function atom_reference_field_widget_form in Scald: Media Management made easy 7

Implements hook_field_widget_form.

File

modules/fields/atom_reference/atom_reference.module, line 303

Defines a new field type, allowing to directly reference Scald Atoms from a node.

Code

function atom_reference_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
  $all = scald_types();
  $options = array();
  $types = atom_reference_field_referenceable_types($instance);
  foreach ($types as $name => $value) {
    if ($value && isset($all[$name])) {
      $options[$name] = $all[$name]->title;
    }
  }
  $help = format_plural(count($options), 'Allowed resource format: %types', 'Allowed resource formats: %types', array(
    '%types' => implode(', ', $options),
  ));
  $preview_context = $instance['widget']['settings']['context'];
  $element['#description'] .= ' ' . $help;
  $element['#type'] = 'textfield';
  $element['#attributes'] = array(
    'data-types' => implode(',', array_keys($options)),
    'data-dnd-context' => $preview_context,
  );
  $element['#default_value'] = isset($items[$delta]) ? $items[$delta]['sid'] : '';
  $element['#preview_context'] = $preview_context;
  $element['#process'][] = 'atom_reference_field_widget_form_process';
  $element['#attached'] = array(
    'library' => array(
      array(
        'atom_reference',
        'library',
      ),
    ),
  );
  $options = array();
  if (!empty($items[$delta]['options'])) {
    $options = unserialize($items[$delta]['options']);
  }
  $return = array(
    'sid' => $element,
  );
  if (isset($instance['settings']['allow_override']) && $instance['settings']['allow_override']) {
    $rendering_context = 'use_the_default';
    if (!empty($options['context'])) {
      $rendering_context = $options['context'];
    }
    $context_element = array(
      '#type' => 'select',
      '#title' => t('Representation context'),
      '#attributes' => array(
        'class' => array(
          'context-select',
        ),
      ),
      '#options' => array(),
      '#default_value' => $rendering_context,
      '#description' => t('Scald rendering context used in field display.'),
    );
    $context_element['#weight'] = 20;
    $contexts = scald_contexts_public();
    $context_element['#options']['use_the_default'] = t('Use the default');
    foreach ($contexts as $name => $context) {
      if ($name !== 'sdl_library_item') {
        $context_element['#options'][$name] = $context['title'];
      }
    }
    $return['context'] = $context_element;
  }
  return $return;
}