function galleria_field_formatter_settings_form in Galleria 7

Implements hook_field_formatter_settings_form().

Provides display settings form within the manage display page of an image field with formatter galleria.

File

./galleria.module, line 361

A light-weight, customizable image gallery plugin for Drupal based on jQuery

Code

function galleria_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
  $display = $instance['display'][$view_mode];
  $settings = $display['settings'];
  $form = array(
    '#tree' => TRUE,
  );

  // Show select box for the option set
  $optionsets = array();
  foreach (galleria_optionsets_load_all() as $name => $optionset) {
    $optionsets[$name] = check_plain($optionset->title);
  }
  $form['optionset'] = array(
    '#title' => t('Option set'),
    '#type' => 'select',
    '#options' => $optionsets,
    '#default_value' => $settings['optionset'],
  );
  if ($field['type'] == 'file') {

    // Provide alternate settings to allow selection of caption and alt tags.
    $bundles = field_info_instances('file');

    // Determine if there are additional fields on the image instance.
    if (isset($bundles['image']) && !empty($bundles['image'])) {
      $options = array(
        '' => t('None'),
      );
      foreach ($bundles['image'] as $field_name => $field_details) {
        $options[$field_name] = $field_details['label'];
      }
      $form['alt_field'] = array(
        '#title' => t('Alt field'),
        '#description' => t('Select an optional field to draw alt tags from.'),
        '#type' => 'select',
        '#options' => $options,
        '#default_value' => isset($settings['alt_field']) ? $settings['alt_field'] : '',
      );
      $form['title_field'] = array(
        '#description' => t('Select an optional field to draw images titles from.'),
        '#title' => t('Title field'),
        '#type' => 'select',
        '#options' => $options,
        '#default_value' => isset($settings['title_field']) ? $settings['title_field'] : '',
      );
    }
  }

  // Show select box for image fields if we're formatting a node_reference field
  if ($field['type'] == 'node_reference') {

    // Find all image fields
    $referenceable_types = array_filter($field['settings']['referenceable_types']);
    foreach ($referenceable_types as $referenceable_type) {
      $image_fields = array();
      foreach (field_info_instances('node', $referenceable_type) as $field_name => $field_instance) {
        $field = field_info_field($field_name);
        if ($field['type'] == 'image' || $field['type'] == 'media') {
          $image_fields[$field_name] = $field_instance['label'];
        }
      }
      if (!empty($image_fields)) {
        $form['referenced_fields'][$referenceable_type] = array(
          '#type' => 'checkboxes',
          '#title' => node_type_get_name($referenceable_type),
          '#options' => $image_fields,
          '#default_value' => isset($settings['referenced_fields'][$referenceable_type]) ? $settings['referenced_fields'][$referenceable_type] : array(),
        );
      }
    }
    if (count($form['referenced_fields']) == 0) {
      drupal_set_message(t('The referenced node type(s) does not contain any valid image fields.'), 'error');
    }
    else {
      $form['referenced_fields'] += array(
        '#type' => 'fieldset',
        '#title' => t('Image source fields'),
        '#description' => t('Select the image fields of the referenced content types to use as the source for Galleria.'),
      );
    }
  }
  return $form;
}