first import

sites/all/modules/ctools/plugins/arguments/user_name.inc

@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * @file
+ *
+ * Plugin to provide an argument handler for a username
+ */
+
+/**
+ * Plugins are described by creating a $plugin array which will be used
+ * by the system that includes this file.
+ */
+$plugin = array(
+  'title' => t("User: name"),
+  // keyword to use for %substitution
+  'keyword' => 'user',
+  'description' => t('Creates a user context from a user name.'),
+  'context' => 'ctools_argument_user_name_context',
+  'placeholder form' => array(
+    '#type' => 'textfield',
+    '#description' => t('Enter the username of a user for this argument'),
+  ),
+);
+
+/**
+ * Discover if this argument gives us the user we crave.
+ */
+function ctools_argument_user_name_context($arg = NULL, $conf = NULL, $empty = FALSE) {
+  // If unset it wants a generic, unfilled context.
+  if ($empty) {
+    return ctools_context_create_empty('user');
+  }
+
+  // We can accept either a node object or a pure nid.
+  if (is_object($arg)) {
+    return ctools_context_create('user', $arg);
+  }
+
+  $account = user_load_by_name($arg);
+  if (!$account) {
+    return NULL;
+  }
+  return ctools_context_create('user', $account);
+}
+
+
+