From 8ec4cd6ea3271be0a90c553c4564a5845d3bddaa Mon Sep 17 00:00:00 2001
From: Sam Georges <sam@daftspunk.com>
Date: Sun, 25 May 2014 00:55:53 +1000
Subject: [PATCH] Add method for looking up other page component properties
 (getOtherPageComponent)

---
 modules/cms/classes/Controller.php | 44 +++++++++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/modules/cms/classes/Controller.php b/modules/cms/classes/Controller.php
index 557739b7a..c20de34b2 100644
--- a/modules/cms/classes/Controller.php
+++ b/modules/cms/classes/Controller.php
@@ -1,6 +1,7 @@
 <?php namespace Cms\Classes;
 
 use URL;
+use Str;
 use App;
 use File;
 use View;
@@ -277,6 +278,48 @@ class Controller extends BaseController
         return $componentObj;
     }
 
+    /**
+     * Creates a basic component object for another page, useful for extracting properties.
+     * @param  string $page  Page name or page file name
+     * @param  string $class Component class name
+     * @return ComponentBase
+     */
+    public function getOtherPageComponent($page, $class)
+    {
+        $class = Str::normalizeClassName($class);
+        $theme = $this->getTheme();
+        $manager = ComponentManager::instance();
+        $componentObj = new $class;
+
+        if (($page = Page::loadCached($theme, $page)) && isset($page->settings['components'])) {
+            foreach ($page->settings['components'] as $component => $properties) {
+                list($name, $alias) = strpos($component, ' ') ? explode(' ', $component) : array($component, $component);
+                if ($manager->resolve($name) == $class) {
+                    $componentObj->setProperties($properties);
+                    $componentObj->alias = $alias;
+                    return $componentObj;
+                }
+            }
+
+            if (!isset($page->settings['layout']))
+                return null;
+
+            $layout = $page->settings['layout'];
+            if (($layout = Layout::loadCached($theme, $layout)) && isset($layout->settings['components'])) {
+                foreach ($layout->settings['components'] as $component => $properties) {
+                    list($name, $alias) = strpos($component, ' ') ? explode(' ', $component) : array($component, $component);
+                    if ($manager->resolve($name) == $class) {
+                        $componentObj->setProperties($properties);
+                        $componentObj->alias = $alias;
+                        return $componentObj;
+                    }
+                }
+            }
+        }
+
+        return null;
+    }
+
     /**
      * Executes the page, layout, component and plugin AJAX handlers.
      * @return mixed Returns the AJAX Response object or null.
@@ -710,7 +753,6 @@ class Controller extends BaseController
         return null;
     }
 
-
     /**
      * Searches the layout and page components by a partial file
      * @return ComponentBase The component object, if found