function theme_cloud_zoom_formatter_imagefield in Cloud Zoom 6

Theme handler for the cloud_zoom effect

1 string reference to 'theme_cloud_zoom_formatter_imagefield'

cloud_zoom_theme in ./cloud_zoom.module

Implementation of hook_theme().

File

./cloud_zoom.theme.inc, line 12

cloud_zoom.theme.inc - Contains all theme implementations

Code

function theme_cloud_zoom_formatter_imagefield($element) {

  // If there is no item, return blank
  if (empty($element['#item'])) {
    return '';
  }

  // Load the common include for the dependency check
  module_load_include('inc', 'cloud_zoom', 'cloud_zoom.common');

  // Get the JQuery Cycle path. Fail/abort if not present
  if (($jquery_cloud_zoom_path = cloud_zoom_dependency_check()) && !$jquery_cloud_zoom_path['exists']) {
    drupal_set_message(t('The JQuery Cycle library is not preset. Please install it into: %path', array(
      '%path' => $jquery_cloud_zoom_path['path'],
    )), 'error');
    return '';
  }

  // Add the cloud zoom JS and CSS
  drupal_add_js($jquery_cloud_zoom_path['path'] . '/cloud-zoom.1.0.2.min.js');
  drupal_add_css($jquery_cloud_zoom_path['path'] . '/cloud-zoom.css');
  drupal_add_css(drupal_get_path('module', 'cloud_zoom') . '/cloud_zoom.theme.css');

  // Get the view and zoom presets from the formatter ID.
  list(, , $presetname) = explode('__', $element['#formatter'], 3);

  // Get the settings to see if there are any non-defaults to apply
  $preset = cloud_zoom_get_settings($presetname);

  // Theme the preview image using imagecache
  $small = theme('imagecache', $preset['view_preset'], $element['#item']['filepath'], $element['#item']['data']['alt'], $element['#item']['data']['title']);

  // Buld the Rel for the link, if there are any settings
  $rel = '';
  if (isset($preset['settings'])) {
    $default_settings = _cloud_zoom_default_settings();
    $rel = array();
    foreach ($preset['settings'] as $option => $val) {
      $val = $default_settings[$option]['quoted'] ? "'{$val}'" : $val;
      $rel[] = "{$option}: {$val}";
    }
    $rel = implode(', ', $rel);
  }

  // Return the preview image as a link to the larger image with a cloud-zoom CSS class
  $link_options = array(
    'html' => TRUE,
    'attributes' => array(
      'class' => 'cloud-zoom',
      'rel' => $rel,
    ),
  );
  $output = l($small, imagecache_create_path($preset['zoom_preset'], $element['#item']['filepath']), $link_options);

  // In theory, preset names should only be [a-z0-9\-] however we use check_plain just to be safe
  $preset_clean = check_plain($preset['name']);
  return "<div class=\"cloud-zoom-wrapper cloud-zoom-wrapper-preset-{$preset_clean} clear-block\">\n  {$output}\n</div>";
}