function farm_fields_handler_filter_entity::value_form in farmOS 7

Options form subform for setting options.

This should be overridden by all child classes and it must define $form['value'].

Overrides views_handler_filter_many_to_one::value_form

See also

options_form()

File

modules/farm/farm_fields/views/handlers/farm_fields_handler_filter_entity.inc, line 36

Definition of farm_fields_handler_filter_entity.

Class

farm_fields_handler_filter_entity

Provide an exposed filter that entity reference options in a select list.

Code

function value_form(&$form, &$form_state) {
  $options = array();

  // Get the entity IDs.
  $ids = $this
    ->entity_ids();

  // Load the entities and create a list of select options.
  $entities = entity_load($this->entity_type, $ids);
  foreach ($entities as $entity) {
    list($id, $vid, $bundle) = entity_extract_ids($this->entity_type, $entity);
    $options[$id] = entity_label($this->entity_type, $entity);
  }

  // Set the default value.
  $default_value = (array) $this->value;
  if (!empty($form_state['exposed'])) {
    $identifier = $this->options['expose']['identifier'];
    if (!empty($this->options['expose']['reduce'])) {
      $options = $this
        ->reduce_value_options($options);
      if (!empty($this->options['expose']['multiple']) && empty($this->options['expose']['required'])) {
        $default_value = array();
      }
    }
    if (empty($this->options['expose']['multiple'])) {
      if (empty($this->options['expose']['required']) && (empty($default_value) || !empty($this->options['expose']['reduce']))) {
        $default_value = 'All';
      }
      elseif (empty($default_value)) {
        $keys = array_keys($options);
        $default_value = array_shift($keys);
      }
      elseif ($default_value == array(
        '',
      )) {
        $default_value = 'All';
      }
      else {
        $copy = $default_value;
        $default_value = array_shift($copy);
      }
    }
  }
  $form['value'] = array(
    '#type' => 'select',
    '#title' => t('Select entities'),
    '#multiple' => TRUE,
    '#options' => $options,
    '#size' => min(9, count($options)),
    '#default_value' => $default_value,
  );
  if (!empty($form_state['exposed']) && isset($identifier) && !isset($form_state['input'][$identifier])) {
    $form_state['input'][$identifier] = $default_value;
  }
  if (empty($form_state['exposed'])) {

    // Retain the helper option
    $this->helper
      ->options_form($form, $form_state);

    // Show help text if not exposed to end users.
    $form['value']['#description'] = t('Leave blank for all. Otherwise, the first selection will be the default instead of "Any".');
  }
}