Tags in custom extension (ucm?)

[Bakual]

I'm struggling a bit with trying to implement the new tag system into my component.

I was using https://github.com/elinw/joomla-cms/wiki/Using-tags-in-an-extension as a guide but it seems to be lacking some information (I guess?).

 

I was successful in adding the tags to my form and can add, edit and delete tags. This works fine using JHelperTags (instead of JTags like in doc).

I also add the (hopefully correct) contenttype to the #__content_types table during extension installation.

 

However when I try it with the similar tags module, I get a very interesting result. I see entries for my extension with a link to my item, but the title and alias of the item is somehow taken from a weblink, which obviously is wrong.

 

So I dived into the database to see what is going on and saw that in the #__contentitem_tag_map I have the entries for my tagged items, but with a "core_content_id" value of "1". Digging deeper I found that these field probably links to #__ucm_base or #__ucm_content or both. But those tables don't have any entry for my tagged items and the value "1" links to a weblink item in my case.

 

So maybe someone can shed some light on the purpose of those tables in general and how I get my tagged items into it. I'm sure I miss something somewhere.

[Chad Windnagle]

Hi, I'm not sure about your implementation (I don't know enough about tags currently to comment),  but did you see this article? 

http://magazine.joomla.org/issues/issue-apr-2103/item/1225-joomla-tag-field

Maybe it'll help. 

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[Bakual]

I saw this artictle and it is great. But it only covers the formfield, it doesn't say anything about how to store it in the database.

[Bakual]

While digging into this, I found a bug which prevents JUcmContent to construct from the alias alone.

Tracker: http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=30584

PR: https://github.com/joomla/joomla-cms/pull/991