06.17.2014 Technical Innovation

Creating an Infinite Scroll Masonry Block Without Views

The Views Infinite Scroll module provides a way to apply infinite scroll to the output of a view, but if you want to apply infinite scroll to custom block content, you’re out of luck. I found myself in this position while developing a recently-launched site for The Salmon Project, which I’ll use as a loose reference point as I walk you through my solution to applying both Masonry and Infinite Scroll to custom block content.


  1. Creating a block to hold our paged content that can be placed on a page
  2. Generating a paged content array to return as block content
  3. Applying Masonry to the paged content block
  4. Applying Infinite Scroll to the paged content block
  5. Creating an Infinite Scroll trigger

Creating a block to hold paged content

The first step is creating a block to hold our custom paged view that can be placed on a page. To create the block, we’ll use a hook_block_info() followed by a hook_block_view().

function my_module_block_info() {
  $block['masonry_content'] = array(
    'info' => 'Masonry content',
  return $block

function my_module_block_view($delta = '') {
  $block = array();
  $block['subject'] = '';
  $block['content'] = my_module_masonry_content();

Here, we’ve defined which function we’ll be generating our paged view from; namely my_module_masonry_content.

Generating a paged content array

Within our my_module_masonry_content function, we’ll create a paged view of nodes. To do so, we’ll use an EntityFieldQuery with the “pager” property, which causes the results of the query to be returned as a pager.


The argument passed to the pager function determines how many results at a time will be returned; this is analogous to setting the number of items to be shown per page in a view – keep this bit in mind, as we’ll return to it later when implementing the infinite scroll.

Now we’ll add some query conditions and, finally, execute the query. These conditions are, of course, site specific, but I’m including them as an example for thoroughness. For help constructing your EntityFieldQuery query, see the EntityFieldQuery api documentation page.

$query->fieldCondition('field_example', 'value', array('value1', 'value2'), 'IN');
$query->propertyCondition('status', '1');
$results = $query->execute();

In this example, I’ve requested all nodes that have a field_example value of value1 or value2 and are published (i.e. node status property is equal to 1).

Once we have our results set, we will need to create a renderable array to return as the block content.

foreach ($node_result['node'] as $row) {
  $node = entity_load_single('node', $row->nid);
  $output[] = node_view($node, 'category_term_page');

Then we’ll apply pager theming to the output by explicitly adding it to the returned renderable array.

$output['pager'] = array('#theme' => 'pager');

We then return our output array and get to the JavaScript…

Applying Masonry to the paged content block

To apply Masonry to the paged block content, we’ll need some JavaScript so let’s create a new JavaScript file within our module’s js directory (js/my_module.js). This file will depend on the Masonry JavaScript library so we’ll need to load it in addition to our new, custom JavaScript file.

Loading the required libraries

For optimal performance, we only want to load our JavaScript when the masonry_content block is present. To conditionally load the JavaScript we’ll use a hook_block_view_alter().

function my_module_block_view_alter(&$data, $block) {
  // only load libraries if masonry_content block is present
  if ($block->module == 'my_module' && $block->delta == 'masonry_content')
    $module_path = drupal_get_path('moduel', 'my_module');
    $data['content']['#attached']['js'][] = $module_path . '/js/my_module.js';
    $masonry_path = libraries_get_path('masonry');
    $data['content']['#attached']['js'][] = $masonry_path . '/dist/masonry.pkgd.min.js';

Now that we’ve got our required JavaScripts, let’s take a look at how to apply Masonry to our paged content block.

// within my_module.js
var container = $('#my-module-masonry-content);
  // Masonry options
  itemSelector: '#my-module-masonry-content article.node'

In this case, we’re selecting the <div> that has our block id and the node items within that <div>.

Doing this will apply Masonry once to the items present after the initial page load, but since we are going to be loading more items via the pager, we’ll need to re-apply Masonry after those new items are loaded. We haven’t defined the “change” action yet, but will later when implementing the infinite scroll JavaScript.

// necessary to apply masonry to new items pulled in from infinite_scroll.js
container.bind('change', function() {

Now that we’ve got Masonry applied to our block content, let’s move on to getting the infinite scroll behavior in place.

Applying Infinite Scroll to the paged content block

To pull new items into our content block (to which Masonry is being applied) we’ll leverage the Autopager library. This means we’ll need to add Autopager to the list of JavaScript to be loaded conditionally when our block is present.

Loading more required libraries

Again, we’ll use drupal_get_path() and libraries_get_path() to retrieve more required JavaScript from within our hook_block_view_alter().

$autopager_path = libraries_get_path('autopager');
$data['content']['#attached']['js'][] = $autopager_path . '/jquery.autopager-1.0.0.js';

Now that we’ve got Autopager and my_module_infinite_scroll.js loaded, let’s apply the infinite scroll…

The first thing we need to to is define the parameters that will be passed to Autopager.

// Make sure that autopager plugin is loaded
if($.autopager) {
  // define autopager parameters
  var content_selector = '#my-module-masonry-content';
  var items_selector = content_selector + 'article.node';
  var next_selector = '.pager-next a';
  var pager_selector = '.pager'

Notice that $content_selector matches the selector we used to apply Masonry to each piece of block content. This is because Autopager will, behind the scenes, retrieve more content similar to what’s already on the page when we click the “next” link.

The $next_selector and $pager_selector selectors are what target the “next” and “1, 2, 3…” links our pager exposes and, not incidentally, what Autopager uses to retrieve the next set of content. Recall from above our query returns 3 nodes at a time so the “next” link will cause 3 more nodes to be shown.

Though necessary to retrieve more content, we don’t want to see these pager links so let’s hide them.


…and now create our Autopager handler.

var handle = $.autopager({
  autoLoad: false,
  appendTo: content_selector,
  content: items_selector,
  link: next_selector,
  load: function() {

The $(content_selector).trigger('change') bit is a key component of this snippet because the “change” action is what we are using to apply Masonry to new items added to our block (see the container.bind('change'… bit above).

Triggering the infinite scroll function

The Autopager handler we just defined acts as our gas with respect to the infinite scroll action, but we also need a brake. The following snippet, taken from views_infinite_scroll.js uses some fancy math to determine when the user has hit page bottom and only calls handle.autopager('load') when this is the case, effectively acting as the brake.

// Trigger autoload if content height is less than doc height already
var prev_content_height = $(content_selector).height();
do {
  var last = $(items_selector).filter(':last');
  if(last.offset().top + last.height() < $(document).scrollTop() + $(window).height()) {
    last = $(items_selector).filter(':last');
  else {
while ($(content_selector).height() > prev_content_height);

You’ll notice on The Salmon Project site I am not using infinite scroll; instead I opted for a “View more” button to trigger the autopager('load') action and some logic in the function bound to the “change” action to hide said button.

Regardless of the method you choose as a trigger, all the method needs to do is call Autopager’s load function (analogous to hitting the hidden “next” pager link) to load more content.

And there you have it, an infinite scroll masonry block that loads 3 more nodes each time the user hits page bottom without the use of the Views module.

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