I want to have the content of a multiline or WYSIWYG custom field (any would do) display only a certain amount of lines inside a taxonomy archive page with a link to show more that expands the full field view on click.
Example behavior:
hidden link hidden link - see the show more button for What you'll learn - this is a much better user experience with that blur effect.
This can probably be done without a plugin but there are also a few plugins doing it like the one above.
I don't know what tech or tool is needed to do this, especially the blur style effect.
If the plugin is the way you'd recommend to work with Toolset, the problem I have is wrapping part of the multiline or WYSIWYG custom field starting at line X, or after x characters or x pixels (any would do) with the shortcode.
Is there any documentation that you are following?
No
Is there a similar example that we can see? hidden link hidden link - see the show more button for What you'll learn
As you are aware this isn't something that you can do with Toolset only. Though the wpstackable plugin appears to do exactly what you need, you should be able to do this with some custom Javascript as well.
Have a look at the tutorial that I was able to find below. hidden link