Author: António Andrade
by antonioandra.de on WordPress.org
Handles naming of each post page through a TinyMCE button and produces a Table of Contents for the said post.

The TinyMCE button.
WP Table of Paginated Contents handles naming of each post page and produces a Table of Contents.
It uses the native  tag but adds a shortcode to store section titles.
Check the screenshots for a clearer idea.
Features:
- Naming of each post page;
 - Output or generation of a Table of Contents (using a list or a drop down menu);
 - Output or generation of next/prev post pages navigation, using the section titles.
 
Suggestions are welcome and please report any bugs found!
Usage
This plugin provides two main methods to be used within the loop (https://codex.wordpress.org/The_Loop).
To echo the table of contents:
To echo the next/prev navigation links:
Usage Examples
To output the Table of Contents use the following snippet, inside your post loop:
Alternatively you may output the Table of Contents as a drop down menu using the snippet:
To output a next/prev navigation with the section titles, use the following snippet, inside your post loop:
To store the output of these functions prefix them with “get_”, like in:
    get_wptopc()
or
    get_wptopc_pagination_links()