Split a large content type into separate tabs (Drupal)

As some you might have experienced, some of the content types in your Drupal site might get too unwieldy because of their sheer size. Displaying a form for the content type of displaying the node is not elegant anymore and the user has to scroll till figures hurt. I had a similar situation recently (attached image with the fields lists all the fields in this 'Event' content type:

The simple and elegant solution is to divide the object into logical tabs both for the form and view. and the final output looked like below for me: The way to achieve this is to: 1. Divide the fields in the object into fieldgroups, which will eventually be the different tabs (these are standard groups). 2. Have a custom module where you will override the form and do at least these changes: 2.1 edit form_alter hook to have something like

where eventcontacts is the name of the fieldgroup. So we are creating a new group and removing the fieldgroup from the original form. 2.2. Override the theme hook to have the following: return array( 'myfunc' => array( 'arguments' => array('form' => NULL), ),2.3 In the myfunc function: have the following (refer 2.1 above): $event_keyContacts = drupal_render($form['group_tabs']['group_eventcontacts']); and append the $event_keyContacts variable to the $output. $output .= <div id="event_keycontacts-'.$nid.'">'.$event_keyContacts.'</div> Thats pretty much all for the form. Do this for all the groups(tabs) you want to create . 3. Now for the node viewing part. I created a separate node-event.tpl.php for handling my event content type. This file is created in the theme directory. $content = preg_replace('~<fieldset.+ class="content-multigroup-group-eventcontacts"?</fieldset>~s','',$content); this removes the fieldgroup content from the $content. Do this for all the groups. Now get the contents from $node->content if (isset($node->content['group_eventcontacts'])){ $group_eventcontacts = $node->content['group_eventcontacts']['#children'];Add the $group_eventcontact variable to the tab $tabs_div .= '<div id="event_contacts-'.$nid.'">'.$group_eventcontacts.'</div>';It is important to understand the difference between $content and $node->content. Former is the formatted representation of the content and later is a data structure containing the contents. $node->content has to be themed to become $content. There be sure to manipulate both variables correctly. That is all for getting the tabs. Happy coding