Have a look at http://www.ognl.org/2.6.9/Documentation/html/LanguageGuide/varref.html
I tend to use complex ognl for rapid view development (dynamic reload). After that, I move complex expressions into Java-code. > -----Original Message----- > From: Kaspar Fischer [mailto:[EMAIL PROTECTED] > Sent: Saturday, December 29, 2007 2:53 PM > To: Tapestry users > Subject: Temporary objects in OGNL > > Hi! > > My Tapestry markup quite often contains repetitions like this: > > <span jwcid="@If" > condition="ognl:components.table.tableRow.getProperty('title')! > =null&&components.table.tableRow.getProperty('title').length()>0"> > <span jwcid="@Insert" > value="ognl:components.table.tableRow.getProperty('title')"></span> > </span> > <span jwcid="@Else" key="untitled-document"/> > > Is there an easy way to assign the result of a complicated > (and potentially > expensive) OGNL expression to a temporary object and reuse this later? > > Something like: > > <span jwcid="@Remember" > value="ognl:components.table.tableRow.getProperty('title')" > name="that"> > <span jwcid="@If" condition="ognl:that!=null&&that.length()>0"> > ... > > Or is there another trick I've overseen? > > Thanks, > Kaspar > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
