first import

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

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * @file
+ *
+ * Plugin to provide an argument handler for a Node add form
+ */
+
+/**
+ * Plugins are described by creating a $plugin array which will be used
+ * by the system that includes this file.
+ */
+$plugin = array(
+  'title' => t("Node add form: node type"),
+  // keyword to use for %substitution
+  'keyword' => 'node_type',
+  'description' => t('Creates a node add form context from a node type argument.'),
+  'context' => 'ctools_node_add_context',
+);
+
+/**
+ * Discover if this argument gives us the node we crave.
+ */
+function ctools_node_add_context($arg = NULL, $conf = NULL, $empty = FALSE) {
+  // If unset it wants a generic, unfilled context.
+  if (!isset($arg)) {
+    return ctools_context_create_empty('node_add_form');
+  }
+
+  return ctools_context_create('node_add_form', $arg);
+}
+