function amp_field_formatter_settings_form in Accelerated Mobile Pages (AMP) 7

Implements hook_field_formatter_settings_form().

File

./amp.module, line 968

Code

function amp_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
  $display = $instance['display'][$view_mode];
  $settings = $display['settings'];
  $element = array();
  if (strpos($display['type'], '_trimmed') !== FALSE) {
    $element['trim_length'] = array(
      '#title' => t('Trimmed limit'),
      '#type' => 'textfield',
      '#field_suffix' => t('characters'),
      '#size' => 10,
      '#default_value' => $settings['trim_length'],
      '#element_validate' => array(
        'element_validate_integer_positive',
      ),
      '#description' => t('If the summary is not set, the trimmed %label field will be shorter than this character limit.', array(
        '%label' => $instance['label'],
      )),
      '#required' => TRUE,
    );
  }
  if ($display['type'] == 'amp_image') {
    $image_styles = image_style_options(FALSE, PASS_THROUGH);
    $element['image_style'] = array(
      '#title' => t('Image style'),
      '#type' => 'select',
      '#default_value' => $settings['image_style'],
      '#empty_option' => t('None (original image)'),
      '#options' => $image_styles,
    );
    $link_types = array(
      'content' => t('Content'),
      'file' => t('File'),
    );
    $element['image_link'] = array(
      '#title' => t('Link image to'),
      '#type' => 'select',
      '#default_value' => $settings['image_link'],
      '#empty_option' => t('Nothing'),
      '#options' => $link_types,
    );
    $layout_url = 'https://www.ampproject.org/docs/guides/responsive/control_layout.html#size-and-position-elements';
    $layout_options = _amp_get_layouts();
    $element['amp_layout'] = array(
      '#title' => t('AMP Layout'),
      '#type' => 'select',
      '#default_value' => $settings['amp_layout'],
      '#empty_option' => t('None (no layout)'),
      '#options' => $layout_options,
      '#description' => t('<a href="@url" target="_blank">Layout Information</a>', array(
        '@url' => $layout_url,
      )),
      '#required' => TRUE,
    );
    $element['amp_fixed_height'] = array(
      '#title' => t('Layout Height (used for fixed-height only)'),
      '#type' => 'textfield',
      '#states' => array(
        'visible' => array(
          ':input[name="fields[' . $field['field_name'] . '][settings_edit_form][settings][amp_layout]"]' => array(
            'value' => 'fixed-height',
          ),
        ),
      ),
      '#size' => 10,
      '#default_value' => $settings['amp_fixed_height'],
    );
  }
  if ($display['type'] == 'amp_video') {
    $element['amp_video_height'] = array(
      '#title' => t('Height'),
      '#type' => 'textfield',
      '#size' => 10,
      '#default_value' => $settings['amp_video_height'],
      '#element_validate' => array(
        'element_validate_integer_positive',
      ),
      '#description' => t('The height of the video is used to determine the aspect ratio in a responsive layout.'),
      '#required' => TRUE,
    );
    $element['amp_video_width'] = array(
      '#title' => t('Width'),
      '#type' => 'textfield',
      '#size' => 10,
      '#default_value' => $settings['amp_video_width'],
      '#element_validate' => array(
        'element_validate_integer_positive',
      ),
      '#description' => t('The width of the video is used to determine the aspect ratio in a responsive layout.'),
      '#required' => TRUE,
    );
  }
  return $element;
}