The approach I am taking is from the Struts 2 FAQ... http://struts.apache.org/2.x/docs/how-do-we-repopulate-controls-when-validation-fails.html
Why should it be avoided? > Date: Thu, 26 Jun 2008 08:32:37 +0200 > From: [EMAIL PROTECTED] > To: user@struts.apache.org > Subject: Re: Struts 2 - Repopulate controls when validation fails > > Hi, > > As I know, use of s:action tag should be avoided, the better option is > to use Preparable interface, you can use prepare<MethodName>() method > also. > http://struts.apache.org/2.x/docs/prepare-interceptor.html > > > Regards > -- > Lukasz > http://www.lenart.org.pl/ > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > From: [EMAIL PROTECTED] > To: user@struts.apache.org > Subject: RE: Struts 2 - Repopulate controls when validation fails > Date: Thu, 26 Jun 2008 02:17:36 +0000 > > > Trying again to give out my pseudo JSP... > > s:form name="myAction" > s:textfield name="foo0"/ > s:action name="languages" executeResult="true"/ > s:textfield name="foo1"/ > s:submit/ > /s:form > > > From: [EMAIL PROTECTED] > > To: user@struts.apache.org > > Subject: Struts 2 - Repopulate controls when validation fails > > Date: Thu, 26 Jun 2008 02:14:28 +0000 > > > > > > I'm following the "How do we repopulate controls when validation fails" FAQ > > located at... > > > > http://struts.apache.org/2.x/docs/how-do-we-repopulate-controls-when-validation-fails.html > > > > Of the two methods it suggests I am trying to use the 'action tag' method. > > Using the simple example from the FAQ works fine, but once I move beyond > > the simple and try to drop my "Languages" control inside the tag of > > another action I have problems. > > > > Here's my pseudo JSP (note MyAction)... > > > > > > > > > > > > > > > > > > > > MyAction implements validateable and I am validating foo0 and foo1 inside > > the validate() method. Here's my validate() code... > > > > public void validate() { > > if (foo0 == null || foo0.length() == 0) > > addFieldError("foo0", "Foo0 is required"); > > else > > foo0 = foo0 + " VALIDATED"; > > > > if (foo1 == null || foo1.length() == 0) > > addFieldError("foo1", "Foo1 is required"); > > else > > foo1 = foo1 + " VALIDATED"; > > } > > > > The important thing to note about my validation code is that when the > > validation succeeds the data entered by the user is updated with the word > > "VALIDATED". This may seem like an odd thing to do, but it's part of the > > requirements of the project I'm working on. > > > > Visiting http://localhost/MyAction/myAction_input.action works great. The > > page draws, foo0 is empty, the languages control has languages to choose > > from, foo1 is empty, the submit button appears. Submitting the form is when > > I get into problems. Here are three submit paths and their results... > > > > 1. foo0 is empty, foo1 is empty. click submit. RESULT - foo0 is empty. foo1 > > is empty. SUCCESS! > > 2. foo0 = 'A', foo1 is empty. click submit. RESULT - page redraws. foo0 = > > 'A VALIDATED'. foo1 is empty. SUCCESS! > > 3. foo0 is empty, foo1 = 'A'. click submit. RESULT - page redraws. foo0 is > > empty. foo1 = 'A'. FAIL! - foo1 should say 'A VALIDATED' > > > > For some reason MyAction.setFoo1() is being invoked *again* after I set > > foo1 to 'A VALIDATED' in my validate() code. Why is that happening? I know > > it has something to do with the Languages control that appears before the > > foo1 text field, because when I remove the Languages control everything > > works as expected. > > > > Anyone have any ideas about what the Languages control is doing that is > > causing my foo1 field to get reset to the original submit value? I'd really > > like to be able to use the 'action tags' approach for repopulating > > controls, but 'dropping wherever', as suggested in the FAQ (see link > > above), does not seem to be as easy as it sounds. > > > > Thanks. > > > > > > > > > > > > > > > > > > > > > > > > _________________________________________________________________ > > The other season of giving begins 6/24/08. Check out the i’m Talkathon. > > http://www.imtalkathon.com?source=TXT_EML_WLH_SeasonOfGiving > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > _________________________________________________________________ > The i’m Talkathon starts 6/24/08. For now, give amongst yourselves. > http://www.imtalkathon.com?source=TXT_EML_WLH_LearnMore_GiveAmongst _________________________________________________________________ Earn cashback on your purchases with Live Search - the search that pays you back! http://search.live.com/cashback/?&pkw=form=MIJAAF/publ=HMTGL/crea=earncashback
