since 2.8.0 * @since 4.9.0 Added the `$instance` parameter. * * @see wp_dropdown_categories() * * @param array $cat_args An array of Categories widget drop-down arguments. * @param array $instance Array of settings for the current widget. */ wp_dropdown_categories( apply_filters( 'widget_categories_dropdown_args', $cat_args, $instance ) ); echo '
'; $type_attr = current_theme_supports( 'html5', 'script' ) ? '' : ' type="text/javascript"'; ?> > /* " ); function onCatChange() { if ( dropdown.options[ dropdown.selectedIndex ].value > 0 ) { dropdown.parentNode.submit(); } } dropdown.onchange = onCatChange; })(); /* ]]> */ '' ) ); $count = isset( $instance['count'] ) ? (bool) $instance['count'] : false; $hierarchical = isset( $instance['hierarchical'] ) ? (bool) $instance['hierarchical'] : false; $dropdown = isset( $instance['dropdown'] ) ? (bool) $instance['dropdown'] : false; ?>

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