Using Nested Categories?

ReddFour · 05-26-2016, 08:26 AM

I am trying to setup nested categories in Calibre. I used this guide:

https://team3eng577.wordpress.com/ca...ries-and-tags/

This works well but then I cannot work out how I am supposed to add books to the sub categories. There just doesn't seem to be an option and drag and drop doesn't work.

So I then found this guide which does it in a very different way:

https://manual.calibre-ebook.com/sub_groups.html

This seems to work okay but it is a bit of a pain the way you have to manually enter new sub categories as category.subcat.subcat.{etc}
Also I prefer the first method as you can change the icon of each sub category whereas the second method you don't seem to be able to do this.

Which is the preferred method? Also, how do you add books to the first method?

The second method also explains at the end how to maintain these groups when saving to device or disk which I would definitely want to do. Can the same be achieved with the first method?

eschwartz · 05-26-2016, 10:00 AM

The answer to your question is that categories are not the same thing as tags.

A user category groups together multiple Tag Browser elements as a single element... relying on existing elements visible in the Tag Browser.
It has nothing do do with what you want.

Hierarchical tags are what you want. Simply add the appropriate multi-level tag to the book in order to add it to the sub-tag.
You can also drag-and-drop them onto the Tag Browser.

05-26-2016, 08:26 AM	#1
ReddFour Member Posts: 12 Karma: 10 Join Date: Jun 2015 Device: Kobo H2O	Using Nested Categories? I am trying to setup nested categories in Calibre. I used this guide: https://team3eng577.wordpress.com/ca...ries-and-tags/ This works well but then I cannot work out how I am supposed to add books to the sub categories. There just doesn't seem to be an option and drag and drop doesn't work. So I then found this guide which does it in a very different way: https://manual.calibre-ebook.com/sub_groups.html This seems to work okay but it is a bit of a pain the way you have to manually enter new sub categories as category.subcat.subcat.{etc} Also I prefer the first method as you can change the icon of each sub category whereas the second method you don't seem to be able to do this. Which is the preferred method? Also, how do you add books to the first method? The second method also explains at the end how to maintain these groups when saving to device or disk which I would definitely want to do. Can the same be achieved with the first method? Last edited by ReddFour; 05-26-2016 at 08:48 AM.

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05-26-2016, 10:00 AM	#2
eschwartz Ex-Helpdesk Junkie Posts: 19,422 Karma: 85397180 Join Date: Nov 2012 Location: The Beaten Path, USA, Roundworld, This Side of Infinity Device: Kindle Touch fw5.3.7 (Wifi only)	The answer to your question is that categories are not the same thing as tags. A user category groups together multiple Tag Browser elements as a single element... relying on existing elements visible in the Tag Browser. It has nothing do do with what you want. Hierarchical tags are what you want. Simply add the appropriate multi-level tag to the book in order to add it to the sub-tag. You can also drag-and-drop them onto the Tag Browser.

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