Club Drupal

<?php

/**

 * @file

 * Provides API documentation for the fivestar module.

 */

/**

 * Implementation of hook_fivestar_widgets().

 *

 * This hook allows other modules to create additional custom widgets for

 * the fivestar module.

 *

 * @return array

 *   An array of key => value pairs suitable for inclusion as the #options in a

 *   select or radios form element. Each key must be the location of a css

 *   file for a fivestar widget. Each value should be the name of the widget.

 *

 * @see fivestar_fivestar_widgets()

 */

function hook_fivestar_widgets() {

  // Letting fivestar know about my Cool and Awesome Stars.

  $widgets = array(

    'path/to/my/awesome/fivestar/css.css' => 'Awesome Stars',

    'path/to/my/cool/fivestar/css.css' => 'Cool Stars',

  );

  return $widgets;

}

/**

 * Implementation of hook_fivestar_access().

 *

 * This hook is called before every vote is cast through Fivestar. It allows

 * modules to allow or deny voting on any type of entity, such as nodes, users, or

 * comments.

 *

 * @param $entity_type

 *   Type entity.

 * @param $id

 *   Identifier within the type.

 * @param $tag

 *   The VotingAPI tag string.

 * @param $uid

 *   The user ID trying to cast the vote.

 *

 * @return boolean or NULL

 *   Returns TRUE if voting is supported on this object.

 *   Returns NULL if voting is not supported on this object by this module.

 *   If needing to absolutely deny all voting on this object, regardless

 *   of permissions defined in other modules, return FALSE. Note if all

 *   modules return NULL, stating no preference, then access will be denied.

 *

 * @see fivestar_validate_target()

 * @see fivestar_fivestar_access()

 */

function hook_fivestar_access($entity_type, $id, $tag, $uid) {

  if ($uid == 1) {

    // We are never going to allow the admin user case a fivestar vote.

    return FALSE;

  }

}

/**

 * Implementation of hook_fivestar_target_info().

 *

 * @param $field

 *   The field structure for the operation.

 * @param $instance

 *   The instance structures for the $field.

 *

 * @return array

 *   An array of key => value pairs. Each key must be unique the identifier for this

 *   target selection. The Value is an array of key => value pairs for a title and a

 *   callback function. The title value is used for displaying in the #options array

 *   of the target selection option. The callback function is used when trying to decided

 *   which target the current vote should be cast against.

 *

 * @see fivestar_get_targets()

 * @see fivestar_fivestar_target_info()

 */

function hook_fivestar_target_info($field, $instance) {

  $entity_type = $instance['entity_type'];

  $bundle = $instance['bundle'];

  $options = array(

    // Declase a new Target Type.

    // This will allow users to vote on a Node and have the vote cast against the

    // node's author instead of the actual node.

    'example_node_author' => array(

      'title' => t('Node Author'),

      'callback' => '_example_target_node_author'

    ),

  );

  return $options;

}

/**

 * Define a custom voting behavior for this target selection type.

 *

 * Invoked from fivestar_get_targets().

 *

 * @param $entity

 *   The entity for the operation.

 * @param $field

 *   The field structure for the operation.

 * @param $instance

 *   The instance structure for $field on $entity's bundle.

 * @param $langcode

 *   The language associated with $items.

 *

 * @return array

 *   An array of key => value pairs. The return array must contain an entity_id key

 *   and a entity_type key. The value os the entity_id and entity_type is what the

 *   fivestar vote is going to be cast against when a user has selected this option

 *   as the target selection.

 *

 * @see _fivestar_target_comment_parent_node()

 * @see _fivestar_target_node_reference()

 * @see fivestar_get_targets()

 * @see hook_fivestar_target_info()

 */

function _example_target_node_author($entity, $field, $instance, $langcode) {

  $target = array(

    'entity_id' => 2,

    'entity_type' => 'user',

  );

  return $target;

}