entity_id.inc
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<?php
/**
* @file
*
* Plugin to provide an argument handler for all entity ids
*/
/**
* Plugins are described by creating a $plugin array which will be used
* by the system that includes this file.
*/
$plugin = array(
'title' => t("Entity: ID"),
'description' => t('Creates an entity context from an entity ID argument.'),
'context' => 'ctools_argument_entity_id_context',
'get child' => 'ctools_argument_entity_id_get_child',
'get children' => 'ctools_argument_entity_id_get_children',
);
function ctools_argument_entity_id_get_child($plugin, $parent, $child) {
$plugins = ctools_argument_entity_id_get_children($plugin, $parent);
return $plugins[$parent . ':' . $child];
}
function ctools_argument_entity_id_get_children($original_plugin, $parent) {
$entities = entity_get_info();
$plugins = array();
foreach ($entities as $entity_type => $entity) {
$plugin = $original_plugin;
$plugin['title'] = t('@entity: ID', array('@entity' => $entity['label']));
$plugin['keyword'] = $entity_type;
$plugin['description'] = t('Creates @entity context from an ID argument.', array('@entity' => $entity_type));
$plugin['name'] = $parent . ':' . $entity_type;
$plugin_id = $parent . ':' . $entity_type;
drupal_alter('ctools_entity_context', $plugin, $entity, $plugin_id);
$plugins[$plugin_id] = $plugin;
}
drupal_alter('ctools_entity_contexts', $plugins);
return $plugins;
}
/**
* Discover if this argument gives us the entity we crave.
*/
function ctools_argument_entity_id_context($arg = NULL, $conf = NULL, $empty = FALSE) {
$entity_type = explode(':', $conf['name']);
$entity_type = $entity_type[1];
// If unset it wants a generic, unfilled context.
if ($empty) {
return ctools_context_create_empty('entity:' . $entity_type);
}
// We can accept either an entity object or a pure id.
if (is_object($arg)) {
return ctools_context_create('entity:' . $entity_type, $arg);
}
if (!is_numeric($arg)) {
return FALSE;
}
$entity = entity_load($entity_type, array($arg));
if (!$entity) {
return FALSE;
}
return ctools_context_create('entity:' . $entity_type, $entity[$arg]);
}