'toc_widget',
'description' => __( 'Display the table of contents in the sidebar with this widget', 'table-of-contents-plus' ),
];
$control_options = [
'width' => 250,
'height' => 350,
'id_base' => 'toc-widget',
];
parent::__construct( 'toc-widget', 'TOC+', $widget_options, $control_options );
}
/**
* Widget output to the public
*/
public function widget( $args, $instance ) {
global $toc_plus, $wp_query;
if ( is_null( $wp_query->post ) ) {
return;
}
$html = '';
$items = '';
$custom_toc_position = '';
$find = [];
$replace = [];
$toc_options = $toc_plus->get_options();
$post = get_post( $wp_query->post->ID );
$custom_toc_position = strpos( $post->post_content, '[toc]' ); // at this point, shortcodes haven't run yet so we can't search for
if ( $toc_plus->is_eligible( $custom_toc_position ) ) {
$items = $toc_plus->extract_headings( $find, $replace, wptexturize( do_shortcode( $post->post_content ) ) );
$title = ( array_key_exists( 'title', $instance ) ) ? apply_filters( 'widget_title', $instance['title'] ) : '';
if ( false !== strpos( $title, '%PAGE_TITLE%' ) ) {
$title = str_replace( '%PAGE_TITLE%', get_the_title(), $title );
}
if ( false !== strpos( $title, '%PAGE_NAME%' ) ) {
$title = str_replace( '%PAGE_NAME%', get_the_title(), $title );
}
$hide_inline = $toc_options['show_toc_in_widget_only'];
$css_classes = '';
// bullets?
if ( $toc_options['bullet_spacing'] ) {
$css_classes .= ' have_bullets';
} else {
$css_classes .= ' no_bullets';
}
if ( $items ) {
// before widget (defined by themes)
$html .= $args['before_widget'];
// display the widget title if one was input (before and after titles defined by themes)
if ( $title ) {
$html .= $args['before_title'] . $title . $args['after_title'];
}
// display the list
$html .= '
' . $items . '
';
// after widget (defined by themes)
$html .= $args['after_widget'];
echo wp_kses_post( $html );
}
}
}
/**
* Update the widget settings
*/
public function update( $new_instance, $old_instance ) {
global $toc_plus;
$instance = $old_instance;
// strip tags for title to remove HTML (important for text inputs)
$instance['title'] = wp_strip_all_tags( trim( $new_instance['title'] ) );
// no need to strip tags for the following
//$instance['hide_inline'] = $new_instance['hide_inline'];
$toc_plus->set_show_toc_in_widget_only( $new_instance['hide_inline'] );
$toc_plus->set_show_toc_in_widget_only_post_types( (array) $new_instance['show_toc_in_widget_only_post_types'] );
return $instance;
}
/**
* Displays the widget settings on the widget panel.
*/
public function form( $instance ) {
global $toc_plus;
$toc_options = $toc_plus->get_options();
$defaults = [ 'title' => $toc_options['heading_text'] ];
$instance = wp_parse_args( (array) $instance, $defaults );
?>