From 1ea0a5490319e91609dc1b5e04243832595b3b2e Mon Sep 17 00:00:00 2001
From: Andy Miller <rhuk@mac.com>
Date: Fri, 30 Sep 2016 08:58:26 -0600
Subject: [PATCH] Added new `onAdminCreatePageFrontmatter` event -
 https://github.com/getgrav/grav-plugin-admin/pull/781

---
 CHANGELOG.md      | 1 +
 classes/admin.php | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 34ae06c6..f5571f98 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 ## 09/xx/2016
 
 1. [](#new)
+    * Added new `onAdminCreatePageFrontmatter()` event to support plugins such as `auto-date` by allowing frontmatter to be modified by plugins.
     * Added a new independent `cache_enabled` option for admin plugin (default is `false`). Should fix various sync issues.
 1. [](#improved)
     * Handle errors when a resource fails to install
diff --git a/classes/admin.php b/classes/admin.php
index 78782761..b066b142 100644
--- a/classes/admin.php
+++ b/classes/admin.php
@@ -16,6 +16,7 @@ use Grav\Common\Uri;
 use Grav\Common\User\User;
 use Grav\Common\Utils;
 use Grav\Plugin\Admin\Utils as AdminUtils;
+use RocketTheme\Toolbox\Event\Event;
 use RocketTheme\Toolbox\File\File;
 use RocketTheme\Toolbox\File\JsonFile;
 use RocketTheme\Toolbox\ResourceLocator\UniformResourceIterator;
@@ -745,6 +746,7 @@ class Admin
                 // Found the type and header from the session.
                 $data = $this->session->{$page->route()};
 
+                // Set the key header value
                 $header = ['title' => $data['title']];
 
                 if (isset($data['visible'])) {
@@ -771,6 +773,10 @@ class Admin
 
                 $name = $page->modular() ? str_replace('modular/', '', $data['name']) : $data['name'];
                 $page->name($name . '.md');
+
+                // Fire new event to allow plugins to manipulate page frontmatter
+                $this->grav->fireEvent('onAdminCreatePageFrontmatter', new Event(['header' => &$header]));
+
                 $page->header($header);
                 $page->frontmatter(Yaml::dump((array)$page->header(), 10, 2, false));
             } else {