function image_hover_effects_field_attach_view_alter in Image Hover Effects 7

Implements hook_field_attach_view_alter().

File

./image_hover_effects.module, line 74

Main file of Image Class module.

Code

function image_hover_effects_field_attach_view_alter(&$output, $context) {
  foreach (element_children($output) as $field_name) {
    $element =& $output[$field_name];
    $view_modes = field_view_mode_settings($element['#entity_type'], $element['#bundle']);

    // Check whether set view mode has custom settings.
    if (isset($view_modes[$context['view_mode']]) && !$view_modes[$context['view_mode']]['custom_settings']) {
      $context['view_mode'] = 'default';
    }
    $instance = field_info_instance($element['#entity_type'], $field_name, $element['#bundle']);

    // Check whether view mode exists in the field instance.
    if (isset($instance['display'][$context['view_mode']])) {
      $display = $instance['display'][$context['view_mode']];
    }
    elseif ($context['view_mode'] == '_custom' && is_array($context['display'])) {
      $display = $context['display'];
    }
    else {
      $display = $instance['display']['default'];
    }
    $settings = $display['settings'];
    $effect = isset($settings['image_hover_effects']) ? 'ihe-overlay--' . $settings['image_hover_effects'] : FALSE;
    $entity_info = entity_get_info($context['entity_type']);
    $token_type = isset($entity_info['token type']) ? $entity_info['token type'] : $context['entity_type'];
    if (isset($settings['image_hover_effects']) && $settings['image_hover_effects']) {
      $hover_content = token_replace($settings['image_hover_effects_data'], array(
        $token_type => $context['entity'],
      ), array(
        'sanitize' => FALSE,
      ));
      $effect_class = drupal_html_class('ihe-overlay--' . $settings['image_hover_effects']);
      $classes = array(
        'ihe-overlay',
        $effect_class,
      );
      drupal_add_css(drupal_get_path('module', 'image_hover_effects') . '/css/image-hover-effects.css', array(
        'group' => CSS_DEFAULT,
        'every_page' => FALSE,
      ));
    }
    else {

      // Move on to the next child if 'class' setting is not available.
      continue;
    }

    // Add 'class' setting to the attributes of all children elements.
    foreach (element_children($element) as $delta) {

      // Can only add classes to wrapping link not to image because image does
      // not support the :after pseudo selector we use for overlays
      $element[$delta]['#path']['options']['attributes'] = array(
        'class' => $classes,
        'data-hover' => $hover_content,
      );
    }
  }
}