From 1451659ba245af841dc4a12969bc2c3590bdcf79 Mon Sep 17 00:00:00 2001
From: Uwe Steinmann <steinm@debian.org>
Date: Wed, 31 Jul 2013 17:28:02 +0200
Subject: [PATCH] pass up to 2 parameters when calling hook

---
 inc/inc.ClassViewCommon.php | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/inc/inc.ClassViewCommon.php b/inc/inc.ClassViewCommon.php
index f497edd4f..86942d3ce 100644
--- a/inc/inc.ClassViewCommon.php
+++ b/inc/inc.ClassViewCommon.php
@@ -58,16 +58,36 @@ class SeedDMS_View_Common {
 	function show() {
 	}
 
+	/**
+	 * Call a hook with a given name
+	 *
+	 * Checks if a hook with the given name and for the current view
+	 * exists and executes it. The name of the current view is taken
+	 * from the current class name by lower casing the first char.
+	 * This function will execute all registered hooks in the order
+	 * they were registered.
+	 *
+	 * @params string $hook name of hook
+	 * @return mixed whatever the hook function returns
+	 */
 	function callHook($hook) {
 		$tmp = explode('_', get_class($this));
 		if(isset($GLOBALS['SEEDDMS_HOOKS']['view'][lcfirst($tmp[2])])) {
 			foreach($GLOBALS['SEEDDMS_HOOKS']['view'][lcfirst($tmp[2])] as $hookObj) {
 				if (method_exists($hookObj, $hook)) {
-					return $hookObj->$hook($this);
+					switch(func_num_args()) {
+						case 1:
+							return $hookObj->$hook($this);
+						case 2:
+							return $hookObj->$hook($this, func_get_arg(1));
+						case 3:
+						default:
+							return $hookObj->$hook($this, func_get_arg(1), func_get_arg(2));
+					}
 				}
 			}
 		}
-		return "";
+		return null;
 	}
 }
 ?>