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wp-content/plugins/table-of-contents-plus/includes/class-toc-widget.php

@@ -0,0 +1,149 @@
+<?php
+
+if ( ! class_exists( 'TOC_Widget' ) ) :
+	class TOC_Widget extends WP_Widget {
+
+		public function __construct() {
+			$widget_options  = [
+				'classname'   => '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 <!--TOC-->
+
+			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 .= '<ul class="toc_widget_list' . $css_classes . '">' . $items . '</ul>';
+
+					// 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 );
+
+			?>
+			<p>
+				<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title', 'table-of-contents-plus' ); ?>:</label>
+				<input type="text" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" style="width: 100%;">
+			</p>
+
+			<p>
+				<input class="checkbox" type="checkbox" <?php checked( $toc_options['show_toc_in_widget_only'], 1 ); ?> id="<?php echo esc_attr( $this->get_field_id( 'hide_inline' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'hide_inline' ) ); ?>" value="1">
+				<label for="<?php echo esc_attr( $this->get_field_id( 'hide_inline' ) ); ?>"> <?php esc_html_e( 'Show the table of contents only in the sidebar', 'table-of-contents-plus' ); ?></label>
+			</p>
+
+			<div class="show_toc_in_widget_only_post_types" style="margin: 0 0 25px 25px; display: <?php echo ( 1 === $toc_options['show_toc_in_widget_only'] ) ? 'block' : 'none'; ?>;">
+				<p><?php esc_html_e( 'For the following content types:', 'table-of-contents-plus' ); ?></p>
+
+			<?php
+			foreach ( get_post_types() as $post_type ) {
+				// make sure the post type isn't on the exclusion list
+				if ( ! in_array( $post_type, $toc_plus->get_exclude_post_types(), true ) ) {
+					echo '<input type="checkbox" value="' . esc_attr( $post_type ) . '" id="' . esc_attr( $this->get_field_id( 'show_toc_in_widget_only_post_types_' . $post_type ) ) . '" name="' . esc_attr( $this->get_field_name( 'show_toc_in_widget_only_post_types' ) ) . '[]"';
+					if ( in_array( $post_type, $toc_options['show_toc_in_widget_only_post_types'], true ) ) {
+						echo ' checked="checked"';
+					}
+					echo ' /><label for="' . esc_attr( $this->get_field_id( 'show_toc_in_widget_only_post_types_' . $post_type ) ) . '"> ' . esc_html( $post_type ) . '</label><br />';
+				}
+			}
+
+			?>
+			</div>
+<script type="text/javascript">
+jQuery(document).ready(function($) {
+	$('#<?php echo esc_js( $this->get_field_id( 'hide_inline' ) ); ?>').click(function() {
+		$(this).parent().siblings('div.show_toc_in_widget_only_post_types').toggle('fast');
+	});
+});
+</script>
+			<?php
+		}
+
+	} // end class
+endif;

wp-content/plugins/table-of-contents-plus/includes/functions.php

@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * Returns a HTML formatted string of the table of contents without the surrounding UL or OL
+ * tags to enable the theme editor to supply their own ID and/or classes to the outer list.
+ *
+ * There are three optional parameters you can feed this function with:
+ *
+ *  - $content is the entire content with headings.  If blank, will default to the current $post
+ *
+ *  - $link is the URL to prefix the anchor with.  If provided a string, will use it as the prefix.
+ *    If set to true then will try to obtain the permalink from the $post object.
+ *
+ *  - $apply_eligibility bool, defaults to false.  When set to true, will apply the check to
+ *    see if bit of content has the prerequisites needed for a TOC, eg minimum number of headings
+ *    enabled post type, etc.
+ */
+function toc_get_index( $content = '', $prefix_url = '', $apply_eligibility = false ) {
+	global $wp_query, $toc_plus;
+
+	$return  = '';
+	$find    = [];
+	$replace = [];
+	$proceed = true;
+
+	if ( ! $content ) {
+		$post    = get_post( $wp_query->post->ID );
+		$content = wptexturize( $post->post_content );
+	}
+
+	if ( $apply_eligibility ) {
+		if ( ! $toc_plus->is_eligible() ) {
+			$proceed = false;
+		}
+	} else {
+		$toc_plus->set_option( [ 'start' => 0 ] );
+	}
+
+	if ( $proceed ) {
+		$return = $toc_plus->extract_headings( $find, $replace, $content );
+		if ( $prefix_url ) {
+			$return = str_replace( 'href="#', 'href="' . $prefix_url . '#', $return );
+		}
+	}
+
+	return $return;
+}

wp-content/plugins/table-of-contents-plus/includes/globals.php

@@ -0,0 +1,26 @@
+<?php
+
+define( 'TOC_VERSION', '2309' );
+define( 'TOC_POSITION_BEFORE_FIRST_HEADING', 1 );
+define( 'TOC_POSITION_TOP', 2 );
+define( 'TOC_POSITION_BOTTOM', 3 );
+define( 'TOC_POSITION_AFTER_FIRST_HEADING', 4 );
+define( 'TOC_MIN_START', 2 );
+define( 'TOC_MAX_START', 10 );
+define( 'TOC_SMOOTH_SCROLL_OFFSET', 30 );
+define( 'TOC_WRAPPING_NONE', 0 );
+define( 'TOC_WRAPPING_LEFT', 1 );
+define( 'TOC_WRAPPING_RIGHT', 2 );
+define( 'TOC_THEME_GREY', 1 );
+define( 'TOC_THEME_LIGHT_BLUE', 2 );
+define( 'TOC_THEME_WHITE', 3 );
+define( 'TOC_THEME_BLACK', 4 );
+define( 'TOC_THEME_TRANSPARENT', 99 );
+define( 'TOC_THEME_CUSTOM', 100 );
+define( 'TOC_DEFAULT_BACKGROUND_COLOUR', '#f9f9f9' );
+define( 'TOC_DEFAULT_BORDER_COLOUR', '#aaaaaa' );
+define( 'TOC_DEFAULT_TITLE_COLOUR', '#' );
+define( 'TOC_DEFAULT_LINKS_COLOUR', '#' );
+define( 'TOC_DEFAULT_LINKS_HOVER_COLOUR', '#' );
+define( 'TOC_DEFAULT_LINKS_VISITED_COLOUR', '#' );
+define( 'TOC_PLUGIN_PATH', plugins_url( '', __DIR__ ) );

wp-content/plugins/table-of-contents-plus/includes/init.php

@@ -0,0 +1,9 @@
+<?php
+
+require_once __DIR__ . '/globals.php';
+require_once __DIR__ . '/class-toc-plus.php';
+require_once __DIR__ . '/class-toc-widget.php';
+require_once __DIR__ . '/functions.php';
+
+// do the magic
+$toc_plus = new TOC_Plus();