WSDL Creation - Editor?

Hi folks...a bit of a newbie. I've developed some web service consumers, and also some web services. I've created WSDLs by hand for the web services I've created. The one I'm working on now is more complicated than I'm used to. This WSDL requires multiple repeating groups of input (I think I have this ok), and multiple groups of output (this is causing a problem). I've never used one, but is there a WSDL editor in SoapUI? If not, can someone recommend one? Is a WSDL editor a good way to go? Thanks in advance!