danielebarchiesi@0: <?php
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @file
danielebarchiesi@0:  * Plugin to provide an relationship handler for node from user.
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: $plugin = array(
danielebarchiesi@0:   'title' => t('Node author'),
danielebarchiesi@0:   'keyword' => 'user',
danielebarchiesi@0:   'description' => t('Creates the author of a node as a user context.'),
danielebarchiesi@0:   'required context' => new ctools_context_required(t('Node'), 'node'),
danielebarchiesi@0:   'context' => 'ctools_user_from_node_context',
danielebarchiesi@0:   'no ui' => TRUE,
danielebarchiesi@0: );
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Return a new context based on an existing context.
danielebarchiesi@0:  */
danielebarchiesi@0: function ctools_user_from_node_context($context, $conf) {
danielebarchiesi@0:   // If unset it wants a generic, unfilled context, which is just NULL.
danielebarchiesi@0:   if (empty($context->data) || !isset($context->data->uid)) {
danielebarchiesi@0:     return ctools_context_create_empty('user', NULL);
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   if (isset($context->data->uid)) {
danielebarchiesi@0:     // Load the user that is the author of the node.
danielebarchiesi@0:     $uid = $context->data->uid;
danielebarchiesi@0:     $account = user_load($uid);
danielebarchiesi@0: 
danielebarchiesi@0:     // Send it to ctools.
danielebarchiesi@0:     return ctools_context_create('user', $account);
danielebarchiesi@0:   }
danielebarchiesi@0: }