Architecting for Explorers

Organise your Drupal site with Content Hubs

Hi, I'm Lindsay.
aethr on d.o.

What are content hubs?

  • central locations in your site
    • typically at the root level of your menu
  • provide an overview of a section of content
  • guide users to most relevant content
  • provide a rich visual experience

when are they useful?

  • medium to large sized sites (50+ nodes)
  • significant proportion of "first visit" users
  • visually engaging experience is important
  • site lends itself to Explorers and First Timers

When aren't they useful?

  • very small sites (< 10 nodes)
    • top level nav is probably fine!
  • users who know exactly what they want
  • users who know how to get what they need
    • large, un-wieldy menus are actually great for this!
    • PC Case Gear

In all of the above scenarios, content hubs would be an unnecessary intermediate step between users and what they want.

What are Explorers?

User Personas is a UX technique for
identifying different types of users

For a recent science magazine we had:

  • Fan - reads every edition
  • First timer - first visit, reads current edition
  • Explorer - casually browses by topic
  • Researcher - focused on a specific topic

Different personas will use the site in different ways.

What do Explorers Need?

Explorers and First Timers don't
always know what they are looking for.

  • broad interest in the organisation or topic
  • no set agenda
  • curious

First timers
  • may not know what they are looking for
  • might visit a site for one thing and never return

Explorers need guides

Your site's content producers are the "locals"

  • know the site content better than anyone
  • aware of changes because they are making them
  • basic menus and pages are a bit clunky

So we (devs) build the tools they need to enable this role:

Content Hubs

Getting started

  • Organise content into sections
    • Actual breakdown will vary from site to site
  • No more than 5 root-level sections (if possible)
  • Hierarchies are great!
    • There is no hierarchy too deep for an Explorer
    • (that is a total lie, please be sensible!)
  • But seriously hierarchies are great for Explorers
    • At each level only a few choices
    • They will find the right path to what they need

Let's Implement it!

For ACCA we created three "meta" content types:

Hub        Hero        Free tile

We call these "meta" content types because:
  • don't contain unique content of their own
  • simply reference or augment existing content

Content creators use these to draw attention to pages or nodes that contain important content.


  • Title
  • Hero
  • Tiles
    • Entity reference
  • Tiles subheading
  • Menu link
  • Path alias



  • Entity reference
    • Rendered as Full content

Featured Tiles

  • Entity reference
    • Rendered as Masonry Tile
    • (more on this later)
  • Label
    • Replaced with value from Tiles subheading field


Sidebar menu

  • Displays Hub menu item and children
  • Custom block on ACCA
  • Menu block module would be perfect for this


That's it!



Hero image

  • Disable display in node fields (set to hidden)
  • Create a wrapper in hook_node_view()
  $node->content['hero_image_wrapper_start'] = array(
    '#markup' => "<div style='background: url($hero_image);'>",
    '#weight' => -1000,
  $node->content['hero_image_wrapper_end'] = array(
    '#markup' => '</div>',
    '#weight' => 1000,


Highlight colour

  • Custom field formatter
function theme_acca_core_field_formatter_highlight_color_style($vars) {
  $highlight_color = $vars['element']['rgb'];
  $node = $vars['entity'];

  $highlight_css =<<<CSS
#node-{$node->nid} .highlight {
  color: {$highlight_color};

  // Include the CSS inline
  drupal_add_css($highlight_css, array('type' => 'inline'));

  // No need to return as the CSS has already been included


Prevent Direct Access

  if (arg(0) == 'node' && arg(1) == $node->nid && !user_access('administer content')) {

Not Searchable

  • Enable Search configuration
  • Only grant "Hero: Search content of this type" permission to content creator roles
  • Grant search permissions for all normal node types

Free tile

  • Title
  • Body text
  • Tile image
    • Image
  • Call to Action
    • Link

Free tile

  • Disable direct view and searching
  • Tile image displays as link
  • If the Call to action URL is populated, swap out the node link in the Tile image field
  $cta_url = $node->field_cta[$node->language][0]['url'];

// Swap out the link path before the element is rendered $node->content['field_tile_image'][0]['#path']['path'] = $cta_url;

Masonry tile View mode

  • Default view modes are great!
  • Many core and contrib modules use Teaser view mode
    • We don't want to make radical changes!
  • Any node type should be viewable as a tile so...

Masonry tile view mode

function hook_entity_info_alter(&$entity_info) {
  // Add a new view mode for masonry tile listings
  $entity_info['node']['view modes']['tile'] = array(
    'label' => t('Masonry Tile'),
    'custom settings' => TRUE,


Set field display settings for every content type!


Prepare the field

function acca_core_preprocess_field(&$vars) {
  if ($vars['element']['#field_name'] == 'field_tiles') {
    $vars['classes_array'][] = 'tiles-container';
    drupal_add_js(drupal_get_path('module', 'acca_core') .'/js/acca.masonry.js');

Using MAsonry.js

Initialise Masonry

(function ($) {
  Drupal.behaviors.masonry_tiles = {
    attach: function (context, settings) {

      $('.tiles-container > .field-items', context).masonry();

}) (jQuery);

You can also pass lots of configuration options to Masonry. Check the Masonry docs for more information.

Finished product

Positive outcomes

  • All primary content types now display as Tiles
    • Enables innovative designs
  • Content creators have lots of freedom
    • Structure menus logically
    • Still provide easy access to deeply nested pages
    • Update Hubs easily as often as they want
    • Can even link offsite using Free tiles
    • Don't have to worry about writing HTML
  • Engaging visual style is refreshing for users

    That's all folks!

    Lindsay Gaines

    Organise your Drupal site with Content Hubs

    By Lindsay Gaines

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    Organise your Drupal site with Content Hubs

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