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<?php
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/**
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* @file Contains Entity API property information.
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*/
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/**
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* Implements hook_entity_property_info_alter().
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*
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* We add properties thus:
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* - global flags:
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* - entity->flag_FLAGNAME, boolean.
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* - per-user flags:
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* - entity->flag_FLAGNAME_users, list of users.
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* - user->flag_FLAGNAME_flagged, list of user's flagged entities.
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*/
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function flag_entity_property_info_alter(&$info) {
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foreach (flag_get_flags() as $flag) {
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if ($flag->global) {
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// Global flags.
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// Boolean property on entity type.
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// This can go on either the entity as a whole, or on bundles, depending
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// on whether the flag is limited by bundle.
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$property_definition = array(
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'label' => t('Whether the entity is flagged with flag @flag', array(
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'@flag' => $flag->name,
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)),
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'description' => t('Whether the entity is flagged with flag @flag.', array(
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'@flag' => $flag->name,
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)),
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'type' => 'boolean',
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'getter callback' => 'flag_properties_get_flagging_boolean',
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'computed' => TRUE,
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'flag_name' => $flag->name,
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);
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if (count($flag->types)) {
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// Bundle specific property.
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foreach ($flag->types as $type) {
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$info[$flag->entity_type]['bundles'][$type]['properties']['flag_' . $flag->name] = $property_definition;
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}
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}
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else {
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// Generic property, applies for all bundles.
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$info[$flag->entity_type]['properties']['flag_' . $flag->name] = $property_definition;
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}
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}
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else {
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// Per-user flags.
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// User property: list of flagged entities by the user.
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$info['user']['properties']['flag_' . $flag->name . '_flagged'] = array(
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'label' => t('Flagged @entity-type with flag @flag', array(
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'@entity-type' => $flag->entity_type,
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'@flag' => $flag->name,
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)),
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'description' => t('Returns a list of entities a user flagged with flag @flag.', array(
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'@flag' => $flag->name,
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)),
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'type' => 'list<' . $flag->entity_type . '>',
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'getter callback' => 'flag_properties_get_flagged_entities',
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'computed' => TRUE,
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'flag_name' => $flag->name,
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'flag_entity_type' => $flag->entity_type,
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);
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$info['user']['properties']['flag_sid'] = array(
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'label' => t('Flag user session identifier'),
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'description' => t('Returns the sessions id used to distinguish anonymous users from each other.'),
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'type' => 'text',
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'getter callback' => 'flag_properties_get_user_sid',
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'computed' => TRUE,
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);
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// Entity property: list of users who have flagged this entity.
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// This can go on either the entity as a whole, or on bundles, depending
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// on whether the flag is limited by bundle.
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$property_definition = array(
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'label' => t('Users who flagged the entity with flag @flag', array(
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'@flag' => $flag->name,
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)),
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'description' => t('Returns a list of users who flagged an entity with flag @flag.', array(
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'@flag' => $flag->name,
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)),
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'type' => 'list<user>',
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'getter callback' => 'flag_properties_get_flagging_users',
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'computed' => TRUE,
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'flag_name' => $flag->name,
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);
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if (count($flag->types)) {
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// Bundle specific property.
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foreach ($flag->types as $type) {
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$info[$flag->entity_type]['bundles'][$type]['properties']['flag_' . $flag->name . '_user'] = $property_definition;
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}
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}
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else {
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// Generic property, applies for all bundles.
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$info[$flag->entity_type]['properties']['flag_' . $flag->name . '_user'] = $property_definition;
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}
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}
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}
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}
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