danielebarchiesi@0: <?php
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @file
danielebarchiesi@0:  *
danielebarchiesi@0:  * Plugin to provide an argument handler for all entity ids
danielebarchiesi@0:  */
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Plugins are described by creating a $plugin array which will be used
danielebarchiesi@0:  * by the system that includes this file.
danielebarchiesi@0:  */
danielebarchiesi@0: $plugin = array(
danielebarchiesi@0:   'title' => t("Entity: ID"),
danielebarchiesi@0:   'description' => t('Creates an entity context from an entity ID argument.'),
danielebarchiesi@0:   'context' => 'ctools_argument_entity_id_context',
danielebarchiesi@0:   'get child' => 'ctools_argument_entity_id_get_child',
danielebarchiesi@0:   'get children' => 'ctools_argument_entity_id_get_children',
danielebarchiesi@0: );
danielebarchiesi@0: 
danielebarchiesi@0: function ctools_argument_entity_id_get_child($plugin, $parent, $child) {
danielebarchiesi@0:   $plugins = ctools_argument_entity_id_get_children($plugin, $parent);
danielebarchiesi@0:   return $plugins[$parent . ':' . $child];
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: function ctools_argument_entity_id_get_children($original_plugin, $parent) {
danielebarchiesi@0:   $entities = entity_get_info();
danielebarchiesi@0:   $plugins = array();
danielebarchiesi@0:   foreach ($entities as $entity_type => $entity) {
danielebarchiesi@0:     $plugin = $original_plugin;
danielebarchiesi@0:     $plugin['title'] = t('@entity: ID', array('@entity' => $entity['label']));
danielebarchiesi@0:     $plugin['keyword'] = $entity_type;
danielebarchiesi@0:     $plugin['description'] = t('Creates @entity context from an ID argument.', array('@entity' => $entity_type));
danielebarchiesi@0:     $plugin['name'] = $parent . ':' . $entity_type;
danielebarchiesi@0:     $plugin_id = $parent . ':' . $entity_type;
danielebarchiesi@0:     drupal_alter('ctools_entity_context', $plugin, $entity, $plugin_id);
danielebarchiesi@0:     $plugins[$plugin_id] = $plugin;
danielebarchiesi@0:   }
danielebarchiesi@0:   drupal_alter('ctools_entity_contexts', $plugins);
danielebarchiesi@0:   return $plugins;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Discover if this argument gives us the entity we crave.
danielebarchiesi@0:  */
danielebarchiesi@0: function ctools_argument_entity_id_context($arg = NULL, $conf = NULL, $empty = FALSE) {
danielebarchiesi@0:   $entity_type = explode(':', $conf['name']);
danielebarchiesi@0:   $entity_type = $entity_type[1];
danielebarchiesi@0:   // If unset it wants a generic, unfilled context.
danielebarchiesi@0:   if ($empty) {
danielebarchiesi@0:     return ctools_context_create_empty('entity:' . $entity_type);
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // We can accept either an entity object or a pure id.
danielebarchiesi@0:   if (is_object($arg)) {
danielebarchiesi@0:     return ctools_context_create('entity:' . $entity_type, $arg);
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   if (!is_numeric($arg)) {
danielebarchiesi@0:     return FALSE;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $entity = entity_load($entity_type, array($arg));
danielebarchiesi@0:   if (!$entity) {
danielebarchiesi@0:     return FALSE;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   return ctools_context_create('entity:' . $entity_type, $entity[$arg]);
danielebarchiesi@0: }
danielebarchiesi@0: