[wp-hackers] hierarchical custom taxonomies vs good & old cats.

William Davis will.davis at gmail.com
Fri Dec 17 04:59:00 UTC 2010

Haluk, I would recommend custom taxonomies (http://codex.wordpress.org/Custom_Taxonomies 
) Use a custom taxonomy fruit, a custom taxonomy devices, etc.

On Dec 16, 2010, at 4:10 PM, Otto wrote:

> On Thu, Dec 16, 2010 at 2:50 PM, Haluk Karamete <halukkaramete at gmail.com 
> > wrote:
>> No Nacin, That wasn't what I was referring to. sorry it wasn't
>> clear... here is the attemp2...
>> Tags ( the built-in tag's I'm taking about ) is open ended. If I
>> create a tag called say "apple", there is no context. Is it the
>> computer apple? Is it the fruit apple? But If were to create
>> taxonomies "fruits" and "computers",  I would have had the choice of
>> inserting the word "apple" under the fruits taxonomy without mixing
>> and matching, well, apples and oranges. ( what a confusing expression
>> to refer to. )
>> So, when I create a tag cloud for the fruits taxonomy, clicking on  
>> the
>> word "apple" under the fruits cloud , that click woud never pull the
>> Apple inc. stuff.  but, that's old business, the non-hier taxonomies
>> already allow you to do this.
>> So where is the problem?
>> The problem is, that i lose all that power if I were choose to
>> configure the fruits taxonomy to be as hierarchical.
>> Because with a hierarchical taxonomy, I no longer add the word
>> "apple", the same way I did with the non-hierarchical case. At this
>> point, my two options are either to add the "apple" into the tags
>> taxonomy as a good & old tag, or create an "apple" term and make its
>> parent id Fruits. But then at this point, the system starts behaving
>> exactly like the good & old cats.
>>  if I were to create  2 groupings under the fruits taxonomy for
>> example as "multi-color fruits", and I wanted to add the comma
>> separated list "apple, grape, berry" under the "multi-color fruits"  
>> in
>> one go. I cannot. That's the problem.
>> In this example, the apple, grape stuff is screaming to be added as
>> tag items. But, they end up getting into as children of "multi-color
>> fruits", one at a time where at each time you need the point the
>> parent ID, exactly like the way cats work, not the way tags work.
>> sorry for the long expression but there yo have it.
>> I don't know if I was able to make the point clearer now?
>> The ideal ( and the most natural ) solution would be one that gives  
>> me
>> the power to do this;
>> step 1
>> create fruits taxonomy, make it hierarchical.
>> step 2
>> create a term called "multi-color fruits" under the fruits taxonomy.
>> step 3
>> when you are adding a post and you want to tag it as apple, and also
>> as berry ( just because the post is talking about a recipe which only
>> uses apple and berries), you put a checkbox on the "multi-color
>> fruits" and then add the apple and berry in a comma separated way in
>> one go as apple,berry into another text box in the WP UI ( which is
>> currently not available).
>> the benefits of having something like this is this; it only extends
>> the power of custom taxonomies by giving them the tag grouping power
>> to its any level groupings.
>> so that when my visitors are on that recipe page,
>> they would be seeing something like this
>> Fruits:     multi-color fruits, apple, grape
>> where clicking on "multi-color fruits" will bring the posts that has
>> been assigned to "multi-color fruits" which may bring posts that's
>> been tagged not only by apple and grape but also berries.
>> and where clicking on "apple" will bring only those posts that has
>> been tagged with apple, while excluding the Apple Inc. related posts
>> that have also been tagged as "apple".
> I didn't really understand that, but now I'm hungry for some  
> reason. ;)
> So your basic issue here is that you want hierarchical like
> categories, but the ability to insert terms at-will like tags?
> That doesn't make a whole lot of sense, really, because if you can
> insert them at-will, then there's no hierarchy inherent to them. Even
> if you assume that you can check a box to define a parent for your
> at-will terms, that's more limiting than categories because I can
> assign categories from different parents to the same post.
> In other words, this sounds like either a misapplied design problem or
> a user-interface issue.
> More to the point, how would this theoretical hierarchy that you can
> create on the fly be useful? What value is there to having a hierarchy
> on tags, for example? What would you use it for?
> -Otto
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