#1470 interface for inheritable child generation added

--HG--
branch : gsoc2012-achievements

code/web/app/app_achievements/class/AchObjective_class.php

@@ -1,5 +1,5 @@
 <?php
-	class AchObjective {
+	class AchObjective implements Parentum {
 		private $id;
 		private $perk;
 		private $condition;

code/web/app/app_achievements/class/Parentum_inter.php

@@ -0,0 +1,5 @@
+<?php
+	interface Parentum {
+		function makeChild(&$a);
+	}
+?>

code/web/app/app_achievements/class/RenderNodeIteraor_abstract.php

@@ -1,5 +1,5 @@
 <?php
-	abstract class RenderNodeIterator {
+	abstract class RenderNodeIterator implements Parentum {
 		protected $nodes = array();
 
 		function getSize() {

code/web/app/app_achievements/index.php

@@ -36,6 +36,7 @@ require_once("include/ach_render_common.php");
 require_once("class/RenderNodeIteraor_abstract.php");
 require_once("class/AchList_abstract.php");
 require_once("class/Tieable_inter.php");
+require_once("class/Parentum_inter.php");
 
 require_once("class/AchMenu_class.php");
 require_once("class/AchSummary_class.php");