Index: trunk/admin/install/install_lib.php
===================================================================
diff -u -r3407 -r4133
--- trunk/admin/install/install_lib.php	(.../install_lib.php)	(revision 3407)
+++ trunk/admin/install/install_lib.php	(.../install_lib.php)	(revision 4133)
@@ -895,7 +895,7 @@
 	}
 
 	/**
-	 * Perform operations required for each module separate install (from admin)
+	 * [INSTALL] Perform operations required for each module separate install (from admin)
 	 *
 	 * @param string $module_name
 	 * @param bool $has_theme
@@ -924,4 +924,35 @@
 		$app->Redirect('', Array('pass' => 'all', 'admin' => 1, 'Refresh' => 1), '', 'modules/mod_status.php');
 
 	}
+	
+	/**
+	 * [UPGRADE] Initializes [cached] category/item templates with default values for each module
+	 *
+	 * @param string $module
+	 * @param string $category_template
+	 * @param string $item_template
+	 */
+	function updateItemCategoryTemplate($module, $category_template, $item_template)
+	{
+		$table_prefix = GetTablePrefix();
+		$inst_ado =& inst_GetADODBConnection();
+	
+		// get module root category by module name
+		$sql = 'SELECT RootCat
+				FROM '.$table_prefix.'Modules
+				WHERE Name = '.$inst_ado->qstr($module);
+		$module_root = $inst_ado->GetOne($sql);
+		
+		// set category & item template to module root category
+		$sql = 'UPDATE '.$table_prefix.'Category
+				SET CategoryTemplate = '.$inst_ado->qstr($category_template).', ItemTemplate = '.$inst_ado->qstr($item_template).'
+				WHERE CategoryId = '.$module_root;
+		$inst_ado->Execute($sql);
+		
+		// set cached category & item templates to all sub-categories of module root category
+		$sql = 'UPDATE '.$table_prefix.'Category
+				SET CachedCategoryTemplate = '.$inst_ado->qstr($category_template).', CachedItemTemplate = '.$inst_ado->qstr($item_template).'
+				WHERE ParentPath LIKE "|'.$module_root.'|%';
+		$inst_ado->Execute($sql);
+	}
 ?>