Allow retrieving of the Filter used by a DisplayBlock (useful for extending search forms)

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2603 a333f486-631f-4898-b8df-5754b55c2be0

application/displayblock.class.inc.php

@@ -59,6 +59,11 @@ class DisplayBlock
 		$this->m_aParams = $aParams;
 		$this->m_oSet = $oSet;
 	}
+	
+	public function GetFilter()
+	{
+		return $this->m_oFilter;
+	}
 	/**
 	 * Constructs a DisplayBlock object from a DBObjectSet already in memory
 	 * @param $oSet DBObjectSet