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<?php
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/**
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* @file
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* Contains implementations of flag info hooks.
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*/
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/**
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* Implements hook_flag_type_info().
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*
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* Defines the flag types this module implements.
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*
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* @return array
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* An "array of arrays", keyed by object type. The 'handler' slot
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* should point to the PHP class implementing this flag.
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*/
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function flag_flag_type_info() {
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// Entity types we specifically cater for.
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$definitions = array(
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'node' => array(
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'title' => t('Nodes'),
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'description' => t("Nodes are a Drupal site's primary content."),
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'handler' => 'flag_node',
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),
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'user' => array(
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'title' => t('Users'),
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'description' => t('Users who have created accounts on your site.'),
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'handler' => 'flag_user',
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),
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);
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if (module_exists('comment')) {
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$definitions['comment'] = array(
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'title' => t('Comments'),
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'description' => t('Comments are responses to node content.'),
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'handler' => 'flag_comment',
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'module' => 'comment',
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);
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}
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if (module_exists('taxonomy')) {
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$definitions['taxonomy_term'] = array(
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'title' => t('Taxonomy Terms'),
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'description' => t('Taxonomy terms are used to categorize content.'),
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'handler' => 'flag_entity',
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'module' => 'taxonomy',
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);
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}
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return $definitions;
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}
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/**
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* Implements hook_flag_type_info_alter().
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*
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* Step in and add flag types for any entities not yet catered for, using the
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* basic flag_entity handler. This allows other modules to provide more
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* specialized handlers for entities in hook_flag_type_info() as normal.
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*/
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function flag_flag_type_info_alter(&$definitions) {
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foreach (entity_get_info() as $entity_type => $entity_info) {
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// Only add flag support for entities that don't yet have them, and which
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// are non-config entities.
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if (!isset($definitions[$entity_type]) && empty($entity_info['configuration'])) {
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// We deliberately exclude taxonomy vocabularies from the list of
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// supported entity types because they aren't fieldable or directly
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// viewable, which makes them impossible to flag.
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if ($entity_type === 'taxonomy_vocabulary') {
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continue;
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}
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$definitions[$entity_type] = array(
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'title' => $entity_info['label'],
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'description' => t('@entity-type entity', array('@entity-type' => $entity_info['label'])),
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'handler' => 'flag_entity',
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);
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}
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}
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}
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/**
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* Implements hook_flag_link_type_info().
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*/
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function flag_flag_link_type_info() {
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return array(
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'toggle' => array(
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'title' => t('JavaScript toggle'),
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'description' => t('An AJAX request will be made and degrades to type "Normal link" if JavaScript is not available.'),
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'uses standard js' => TRUE,
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'uses standard css' => TRUE,
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),
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'normal' => array(
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'title' => t('Normal link'),
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'description' => t('A normal non-JavaScript request will be made and the current page will be reloaded.'),
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'uses standard js' => FALSE,
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'uses standard css' => FALSE,
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),
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'confirm' => array(
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'title' => t('Confirmation form'),
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'description' => t('The user will be taken to a confirmation form on a separate page to confirm the flag.'),
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'options' => array(
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'flag_confirmation' => '',
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'unflag_confirmation' => '',
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),
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'uses standard js' => FALSE,
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'uses standard css' => FALSE,
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'provides form' => TRUE,
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),
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);
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}
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