function imagecache_external_field_formatter_view in Imagecache External 7.2

Implements hook_field_formatter_view().

File

./imagecache_external.module, line 159

Allows the usage of Image Styles on external images.

Code

function imagecache_external_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
  $element = array();

  // Check if the formatter involves a link.
  if ($display['settings']['imagecache_external_link'] == 'content') {
    $uri = entity_uri($entity_type, $entity);
  }
  elseif ($display['settings']['imagecache_external_link'] == 'file') {
    $link_file = TRUE;
  }

  // Check if the field provides a title.
  if ($field['type'] == 'link_field') {
    if ($instance['settings']['title'] != 'none') {
      $field_title = TRUE;
    }
  }
  foreach ($items as $delta => $item) {

    // Set path and alt text.
    $image_alt = '';
    if ($field['type'] == 'link_field') {
      $image_path = imagecache_external_generate_path($item['url']);

      // If present, use the Link field title to provide the alt text.
      if (isset($field_title)) {

        // The link field appends the url as title when the title is empty.
        // We don't want the url in the alt tag, so let's check this.
        if ($item['title'] != $item['url']) {
          $image_alt = isset($field_title) ? $item['title'] : '';
        }
      }
    }
    else {
      $image_path = imagecache_external_generate_path($item['value']);
    }
    $image_info = image_get_info($image_path);
    $image_item = array(
      'uri' => $image_path,
      'width' => $image_info['width'],
      'height' => $image_info['height'],
      'alt' => $image_alt,
      'title' => '',
    );
    if (isset($link_file)) {
      $uri = array(
        'path' => file_create_url($image_path),
        'options' => array(),
      );
    }
    $element[$delta] = array(
      '#theme' => 'image_formatter',
      '#item' => $image_item,
      '#image_style' => $display['settings']['imagecache_external_style'],
      '#path' => isset($uri) ? $uri : '',
    );
  }
  return $element;
}