aspphotogallery.module

<?php

/**
 * Implements hook_field_formatter_info().
 */
function aspphotogallery_field_formatter_info() {
  return array(
    'aspphotogallery_default' => array(
      'label' => t('ASP Photo Gallery'),
      'field types' => array('image'),
    ),
  );
}

/**
 * Implements hook_field_formatter_view().
 */
function aspphotogallery_field_formatter_view($obj_type, $object, $field, $instance, $langcode, $items, $display) {
  $element = array();

  // Build variables array for formatter.
  $variables = array(
    '#obj_type' => $obj_type,
    '#object' => $object,
    '#field' => $field,
    '#instance' => $instance,
    '#langcode' => $langcode,
    '#items' => $items,
    '#display' => $display,
  );
  if (function_exists($function = "{$display['module']}_field_formatter_{$display['type']}")) {
    $element[0] = array(
      '#markup' => $function($variables),
    );
  }
  return $element;
}

/**
 * Field Formatter.
 */
function aspphotogallery_field_formatter_aspphotogallery_default($variables) {

  // Load the currently logged in user.
  global $user;

  // Load custom JS only on non-admin pages.
  if (arg(0) != 'admin') {

    // ShareThis JS.
    sharethis_include_js();

    // Photo gallery JS.
    drupal_add_js(file_create_url(drupal_get_path('module', 'aspphotogallery') . '/js/ASPPhotoGallery.js', array('preprocess' => FALSE)));
  }

  // Entity.
  $entity = $variables['#object'];

  // Get list of Exhibit IDs.
  $imageReferenceID = $entity->field_photogallery_image['und'];

  // Columns.
  $columns = $entity->field_photogallery_columns['und'][0]['value'];

  // Display type.
  $displayType = $entity->field_photogallery_display_type['und'][0]['value'];

  // Loop through each Exhibit entity.
  foreach ($imageReferenceID as $key => $val) {

    // Get File ID from array.
    $fileID = $imageReferenceID[$key]['fid'];

    // Load File entity.
    $fileEntity = entity_load_single('file', $fileID);

    // Person.
    // Get People ID from array.
    $peopleID = $fileEntity->field_photographer_reference['und'][0]['target_id'];

    // Load People entity.
    $peopleEntity = entity_load_single('people', $peopleID);

    // Person name.
    $nameArray  = $peopleEntity->field_name['und'][0];

    // First, Middle, Last name.
    (!empty($nameArray['given']))
      ? $firstName = $nameArray['given'] . ' '
      : $firstName = NULL;

    (!empty($nameArray['middle']))
      ? $middleName = $nameArray['middle'] . ' '
      : $middleName = NULL;

    (!empty($nameArray['family']))
      ? $lastName = $nameArray['family']
      : $lastName = NULL;

    // Person name combined.
    $peopleName = $firstName . $middleName . $lastName;

    // Caption.
    $imageCaption = $fileEntity->field_caption[und][0]['value'];

    // Copyright.
    if (!empty($fileEntity->field_credit[und][0]['value'])) {
      $imageCredit = $fileEntity->field_credit[und][0]['value'];
    } elseif (!empty($peopleName)) {
      $imageCredit = $peopleName;
    } else {
      $imageCredit = '';
    }

    // Share URL
    $url = $GLOBALS['base_url'] . '/' . drupal_get_path_alias();
    $urlShare = $url . '?aspPhotoGallery=' . $fileID;

    // Image - Preview.
    $imagePreviewFID = $fileEntity->field_grid_preview['und'][0]['fid'];
    $imagePreviewURI = file_load($imagePreviewFID)->uri;
    $imagePreview = theme('image', array('path' => $imagePreviewURI));

    // Image - Large.
    $imageLargeURI = file_load($fileID)->uri;
    $imageLarge = file_create_url($imageLargeURI);

    // Image - Carousel.
    $imageCarousel = theme('image', array('path' => $imageLargeURI));

    // Display name.
    if (!empty($fileEntity->field_display_name[und][0]['value'])) {
      $displayName = $fileEntity->field_display_name[und][0]['value'];
    }
    else {
      $displayName = '';
    }

    // Image attributes.
    $imageAttributes =
      array(
        'html' => TRUE,
        'attributes' =>
          array(
            'id' => 'aspPhotoGallery-' . $fileID,
            'class' => 'aspPhotoGallery',
            'rel' => 'aspPhotoGallery',
            'data-title' => $displayName,
            'data-photographer' => $imageCredit,
            'data-caption' => $imageCaption,
            'data-share' => '<h2 class="title">' . t('Share') . '</h2><div class="ShareThis"><div class="sharethis-wrapper"><span st_url="' . $urlShare . '" st_title="' . $peopleName . '" class="st_facebook_custom" displaytext="facebook"></span><span st_url="' . $urlShare . '" st_title="' . $peopleName . '" class="st_twitter_custom" displaytext="twitter"></span><span st_url="' . $urlShare . '" st_title="' . $peopleName . '" class="st_googleplus_custom" displaytext="googleplus"></span><span st_url="' . $urlShare . '" st_title="' . $peopleName . '" class="st_email_custom" displaytext="email"></span></div></div>'
          )
        );

    // Display name with markup.
    if (!empty($fileEntity->field_display_name[und][0]['value'])) {
      $displayNameMarkup = '<h3>' . l($displayName, $imageLarge, $imageAttributes) . '</h3>';
    }
    else {
      $displayNameMarkup = '';
    }

    // Display type of "Carousel".
    if ($displayType == '0') {
      $listitem =
        '<li class="item">' .
          l($imageCarousel, $imageLarge, $imageAttributes) . $displayNameMarkup . $imageCredit .
        '</li>';

      // Output.
      $output[] = $listitem;
      $aspPhotoGallery_output =
        '<div class="ThumbnailSlides">
          <div class="ThumbnailSlides-carousel aspect-564x380">
            <div class="ThumbnailSlides-content">
              <ul class="slides">' .
                implode('', $output) .
              '</ul>
            </div>
          </div>
        </div>';
    }

    // Display type of "Grid".
    elseif ($displayType == '1') {

      // Build markup.
      if (!empty($imagePreviewFID)) {
        $listitem =
          '<li class="col col-custom-' . $columns . '">' .
            l($imagePreview, $imageLarge, $imageAttributes) .
          '</li>';
      }
      else if (in_array('administrator', $user->roles)) {
        $listitem =
          '<li class="col col-custom-' . $columns . ' center">' .
            l('Add grid preview image', 'file/'. $fileID . '/edit',
              array(
                'attributes' =>
                  array (
                    'class' => 'btn btn-primary',
                  ),
                'query' =>
                  array (
                    'destination' => $_GET['q'],
                  ),
                )
              ) .
          '</li>';
      } else {
        $listitem = '';
      }

      // Output.
      $output[] = $listitem;
      $aspPhotoGallery_output =
        '<div class="views-bootstrap-grid-plugin-style">
          <ul class="row-custom-' . $columns . '">' .
            implode('', $output) .
          '</ul>
        </div>';
    }
  }

  return $aspPhotoGallery_output;
}