<?php

/**

 * @file

 * Hooks provided by Masonry.

 */

/**

 * Alter Masonry's default options.

 *

 * @param $options

 *   An associative array of option names and their default values.

 */

function hook_masonry_default_options_alter(&$options) {

  // Add default value for easing option

  $options['masonry_animation_easing'] = 'swing';

}

/**

 * Alter the form that Masonry options are added to.

 *

 * @param $form

 *   A form array.

 * @param $default_values

 *   An array of default form values.

 */

function hook_masonry_options_form_alter(&$form, $default_values) {

  // Add form item for easing option

  $form['masonry_animation_easing'] = array(

    '#type' => 'select',

    '#title' => t('Animation easing'),

    '#description' => t("The easing function to use for animations."),

    '#options' => array(

      'linear' => t('Linear'),

      'swing' => t('Swing'),

    ),

    '#default_value' => $default_values['masonry_animation_easing'],

    '#states' => array(

      'visible' => array(

        'input.form-checkbox[name$="[masonry_resizable]"]' => array('checked' => TRUE),

        'input.form-checkbox[name$="[masonry_animated]"]' => array('checked' => TRUE),

      ),

    ),

  );

}

/**

 * Alter the Masonry script.

 *

 * @param $masonry

 *   An array of Masonry options to send to the script file.

 * @param $script_file

 *   A path to the javascript file that triggers Masonry.

 * @param $context

 *   An associative array of additional variables.

 *   Contains:

 *   - container: The CSS selector of the container element to apply Masonry to.

 *   - options: An associative array of Masonry options. See masonry_apply().

 */

function hook_masonry_script_alter(&$masonry, &$script_file, $context) {

  $container = $context['container'];

  $options = $context['options'];

  // Send easing option to the script file

  $masonry['masonry'][$container]['animation_easing'] = $options['masonry_animation_easing'];

  // Use a custom javascript file that includes easing in the animationOptions

  $script_file = drupal_get_path('module', '[MODULE_NAME]') . '/custom_masonry.js';

}