I’m new to Drupal.  A very experienced programmer, but new to Drupal.  I have worked my way through Beginning Drupal 7 by Todd Tomlinson and Pro Drupal 7 Development by Todd Tomlinson and John K VanDyk.  I’ve watched some videos and online code examples.

Here’s where I am in my project.  The site is set up, contributed modules installed, base theme installed.  I’m beginning to add 13 custom content types.  I want them to be added from modules, 1 for each type since there will be a cafeteria plan.  There’s much more, but I’m stuck here.

In the books there was a example of adding one field to a new content type.  All created in a module.  The exercise worked great.  However, when I try it with one of my modules that has multiple fields, things get screwed up.

 - The fields are added to the database, but they do not appear on the form.
 - During uninstall, the field tables are not removed from the database.
 - I don’t know how to set all of the properties of the data field or widget that I can when I am creating a custom content type using the administrative pages.
 - I want the fields to be contained in fieldsets upon installation.  I can do this if I am creating a form from scratch with code, but how do I do this in a custom content type module.install script?

I’ve screwed around with this so much now that I’m not sure when what stopped working.

Here are some code snippets I’ve tried.

----
function _job_post_installed_fields() {     $t = get_t();     return array(         'job_post_company' => array(            'field_name' => 'job_post_company',            'label' => $t('Company posting the job listing'),            'type' => 'text',        ),        'job_post_color' => array(            'field_name' => 'job_post_color',            'label' => $t('Job post color'),            'type' => 'text',        ),    ); } /** * return a structured array defining the field instances associated with this content type */ function _job_post_installed_instances() {     $t = get_t();     return array(         'job_post_company' => array(            'field_name' => 'job_post_company',            'type' => 'text',            'label' => $t('Company posting the job listing'),            'widget' => array(                'type' => 'text_textfield',            ),            'display' => array(                'example_node_list' => array(                    'label' => $t('Company posting the job listing'),                    'type' => 'text',                ),            ),        ),        'job_post_color' => array(            'field_name' => 'job_post_color',            'type' => 'text',            'label' => $t('Job post color'),            'widget' => array(                'type' => 'text_textfield',            ),            'display' => array(                'example_node_list' => array(                    'label' => $t('Job post color'),                    'type' => 'text',                ),            ),        ),    ); }
----
And
----
function _hawk_topic_installed_fields() {     $t = get_t();     return array(         'hawk_topic_type' => array(            'field_name' => 'hawk_topic_type',            'label' => $t('hawk Topic Type'),            'type' => 'text',            'settings' => array(                'max_length' => 50,            ),        ),        'hawk_topic_color' => array(            'field_name' => 'hawk_topic_color',            'label' => $t('hawk Topic Color'),            'type' => 'text',            'settings' => array(                'max_length' => 20,            ),        ),    ); } /** * return a structured array defining the field instances associated with this content type */ function _hawk_topic_installed_instances() {     $t = get_t();     return array(         'hawk_topic_type' => array(            'field_name' => 'hawk_topic_type',            'type' => 'text',            'label' => $t('Type of topic'),            'widget' => array(                'type' => 'text_textfield',                'settings' => array('size' => 60),            ),            'display' => array(                'example_node_list' => array(                    'label' => $t('Type of topic'),                    'type' => 'text',                ),            ),        ),        'hawk_topic_color' => array(            'field_name' => 'hawk_topic_color',            'type' => 'text',            'label' => $t('Color of topic'),            'widget' => array(                'type' => 'text_textfield',                'settings' => array('size' => 20),            ),            'display' => array(                'example_node_list' => array(                    'label' => $t('Color of topic'),                    'type' => 'text',                ),            ),        ),    ); }
----
The uninstall script seems to be right out of the book (pun intended).
----
function hawk_topic_uninstall() {    // gather all the example content that might have been created while this    // module was enabled    $sql = 'SELECT nid FROM {node} n WHERE n.type = :type';    $result = db_query($sql, array(':type' => 'hawk_topic'));    $nids = array ();    foreach ($result as $row) {        $nids[] = $row->nid;    }        // delete all the nodes at once    node_delete_multiple($nids);        // loop over each of the fields defined by this moduel and delete    // all instance of the field, their data, and the field itself.    foreach (array_keys(_hawk_topic_installed_fields()) as $field) {        field_delete_field($field);    }        // loop over any remaining file instances attached to the hawk_topic    // content type (such as body field) and delete them individually    $instances = field_info_instances('node', 'hawk_topic');    foreach ($instances as $instance_name => $instance) {        field_delete_instance($instance);    }        // delete our content type    node_type_delete('hawk_topic');        // purge all field information    field_purge_batch(1000); }
----

Any ideas?  Probably a beginners mistake?

Thanks in advance,
--
Alex Adams

hawkVision — see the elephant for what it is
A2 Technology Partners, Inc.
831-724-1397
alex@a2technology.com
www.a2technology.com