Ok, so what I am trying to do here is to "connect" CCK field with taxonomy autocomplete path or vocabulary if you like.

I tried this and it works:


$form['taxonomy']['tags'][$vocabulary->vid] = array(
    '#type' => 'textfield',
    '#default_value' => $typed_string,
    '#maxlength' => 100,
    '#autocomplete_path' => 'taxonomy/autocomplete/'. $vocabulary->vid,
    '#required' => $vocabulary->required,
    '#title' => $vocabulary->name,
    '#description' => t('A comma-separated list of terms describing this content (Example: funny, bungie jumping, "Company, Inc.").')
  );

Example taken from http://drupal.org/node/42552

However, what I need to do is to connect the vocabulary field with CCK field so that any entered term in my CCK field is saved as a taxonomy term so I could manipulate with those terms later. This would be easy but my CCK field is actually an Ubercart Name field and I cannot convert it to the vocabulary field type or change the field ID if I want it to store the product names to Ubercart SQL tables.

So far I manged two things:

1. To make the Name field an autocomplete one so that my products are listed there but this is not a good solution for me since I need those results as taxonomy terms as stated before.

2. 


// hook_form_alter is being used here

$form['title'] = array(
  '#type' => 'textfield',
  '#autocomplete_path' => 'taxonomy/autocomplete/11',
  '#title' => t('Name'), 
  '#description' => t('Enter the product name'),
  // '#default_value' => ,
  '#required' => TRUE,
  '#weight' => -20,
 ); 

   unset($form['taxonomy']['tags']['11']);

So here I have the Ubercart Name field connected to the $form['taxonomy']['tags']['11'] field which is created by taxonomy module. That same field is unset. So some alternative solution would be to make the data entered in the Name field duplicate into this $form['taxonomy']['tags']['11'] field which would then be hidden.

But I find that somewhat silly. So is there any normal solution to my problem?