relation_add_views.module in Relation add 7

Relation Add View module file.

File

modules/relation_add_views/relation_add_views.module

<?php

/**
 * @file
 * Relation Add View module file.
 */

/**
 * Get a list of all enabled views with relation_add_view displays.
 *
 * @return array
 *   A list of views as "Name : Title" keyed by 'view_name:display_id'.
 */
function relation_add_views_get_views() {
  $views = array();
  $displays = views_get_applicable_views('relation_add_views display');
  foreach ($displays as $data) {
    list($view, $display_id) = $data;
    $views[$view->name . ':' . $display_id] = $view->name . ' - ' . $view->display[$display_id]->display_title;
  }
  return $views;
}

/**
 * Add extra form element to relation add widget settings.
 *
 * @param array $field
 *   Field settings.
 * @param array $instance
 *   Field instance settings.
 * @param array $form
 *   Form element to relation add widget settings.
 * @codingStandardsIgnoreStart
 */
function relation_add_views_extra_field_widget_settings_form($field, $instance, &$form) {

  // @codingStandardsIgnoreEnd
  $settings = $instance['widget']['settings'];
  $form['views'] = array(
    '#type' => 'select',
    '#title' => t('View'),
    '#default_value' => isset($settings['views']) ? $settings['views'] : '',
    '#options' => relation_add_views_get_views(),
    '#empty_option' => t('- Select -'),
    '#description' => t('Please select the view to browse available entities for this relation.'),
    '#required' => FALSE,
    '#weight' => 10,
  );
}

/**
 * Views backend relation autocomplet callback.
 *
 * @return array|bool
 *   Return autocomplet suggestions.
 */
function relation_add_views_autocomplet($field, $instance, $type, $direction, $target_bundles, $string) {
  $suggestions = array();
  list($view_name, $display) = explode(':', $instance['widget']['settings']['views']);
  $view = views_get_view($view_name);
  if (!$view || !isset($view->display[$display]) || !$view
    ->access($display)) {
    watchdog('relation_add_views', 'The view %view_name is no longer eligible for the %field_name field.', array(
      '%view_name' => $view_name,
      '%field_name' => $instance['label'],
    ), WATCHDOG_WARNING);
    return FALSE;
  }
  $view
    ->set_display($display);

  // Make sure the query is not cached.
  $view->is_cacheable = FALSE;
  $relation_add_views_options = array(
    'match' => $string,
    'match_operator' => 'CONTAINS',
  );
  $view->display_handler
    ->set_option('relation_add_views_options', $relation_add_views_options);
  $result = $view
    ->execute_display($display);
  if ($result) {
    $entity_infos = entity_get_info();
    foreach ($entity_infos as $entity_type => $entity_info) {
      if ($entity_info['base table'] == $view->base_table) {
        $target_type = $entity_type;
      }
    }
    $entities = entity_load($target_type, array_keys($result));
    foreach ($entities as $id => $entity) {
      $label = entity_label($target_type, $entity);
      $title = $result[$id];
      $bundle = '';
      if ($instance['widget']['settings']['relation_endpoint_bundle_display']) {
        list(, , $bundle) = entity_extract_ids($target_type, $entity);
        if (!empty($bundle)) {
          $bundle = ' - (' . $bundle . ')';
        }
      }
      $suggestions[$label . $bundle . ' [' . $target_type . ':' . $id . ']'] = $title;
    }
  }
  return $suggestions;
}

/**
 * Implements hook_views_api().
 */
function relation_add_views_views_api() {
  $path = drupal_get_path('module', 'relation_add_views');
  return array(
    'api' => '3',
    'path' => $path . '/views',
  );
}

Functions

Name	Description
relation_add_views_autocomplet	Views backend relation autocomplet callback.
relation_add_views_extra_field_widget_settings_form	Add extra form element to relation add widget settings.
relation_add_views_get_views	Get a list of all enabled views with relation_add_view displays.
relation_add_views_views_api	Implements hook_views_api().